Major magnitude 7.4 earthquake - Cochoapa, 3.3 km northeast of Cochoapa, Ometepec, Guerrero, Mexico, on Thursday, December 23, 1937 at 13:18 (GMT)
Quake Data | Interactive map | User Reports | Aftershocks | Earlier quakes here | Quakes in Mexico | Guerrero | Oaxaca | Mexico City
Major magnitude 7.4 earthquake at 25 km depth
Depth: 25.0 km
Epicenter latitude / longitude: 16.749°N / 98.359°W↗ (Cochoapa, Guerrero, Mexico)
Antipode: 16.749°S / 81.641°E↗
Nearby towns and cities:
3 km (2 mi) NW of Cumbre de Barranca Honda (pop: 1,220) --> See nearby quakes!
8 km (5 mi) NE of Ometepec (pop: 24,100) --> See nearby quakes!
14 km (8 mi) WSW of Xochistlahuaca (Tlacoachistlahuaca) (pop: 4,150) --> See nearby quakes!
31 km (19 mi) N of Cuajinicuilapa (pop: 10,300) --> See nearby quakes!
56 km (35 mi) NW of Pinotepa Nacional (Oaxaca) (pop: 29,600) --> See nearby quakes!
82 km (51 mi) ESE of Ayutla de los Libres (pop: 15,400) --> See nearby quakes!
92 km (57 mi) SSE of Tlapa de Comonfort (Tlapa) (pop: 47,000) --> See nearby quakes!
92 km (57 mi) SW of Heroica Ciudad de Tlaxiaco (Centro, Oaxaca) (pop: 17,500) --> See nearby quakes!
151 km (94 mi) SE of Chilpancingo (pop: 187,300) --> See nearby quakes!
309 km (192 mi) SSE of Mexico City (pop: 12,294,200) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 7.9 x 1015 joules (2206 gigawatt hours, equivalent to 1.9 x 106 tons of TNT or 118.7 atomic bombs!) More info
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.
|7.4||25 km||Guerrero, Mexico||USGS|
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Recorded aftershocks, latest first (1 quake)
- 02 Jan 1938 22:27 UTC| M 6.5 |25 km (15.5 mi) depth|61 km (38 mi) distance| USGS | Very strong mag. 6.5 earthquake - North Pacific Ocean, 12 km southwest of Llano Grande, Santiago Tapextla, Mexico, on Sunday, January 2, 1938 at 22:27 (GMT)