Weak mag. 3.8 earthquake - San Juan Guichicovi, 17 km northwest of Matias Romero Avendaño, Oaxaca, Mexico, on Thursday, Oct 21, 2021 3:06 am (GMT -5) -
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Weak magnitude 3.8 earthquake at 114 km depth
21 Oct 13:01 UTC: First to report: SSN after 5 hours.
Local time at epicenter: Thursday, Oct 21, 2021 3:06 am (GMT -5)
Depth: 114.0 km
Epicenter latitude / longitude: 17.01°N / 95.13°W↗ (San Juan Guichicovi, Oaxaca, Mexico)
Antipode: 17.01°S / 84.87°E↗
Nearest volcano: San Martín (174 km / 108 mi)
Nearby towns and cities:
2 km (1 mi) W of Encinal Colorado (pop: 1,120) --> See nearby quakes!
11 km (7 mi) NE of Zacatal (pop: 1,140) --> See nearby quakes!
13 km (8 mi) W of Piedra Blanca (pop: 1,220) --> See nearby quakes!
16 km (10 mi) SSW of Palomares (pop: 3,760) --> See nearby quakes!
17 km (11 mi) NW of Matias Romero Avendaño (Matías Romero Avendaño) (pop: 18,900) --> See nearby quakes!
21 km (13 mi) N of Santo Domingo Petapa (pop: 5,430) --> See nearby quakes!
26 km (16 mi) SSW of Donaji (pop: 2,360) --> See nearby quakes!
50 km (31 mi) N of Ixtepec (pop: 25,400) --> See nearby quakes!
170 km (105 mi) E of Oaxaca (pop: 255,000) --> See nearby quakes!
501 km (311 mi) ESE of Mexico City (pop: 12,294,200) --> See nearby quakes!
Primary data source: SSN (Servicio Sismológico Nacional)
Estimated released energy: 3.2 x 1010 joules (8.78 megawatt hours, equivalent to 7.56 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.
|3.8||114 km||Mexico: 18 Km Al NOROESTE De MATIAS ROMERO, OAX||SSN|
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.