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Major magnitude 7.3 earthquake - 3.2 km northwest of El Huamuche, Santiago Ixtayutla, Oaxaca, Mexico, on Friday, August 2, 1968 at 14:06 GMT

Major magnitude 7.3 earthquake - 3.2 km northwest of El Huamuche, Santiago Ixtayutla, Oaxaca, Mexico, on Friday, August 2, 1968 at 14:06 GMT Major magnitude 7.3 earthquake - 3.2 km northwest of El Huamuche, Santiago Ixtayutla, Oaxaca, Mexico, on Friday, August 2, 1968 at 14:06 GMT

Major magnitude 7.3 earthquake at 25 km depth

Earthquake details

Date & timeAug 2, 1968 14:06:43 UTC
Local time at epicenter
StatusConfirmed
Magnitude7.3
Depth25.0 km
Epicenter latitude / longitude16.519°N / 97.739°W (El Huamuche, Oaxaca, Mexico)
Antipode16.519°S / 82.261°E
Shaking intensityVery strong shaking near epicenter
Felt0 reports
Primary data sourceUSGS (United States Geological Survey)
Nearby towns and cities11 km (7 mi) WSW of Santiago Ixtayutla (pop: 1,900) | Show on map | Quakes nearby
15 km (9 mi) NNE of San Agustin (pop: 2,000) | Show on map | Quakes nearby
24 km (15 mi) ENE of San Juan Colorado (pop: 5,560) | Show on map | Quakes nearby
28 km (17 mi) NNE of Santiago (pop: 10,100) | Show on map | Quakes nearby
28 km (18 mi) NE of San Andrés Huaxpaltepec (pop: 4,150) | Show on map | Quakes nearby
39 km (24 mi) ENE of Santiago Pinotepa Nacional (pop: 29,600) | Show on map | Quakes nearby
74 km (46 mi) ESE of Ometepec (Guerrero) (pop: 24,100) | Show on map | Quakes nearby
84 km (52 mi) S of Heroica Ciudad de Tlaxiaco (Centro) (pop: 17,500) | Show on map | Quakes nearby
124 km (77 mi) WSW of Oaxaca (pop: 255,000) | Show on map | Quakes nearby
355 km (221 mi) SSE of Mexico (Ciudad de México) (pop: 12,294,200) | Show on map | Quakes nearby
Estimated seismic energy released5.6 x 1015 joules (1562 gigawatt hours, equivalent to 1.3 x 106 tons of TNT or 84 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.
Mag.DepthLocationSource
7.325 kmOaxaca, 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.

Aftershocks

[More info]

Recorded aftershocks, latest first (2 quakes)

Date and timeMag
Depth
LocationDetails
Feb 4, 1970 05:08
53 years ago
6.4

10 km
152 km S of Acapulco, Guerrero, MexicoMore
Aug 16, 1968 18:25
55 years ago
5.6

30 km
8.8 km NW of San Pedro Atoyac, Oaxaca, MexicoMore

Earlier earthquakes in the same area

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