Moderate mag. 4.2 earthquake - North Pacific Ocean, 61 km southeast of Puerto Escondido, Mexico, on Wednesday, Dec 16, 2020 8:39 pm (GMT -6) -

Moderate mag. 4.2 earthquake - North Pacific Ocean, 61 km southeast of Puerto Escondido, Mexico, on Wednesday, Dec 16, 2020 8:39 pm (GMT -6)

Moderate magnitude 4.2 earthquake at 16 km depth

17 Dec 02:58 UTC: First to report: EMSC after 18 minutes.
17 Dec 03:00: Now using data updates from SSN
Update Thu, 17 Dec 2020, 03:03
Light 4.2 quake hits near Puerto Escondido, Mexico
4.2 quake 16 Dec 8:39 pm (GMT -6)
4.2 quake 16 Dec 8:39 pm (GMT -6)
An earthquake of magnitude 4.2 occurred in the evening on Wednesday 16 December 2020 at 8:39 pm local time near Puerto Escondido, San Pedro Mixtepec -Dto. 22 -, Oaxaca, Mexico, as reported by Mexico's National Seismological Service (SSN).
According to preliminary data, the quake was located at a shallow depth of 16 km. Shallow earthquakes are felt more strongly than deeper ones as they are closer to the surface. 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.
Our monitoring service identified a second report from the European-Mediterranean Seismological Centre (EMSC) which listed the quake at magnitude 4.2 as well.
Based on the preliminary seismic data, the quake should not have caused any significant damage, but was probably felt by many people as light vibration in the area of the epicenter.
Weak shaking might have been felt in Guapinole (pop. 210) located 40 km from the epicenter, and Escobilla (pop. 450) 40 km away.
Other towns or cities near the epicenter where the quake might have been felt as very weak shaking include San Bernardino (pop. 890) located 45 km from the epicenter, El Tomatal (pop. 630) 46 km away, San Pedro Pochutla (pop. 13,700) 56 km away, Brisas de Zicatela (pop. 9,800) 56 km away, Puerto Escondido (pop. 25,900) 61 km away, Huatulco (pop. 7,400) 73 km away, and Crucecita (pop. 15,100) 85 km away.

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Earthquake data

Date & time: Dec 17, 2020 02:39:56 UTC -
Local time at epicenter: Wednesday, Dec 16, 2020 8:39 pm (GMT -6)
Magnitude: 4.2
Depth: 16.0 km
Epicenter latitude / longitude: 15.38°N / 96.82°W (North Pacific Ocean, Mexico)
Antipode: 15.38°S / 83.18°E
Nearby towns and cities:
40 km (25 mi) S of Guapinole (pop: 212) --> See nearby quakes!
49 km (31 mi) SSW of San Francisco Cozoaltepec (pop: 2,120) --> See nearby quakes!
56 km (35 mi) SW of San Pedro Pochutla (pop: 13,700) --> See nearby quakes!
56 km (35 mi) SSW of Piedras Negras (pop: 1,140) --> See nearby quakes!
59 km (37 mi) SSE of Santa Maria Colotepec (pop: 1,370) --> See nearby quakes!
61 km (38 mi) SSE of Puerto Escondido (pop: 25,900) --> See nearby quakes!
69 km (43 mi) SSW of Quelové (pop: 1,040) --> See nearby quakes!
70 km (44 mi) SSW of Candelaria Loxicha (pop: 2,070) --> See nearby quakes!
73 km (46 mi) SW of Santa Maria (pop: 7,410) --> See nearby quakes!
513 km (318 mi) SSE of Mexico (pop: 12,294,200) --> See nearby quakes!
Weather at epicenter at time of quake:
Clear Sky 25°C (77 F), humidity: 78%, wind: 2 m/s (3 kts) from SW
Primary data source: SSN (Servicio Sismológico Nacional)
Estimated released energy: 1.3 x 1011 joules (35 megawatt hours, equivalent to 30.1 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.

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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