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Strong mag. 5.8 earthquake - 126 km west of Tapachula de Cordova y Ordoñez, Chiapas, Mexico, on Thursday, April 30, 1970 at 13:21 GMT

This quake was likely an aftershock of the 7.3 quake 60 km southwest of Tapachula de Cordova y Ordoñez, Chiapas, Mexico, April 29, 1970 14:01 GMT, which had occurred 23 hours earlier.
Strong mag. 5.8 earthquake - 126 km west of Tapachula de Cordova y Ordoñez, Chiapas, Mexico, on Thursday, April 30, 1970 at 13:21 GMT Strong mag. 5.8 earthquake - 126 km west of Tapachula de Cordova y Ordoñez, Chiapas, Mexico, on Thursday, April 30, 1970 at 13:21 GMT

Strong magnitude 5.8 earthquake at 35 km depth

Earthquake details

Date & timeApr 30, 1970 13:21:07 UTC
Local time at epicenter
Depth35.0 km
Epicenter latitude / longitude14.635°N / 93.393°W (North Pacific Ocean, Mexico)
Antipode14.635°S / 86.607°E
Shaking intensityModerate shaking near epicenter
Felt0 reports
Primary data sourceUSGS (United States Geological Survey)
Nearest volcanoTacana (148 km / 92 mi)
Nearby towns and cities89 km (55 mi) WSW of San José el Hueyate (Barra de San José) (pop: 756) | Show on map | Quakes nearby
103 km (64 mi) SSW of Mapastepec (pop: 17,900) | Show on map | Quakes nearby
115 km (71 mi) WSW of Huixtla (pop: 32,000) | Show on map | Quakes nearby
119 km (74 mi) S of Pijijiapan (pop: 16,900) | Show on map | Quakes nearby
126 km (78 mi) WSW of Tapachula de Cordova y Ordoñez (pop: 202,700) | Show on map | Quakes nearby
138 km (86 mi) WSW of Cacahoatan (Cacahoatán) (pop: 16,600) | Show on map | Quakes nearby
148 km (92 mi) SW of Motozintla (pop: 23,800) | Show on map | Quakes nearby
166 km (103 mi) SSE of Tonala (Tonalá) (pop: 35,300) | Show on map | Quakes nearby
178 km (111 mi) S of Villaflores (pop: 37,200) | Show on map | Quakes nearby
810 km (503 mi) SE of Mexico (pop: 12,294,200) | Show on map | Quakes nearby
Estimated seismic energy released3.2 x 1013 joules (8.78 gigawatt hours, equivalent to 7558 tons of TNT or 0.5 atomic bombs!) | about seismic energy
Show interactive Map
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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.
5.835 kmoffshore Chiapas, 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.


[More info]

Recorded aftershocks, latest first (2 quakes)

Date and timeMag
May 2, 1970 02:06
53 years ago

35 km
150 km SW of Huixtla, Chiapas, MexicoMore
May 1, 1970 08:35
53 years ago

35 km
123 km SW of Tapachula de Cordova y Ordoñez, Chiapas, MexicoMore

Earlier earthquakes in the same area

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