List of earthquakes in 2011

Earthquakes in 2011

Approximate epicenters of the earthquakes in 2011 5.0−5.9 magnitude 6.0−6.9 magnitude 7.0−7.9 magnitude 8.0+ magnitude
Strongest magnitude	Japan 9.0 Mw
Total fatalities	22,053
Number by magnitude
9.0+	1
8.0−8.9	0
7.0−7.9	18
6.0−6.9	204
5.0−5.9	2271
← 2010 2012 →

This is a list of earthquakes in 2011. Only earthquakes of magnitude 6 or above are included, unless they result in damage and/or casualties, or are notable for some other reason. All dates are listed according to UTC time.

Compared to other years

Number of Earthquakes Worldwide for 2001–2011

Magnitude Ranging Between	2001	2002	2003	2004	2005	2006	2007	2008	2009	2010	2011
8.0–9.9	1	0	1	2	1	2	4	0	1	1	1
7.0–7.9	15	13	14	14	10	9	14	12	16	21	18
6.0–6.9	121	127	140	141	140	142	178	168	144	151	204
5.0–5.9	1224	1201	1203	1515	1693	1712	2074	1768	1896	1963	2271
Total	1361	1341	1358	1672	1844	1865	2270	1948	2057	2136	2494

Note that an increase in detected earthquake numbers does not necessarily represent an increase in earthquakes per se. Population increase, habitation spread, and advances in earthquake detection technology all contribute to higher earthquake numbers being recorded over time. USGS's Earthquake Myths has more information.

For exact dates and live earthquakes please visit USGS and EMSC web sites

Overall

By death toll

Rank	Death toll	Magnitude	Location	Date
1	20,896[1]	9.0	Tōhoku, Japan	March 11
2	604	7.1	Van, Turkey	October 23
3	185	6.3	Christchurch, New Zealand	February 22
4	151	6.8	Shan State, Myanmar	March 24
5	111	6.9	India-Nepal border	September 18
6	40	5.7	Van, Turkey	November 9
7	26	5.5	Myanmar-China border region	March 10
8	14	6.2	Fergana Valley	July 19
9	12	6.7	Aceh, Indonesia	September 5
10	10	5.1	Lorca, Spain	May 11

• Note: At least 10 dead

By magnitude

Rank	Magnitude	Death toll	Location	Date
1	9.0[2]	20,896[1]	Tōhoku, Japan	March 11
2	7.9	0	Honshu, Japan	March 11
3	7.7	0	Honshu, Japan	March 11
4	7.6	0	Kermadec Islands, New Zealand	July 6
5	7.4	0	Kermadec Islands, New Zealand	October 21
6	7.3	0	Honshu, Japan	March 9
6	7.3	0	Ndoi Island, Fiji	September 15
8	7.2	3[1][3]	Pakistan	January 18
8	7.2	0	Aleutian Islands, Alaska, United States	June 23
8	7.2	604	Van, Turkey	October 23
11	7.1	0	Araucanía Region, Chile	January 2
11	7.1	4	Honshu, Japan	April 7
11	7.1	0	Port Vila, Vanuatu	August 20
11	7.1	0	Lae, Papua New Guinea	December 14
15	7.0	0	Santiago del Estero, Argentina	January 1
15	7.0	0	Loyalty Islands	January 13
15	7.0	0	Honshu, Japan	July 10
15	7.0	0	Port Vila, Vanuatu	August 20
15	7.0	0	Isangel, Vanuatu	September 3

• Note: At least 7.0 magnitude
• Note: Aftershocks of the 2011 Tōhoku earthquake and tsunami are included as they are still over magnitude 7.

By month

January

January

Strongest magnitude	7.2 Pakistan
Deadliest	3
Number by magnitude
7.0−7.9	4
6.0−6.9	12
5.0−5.9	180

• A magnitude 7.0 earthquake struck Santiago del Estero Province, Argentina, on January 1. At a depth of 583.6 km, shaking was weak and was not strongly felt.^[4]
• A magnitude 7.1 earthquake struck the Araucanía Region, Chile, on January 2.^[5]
• A magnitude 6.3 earthquake struck the Loyalty Islands, New Caledonia, on January 5.^[6]
• A magnitude 6.9 earthquake struck Vanuatu on January 9.^[7]
• A magnitude 6.4 earthquake struck Vanuatu on January 9.^[8]
• A magnitude 6.0 earthquake struck Chile on January 10.^[9]
• A magnitude 6.5 earthquake struck the Bonin Islands on January 12.^[10]
• A magnitude 6.1 earthquake struck the Fiji Islands on January 13.^[11]
• A magnitude 7.0 earthquake struck the Loyalty Islands, New Caledonia, on January 13.^[12]
• A magnitude 6.0 earthquake struck southern Sumatra, Indonesia, on January 17.^[13]
• A magnitude 7.2 earthquake struck southwestern Pakistan 45 km west of Dalbandin on January 18.^[14]
• A magnitude 6.1 earthquake struck Tajikistan on January 24.^[15]
• A magnitude 6.1 earthquake struck Simeulue, Indonesia, on January 26.^[16]
• A magnitude 6.2 earthquake struck southeastern Iran on January 27.^[17]
• A magnitude 6.2 earthquake struck Jan Mayen island region on January 29.^[17]
• A magnitude 6.0 earthquake struck Tonga on January 31.^[18]

February

February

Strongest magnitude	6.8 Chile
Deadliest	185
Number by magnitude
6.0−6.9	17
5.0−5.9	124

• A magnitude 6.0 earthquake struck the south of Samoa on February 3.^[19]
• A magnitude 6.4 earthquake struck the Myanmar-India border region on February 4, killing 1 person.^[20][21]
• A magnitude 6.4 earthquake struck the Solomon Islands on February 7.^[22]
• A magnitude 6.5 earthquake struck the Celebes Sea on February 10.^[23]
• A magnitude 6.6 earthquake struck the Celebes Sea on February 10 following an earlier earthquake.^[19]
• A magnitude 6.8 earthquake struck offshore the Biobío Region, Chile, on February 11.^[24]
• A magnitude 6.3 earthquake struck the Biobío Region, Chile, on February 11.^[25]
• A magnitude 6.0 earthquake struck Arauco Province, Chile, on February 11.^[19]
• A magnitude 6.1 earthquake struck Concepción Province, Chile, on February 12.^[19]
• A magnitude 6.1 earthquake struck Tonga on February 12.^[26]
• A magnitude 6.0 earthquake struck near the coast of Talcahuano, Chile, on February 13.^[19]
• A magnitude 6.6 earthquake struck offshore the Maule Region, Chile, on February 14.^[27]
• A magnitude 6.1 earthquake struck Sulawesi on February 15.^[28]
• A magnitude 6.2 earthquake struck near the east coast of Kamchatka, Russia on February 20.^[19]
• A magnitude 6.6 earthquake struck south of the Fiji islands on February 21.^[29]
• A magnitude 6.3 earthquake struck the Canterbury Region, New Zealand, on February 22, killing 185 people.^[30]
• A magnitude 6.0 earthquake struck Veracruz, Mexico, on February 25.^[31]

March

March

Strongest magnitude	9.0 Japan
Deadliest	21047
Number by magnitude
9.0+	1
8.0−8.9	0
7.0−7.9	3
6.0−6.9	68
5.0−5.9	633

• A magnitude 6.0 earthquake struck Easter Island, Chile, on March 1.^[32]
• A magnitude 6.2 earthquake struck Tarapacá, Chile, on March 6.^[33]
• A magnitude 6.5 earthquake struck the South Sandwich Islands on March 6.^[34]
• A magnitude 6.6 earthquake struck the Solomon Islands on March 7.^[35]
• A magnitude 7.3 earthquake struck near the east coast of Honshu, Japan, on March 9.^[36]
• A magnitude 6.5 earthquake struck Papua New Guinea on March 9.^[37]
• A magnitude 5.4 earthquake struck the Myanmar-China border region on March 10.^[38]
• A magnitude 6.5 earthquake struck the Bali Sea on March 10.^[39]
• A magnitude 9.0 earthquake struck Honshu, Japan, on March 11, triggering a deadly tsunami and causing widespread devastation killing nearly 18,500 people.^[40]
• A magnitude 6.1 earthquake struck Tonga on March 12.^[41]
• A magnitude 6.3 earthquake struck Vanuatu on March 17.^[42]
• A magnitude 6.1 earthquake struck the northern Luzon region of the Philippines on March 20.^[43]
• A magnitude 6.1 earthquake struck the southern Mid-Atlantic ridge on March 22.^[44]
• A magnitude 6.8 earthquake struck the east of Shan State in Myanmar on March 24, claiming lives in both Myanmar and Thailand.^[45]
• Note: A number of large aftershocks were recorded following the magnitude 9.0 earthquake that occurred in Japan on March 11. In order to eliminate cluttering, the March aftershocks have not been included.

April

April

Strongest magnitude	7.1 Japan
Deadliest	12
Number by magnitude
7.0−7.9	1
6.0−6.9	18
5.0−5.9	159

• A magnitude 6.0 earthquake struck eastern Honshu, Japan on April 1.^[46]
• A magnitude 6.1 earthquake struck the Dodecanese Islands, Greece, that occurred on April 1.^[47]
• A magnitude 6.0 earthquake struck the Tarapacá Region, Chile, on April 2.^[48]
• A magnitude 6.4 earthquake struck the Fiji Island Region on April 3.^[49]
• A magnitude 6.7 earthquake struck south of Java, Indonesia, on April 3.^[50]
• A magnitude 6.5 earthquake struck Veracruz, Mexico, on April 7.^[51]
• A magnitude 7.1 earthquake struck near the east coast of Honshu, Japan, on April 7, killing four people.^[52]
• A magnitude 6.2 earthquake struck Kyushu, Japan, on April 9.^[53]
• A magnitude 6.6 earthquake struck eastern Honshu, Japan, on April 11, killing seven people.^[1][54][55]
• A magnitude 6.2 earthquake struck near the east coast of Honshu, Japan, on April 11.^[56]
• A magnitude 6.0 earthquake struck eastern Honshu, Japan, on April 12.^[57]
• A magnitude 6.1 earthquake struck off the east coast of Honshu, Japan, on April 13.^[58]
• A magnitude 6.6 earthquake struck south of the Kermadec Islands, New Zealand, on April 18.^[59]
• A magnitude 6.2 earthquake struck off the east coast of Honshu, Japan, on April 21.^[60]
• A magnitude 6.9 earthquake struck the Solomon Islands on April 23.^[61]
• A magnitude 6.0 earthquake struck near the east coast of Honshu, Japan, on April 23.^[62]
• A magnitude 6.1 earthquake struck Sulawesi, Indonesia, on April 24.^[63]
• A magnitude 6.2 earthquake struck south of Panama on April 30.^[64]

May

May

Strongest magnitude	6.8 New Caledonia
Deadliest	12
Number by magnitude
6.0−6.9	7
5.0−5.9	179

• A magnitude 6.1 earthquake struck off the east coast of Honshu, Japan, on May 5.^[65]
• A magnitude 6.3 earthquake struck West of Macquarie Island, Australia, on May 9.^[66]
• A magnitude 6.8 earthquake struck the Loyalty Islands, New Caledonia, on May 10.^[67]
• A magnitude 5.1 earthquake struck Lorca, Murcia, Spain, on May 11, killing 10 people.
• A magnitude 6.0 earthquake struck Costa Rica on May 13.^[68]
• A magnitude 6.1 earthquake struck off the east coast of Honshu, Japan, on May 13.^[69]
• A magnitude 6.0 earthquake struck the Hindu Kush Region, Afghanistan, on May 14.^[70]
• A magnitude 6.5 earthquake struck the Bouganville Region in Papua New Guinea on May 15.^[71]
• A magnitude 5.8 earthquake struck the Kütahya Province in Turkey on May 19, killing at least 2 people.^[72][73]

June

June

Strongest magnitude	7.2 United States
Deadliest	2
Number by magnitude
7.0−7.9	1
6.0−6.9	13
5.0−5.9	161

• A magnitude 6.3 earthquake struck just offshore of Arauco Province, Biobío Region, Chile, on June 1.^[74]
• A magnitude 6.1 earthquake struck off the east coast of Honshu, Japan, on June 3.^[75]
• A magnitude 6.4 earthquake struck west of Macquarie Island, Australia, on June 5.^[76]
• A magnitude 6.3 earthquake struck Christchurch, New Zealand, on June 13, preceded by a magnitude 5.7 foreshock.^[77][78][79]
• A magnitude 6.3 earthquake struck the Molucca Sea on June 13.^[80]
• A magnitude 6.4 earthquake struck the New Britain Region, Papua New Guinea, on June 16.^[81]
• A magnitude 6.5 earthquake struck Antofagasta, Chile, on June 20.^[82]
• A magnitude 6.1 earthquake struck the Santa Cruz Islands, Solomon Islands, on June 21.^[83]
• A magnitude 6.7 earthquake struck near the east coast of Honshu, Japan, on June 22.^[84]
• A magnitude 7.2 earthquake struck the Fox Islands in the eastern Aleutian Islands, Alaska, on June 24.^[85]
• A magnitude 6.3 earthquake struck the Santa Cruz Islands of the Solomon Islands on June 24.^[86]
• A magnitude 6.4 earthquake struck Papua, Indonesia, on June 26.^[86]
• A magnitude 5.4 earthquake struck Nagano Prefecture, Japan on June 30, killing one person.^[87]

July

July

Strongest magnitude	7.6 New Zealand
Deadliest	14
Number by magnitude
7.0−7.9	2
6.0−6.9	17
5.0−5.9	205

• A magnitude 6.5 earthquake struck the central North Island of New Zealand on July 5.^[88]
• A magnitude 7.6 earthquake struck 163 km east of Kermadec Islands, New Zealand, on July 6.^[89]
• A magnitude 6.0 earthquake struck the Kermadec Islands, New Zealand, on July 7.^[90]
• A magnitude 7.0 earthquake struck 212 km off the east coast of Honshu, Japan, on July 10.^[91]
• A magnitude 6.4 earthquake struck Negros, Philippines, on July 11.^[92]
• A magnitude 6.0 earthquake struck offshore Cardenal Caro Province, Chile, on July 15 (June 16 UTC).^[93][94]
• A magnitude 6.1 earthquake struck Alaska, United States, on July 16.^[95]
• A magnitude 6.1 earthquake struck in the Fergana Valley region of Uzbekistan, Kyrgyzstan, and Tajikistan on July 19, killing at least 14 people.^[96]
• A magnitude 6.0 earthquake struck the Solomon Islands on July 20.^[97]
• A magnitude 6.0 earthquake struck the Fiji Island Region on July 22.^[98]
• A magnitude 6.4 earthquake struck near the east coast of Honshu, Japan, on July 23.^[99]
• A magnitude 6.2 earthquake struck near the east coast of Honshu, Japan, on July 24.^[100]
• A magnitude 6.2 earthquake struck 73 km South from Kavieng, New Ireland, Papua New Guinea, on July 25.^[101]
• A magnitude 6.7 earthquake struck 365 km SSW of Ndoi Island, Fiji, on July 29.^[102]
• A magnitude 6.4 earthquake struck near the east coast of Honshu, Japan on July 30.^[103]
• A magnitude 6.2 earthquake struck Vanuatu on July 31.^[104]
• A magnitude 6.8 earthquake struck near Wewak, Papua New Guinea, on July 31.^[105]

August

August

Strongest magnitude	7.1 Vanuatu
Deadliest	0
Number by magnitude
7.0−7.9	2
6.0−6.9	10
5.0−5.9	146

• A magnitude 6.1 earthquake struck near the Kuril Islands on August 4.^[106]
• A magnitude 6.0 earthquake struck Ascension Island on August 10.^[107]
• A magnitude 6.1 earthquake struck the Ceram Sea on August 16.^[108]
• A magnitude 6.1 earthquake struck near the east coast of Honshu, Japan, on August 17.^[109]
• A magnitude 6.2 earthquake struck the Fiji region on August 19.^[110]
• A magnitude 6.2 earthquake struck near the east coast of Honshu, Japan, on August 19.^[111]
• A magnitude 7.1 earthquake struck Port Vila, Vanuatu; this was followed by a magnitude 6.5 earthquake less than twenty minutes later, which was followed 1 hour 6 minutes later by a magnitude 7.0 earthquake on August 20.^[112][113]
• A magnitude 6.1 earthquake struck southwest of Sumatra, Indonesia, on August 22.^[114]
• / A magnitude 6.8 earthquake struck northern Peru near the Brazilian border on August 24. Local newspapers reported that the earthquake was felt in Lima and in Rio Branco.^[115]
• A magnitude 5.8 earthquake struck Virginia on August 23; it caused minor widespread damage and was felt by more people than any other quake in U.S. history.^[116]
• A magnitude 6.2 earthquake struck southwest of Port Vila, Vanuatu, on August 24.^[117]
• A magnitude 6.8 earthquake struck at Banda sea, Indonesia, on August 30.^[118]

September

September

Strongest magnitude	7.3 Fiji
Deadliest	124
Number by magnitude
7.0−7.9	2
6.0−6.9	16
5.0−5.9	121

• A magnitude 6.0 earthquake struck the Santa Cruz Islands, Solomon Islands, on September 1.^[119]
• A magnitude 6.8 earthquake struck near the Fox Islands, Aleutian Islands, Alaska, on September 2.^[120]
• A magnitude 6.7 earthquake struck near the Santiago Del Estero Province, Argentina, on September 2.^[121]
• A magnitude 6.4 earthquake struck near the Visokoi Island, South Sandwich Islands, on September 3.^[122]
• A magnitude 7.0 earthquake struck near Isangel, Vanuatu, on September 3.^[123]
• A magnitude 6.2 earthquake struck near Apia, Samoa, on September 5.^[124]
• A magnitude 6.6 earthquake struck south-west of Medan, Sumatra, Indonesia on September 5, killing twelve people.^[125][126]
• A magnitude 6.4 earthquake struck near Campbell River, British Columbia, Canada, on September 9.^[127]
• A magnitude 6.0 earthquake struck near Port Vila, Vanuatu, on September 11.^[128]
• A magnitude 6.2 earthquake struck near Wewak, Papua New Guinea, on September 12.^[129]
• A magnitude 6.1 earthquake struck near the Aleutian Islands, Alaska, United States, on September 14.^[130]
• A magnitude 6.0 earthquake struck east of the North Island, New Zealand, on September 15.^[131]
• A magnitude 6.2 earthquake struck near the east coast of Honshu, Japan, on September 15.^[132]
• A magnitude 7.3 earthquake struck the Fiji region on September 15.^[133]
• A magnitude 6.6 earthquake struck near the east coast of Honshu, Japan, on September 16.^[134]
• A magnitude 6.0 earthquake struck off the east coast of Honshu, Japan, on September 16.^[135]
• A magnitude 6.9 earthquake struck Sikkim, India, near the Nepalese border on September 18, killing at least 111 people.^[136][137]
• A magnitude 5.8 earthquake struck southeast of Guatemala City on September 19, triggering landslides and killing at least 3 people.^[138]
• A magnitude 6.5 earthquake struck Tonga on September 22.^[139]

October

October

Strongest magnitude	7.4 New Zealand
Deadliest	608
Number by magnitude
7.0−7.9	2
6.0−6.9	9
5.0−5.9	122

• A magnitude 2.4 earthquake struck Central Honshu, Japan on October 7. One person was killed by falling rocks while mountain climbing.^[140]
• A magnitude 6.1 earthquake struck near Raoul Island, Kermadec Islands on October 7.^[141]
• A magnitude 6.1 earthquake struck 130 kilometres south-southwest of Denpasar, Bali, Indonesia on October 13.^[142]
• A magnitude 6.5 earthquake struck Eastern Papua New Guinea on October 14.^[143]
• A magnitude 6.1 earthquake struck Amurskaya Oblast', Russia on October 14.^[144]
• A magnitude 6.0 earthquake struck the New Britain region, Papua New Guinea on October 18.^[145]
• A magnitude 6.1 earthquake Hokkaido, Japan on October 21.^[146]
• A magnitude 7.4 earthquake struck near Raoul Island, Kermadec Islands on October 21.^[147]
• A magnitude 7.1 earthquake struck near Van, Turkey on October 23.^[148] This was later followed by a magnitude 6.0 aftershock.^[149]
• A magnitude 6.0 earthquake south-east of Vanua Levu, Fiji on October 27.^[150]
• A magnitude 6.9 earthquake struck near the coast of central Peru on October 28, killing one person.^[151]
• A magnitude 3.5 earthquake struck Sikkim, India on October 29, killing 2 people.^[1]

November

November

Strongest magnitude	6.9 Japan
Deadliest	40
Number by magnitude
6.0−6.9	10
5.0−5.9	135

• A magnitude 6.3 earthquake struck the Revillagigedo Islands region, Mexico on November 1.^[152]
• A magnitude 6.2 earthquake struck the Pacific–Antarctic Ridge, South Pacific Ocean on November 2.^[153]
• A magnitude 5.6 earthquake struck near Prague, Oklahoma on November 6. It was the most powerful earthquake ever recorded in Oklahoma.^[154][155]
• A magnitude 6.9 earthquake struck near Kumejima, Okinawa, Japan on November 8.^[156]
• A magnitude 5.6 earthquake struck near Van, Turkey on November 9, killing 40 people.^[157][158]
• A magnitude 6.3 earthquake struck the Molucca Sea, Indonesia on November 14.^[159]
• A magnitude 6.0 earthquake struck near Gisborne, New Zealand on November 18.^[160]
• A magnitude 6.6 earthquake struck the Beni region, Bolivia on November 22.^[161]
• A magnitude 6.1 earthquake struck near Honshu, Japan on November 23.^[162]
• A magnitude 6.2 earthquake struck Hokkaido, Japan on November 24.^[163]
• A magnitude 6.4 earthquake struck the New Ireland region, Papua New Guinea on November 28.^[164]
• A magnitude 6.0 earthquake struck near Luzon, Philippines on November 30.^[165]

December

December

Strongest magnitude	7.1 Papua New Guinea
Deadliest	3
Number by magnitude
7.0−7.9	1
6.0−6.9	7
5.0−5.9	106

• A magnitude 6.1 earthquake struck Atacama, Chile on December 7.^[166]
• A magnitude 6.5 earthquake struck Guerrero, Mexico on December 10, killing 3 people.^[167][168]
• A magnitude 6.2 earthquake struck the South Sandwich Islands region on December 11.^[169]
• A magnitude 6.0 earthquake struck near Gorontalo, North Sulawesi, Indonesia on December 13.^[170]
• A magnitude 7.1 earthquake struck near Lae, eastern New Guinea, Papua New Guinea on December 14.^[171]
• A magnitude 6.3 earthquake struck south of the Kermadec Islands, New Zealand on December 15.^[172]
• A magnitude 6.0 earthquake struck near Hihifo, Tonga on December 26.^[173]
• A magnitude 6.6 earthquake struck near Kyzyl, Russia on December 27.^[174]

References

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3. "Quake fear claims two lives". Geo Pakistan. 2011-01-19. Retrieved 2011-02-22.
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5. Archived January 4, 2011, at the Wayback Machine.
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7. Magnitude 6.9 – VANUATU. Earthquake.usgs.gov. Retrieved on 2011-03-02.
8. Magnitude 6.4 – VANUATU. Earthquake.usgs.gov. Retrieved on 2011-03-02.
9. Magnitude 6.0 – CHILE. Earthquake.usgs.gov. Retrieved on 2011-03-02.
10. https://web.archive.org/20110115060017/http://earthquake.usgs.gov:80/earthquakes/recenteqsww/Quakes/usc00011yn.php. Archived from the original on January 15, 2011. Retrieved July 1, 2011. Missing or empty |title= (help)
11. Magnitude 6.1 – FIJI. Earthquake.usgs.gov. Retrieved on 2011-03-02.
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13. "Earthquake - Magnitude 6.0 - SOUTHERN SUMATRA, INDONESIA - 2011 January 17, 19:20 UTC". Emsc-csem.org. Retrieved 2011-06-24.
14. http://web.archive.org/web/20110121034215/http://earthquake.usgs.gov:80/earthquakes/recenteqsww/Quakes/pt11018001.php. Archived from the original on January 21, 2011. Retrieved January 18, 2011. Missing or empty |title= (help)
15. https://web.archive.org/20110127184404/http://earthquake.usgs.gov:80/earthquakes/recenteqsww/Quakes/usc00018gr.php. Archived from the original on January 27, 2011. Retrieved July 1, 2011. Missing or empty |title= (help)
16. https://web.archive.org/20110129223608/http://earthquake.usgs.gov:80/earthquakes/recenteqsww/Quakes/usc000197d.php. Archived from the original on January 29, 2011. Retrieved July 1, 2011. Missing or empty |title= (help)
17. "National Earthquake Information Center (NEIC)". Neic.usgs.gov. Retrieved 2015-10-01.
18. https://web.archive.org/20110204123506/http://earthquake.usgs.gov:80/earthquakes/recenteqsww/Quakes/usb00016zk.php. Archived from the original on February 4, 2011. Retrieved July 1, 2011. Missing or empty |title= (help)
19. "National Earthquake Information Center (NEIC)". Neic.usgs.gov. Retrieved 2015-10-01.
20. https://web.archive.org/20110207020213/http://earthquake.usgs.gov:80/earthquakes/recenteqsww/Quakes/usb00018qf.php. Archived from the original on February 7, 2011. Retrieved July 1, 2011. Missing or empty |title= (help)
21. "Significant Earthquakes of the World". Earthquake.usgs.gov. Retrieved 2011-10-23.
22. https://web.archive.org/20110210100301/http://earthquake.usgs.gov:80/earthquakes/recenteqsww/Quakes/usb0001a1z.php. Archived from the original on February 10, 2011. Retrieved July 1, 2011. Missing or empty |title= (help)
23. Magnitude 6.5 – CELEBES SEA. Earthquake.usgs.gov (2011-02-10). Retrieved on 2011-03-02.
24. Magnitude 7.0 – OFFSHORE BIO-BIO, CHILE. Earthquake.usgs.gov (2011-02-11). Retrieved on 2011-03-02.
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26. Archived February 14, 2011, at the Wayback Machine.
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28. https://web.archive.org/20110218054422/http://earthquake.usgs.gov:80/earthquakes/recenteqsww/Quakes/usb0001eez.php. Archived from the original on February 18, 2011. Retrieved July 1, 2011. Missing or empty |title= (help)
29. https://web.archive.org/20110224191815/http://earthquake.usgs.gov:80/earthquakes/recenteqsww/Quakes/usb0001i2j.php. Archived from the original on February 24, 2011. Retrieved July 1, 2011. Missing or empty |title= (help)
30. Magnitude 6.3 – SOUTH ISLAND OF NEW ZEALAND. Earthquake.usgs.gov. Retrieved on 2011-03-02.
31. "Earthquake - Magnitude 6.0 - VERACRUZ, MEXICO - 2011 February 25, 13:07 UTC". Csem.eu. 2011-02-25. Retrieved 2011-06-24.
32. Magnitude 6.0 – EASTER ISLAND REGION. Earthquake.usgs.gov. Retrieved on 2011-03-02.
33. Magnitude 6.2 - TARAPACA, CHILE. Earthquake.usgs.gov. Retrieved on 2011-03-06.
34. "Magnitude 6.5 - SOUTH SANDWICH ISLANDS REGION". Earthquake.usgs.gov. Retrieved 2011-06-24.
35. Magnitude 6.6 - SOLOMON ISLANDS. Earthquake.usgs.gov. Retrieved on 2011-03-06.
36. Magnitude 7.2 - NEAR THE EAST COAST OF HONSHU, JAPAN. Earthquake.usgs.gov. Retrieved on 2011-03-09.
37. Magnitude 6.5 - New Bretain Region, Papua New Guinea. Earthquake.usgs.gov. Retrieved on 2011-03-10.
38. "Magnitude 5.4 - MYANMAR-CHINA BORDER REGION". Earthquake.usgs.gov. Retrieved 2011-06-24.
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45. "Magnitude 6.8 - MYANMAR". Earthquake.usgs.gov. Retrieved 2011-06-24.
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50. "Magnitude 6.7 - SOUTH OF JAVA, INDONESIA". Earthquake.usgs.gov. Retrieved 2011-04-03.
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54. "Magnitude 6.6 - EASTERN HONSHU, JAPAN". Earthquake.usgs.gov. Retrieved 2011-06-24.
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61. "Magnitude 6.9 - SOLOMON ISLANDS". Earthquake.usgs.gov. Retrieved 2011-06-24.
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64. "USGS Earthquake Hazards Program: Preliminary Earthquake Report: SOUTH OF PANAMA". Neic.usgs.gov. 2011-04-30. Retrieved 2011-06-24.
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73. "Magnitude 5.8 - WESTERN TURKEY". Earthquake.usgs.gov. Retrieved 2011-06-24.
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77. "Magnitude 6.0 - SOUTH ISLAND OF NEW ZEALAND". Earthquake.usgs.gov. Retrieved 2011-06-24.
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82. "Pager M 6.5 - ANTOFAGASTA, CHILE". Earthquake.usgs.gov. Retrieved 2011-09-23.
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96. "Magnitude 6.1 - KYRGYZSTAN". Earthquake.usgs.gov. Retrieved 2011-10-23.
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