Mag. 4.0 earthquake - 17 km northwest of Río Grande, Villa de Tututepec de Melchor Ocampo, Oaxaca, Mexico, on 2020-07-31 10:32:09 (Hora de México) -
This quake was likely an aftershock of the 7.3 quake 501 km southeast of Mexico City, Mexico, 2020-06-23 09:29:07, which had occurred 5 weeks earlier.
Light magnitude 4.0 earthquake at 10 km depth
31 Jul 15:56 UTC: First to report: SSN after 24 minutes.
Local time at epicenter: 2020-07-31 10:32:09 (Hora de México)
Magnitude: 4.0
Depth: 10.0 km
Epicenter latitude / longitude: 16.1°N / 97.56°W
(Mexico)Nearby towns and cities:
2 km (1 mi) N of Chacalapa (pop: 466)
10 km (6 mi) SSW of Santa Ana Tututepec (pop: 609)
11 km (7 mi) W of El Mamey (pop: 112)
12 km (8 mi) SE of El Ciruelito (Villa de Tututepec de Melchor Ocampo) (pop: 138)
12 km (8 mi) NW of La Soledad (pop: 363)
15 km (9 mi) ENE of El Tlacuache (pop: 132)
140 km (87 mi) SW of Oaxaca City (pop: 255,000)
406 km (252 mi) SSE of Mexico City (pop: 12,294,200)
Primary data source: SSN
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.
| Magnitude | Depth | Location | Source |
| M 4.0 | 10 km | 17 km al NOROESTE de RIO GRANDE, OAX (Mexico) | SSN |
| M 4.0 | 10 km | Oaxaca, Mexico | EMSC |
User reports for this quake
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Earlier earthquakes in the same area
Mag. 4.0 earthquake - 17 km northwest of Río Grande, Villa de Tututepec de Melchor Ocampo, Oaxaca, Mexico, on 2020-07-31 10:32:09 (Hora de México)Click here to search our database for earlier earthquakes in the same area since 1900!
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