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

Mon, 15 Sep 2025, 22:10 | BY: EARTHQUAKEMONITOR

The United States Geological Survey reported a magnitude 3.4 quake in the United States near Antioch, Contra Costa County, California, only 9 minutes ago. The earthquake hit early afternoon on Monday, September 15th, 2025, at 3:00 pm local time at a very shallow depth of 4 miles. 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 3.5 earthquake. A third agency, the European-Mediterranean Seismological Centre (EMSC), reported the same quake at magnitude 3.5.
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 Clayton (pop. 11,900) located 5 miles from the epicenter, Antioch (pop. 110,500) 5 miles away, Pittsburg (pop. 69,400) 6 miles away, Brentwood (pop. 59,000) 8 miles away, and Oakley (pop. 39,800) 8 miles away.
Other towns or cities near the epicenter where the quake might have been felt as very weak shaking include Concord (pop. 128,700) located 10 miles from the

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

Date and TimeMag
DepthDistanceLocationDetailsMap Sep 14, 02:11 pm (GMT -6)

4.1

57 km50 km (31 mi) to the E North Pacific Ocean, 73 km west of Tapachula, Estado de Chiapas, Mexico  I FELT IT InfoSep 14, 12:07 pm (GMT -6)

4.3

60 km49 km (31 mi) to the W North Pacific Ocean, 157 km south of Tonala, Estado de Chiapas, Mexico  I FELT IT InfoSep 14, 11:57 am (GMT -6)

4.1

16 km75 km (46 mi) to the SW North Pacific Ocean, 157 km southwest of Mapastepec, Estado de Chiapas, Mexico  I FELT IT InfoSep 14, 04:16 am (GMT -6)

3.8

10 km84 km (52 mi) to the SW North Pacific Ocean, 167 km southwest of Mapastepec, Estado de Chiapas, Mexico  I FELT IT

Info

Sep 14, 03:13 am (GMT -6)

3.9

15 km86 km (53 mi) to the SE North Pacific Ocean, 123 km southwest of Tapachula, Estado de Chiapas, Mexico  I FELT IT

Info

May 12, 2024 05:39 am (GMT -6)

6.2

10 km96 km (60 mi) to the SE Mexico: 76 km al SUROESTE de CD HIDALGO, CHIS 312 reportsInfoJul 14, 2023 03:29 am (GMT -6)

6.5

16 km83 km (51 mi) to the W Mexico: 140 Km Al SUROESTE De PIJIJIAPAN, CHIS 114 reportsInfoJun 23, 2020 03:29 pm (Universal Time)

7.1

10 km306 km (190 mi) to the NW 62 km west of Salina Cruz, Estado de Oaxaca, Mexico 469 reportsInfoNov 19, 2019 10:27 pm (GMT -6)

6.2

10 km83 km (52 mi) to the SE North Pacific Ocean, 98 km southwest of Brisas Barra de Suchiate, Mexico 44 reportsInfoSep 7, 2017 10:49 pm (GMT -6)

8.0

60 km51 km

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Mon, 15 Sep 2025, 22:01 | BY: EARTHQUAKEMONITOR

An earthquake of magnitude 3.0 occurred only 11 minutes ago 1 miles southwest of Bulahdelah, New South Wales, Australia, Geoscience Australia (GeoAu) reported.
The quake hit at a very shallow depth of 5.5 miles beneath the epicenter near Bulahdelah, Mid-Coast, New South Wales, Australia, in the morning on Tuesday, September 16th, 2025, at 7:49 am local time. 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 citizen-seismograph network of RaspberryShake which listed the quake at magnitude 3.1. A third agency, the European-Mediterranean Seismological Centre (EMSC), reported the same quake at magnitude 3.1.
Towns or cities near the epicenter where the quake might have been felt as very weak shaking include Bulahdelah (pop. 1,500) located 1 miles from the epicenter. In Tea Gardens (pop. 2,800, 17 miles away), Hawks Nest (pop. 1,300, 17 miles away), Tuncurry (pop. 6,300, 25 miles away), Forster (pop. 13,700, 25 miles away), Taree (pop. 16,400, 38 miles away), Newcastle (pop. 348,500, 43 miles away), and Maitland (pop. 67,100, 43 miles away), the quake was probably not felt.

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