Global Earthquake Activity Archives - Page 3 of 7 - Resilience Engineering Institute

A shallow magnitude 3.8 earthquake was reported in the afternoon near Lander, Fremont County, Wyoming, USA.
According to the United States Geological Survey, the quake hit on Friday, December 12th, 2025, at 5:38 pm local time at a shallow depth of 7.2 miles. 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 Incorporated Research Institutions for Seismology (IRIS) which listed the quake at magnitude 3.8 as well. A third agency, the European-Mediterranean Seismological Centre (EMSC), reported the same quake at magnitude 3.8.
Towns or cities near the epicenter where the quake might have been felt as very weak shaking include Atlantic City (pop. 37) located 18 miles from the epicenter, Lander (pop. 7,700) 28 miles away, Hudson (pop. 460) 29 miles away, Arapahoe (pop. 1,700) 31 miles away, Riverton (pop. 10,900) 35 miles away, Ethete (pop. 1,600) 40 miles away, and Fort Washakie (pop. 1,800) 42 miles away.

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Published: 12 December 2025

Categories: Global Earthquake Activity

RSS feed source: Volcano Discovery.com--Global earthquake monitor

Saturday, Dec 13, 2025 00:49 | 9 hours ago | By: EarthquakeMonitor

Just 10 minutes ago, a 3.8-magnitude earthquake struck near Guarda, Guarda Municipality, Distrito da Guarda, Portugal. The tremor was recorded after midnight on Saturday, December 13th, 2025, at 12:38 am local time, at a shallow depth of 23. km below the surface.
The event was filed by the European-Mediterranean Seismological Centre (EMSC), the first seismological agency to report it.
A second report was later issued by the citizen-seismograph network of RaspberryShake, which listed it as a magnitude 3.7 earthquake. A third agency, Spain’s Instituto Geográfico Nacional (IGN), reported the same quake at magnitude 3.7.
Towns or cities near the epicenter where the quake might have been felt as very weak shaking include Guarda (pop. 32,100) located 18 km from the epicenter, Sequeira (pop. 28,500) 20 km away, Aguiar da Beira (pop. 5,500) 24 km away, Mangualde (pop. 8,900) 26 km away, Mangualde (pop. 8,900) 26 km away, Seia (pop. 7,100) 31 km away, Sao Romao (pop. 6,500) 32 km away, Covilha (pop. 17,600) 37 km away, and Custoias (pop. 19,400) 56 km away.

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Earthquake data:

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Date & time: Dec 13,

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Global Earthquake Activity

Moderate mag. 4.2 earthquake – 158 km east of Chennai, Chennai, State of Tamil Nadu, India, on Saturday, Dec 13, 2025, at 03:46 am (Universal Time)

Moderate mag. 4.1 earthquake – 69 km northwest of Oaxaca, Estado de Oaxaca, Mexico, on Friday, Dec 12, 2025, at 08:13 pm (Mexico City time)

Small earthquake of magnitude 3.8 just reported 28 miles southeast of Lander, Wyoming, United States

Small magnitude 3.8 quake hits 18 km northwest of Guarda, Portugal after midnight