Light mag. 4.0 earthquake - Santiago Niltepec, 47 km northeast of Juchitan de Zaragoza, Oaxaca, Mexico, on 2021-05-21 08:58:09 (Hora de México) -
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Light magnitude 4.0 earthquake at 50 km depth
22 May 01:07 UTC: First to report: SSN after 11 hours.
Local time at epicenter: 2021-05-21 08:58:09 (Hora de México)
Depth: 50.0 km
Epicenter latitude / longitude: 16.61°N / 94.62°W↗ (Santiago Niltepec, Oaxaca, Mexico)
Antipode: 16.61°S / 85.38°E↗
Nearest volcano: El Chichón (170 km / 106 mi)
Nearby towns and cities:
6 km (3 mi) SSE of La Compuerta (pop: 28) --> See nearby quakes!
27 km (17 mi) N of Las Amilpas (pop: 8,800) --> See nearby quakes!
27 km (17 mi) NE of Union Hidalgo (Unión Hidalgo) (pop: 13,700) --> See nearby quakes!
47 km (29 mi) ENE of Juchitan de Zaragoza (pop: 74,800) --> See nearby quakes!
52 km (32 mi) E of Ixtepec (pop: 25,400) --> See nearby quakes!
54 km (33 mi) ESE of Matias Romero (Matías Romero Avendaño) (pop: 18,900) --> See nearby quakes!
73 km (46 mi) ENE of Santo Domingo Tehuantepec (Tehuantepec) (pop: 42,100) --> See nearby quakes!
78 km (48 mi) NE of Salina Cruz (pop: 76,600) --> See nearby quakes!
230 km (143 mi) ESE of Santa Maria (pop: 255,000) --> See nearby quakes!
571 km (355 mi) ESE of Mexico City (pop: 12,294,200) --> See nearby quakes!
Primary data source: SSN (Servicio Sismológico Nacional)
Estimated released energy: 6.3 x 1010 joules (17.5 megawatt hours, equivalent to 15.1 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.
|4.0||50 km||Mexico: 27 Km Al NORESTE De UNION HIDALGO, OAX||SSN|
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.