Light mag. 4.3 earthquake - Rancho Juárez, 40 km northwest of Matias Romero Avendaño, Oaxaca, Mexico, on Saturday, Aug 7, 2021 6:17 am (GMT -5) -

Light mag. 4.3 earthquake - Rancho Juárez, 40 km northwest of Matias Romero Avendaño, Oaxaca, Mexico, on Saturday, Aug 7, 2021 6:17 am (GMT -5)

Light magnitude 4.3 earthquake at 94 km depth

7 Aug 11:47 UTC: First to report: EMSC after 30 minutes.
7 Aug 11:49: Now using data updates from SSN
Update Sat, 7 Aug 2021, 11:51
Magnitude 4.3 earthquake strikes near Matias Romero, Matías Romero Avendaño, Oaxaca, Mexico
4.3 quake 7 Aug 6:17 am (GMT -5)
4.3 quake 7 Aug 6:17 am (GMT -5)
An intermediate magnitude 4.3 earthquake was reported early morning near Matias Romero, Matías Romero Avendaño, Oaxaca, Mexico.
According to Mexico's National Seismological Service (SSN), the quake hit on Saturday 7 August 2021 at 6:17 am local time at an intermediate depth of 94 km. Magnitude and other quake parameters can still change in the coming hours as the agency continues to process seismic data.
Our monitoring service identified a second report from the European-Mediterranean Seismological Centre (EMSC) which listed the quake at magnitude 4.3 as well.
Towns or cities near the epicenter where the quake might have been felt as very weak shaking include Rancho Juarez (pop. 350) located 5 km from the epicenter, Mazatlan (pop. 1,800) 8 km away, San Juan Guichicovi (pop. 4,300) 31 km away, Santo Domingo Petapa (pop. 5,400) 35 km away, Colonia Rincon Viejo (pop. 8,500) 39 km away, Matias Romero (pop. 18,900) 40 km away, Ixtepec (pop. 25,400) 61 km away, and Juchitan de Zaragoza (pop. 74,800) 78 km away.
VolcanoDiscovery will automatically update magnitude and depth if these change and follow up if other significant news about the quake become available. If you're in the area, please send us your experience through our reporting mechanism, either online or via our mobile app. This will help us provide more first-hand updates to anyone around the globe who wants to know more about this quake.

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Earthquake data

Date & time: Aug 7, 2021 11:17:01 UTC -
Local time at epicenter: Saturday, Aug 7, 2021 6:17 am (GMT -5)
Magnitude: 4.3
Depth: 94.0 km
Epicenter latitude / longitude: 17.05°N / 95.37°W (Rancho Juárez, Oaxaca, Mexico)
Antipode: 17.05°S / 84.63°E
Nearest volcano: San Martin Pajapan (155 km / 96 mi)
Nearby towns and cities:
5 km (3 mi) SW of Rancho Juarez (pop: 347) --> See nearby quakes!
8 km (5 mi) ENE of Mazatlan (pop: 1,790) --> See nearby quakes!
31 km (19 mi) WNW of San Juan Guichicovi (pop: 4,280) --> See nearby quakes!
34 km (21 mi) WSW of Palomares (pop: 3,760) --> See nearby quakes!
35 km (22 mi) NW of Santo Domingo Petapa (pop: 5,430) --> See nearby quakes!
40 km (25 mi) WNW of Matias Romero Avendaño (Matías Romero Avendaño) (pop: 18,900) --> See nearby quakes!
61 km (38 mi) NNW of Ixtepec (pop: 25,400) --> See nearby quakes!
78 km (48 mi) NNW of Juchitan de Zaragoza (pop: 74,800) --> See nearby quakes!
144 km (89 mi) E of Oaxaca (pop: 255,000) --> See nearby quakes!
477 km (296 mi) ESE of Mexico (Ciudad de México) (pop: 12,294,200) --> See nearby quakes!
Weather at epicenter at time of quake:
Overcast Clouds 20.9°C (70 F), humidity: 98%, wind: 1 m/s (2 kts) from WSW
Primary data source: SSN (Servicio Sismológico Nacional)
Estimated released energy: 1.8 x 1011 joules (49.4 megawatt hours, equivalent to 42.5 tons of TNT) More info
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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.
Mag.DepthLocationSource
4.394 kmMexico: 40 Km Al NOROESTE De MATIAS ROMERO, OAXSSN

User reports for this quake

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
There are no user reports for this quake.
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