Mag. 4.2 earthquake - Oaxaca, Mexico, on Monday, 20 September 1976 at 18:04 (GMT)

Mag. 4.2 earthquake - Oaxaca, Mexico, on Monday, 20 September 1976 at 18:04 (GMT)

Light magnitude 4.2 earthquake at 33 km depth

Date & time: 20 Sep 1976 18:04:54 UTC
Magnitude: 4.2
Depth: 33.0 km
Epicenter latitude / longitude: 18.21°N / 97.72°W (Mexico)
Nearest volcano: Pico de Orizaba (103 km / 64 mi)
Nearby towns and cities:
3 km (2 mi) SSE of Escalerillas (pop: 12) --> See nearby quakes!
20 km (13 mi) E of San Jeronimo Xayacatlan (pop: 1,160) --> See nearby quakes!
25 km (16 mi) NE of Petlalcingo (pop: 2,620) --> See nearby quakes!
35 km (22 mi) E of Acatlan de Osorio (Acatlán de Osorio) (pop: 16,300) --> See nearby quakes!
44 km (28 mi) SW of Tehuacan (pop: 248,700) --> See nearby quakes!
45 km (28 mi) N of Ciudad de Huajuapan de Leon (pop: 53,000) --> See nearby quakes!
48 km (30 mi) WSW of San Francisco Altepexi (Altepexi) (pop: 18,200) --> See nearby quakes!
52 km (32 mi) WSW of Zinacatepec (pop: 15,600) --> See nearby quakes!
52 km (32 mi) WSW of Ajalpan (pop: 28,000) --> See nearby quakes!
201 km (125 mi) SE of Mexiko (pop: 12,294,200) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1.3 x 1011 joules (35 megawatt hours, equivalent to 30.1 tons of TNT) 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.
MagnitudeDepthLocationSource
M 4.233 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 yet. If you felt it be the first to report it!
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Earlier earthquakes in the same area

Mag. 4.2 earthquake - Oaxaca, Mexico, on Monday, 20 September 1976 at 18:04 (GMT)
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