1964 Guerrero earthquake

1964 Guerrero earthquake

Mexico City
UTC  time	1964-07-06 07:22:13
ISC  event	865780
USGS-ANSS	ComCat
Local date	July 6, 1964 (1964-07-06)
Local time	01:22
Magnitude	7.2 Mw [1]
Depth	92 km (57 mi) [1]
Epicenter	18°11′N100°31′W / 18.19°N 100.51°W / 18.19; -100.51 [1]
Areas affected	Mexico
Casualties	40 killed

The 1964 Guerrero earthquake occurred on July 6 at 01:22 local time in Guerrero, Mexico. The magnitude of this earthquake was given as M_s 7.4, ^[2] or M_L 7.2. ^[3]

Tectonic setting

In the nearby region, the Cocos plate is subducting beneath the North American plate, however, this was an intraplate earthquake. ^[4]

Earthquake

The earthquake affected the states of Guerrero and Michoacán. Forty deaths were reported. ^[5] The most affected places included Ciudad Altamirano, Cutzamala, Coyuca de Catalán, Tanganhuato, and Huertamo. ^[3] The earthquake was also felt strongly and caused panic in Mexico City. ^[6]

Damage

Coyuca de Catalán was seriously damaged. The city hall was destroyed. The majority of the houses there were seriously damaged and became uninhabitable. There were great cracks on the ground. ^[7]

See also

• List of earthquakes in 1964
• List of earthquakes in Mexico

References

1. Engdahl, E. R.; Vallaseñor, A. (2002). "Global seismicity: 1900–1999" (PDF). International Handbook of Earthquake & Engineering Seismology. Part A, Volume 81A (First ed.). Academic Press. p. 681. ISBN   978-0124406520.
2. Singh, S. K.; Astiz, L.; Havskov, J. (1981), "Seismic gaps and recurrence periods of large earthquakes along the Mexican subduction zone: A reexamination" , Bulletin of the Seismological Society of America, 7 (3): 827–843, Bibcode:1981BuSSA..71..827S, doi:10.1785/BSSA0710030827
3. "Archived copy" (PDF). app1.semarnat.gob.mx. Archived from the original (PDF) on 22 July 2007. Retrieved 15 January 2022.
4. Lay, Thorne; Astiz, Luciana; Kanamori, Hiroo; Christensen, Douglas H. (1989), "Temporal variation of large intraplate earthquakes in coupled subduction zones" (PDF), Physics of the Earth and Planetary Interiors, 54 (3–4): 258–312, Bibcode:1989PEPI...54..258L, doi:10.1016/0031-9201(89)90247-1, hdl: 2027.42/27966
5. http://www.eclac.cl/mexico/publicaciones/sinsigla/xml/5/8385/doc5.pdf%5B%5D
6. Digital, La Vanguardia. "Edición del martes, 07 julio 1964, página 52 – Hemeroteca – Lavanguardia.es". hemeroteca.lavanguardia.com.
7. Digital, La Vanguardia. "Edición del miércoles, 08 julio 1964, página 18 – Hemeroteca – Lavanguardia.es". hemeroteca.lavanguardia.com.

External links

• The International Seismological Centre has a bibliography and/or authoritative data for this event.