Weak mag. 3.7 earthquake - Xochihuehuetlan, 40 km north of Tlapa de Comonfort, Guerrero, Mexico, on Wednesday, Oct 20, 2021 3:49 pm (GMT -5) -
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Weak magnitude 3.7 earthquake at 45 km depth
21 Oct 01:01 UTC: First to report: SSN after 4 hours.
Local time at epicenter: Wednesday, Oct 20, 2021 3:49 pm (GMT -5)
Depth: 45.0 km
Epicenter latitude / longitude: 17.9°N / 98.63°W (Xochihuehuetlan, Guerrero, Mexico)
Antipode: 17.9°S / 81.37°E
Nearest volcano: Popocatépetl (125 km / 78 mi)
Nearby towns and cities:
1 km (0 mi) WNW of Cuchilla Larga (pop: 10) --> See nearby quakes!
13 km (8 mi) NW of Huamuxtitlan (Huamuxtitlán) (pop: 6,060) --> See nearby quakes!
15 km (9 mi) W of Xochihuehuetlan (Xochihuehuetlán) (pop: 4,860) --> See nearby quakes!
16 km (10 mi) SSE of Ixcamilpa (pop: 1,350) --> See nearby quakes!
18 km (11 mi) NE of Olinala (Olinalá) (pop: 5,790) --> See nearby quakes!
26 km (16 mi) SW of Tulcingo de Valle (Puebla) (pop: 5,250) --> See nearby quakes!
40 km (25 mi) N of Tlapa de Comonfort (Tlapa) (pop: 47,000) --> See nearby quakes!
46 km (29 mi) ESE of Copalillo (De los Dolores) (pop: 6,910) --> See nearby quakes!
101 km (63 mi) ENE of Chilpancingo de los Bravo (pop: 187,300) --> See nearby quakes!
178 km (111 mi) SSE of Mexico (Ciudad de México) (pop: 12,294,200) --> See nearby quakes!
Primary data source: SSN (Servicio Sismológico Nacional)
Estimated released energy: 2.2 x 1010 joules (6.22 megawatt hours, equivalent to 5.35 tons of TNT) | about seismic energy
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.
|3.7||45 km||Mexico: 40 Km Al NORTE De TLAPA, GRO||SSN|
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.