Strong mag. 6.4 earthquake - 20 km north of Técpan de Galeana, Guerrero, Mexico, on Monday, June 7, 1976 at 14:26 (GMT)

Strong mag. 6.4 earthquake - 20 km north of Técpan de Galeana, Guerrero, Mexico, on Monday, June 7, 1976 at 14:26 (GMT)

Strong magnitude 6.4 earthquake at 45 km depth

1 Jan 00:00 UTC: First to report: USGS after 30 seconds.
Date & time: Jun 7, 1976 14:26:39 UTC
Magnitude: 6.4
Depth: 45.0 km
Epicenter latitude / longitude: 17.403°N / 100.635°W (Técpan de Galeana, Guerrero, Mexico)
Antipode: 17.403°S / 79.365°E
Nearest volcano: Nevado de Toluca (211 km / 131 mi)
Nearby towns and cities:
20 km (12 mi) N of El Suchil (El Súchil) (pop: 6,960) --> See nearby quakes!
20 km (13 mi) N of Técpan de Galeana (pop: 15,100) --> See nearby quakes!
25 km (16 mi) NNE of Nuxco (pop: 1,990) --> See nearby quakes!
30 km (19 mi) ENE of san luis de la loma (pop: 4,240) --> See nearby quakes!
31 km (19 mi) NW of Atoyac de Alvarez (Atoyac de Álvarez) (pop: 21,400) --> See nearby quakes!
69 km (43 mi) ESE of Petatlan (Petatlán) (pop: 21,700) --> See nearby quakes!
99 km (61 mi) NW of Acapulco de Juarez (pop: 673,500) --> See nearby quakes!
121 km (75 mi) W of Chilpancingo (pop: 187,300) --> See nearby quakes!
276 km (171 mi) SW of Mexico (Ciudad de México) (pop: 12,294,200) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 2.5 x 1014 joules (69.8 gigawatt hours, equivalent to 60036 tons of TNT or 3.8 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
6.445 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 (6 quakes)

Date and timeMag
Depth
LocationDetails
Dec 3, 1976 00:48
45 years ago
4.4

120 km
La Cuesta Grande, 31 km S of Ciudad Altamirano, Pungarabato, Guerrero, MexicoMore
Sep 19, 1976 20:58
45 years ago
5.6

55 km
Tlapehuala, 26 km SE of Ciudad Altamirano, Pungarabato, Guerrero, MexicoMore
Aug 14, 1976 01:11
45 years ago
4.5

71 km
10.8 km N of Petatlan, Guerrero, MexicoMore
Aug 13, 1976 23:04
45 years ago
4.8

68 km
Puerto de la Cruz, 35 km E of Zihuatanejo, Guerrero, MexicoMore
Jun 22, 1976 21:45
45 years ago
4.7

88 km
Coyuca de Catalan, 82 km NE of Zihuatanejo, Guerrero, MexicoMore
Jun 22, 1976 12:50
45 years ago
4.4

56 km
Técpan de Galeana, 34 km NW of Atoyac de Alvarez, Guerrero, MexicoMore

Earlier earthquakes in the same area

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