1960 Concepción earthquake

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1960 Concepción earthquake
1960 Concepción earthquake (Chile)
Bullseye1.svg
Coordinates 37 ° 49 '26 "  S , 73 ° 21' 11"  W Coordinates: 37 ° 49 '26 "  S , 73 ° 21' 11"  W
date May 21, 1960
Time 6:02 a.m. local time (10:02 a.m. UT )
intensity X  on the MM scale
Magnitude 8.1 8.3  M W
depth 25.0 km
epicenter Cañete
country Chile
dead 125

The 1960 Concepción earthquake was actually a series of three earthquakes on May 21 and 22, 1960. They were also a precursor to the Valdivia earthquake in 1960 .

The first earthquake on May 21st at 6:02 am UTC-4 . Its epicenter was located in Canete , Bío Bío Region , Chile , and its magnitude reached 8.1 or 8.3 M W and 7.3 or 7.5 M S . This 35-second earthquake destroyed a third of the buildings in the city of Concepción.

Earthquake intensity in different places
Earthquake on May 21st at 6:02 UTC
place Mercalli level Damage
Concepción IX 125 dead, many buildings destroyed
Talcahuano IX 65% of all buildings destroyed
Coronel IX
Lota IX
Lebu X
1960 Concepción earthquake
1960 Concepción earthquake (Chile)
Bullseye1.svg
Coordinates 37 ° 46 ′ 30 ″  S , 73 ° 1 ′ 1 ″  W.
date May 22, 1960
Time 6:30 a.m. local time (10:30 a.m. UT )
Magnitude 7.1  M W
depth 25.0 km
epicenter Nahuelbuta National Park
country Chile

The second earthquake occurred on May 22nd at 6:30 am UTC-4 . Its epicenter was in the Nahuelbuta National Park , Región de la Araucanía , Chile , and its magnitude was 7.1 M w . There was an earthquake with 6.8 M w at 06:32 UTC. 4

1960 Concepción earthquake
1960 Concepción earthquake (Chile)
Bullseye1.svg
Coordinates 38 ° 3 ′ 40 ″  S , 73 ° 2 ′ 20 ″  W.
date May 22, 1960
Time 2:56 p.m. local time (6:56 p.m. UT )
Magnitude 7.8  M W
depth 25.0 km
epicenter Purén
country Chile

The third earthquake occurred that same day at 2:56 p.m. UTC-4 . Its epicenter at Purén and its magnitude was 7.8 M w . 15 minutes later the Valdivia earthquake struck in 1960 .

See also

Individual evidence

  1. ↑ a b c d Servicio Sismológico Universidad de Chile, Sismos importantes o destructivos desde 1570
  2. ^ A b Jean Pierre Rothe: The seismicity of the earth, 1953-1965 . UNESCO , Paris 1969. ( Abstract in the United States Geological Survey web site )
  3. ↑ a b U.S. Geological Survey: M8.1 - Bio-Bio, Chile ( en ) Retrieved November 20, 2016.
  4. ↑ a b Vigny, C. and Socquet, A. and Peyrat, S. and Ruegg, JC and Métois, M. and Madariaga, R. and Morvan, S. and Lancieri, M. and Lacassin, R. and Campos, J . and others: The 2010 Mw 8.8 Maule Megathrust Earthquake of Central Chile, Monitored by GPS . In: Science . 332, No. 6036, 2011, p. 1417. doi : 10.1126 / science.1204132 .
  5. ^ Barrientos SE & Ward SN: The 1960 Chile earthquake: inversion for slip distribution from surface deformation . In: Geophysical Journal International . 103, No. 3, 1990, pp. 589-598. doi : 10.1111 / j.1365-246X.1990.tb05673.x .
  6. ↑ a b SHOA: Generalities . Archived from the original on July 9, 2011. Info: The archive link was automatically inserted and has not yet been checked. Please check the original and archive link according to the instructions and then remove this notice. Retrieved June 10, 2011: "The sequence started with an earthquake magnitude Ms = 7.5 at 10:02 GMT on May 21st, followed by another on May 22nd, magnitude Ms = 7.8 at 18:55 GMT" @1@ 2Template: Webachiv / IABot / www.shoa.cl
  7. ^ A b William E. Rudolph: Catastrophe in Chile . In: Geographical Review . 50, No. 4, 1960, pp. 578-581.
  8. ↑ a b c d e M 7.1 - Bio-Bio, Chile . USGS. Retrieved November 20, 2016.
  9. ↑ M 6.8 - Bio-Bio, Chile . USGS. Retrieved November 20, 2016.
  10. ↑ a b c M 7.8 - Araucania, Chile . USGS. Retrieved November 20, 2016.