Light mag. 4.3 earthquake - North Pacific Ocean, 57 km south of Salina Cruz, Oaxaca, Mexico, on Monday, Sep 20, 2021 8:41 am (GMT -6) -

Light mag. 4.3 earthquake - North Pacific Ocean, 57 km south of Salina Cruz, Oaxaca, Mexico, on Monday, Sep 20, 2021 8:41 am (GMT -6)

Light magnitude 4.3 earthquake at 34 km depth

20 Sep 15:02 UTC: First to report: EMSC after 21 minutes.
20 Sep 15:07: Now using data updates from SSN
Update Mon, 20 Sep 2021, 15:06
Moderate magnitude 4.3 quake hits 57 km southeast of Salina Cruz, Mexico in the morning
4.3 quake 20 Sep 8:41 am (GMT -6)
4.3 quake 20 Sep 8:41 am (GMT -6)
A moderately shallow magnitude 4.3 earthquake was reported in the morning near Salina Cruz, Oaxaca, Mexico.
According to the European-Mediterranean Seismological Centre (EMSC), the quake hit on Monday, September 20th, 2021, at 8:41 am local time at a moderately shallow depth of 34 km. The exact magnitude, epicenter, and depth of the quake might be revised within the next few hours or minutes as seismologists review data and refine their calculations, or as other agencies issue their report.
Towns or cities near the epicenter where the quake might have been felt as very weak shaking include Ensenada Chipehua (pop. 36) located 56 km from the epicenter, Salina Cruz (pop. 76,600) 57 km away, Colonia Juarez (pop. 2,800) 58 km away, San Mateo del Mar (pop. 5,700) 58 km away, Mazatlan (pop. 2,600) 60 km away, Santo Domingo Tehuantepec (pop. 42,100) 75 km away, San Blas Atempa (pop. 12,000) 75 km away, Juchitan de Zaragoza (pop. 74,800) 83 km away, and Ixtepec (pop. 25,400) 97 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: Sep 20, 2021 14:41:02 UTC -
Local time at epicenter: Monday, Sep 20, 2021 8:41 am (GMT -6)
Magnitude: 4.3
Depth: 34.0 km
Epicenter latitude / longitude: 15.69°N / 95.01°W (North Pacific Ocean, Mexico)
Antipode: 15.69°S / 84.99°E
Nearby towns and cities:
56 km (35 mi) SE of Ensenada Chipehua (pop: 36) --> See nearby quakes!
57 km (35 mi) SSE of Guelaguechi (Santo Domingo Tehuantepec) (pop: 515) --> See nearby quakes!
57 km (36 mi) SSE of Salina Cruz (pop: 76,600) --> See nearby quakes!
58 km (36 mi) S of San Mateo del Mar (pop: 5,730) --> See nearby quakes!
61 km (38 mi) SSW of Santa Maria del Mar (pop: 771) --> See nearby quakes!
65 km (41 mi) SE of San Vicente (pop: 443) --> See nearby quakes!
68 km (42 mi) SSE of Rincon Moreno (pop: 1,020) --> See nearby quakes!
70 km (44 mi) S of Santa Rosa (pop: 2,490) --> See nearby quakes!
73 km (45 mi) SSW of San Francisco del Mar Viejo (pop: 4,030) --> See nearby quakes!
603 km (375 mi) SE of Mexico City (pop: 12,294,200) --> See nearby quakes!
Weather at epicenter at time of quake:
Overcast Clouds 28.1°C (82 F), humidity: 77%, wind: 6 m/s (12 kts) from N
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
4.334 kmMexico: 58 Km Al SURESTE De SALINA CRUZ, OAXSSN
4.334 kmOFFSHORE OAXACA, MEXICOEMSC

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 yet. If you felt it be the first to report it!
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Earlier earthquakes in the same area

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