Author: WeWorldMedia-admin

Reventador Volcano Volcanic Ash Advisory: VA EM DTCTD

Published: 6 September 2025
Categories: Global Volcano Activity

RSS feed source: Volcano Discovery.com

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Small 3.4 quake hits near Pomona, Los Angeles County, California, USA

Published: 6 September 2025
Categories: Global Earthquake Activity

RSS feed source: Volcano Discovery.com

Sun, 7 Sep 2025, 00:25 | BY: EARTHQUAKEMONITOR

A very shallow magnitude 3.4 earthquake was reported in the afternoon near Pomona, Los Angeles County, California, USA.
According to the United States Geological Survey, the quake hit on Saturday, September 6th, 2025, at 5:11 pm local time at a very shallow depth of 4.8 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.
A second report was later issued by The Incorporated Research Institutions for Seismology (IRIS), which listed it as a magnitude 3.2 earthquake. A third agency, the European-Mediterranean Seismological Centre (EMSC), reported the same quake at magnitude 3.4.
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 San Antonio Heights (pop. 3,400) located 6 miles from the epicenter, and Glendora (pop. 52,000) 8 miles away.
Other towns or cities near the epicenter where the quake might have been felt as very weak shaking include Upland (pop. 76,400) located 9 miles from the epicenter, Pomona

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Light mag. 3.9 earthquake – Bering Sea, 36 mi northwest of Atka, Aleutians West Census Area, Alaska, United States, on Saturday, Sep 6, 2025, at 03:19 pm (GMT -9)

Published: 6 September 2025
Categories: Global Earthquake Activity

RSS feed source: Volcano Discovery.com

Date and TimeMag
DepthDistanceLocationDetailsMap Jul 25, 09:53 am (Universal Time)

3.1

8.7 km60 km (37 mi) to the SE 9.3 mi southwest of Atka, Aleutians West Census Area, Alaska, United States 1 report

Info

Jun 24, 07:02 pm (Universal Time)

3.0

62 km95 km (59 mi) to the SE 36 km SSE of Atka, Alaska

Info

Jun 16, 12:34 am (Universal Time)

3.3

238 km29 km (18 mi) to the SE 36 km NNW of Atka, Alaska

Info

Jun 8, 05:22 am (Universal Time)

3.5

10 km100 km (62 mi) to the E 62 km ENE of Atka, Alaska

Info

Jun 7, 03:46 pm (GMT -10)

3.6

10 km99 km (62 mi) to the E 65 km ENE of Atka, Alaska

Info

May 30, 12:44 am (GMT -9)

5.1

10 km85 km (53 mi) to the E 47 km ENE of Atka, Alaska 3 reportsInfoMay 12, 04:30 pm (Adak)

4.2

75 km62 km (38 mi) to the S Bering Sea, 38 mi west of Atka, Aleutians West Census Area, Alaska, United States InfoApr 27, 08:33 am (Universal Time)

3.9

195 km31 km (19 mi) to the NE 70 km NNW of Atka, Alaska

Info

Apr 24, 04:21 pm (GMT -9)

4.2

207 km12 km (7.3 mi) to the E Bering Sea, 30 mi northwest of Atka, Aleutians West Census Area, Alaska, United States InfoApr 16, 04:11 pm (Adak)

4.0

215 km29 km (18 mi) to the SE 31 km NW of Atka, Alaska InfoJul 8, 2022 12:40 am (Adak)

5.3

10 km52 km (32 mi) to the S Andreanof Islands, Aleutian Islands, Alaska 1 reportInfoAug 15, 2015 08:16 pm (GMT +0)

5.5

46 km97 km (60 mi) to the SW Bering Sea, 14 mi southeast of Oglodak Island, Aleutians West

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