Weak mag. 3.9 earthquake - San Juan Mazatlan, 23 km east of San Miguel Quetzaltepec, Oaxaca, Mexico, on Friday, Oct 22, 2021 3:53 am (GMT -5) -
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Weak magnitude 3.9 earthquake at 95 km depth
22 Oct 13:00 UTC: First to report: SSN after 4 hours.
Local time at epicenter: Friday, Oct 22, 2021 3:53 am (GMT -5)
Depth: 95.0 km
Epicenter latitude / longitude: 17.03°N / 95.55°W↗ (San Juan Mazatlan, Oaxaca, Mexico)
Antipode: 17.03°S / 84.45°E↗
Nearest volcano: San Martín (176 km / 109 mi)
Nearby towns and cities:
4 km (2 mi) SW of San Pedro Acatlan Grande (pop: 629) --> See nearby quakes!
16 km (10 mi) NE of Santa Margarita Huitepec (San Juan Mazatlán) (pop: 1,010) --> See nearby quakes!
23 km (14 mi) ENE of San Miguel Quetzaltepec (pop: 3,860) --> See nearby quakes!
28 km (17 mi) SSE of Santa Maria Puxmetacan (pop: 1,380) --> See nearby quakes!
29 km (18 mi) ESE of San Juan Cotzocon (pop: 3,700) --> See nearby quakes!
41 km (26 mi) ESE of Zacatepec (pop: 2,150) --> See nearby quakes!
49 km (30 mi) W of San Juan Guichicovi (pop: 4,280) --> See nearby quakes!
49 km (31 mi) WNW of Santo Domingo Petapa (pop: 5,430) --> See nearby quakes!
125 km (78 mi) E of Oaxaca (pop: 255,000) --> See nearby quakes!
463 km (287 mi) SE of Mexico (Ciudad de México) (pop: 12,294,200) --> See nearby quakes!
Primary data source: SSN (Servicio Sismológico Nacional)
Estimated released energy: 4.5 x 1010 joules (12.4 megawatt hours, equivalent to 10.7 tons of TNT) 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.
|3.9||95 km||Mexico: 57 Km Al NOROESTE De MATIAS ROMERO, OAX||SSN|
|3.9||95 km||OAXACA, MEXICO||EMSC|
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.