Very strong mag. 6.5 earthquake - Zihuapoloya, 0.8 km east of Bocachahue, Cuautepec, Guerrero, Mexico, on Friday, December 28, 1951 at 09:20 (GMT)

Very strong mag. 6.5 earthquake - Zihuapoloya, 0.8 km east of Bocachahue, Cuautepec, Guerrero, Mexico, on Friday, December 28, 1951 at 09:20 (GMT)

Very strong magnitude 6.5 earthquake at 31 km depth

Date & time: Dec 28, 1951 09:20:27 UTC
Magnitude: 6.5
Depth: 30.7 km
Epicenter latitude / longitude: 16.716°N / 98.883°W (Zihuapoloya, Guerrero, Mexico)
Antipode: 16.716°S / 81.117°E
Nearby towns and cities:
10 km (6 mi) SSE of Coacoyulichan (pop: 1,520) --> See nearby quakes!
16 km (10 mi) NE of Copala (pop: 6,620) --> See nearby quakes!
19 km (12 mi) WSW of San Luis Acatlan (pop: 8,280) --> See nearby quakes!
26 km (16 mi) E of Florencio Villarreal (Cruz Grande) (pop: 11,800) --> See nearby quakes!
36 km (22 mi) SE of Ayutla de los Libres (pop: 15,400) --> See nearby quakes!
51 km (31 mi) W of Ometepec (pop: 24,100) --> See nearby quakes!
98 km (61 mi) SSW of Tlapa de Comonfort (Tlapa) (pop: 47,000) --> See nearby quakes!
110 km (69 mi) E of Acapulco de Juarez (pop: 673,500) --> See nearby quakes!
114 km (71 mi) SE of Chilpancingo (pop: 187,300) --> See nearby quakes!
303 km (188 mi) S of Mexico (Ciudad de México) (pop: 12,294,200) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 3.5 x 1014 joules (98.6 gigawatt hours, equivalent to 84802 tons of TNT or 5.3 atomic bombs!) More info
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Data for the same earthquake reported by different agencies

Info: The more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.
Mag.DepthLocationSource
6.531 kmGuerrero, MexicoUSGS
Note: for quakes of 2012 and earlier, our database often contains only records from USGS.

User reports for this quake

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
There are no user reports for this quake.
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Aftershocks

[More info]

Recorded aftershocks, latest first (2 quakes)

Date and timeMag
Depth
LocationDetails
Apr 2, 1952 18:34
70 years ago
5.7

15 km
North Pacific Ocean, 51 km S of Acapulco de Juarez, Guerrero, MexicoMore
Jan 3, 1952 10:05
70 years ago
5.9

25 km
Buena Vista, 1.4 km NW of Buena Vista, San Luis Acatlan, Guerrero, MexicoMore

Earlier earthquakes in the same area

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