List of earthquakes in 1999
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This is a list of earthquakes in 1999. 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 (Coordinated Universal Time) time.
Compared to other years
| Magnitude | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 8.0–9.9 | 0 | 1 | 1 | 0 | 1 | 2 | 1 | 2 | 4 | 1 | 1 |
| 7.0–7.9 | 18 | 15 | 14 | 13 | 14 | 14 | 10 | 9 | 14 | 12 | 16 |
| 6.0–6.9 | 117 | 145 | 122 | 126 | 139 | 141 | 139 | 142 | 178 | 167 | 143 |
| 5.0–5.9 | 1,057 | 1,334 | 1,212 | 1,170 | 1,212 | 1,511 | 1,694 | 1,726 | 2,090 | 1,786 | 1,912 |
| 4.0–4.9 | 7,004 | 7,968 | 7,969 | 8,479 | 8,455 | 10,880 | 13,893 | 12,843 | 12,081 | 12,294 | 6,817 |
| Total | 8,296 | 9,462 | 9,319 | 9,788 | 9,823 | 12,551 | 15,738 | 14,723 | 14,367 | 14,261 | 8,891 |
Overall
By death toll
| Rank | Death toll | Magnitude | Location | MMI | Depth (km) | Date |
|---|---|---|---|---|---|---|
| 1 | 18,373 | 7.6 | X (Extreme) | 17.0 | August 17 | |
| 2 | 2,415 | 7.7 | X (Extreme) | 33.0 | September 20 | |
| 3 | 1,900 | 6.2 | X (Extreme) | 17.0 | January 25 | |
| 4 | 845 | 7.2 | IX (Violent) | 10.0 | November 12 | |
| 5 | 143 | 6.0 | IX (Violent) | 10.0 | September 7 | |
| 6 | 103 | 6.6 | VIII (Severe) | 15.0 | March 28 | |
| 7 | 70 | 6.0 | VI (Strong) | 33.0 | February 11 | |
| 8 | 35 | 7.5 | VIII (Severe) | 60.6 | September 30 | |
| 9 | 22 | 5.6 | VII (Very strong) | 10.0 | December 22 | |
| 10 | 14 | 7.0 | VIII (Severe) | 70.0 | June 15 | |
| 11 | 10 | 7.5 | VII (Very strong) | 33.0 | November 26 | |
- Note: At least 10 dead
By magnitude
| Rank | Magnitude | Death toll | Location | MMI | Depth (km) | Date |
|---|---|---|---|---|---|---|
| 1 | 7.7 | 2,415 | X (Extreme) | 33.0 | September 20 | |
| 2 | 7.6 | 18,373 | X (Extreme) | 17.0 | August 17 | |
| 3 | 7.5 | 35 | VIII (Severe) | 60.6 | September 30 | |
| 3 | 7.5 | 10 | VII (Very strong) | 33.0 | November 26 | |
| 5 | 7.4 | 0 | VII (Very strong) | 150.0 | April 5 | |
| 6 | 7.3 | 0 | VII (Very strong) | 90.1 | February 6 | |
| 6 | 7.3 | 6 | VIII (Severe) | 33.0 | December 11 | |
| 8 | 7.2 | 845 | IX (Violent) | 10.0 | November 12 | |
| 9 | 7.1 | 0 | VIII (Severe) | 33.0 | March 4 | |
| 9 | 7.1 | 0 | III (Weak) | 565.7 | April 8 | |
| 9 | 7.1 | 0 | VII (Very strong) | 138.0 | May 10 | |
| 9 | 7.1 | 0 | VII (Very strong) | 73.7 | May 16 | |
| 9 | 7.1 | 0 | VII (Very strong) | 13.7 | October 16 | |
| 14 | 7.0 | 0 | VII (Very strong) | 114.1 | January 19 | |
| 14 | 7.0 | 14 | VIII (Severe) | 70.0 | June 15 | |
| 14 | 7.0 | 0 | South Indian Ocean | VI (Strong) | 10.0 | November 15 |
| 14 | 7.0 | 0 | VI (Strong) | 33.0 | November 19 | |
| 14 | 7.0 | 0 | VII (Very strong) | 66.0 | December 6 |
- Note: At least 7.0 magnitude
By month
January
| Strongest | 7.0 Mw, |
|---|---|
| Deadliest | 6.2 Mw, 1,185 deaths |
| Total fatalities | 1,185 |
| Number by magnitude | |
| 8.0–8.9 | 0 |
| 7.0–7.9 | 1 |
| 6.0–6.9 | 9 |
| 5.0–5.9 | 86 |
| Date | Country and location | Mw | Depth (km) | MMI | Notes | Casualties | |
|---|---|---|---|---|---|---|---|
| Dead | Injured | ||||||
| 2[1] | 4.5 | 41.4 | III | Two people were injured and some animals died in Ninglang County. | - | 2 | |
| 5[2] | 6.0 | 33.0 | V | - | - | - | |
| 12[3] | 6.0 | 42.6 | V | - | - | - | |
| 16[4] | 6.0 | 21.0 | I | - | - | - | |
| 19[5] | 7.0 | 114.1 | VII | - | - | - | |
| 24[6] | 6.4 | 33.0 | VI | - | - | - | |
| 24[7] | 6.1 | 33.0 | I | - | - | - | |
| 24[8] | Central Indian Ridge | 6.3 | 10.0 | I | - | - | - |
| 25[9] | 6.2 | 17.0 | X | 1,900 | 4,000 | ||
| 28[10] | 6.6 | 67.2 | VI | Minor damage occurred in the epicenter area. | - | - | |
| 28[11] | 6.4 | 101.0 | V | - | - | - | |
February
| Strongest | 7.3 Mw, |
|---|---|
| Deadliest | 6.0 Mw 70 deaths |
| Total fatalities | 70 |
| Number by magnitude | |
| 8.0–8.9 | 0 |
| 7.0–7.9 | 1 |
| 6.0–6.9 | 7 |
| 5.0–5.9 | 85 |
| Date | Country and location | Mw | Depth (km) | MMI | Notes | Casualties | |
|---|---|---|---|---|---|---|---|
| Dead | Injured | ||||||
| 3[12] | 6.3 | 33.0 | I | - | - | - | |
| 6[13] | 6.0 | 33.0 | V | - | - | - | |
| 6[14] | 7.3 | 90.1 | VII | - | - | - | |
| 11[15] | 6.0 | 33.0 | VI | 70 | 500 | ||
| 13[16] | 6.2 | 10.0 | VI | - | - | - | |
| 14[17] | 6.0 | 10.0 | VI | - | - | - | |
| 22[18] | 6.4 | 33.0 | I | - | - | - | |
| 23[19] | 6.2 | 33.0 | V | - | - | - | |
March
| Strongest | 7.1 Mw, |
|---|---|
| Deadliest | 6.6 Mw, 103 deaths |
| Total fatalities | 103 |
| Number by magnitude | |
| 8.0–8.9 | 0 |
| 7.0–7.9 | 1 |
| 6.0–6.9 | 7 |
| 5.0–5.9 | 91 |
| Date | Country and location | Mw | Depth (km) | MMI | Notes | Casualties | |
|---|---|---|---|---|---|---|---|
| Dead | Injured | ||||||
| 4[20] | 6.6 | 33.0 | VII | One person died in Kerman. | 1 | - | |
| 4[21] | 7.1 | 33.0 | VI | - | - | - | |
| 5[22] | 6.0 | 10.0 | VII | - | - | - | |
| 7[23] | 6.1 | 33.0 | - | - | - | - | |
| 8[24] | 6.9 | 56.6 | V | - | - | - | |
| 20[25] | 6.9 | 33.0 | VI | - | - | - | |
| 28[26] | 6.6 | 15.0 | VIII | 103 | - | ||
| 31[27] | 6.3 | 10.0 | - | - | - | - | |
April
| Strongest | 7.4 Mw, |
|---|---|
| Deadliest | 6.8 Mw 1 death |
| Total fatalities | 1 |
| Number by magnitude | |
| 8.0–8.9 | 0 |
| 7.0–7.9 | 2 |
| 6.0–6.9 | 10 |
| 5.0–5.9 | 67 |
| Date | Country and location | Mw | Depth (km) | MMI | Notes | Casualties | |
|---|---|---|---|---|---|---|---|
| Dead | Injured | ||||||
| 1[28] | 6.2 | 33.0 | VI | - | - | - | |
| 2[29] | 6.2 | 10.0 | - | - | - | - | |
| 3[30] | 6.8 | 87.2 | VII | One person died and several buildings were damaged in Camaná | 1 | - | |
| 3[31] | 6.0 | 38.4 | VIII | Five people were injured and 20 houses were damaged in La Unión. | - | 5 | |
| 5[32] | 7.4 | 150.0 | VII | - | - | - | |
| 20[33] | 6.4 | 33.0 | VI | Aftershock of the M7.4 earthquake that occurred hours later. | - | - | |
| 8[34] | 7.1 | 565.7 | III | - | - | - | |
| 9[35] | 6.2 | 621.2 | - | - | - | - | |
| 11[36] | 6.0 | 58.3 | V | Aftershock of the 7.4 earthquake that occurred on April 5. | - | - | |
| 13[37] | 6.8 | 164.2 | - | - | - | - | |
| 20[38] | 6.5 | 95.7 | - | - | - | - | |
| 26[39] | 6.0 | 172.6 | - | - | - | - | |
May
| Strongest | 7.1 Mw, 7.1 Mw, |
|---|---|
| Deadliest | 6.2 Mw 26 death |
| Total fatalities | 26 |
| Number by magnitude | |
| 8.0–8.9 | 0 |
| 7.0–7.9 | 2 |
| 6.0–6.9 | 10 |
| 5.0–5.9 | 88 |
| Date | Country and location | Mw | Depth (km) | MMI | Notes | Casualties | |
|---|---|---|---|---|---|---|---|
| Dead | Injured | ||||||
| 5[40] | 6.1 | 33.0 | - | - | - | - | |
| 6[41] | 6.2 | 33.0 | VI | At least 26 people died and several were injured. | 26 | Several | |
| 7[42] | 6.2 | 10.0 | - | - | - | - | |
| 8[43] | 6.1 | 39.2 | VI | - | - | - | |
| 10[44] | 7.1 | 138,0 | VII | - | - | - | |
| 11[45] | East Pacific Rise offshore | 6.0 | 10.0 | - | - | - | - |
| 12[46] | 6.2 | 102.7 | V | - | - | - | |
| 16[47] | 7.1 | 73.7 | VII | - | - | - | |
| 16[48] | 6.4 | 59.2 | VI | - | - | - | |
| 17[49] | 6.6 | 27.0 | V | Minor damage in the epicenter area. | - | - | |
| 18[50] | 6.1 | 127.3 | IV | - | - | - | |
| 22[51] | 6.1 | 33.0 | - | - | - | - | |
June
The Philippines was struck by a magnitude 6.4 quake that occurred on June 18 at a depth of 33.0 km (20.5 mi).[54]
Mexico was struck by a magnitude 6.3 quake that occurred on June 21 at a depth of 68.7 km (42.7 mi).[55]
Fiji was struck by a magnitude 6.0 quake that occurred on June 26 at a depth of 590.4 km (366.9 mi).[56]
July
Vancouver Island was struck by a magnitude 6.2 quake that occurred on July 2 at a depth of 10.0 km (6.2 mi).[57]
The Bonin Islands were struck by a magnitude 6.1 quake that occurred on July 3 at a depth of 430.6 km (267.6 mi).[58]
The Kuril Islands were struck by a magnitude 6.1 quake that occurred on July 7 at a depth of 33.0 km (20.5 mi).[59]
Papua New Guinea was struck by a magnitude 6.3 quake that occurred on July 9 at a depth of 29.0 km (18.0 mi).[60]
Guatemala was struck by a magnitude 6.7 quake that occurred on July 11 at a depth of 10.0 km (6.2 mi).[61] At least one person was killed and 27 others were injured.[62]
Fiji was struck by a magnitude 6.0 quake that occurred on July 18 at a depth of 590.9 km (367.2 mi).[63]
The Kermadec Islands were struck by a magnitude 6.5 quake that occurred on July 19 at a depth of 39.0 km (24.2 mi).[64]
Papua New Guinea was struck by a magnitude 6.2 quake that occurred on July 26 at a depth of 69.4 km (43.1 mi).[65]
The Kermadec Islands were struck by a magnitude 6.1 quake that occurred on July 28 at a depth of 33.0 km (20.5 mi).[66]
The Kermadec Islands were struck by a magnitude 6.3 quake that occurred on July 28 at a depth of 25.0 km (15.5 mi).[67]
August

The Kermadec Islands were struck by a magnitude 6.5 quake that occurred on August 1 at a depth of 10.0 km (6.2 mi).[68]
Sulawesi was struck by a magnitude 6.2 quake that occurred on August 12 at a depth of 33.0 km (20.5 mi).[69]
Sumatra was struck by a magnitude 6.4 quake that occurred on August 14 at a depth of 101.4 km (63.0 mi).[70]
Turkey was struck by a magnitude 7.6 quake that occurred on August 17 at a depth of 17.0 km (10.6 mi).[71] At least 17,127 people were killed and up to 50,000 others were injured; damage totalled to $6.5 billion.[72]
Costa Rica was struck by a magnitude 6.9 quake that occurred on August 20 at a depth of 20.0 km (12.4 mi).[73]
The South Sandwich Islands were struck by a magnitude 6.2 quake that occurred on August 21 at a depth of 10.0 km (6.2 mi).[74]
Chile was struck by a magnitude 6.4 quake that occurred on August 22 at a depth of 33.0 km (20.5 mi).[75]
Vanuatu was struck by a magnitude 6.6 quake that occurred on August 22 at a depth of 33.0 km (20.5 mi).[76]
Papua New Guinea was struck by a magnitude 6.2 quake that occurred on August 26 at a depth of 33.0 km (20.5 mi).[77]
Ecuador was struck by a magnitude 6.3 quake that occurred on August 28 at a depth of 196.4 km (122.0 mi).[78]- The Carlsberg Ridge was struck by a magnitude 6.0 quake that occurred on August 29 at a depth of 10.0 km (6.2 mi).[79]
September

Greece was struck by a magnitude 6.0 quake that occurred on September 7 at a depth of 10.0 km (6.2 mi).[80] At least 143 people were killed, 2,000 were injured, 50,000 were homeless and 53,000+ buildings were damaged or destroyed.[81]
The Kermadec Islands were struck by a magnitude 6.0 quake that occurred on September 10 at a depth of 33.0 km (20.5 mi).[82]
Bolivia was struck by a magnitude 6.4 quake that occurred on September 15 at a depth of 218.0 km (135.5 mi).[83]
Vanuatu was struck by a magnitude 6.3 quake that occurred on September 17 at a depth of 196.8 km (122.3 mi).[84]
The Kamchatka Peninsula was struck by a magnitude 6.0 quake that occurred on September 18 at a depth of 60.0 km (37.3 mi).[85]
Taiwan was struck by a magnitude 7.7 quake that occurred on September 21 at a depth of 33.0 km (20.5 mi).[86] 2,415 people were killed, 29 were missing, 11,305 were injured and 105,479 buildings were damaged or destroyed.
Taiwan was struck by a magnitude 6.3 quake that occurred on September 21 at a depth of 25.0 km (15.5 mi).[87]
Taiwan was struck by a magnitude 6.1 quake that occurred on September 21 at a depth of 33.0 km (20.5 mi).[88]
Taiwan was struck by a magnitude 6.3 quake that occurred on September 21 at a depth of 33.0 km (20.5 mi).[89]
Taiwan was struck by a magnitude 6.1 quake that occurred on September 21 at a depth of 33.0 km (20.5 mi).[90]
Taiwan was struck by a magnitude 6.2 quake that occurred on September 21 at a depth of 33.0 km (20.5 mi).[91]
Taiwan was struck by a magnitude 6.4 quake that occurred on September 21 at a depth of 33.0 km (20.5 mi).[92]
Taiwan was struck by a magnitude 6.4 quake that occurred on September 22 at a depth of 26.0 km (16.2 mi).[93]
Taiwan was struck by a magnitude 6.5 quake that occurred on September 25 at a depth of 17.0 km (10.6 mi).[94]
Russia was struck by a magnitude 6.1 quake that occurred on September 28 at a depth of 33.0 km (20.5 mi).[95]
Chile was struck by a magnitude 6.0 quake that occurred on September 29 at a depth of 33.0 km (20.5 mi).[96]
Mexico was struck by a magnitude 7.5 quake that occurred on September 30 at a depth of 60.6 km (37.7 mi).[97] 35 people were killed.
October
| Strongest | 7.1 Mw, |
|---|---|
| Number by magnitude | |
| 8.0–8.9 | 0 |
| 7.0–7.9 | 1 |
| 6.0–6.9 | 6 |
| 5.0–5.9 | 84 |
Indonesia was struck by a magnitude 6.1 quake that occurred on October 10 at a depth of 33.0 km (20.5 mi).[98]
Alaska was struck by a magnitude 6.4 quake that occurred on October 13 at a depth of 30.0 km (18.6 mi).[99]
California was struck by a magnitude 7.1 quake that occurred on October 16 at a depth of 13.7 km (8.5 mi).[100]
The South Sandwich Islands were struck by a magnitude 6.3 quake that occurred on October 18 at a depth of 33.0 km (20.5 mi).[101]
Papua New Guinea was struck by a magnitude 6.3 quake that occurred on October 23 at a depth of 83.3 km (51.8 mi).[102]
The Kuril Islands were struck by a magnitude 6.0 quake that occurred on October 24 at a depth of 33.0 km (20.5 mi).[103]
The North Island was struck by a magnitude 6.2 quake that occurred on October 25 at a depth of 158.7 km (98.6 mi).[104]
November

Taiwan was struck by a magnitude 6.3 quake that occurred on November 1 at a depth of 33.0 km (20.5 mi).[105]
The Hindu Kush region was struck by a magnitude 6.5 quake that occurred on November 8 at a depth of 228.4 km (141.9 mi).[106]
The Kuril Islands were struck by a magnitude 6.1 quake that occurred on November 11 at a depth of 33.0 km (20.5 mi).[107]
Sumatra was struck by a magnitude 6.2 quake that occurred on November 11 at a depth of 211.0 km (131.1 mi).[108]
Turkey was struck by a magnitude 7.2 quake that occurred on November 12 at a depth of 10.0 km (6.2 mi).[109] At least 845-894 people were killed, 4,948 were injured and 55,000 were displaced.- The south Indian Ocean was struck by a magnitude 7.0 quake that occurred on November 15 at a depth of 10.0 km (6.2 mi).[110]
- The East Pacific Rise was struck by a magnitude 6.1 quake that occurred on November 16 at a depth of 10.0 km (6.2 mi).[111]
Papua New Guinea was struck by a magnitude 6.9 quake that occurred on November 17 at a depth of 47.5 km (29.5 mi).[112]
Papua New Guinea was struck by a magnitude 6.3 quake that occurred on November 17 at a depth of 45.3 km (28.1 mi).[113]
The Molucca Sea was struck by a magnitude 6.0 quake that occurred on November 18 at a depth of 33.0 km (20.5 mi).[114]
Papua New Guinea was struck by a magnitude 7.0 quake that occurred on November 19 at a depth of 33.0 km (20.5 mi).[115]
Mexico was struck by a magnitude 6.2 quake that occurred on November 21 at a depth of 33.0 km (20.5 mi).[116]
Russia was struck by a magnitude 6.0 quake that occurred on November 26 at a depth of 33.0 km (20.5 mi).[117]
Vanuatu was struck by a magnitude 7.5 quake that occurred on November 26 at a depth of 33.0 km (20.5 mi).[118] At least 5-10 people died and 40-100 were injured.[119]- The south Indian Ocean was struck by a magnitude 6.4 quake that occurred on November 29 at a depth of 10.0 km (6.2 mi).[120]
Chile was struck by a magnitude 6.6 quake that occurred on November 30 at a depth of 128.1 km (79.6 mi).[121]
December
| Strongest | 7.3 Mw, |
|---|---|
| Deadliest | 5.6 Mw, 22-24 deaths |
| Total fatalities | >= 30 |
| Number by magnitude | |
| 8.0–8.9 | 0 |
| 7.0–7.9 | 2 |
| 6.0–6.9 | 18 |
| 5.0–5.9 | 123 |

The Cayman Islands were struck by a magnitude 6.3 quake that occurred on December 1 at a depth of 10.0 km (6.2 mi).[122]
The Kodiak Islands were struck by a magnitude 7.0 quake that occurred on December 6 at a depth of 66.0 km (41.0 mi).[123]
The Kodiak Islands were struck by a magnitude 6.4 quake that occurred on December 7 at a depth of 40.9 km (25.4 mi).[124]
Tonga was struck by a magnitude 6.4 quake that occurred on December 7 at a depth of 137.7 km (85.6 mi).[125]
The Solomon Islands were struck by a magnitude 6.1 quake that occurred on December 8 at a depth of 33.0 km (20.5 mi).[126]
Papua New Guinea was struck by a magnitude 6.4 quake that occurred on December 9 at a depth of 58.3 km (36.2 mi).[127]- The west Chile Rise was struck by a magnitude 6.5 quake that occurred on December 10 at a depth of 10.0 km (6.2 mi).[128]
The Philippines was struck by a magnitude 7.3 quake that occurred on December 11 at a depth of 33.0 km (20.5 mi). 6 people died and 40 were injured. Power outages also occurred in Manila.[129]
Papua New Guinea was struck by a magnitude 6.3 quake that occurred on December 15 at a depth of 33.0 km (20.5 mi).[130]
The Philippines were struck by a magnitude 4.8 quake that occurred on December 15 at a depth of 33.0 km (20.5 mi). One person died in Tacloban and minor damage was caused.[131]- The western Indian Antarctic Ridge was struck by a magnitude 6.0 quake that occurred on December 16 at a depth of 10.0 km (6.2 mi).[132]
- The western Indian-Antarctic Ridge was struck by a magnitude 6.0 quake that occurred on December 17 at a depth of 10.0 km (6.2 mi).[133]
Indonesia was struck by a magnitude 6.2 quake that occurred on December 18 at a depth of 16.2 km (10.1 mi).[134]
Guam was struck by a magnitude 6.0 quake that occurred on December 19 at a depth of 50.9 km (31.6 mi).[135]
The Sunda Strait was struck by a magnitude 6.5 quake that occurred on December 21 at a depth of 56.0 km (34.8 mi).[136] At least five people were killed and more than 200 were injured.
The Santa Cruz Islands were struck by a magnitude 6.0 quake that occurred on December 22 at a depth of 33.0 km (20.5 mi).[137]
Algeria was struck by a magnitude 5.6 quake that occurred on December 22 at a depth of 10.0 km (6.2 mi).[138] At least 22-24 people were killed, 175 were injured and 15,000 were displaced.- Macquarie Island was struck by a magnitude 6.3 quake that occurred on December 24 at a depth of 10.0 km (6.2 mi).[139]
- Macquarie Island was struck by a magnitude 6.1 quake that occurred on December 24 at a depth of 10.0 km (6.2 mi).[140]
Panama was struck by a magnitude 6.2 quake that occurred on December 28 at a depth of 10.0 km (6.2 mi).[141]
The Santa Cruz Islands were struck by a magnitude 6.9 quake that occurred on December 29 at a depth of 33.0 km (20.5 mi).[142]
The Santa Cruz Islands were struck by a magnitude 6.2 quake that occurred on December 29 at a depth of 33.0 km (20.5 mi).[143]