RSS feed source: USGS Earthquake Hazards Program
Time2025-09-13 03:57:55 UTC2025-09-13 03:57:55 UTC at epicenterLocation8.069°S 75.780°WDepth10.00 km (6.21 mi)
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RSS feed source: USGS Earthquake Hazards Program
Time2025-09-13 03:57:55 UTC2025-09-13 03:57:55 UTC at epicenterLocation8.069°S 75.780°WDepth10.00 km (6.21 mi)
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RSS feed source: USGS Earthquake Hazards Program
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RSS feed source: USGS Earthquake Hazards Program
59 km (37 mi)
NE of epicenter
(pop: 220)
IV: Light
SW of epicenter
(pop: 424)
III: Weak
Tocache, Region de San Martin 72 km (45 mi)
W of epicenter
(pop: 453)
III: Weak
Tocache, Region de San Martin 74 km (46 mi)
SW of epicenter
(pop: 204)
III: Weak
Tocache, Region de San Martin 77 km (48 mi)
SW of epicenter
(pop: 824)
III: Weak
Tocache, Region de San Martin 83 km (51 mi)
W of epicenter
(pop: 29,000)
III: Weak
Region de San Martin 85 km (53 mi)
SW of epicenter
(pop: 776)
III: Weak
Tingo Maria, Region de Huanuco 87 km (54 mi)
SW of epicenter
(pop: 17,700)
III: Weak
Tocache, Region de San Martin 96 km (59 mi)
SW of epicenter
(pop: 653)
III: Weak
Marañon, Region de Huanuco 99 km (62 mi)
S of epicenter
(pop: 322)
III: Weak
Tingo Maria, Region de Huanuco 100 km (62 mi)
E of epicenter
(pop: 805)
III: Weak
Ucayali, Loreto 100 km (62 mi)
W of epicenter
(pop: 776)
III: Weak
Tocache, Region de San Martin 103 km (64 mi)
NE of epicenter
(pop: 439)
III: Weak
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RSS feed source: USGS Earthquake Hazards Program
Moderate magnitude 4.0 earthquake at 225 km depth
13 Sep 04:01 UTC: First to report: EMSC after 31 minutes.
13 Sep 04:02: Now using data updates from USGS
Update Sat, 13 Sep 2025, 04:03
Moderate magnitude 4.0 quake hits 45 miles northwest of Atka, Alaska, United States early evening
Just 32 minutes ago, a 4.0-magnitude earthquake struck near Atka, Aleutians West, Alaska, USA. The tremor was recorded early evening on Friday, September 12th, 2025, at 6:30 pm local time, at an intermediate to considerable depth of 140 miles below the surface.
The event was filed by the United States Geological Survey, the first seismological agency to report it.
A second report was later issued by The Incorporated Research Institutions for Seismology (IRIS), which listed it as a magnitude 4.0 earthquake as well. A third agency, the European-Mediterranean Seismological Centre (EMSC), reported the same quake at magnitude 4.0.
According to preliminary calculations, we do not expect that the quake was felt by many people and did not cause any damage. In Atka (pop. 64, 45 miles away), the quake was probably not felt.
If you were or still are in this area during the quake help others with your feedback and report it here.
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I felt this
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