1960 Concepción earthquakes
Date | 21 May 1960 06:02 UTC-4[1] |
---|---|
Magnitude | 8.1 [2] 8.3[3]Mw 7.3 [1] 7.5[4]MS |
Depth | 25.0 km [2] |
Epicenter | Lua error in package.lua at line 80: module 'strict' not found. |
Areas affected | Concepción, Arauco and Ñuble in Chile |
Max. intensity | X[5] Mercalli |
Casualties | 125 dead |
The 1960 Concepción earthquakes were a succession of three destructive earthquakes that happened between 21 and 22 May, 1960. They formed part of the foreshock sequence for the 1960 Valdivia earthquake, the largest recorded earthquake in history.[6]
The first was on May 21 at 06:02 UTC-4. Its epicenter was west of Curanilahue, Bío Bío Region, Chile, and its magnitude was 8.1 [2] or 8.3[3]MW and 7.3[1] or 7.5[4]MS. This earthquake, which lasted 35 seconds, destroyed a third of the buildings in the city of Concepción.[7]
21 May at 6:02 UTC earthquake | ||
---|---|---|
City | MMI | Damage |
Concepción | IX | 125 dead. A third of the buildings were destroyed.[7] |
Talcahuano | IX | 65% of buildings were destroyed. |
Coronel | IX | |
Lota | IX | |
Lebu | X |
Date | 22 May 1960 06:32 UTC-4[1] |
---|---|
Magnitude | 7.3 [1] MS 6.8[8] Mw |
Depth | 41.3 km [8] |
Epicenter | Curanilahue Lua error in package.lua at line 80: module 'strict' not found. |
Areas affected | Provinces of Concepción, Arauco and Ñuble in Chile |
The second happened on May 22 at 06:32 UTC-4. Its epicenter was east of Curanilahue, Bío Bío Region, Chile, and its magnitude was 7.3 MS [1] or 6.8 Mw.[8]
Date | 22 May 1960 14:55 UTC-4[4] |
---|---|
Magnitude | 7.8[4] MS 7.9[9] Mw |
Depth | 35 km [9] |
Epicenter | Lua error in package.lua at line 80: module 'strict' not found.[10] |
Areas affected | Provinces of Concepción, Arauco and Ñuble in Chile |
The third happened the same day at 14:55 UTC-4. Its magnitude was 7.8 MS or 7.9 Mw.[9] This earthquake happened 15 minutes before the 1960 Valdivia earthquake.[4]
See also
References
- ↑ 1.0 1.1 1.2 1.3 1.4 1.5 Servicio Sismológico Universidad de Chile, Sismos importantes o destructivos desde 1570
- ↑ 2.0 2.1 2.2 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 3.0 3.1 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 4.0 4.1 4.2 4.3 4.4 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 5.0 5.1 Jean Pierre Rothe: The seismicity of the earth, 1953–1965. UNESCO, Paris 1969. (Abstract in the United States Geological Survey web site)
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 7.0 7.1 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 8.0 8.1 8.2 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 9.0 9.1 9.2 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.