Weak mag. 3.7 earthquake - 4.3 km east of Matias Romero, Oaxaca, Mexico, on 2021-07-28 21:01:06 (Hora de México) -
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Weak magnitude 3.7 earthquake at 99 km depth
29 Jul 13:00 UTC: First to report: SSN after 11 hours.
Local time at epicenter: 2021-07-28 21:01:06 (Hora de México)
Depth: 99.0 km
Epicenter latitude / longitude: 16.87°N / 95°W↗ (Matias Romero Avendaño, Oaxaca, Mexico)
Antipode: 16.87°S / 85°E↗
Nearest volcano: San Martín (190 km / 118 mi)
Nearby towns and cities:
1 km (1 mi) SE of Colonia Emiliano Zapata (pop: 63) --> See nearby quakes!
4 km (3 mi) ESE of Matias Romero (Matías Romero Avendaño) (pop: 18,900) --> See nearby quakes!
14 km (9 mi) SE of San Juan Guichicovi (pop: 4,280) --> See nearby quakes!
16 km (10 mi) ENE of Santo Domingo Petapa (pop: 5,430) --> See nearby quakes!
36 km (22 mi) N of La Ventosa (pop: 4,880) --> See nearby quakes!
36 km (22 mi) NNE of Ixtepec (pop: 25,400) --> See nearby quakes!
48 km (30 mi) NNW of Union Hidalgo (Unión Hidalgo) (pop: 13,700) --> See nearby quakes!
48 km (30 mi) N of Juchitan de Zaragoza (pop: 74,800) --> See nearby quakes!
185 km (115 mi) E of Santa Maria (pop: 255,000) --> See nearby quakes!
521 km (324 mi) ESE of Mexico City (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) 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.
|3.7||99 km||Mexico: 5 Km Al ESTE 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.