Major magnitude 7.2 earthquake - North Pacific Ocean, 41 km southwest of Pinotepa Nacional, Oaxaca, Mexico, on Saturday, 4 August 1928 at 18:26 (GMT)
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Major magnitude 7.2 earthquake at 20 km depth
Depth: 20.0 km
Epicenter latitude / longitude: 16.004°N / 98.209°W (North Pacific Ocean, Mexico)
Nearby towns and cities:
26 km (16 mi) S of Corralero (pop: 1,740) --> See nearby quakes!
33 km (20 mi) SW of Collantes (pop: 2,240) --> See nearby quakes!
35 km (22 mi) S of El Ciruelo (pop: 2,220) --> See nearby quakes!
41 km (25 mi) SSE of Santo Domingo Armenta (pop: 2,580) --> See nearby quakes!
41 km (25 mi) SSW of Pinotepa Nacional (pop: 29,600) --> See nearby quakes!
46 km (29 mi) SW of Santa Maria (pop: 4,760) --> See nearby quakes!
51 km (32 mi) SW of Santiago (pop: 10,100) --> See nearby quakes!
57 km (35 mi) SSE of Cuajinicuilapa (pop: 10,300) --> See nearby quakes!
79 km (49 mi) SSE of Ometepec (pop: 24,100) --> See nearby quakes!
393 km (244 mi) SSE of Mexico City (pop: 12,294,200) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 4 x 1015 joules (1106 gigawatt hours, equivalent to 9.5 x 105 tons of TNT or 59.5 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.
|7.2||20 km||offshore Oaxaca, Mexico||USGS|
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
More infoRecorded aftershocks, latest first (1 quakes):
- 09 Oct 1928 03:01 UTC| M 7.5 |25 km (15.5 mi) depth|78 km (49 mi) distance| USGS | Major magnitude 7.5 earthquake - Santa Ana Tututepec, 4.8 km north of Santa Maria Acatepec, Mexico, on Tuesday, 9 October 1928 at 03:01 (GMT)