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1995 Chiapas earthquake

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1995 Chiapas earthquake
1995 Chiapas earthquake is located in Mexico
1995 Chiapas earthquake
UTC time1995-10-21 02:38:57
ISC event79337
USGS-ANSSComCat
Local dateOctober 20, 1995
Local time20:38
Magnitude7.1 Mw
Depth159 km
Epicenter16°50′24″N 93°28′08″W / 16.840°N 93.469°W / 16.840; -93.469
TypeOblique-slip
Areas affectedMexico
Max. intensityVI (Strong) [1]

The 1995 Chiapas earthquake occurred on October 20 at 20:38 local time. The epicenter was located in Ocozocoautla de Espinosa, in the state of Chiapas, Mexico, near Tuxtla Gutiérrez.[2] It had a magnitude of Mw 7.1,[3] or ML 6.5.[4] Building damage was reported. Around 70 people were reported injured. In Tuxtla Gutiérrez, telephone and electricity services were momentarily interrupted.[5] This earthquake could be felt strongly in Mexico City and in many parts of southern Mexico. It could also be felt in Guatemala and El Salvador.[6] The centroid mechanism is of thrust faulting with a small strike-slip component. The rupture of this earthquake propagated from NW to SE over a distance of about 30 km. The duration of the rupture was about 17 s.[7] The earthquake was resulted from the internal deformation of the Cocos Plate, which is subducting beneath the North American Plate.[8]

References

  1. ^ USGS. "M 7.2 - Chiapas, Mexico". United States Geological Survey. Retrieved June 7, 2017.
  2. ^ http://www.giis.org.mx/files/20%20OCTUBRE%201995.pdf[permanent dead link]
  3. ^ "Archived copy". Archived from the original on 2011-06-08. Retrieved 2011-07-13.{{cite web}}: CS1 maint: archived copy as title (link)
  4. ^ http://www.davanzada.com/noticia.php?id=64591[permanent dead link]
  5. ^ "SISMO EN MEXICO DEJA 70 HERIDOS", October 22, 1995. Diario Hoy, Ecuador.
  6. ^ "Resumen de actividad sísmica y volcánica" (PDF) (in Spanish). Red Sismológica Nacional. Archived from the original (PDF) on November 1, 2011. Retrieved September 10, 2017. {{cite web}}: |archive-date= / |archive-url= timestamp mismatch; October 1, 2011 suggested (help)
  7. ^ Rigobert Tibi; Guenter Bock; Charles H. Estabrook (2002). "Seismic body wave constraint on mechanisms of intermediate-depth earthquakes" (PDF). Journal of Geophysical Research. 107 (B3): 5. Bibcode:2002JGRB..107.2047T. doi:10.1029/2001jb000361. Archived from the original (PDF) on January 5, 2007. Retrieved September 10, 2017.
  8. ^ Raúl González Herrera. "Fuentes sismogénicas en el estado de CHIAPAS" (PDF) (in Spanish). Archived from the original (PDF) on December 27, 2016. Retrieved September 10, 2017.