2.5

M2.5 Earthquake 103 km ESE of Adak, Alaska — November 4, 2021

2021-11-04 21:31:01 UTC (2021-11-04) · approx. 9:31 AM UTC-12 local

MagnitudeM2.5(ml)
Time21:31 UTC≈ 9:31 AM UTC-12
Depth35.0 kmshallow crustal
Coordinates51.502°, -175.263°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 51.50°, -175.26°

Earthquake Details

Magnitude
2.5 ml
Depth
35.0 km
shallow crustal
Location
51.5023°N
-175.2632°E

Technical Information

Event ID
us7000frm9
Event Type
earthquake
Status
✓ Reviewed
Significance
96
Azimuthal Gap
245.0°
Min Station Distance
0.635°
RMS Residual
0.26 sec
Last Updated
2022-01-14 17:59:02 UTC

Nearby Earthquakes (Last 7 Days)

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3.6
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3.8
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3.8
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4.1
173 km W of Nikolski, Alaska
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3.5
163 km W of Nikolski, Alaska
1 day ago · 95.1 km deep
6.5
169 km W of Nikolski, Alaska
1 day ago · 98.0 km deep
2.6
69 km SW of Atka, Alaska
2 days ago · 56.9 km deep
2.8
92 km SSE of Atka, Alaska
2 days ago · 7.9 km deep

Actions

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Location

Alaska
View all Alaska earthquakes

Understanding This Data

Magnitude 2.5 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: us7000frm9). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2021, November 4, 2021). M2.5 Earthquake 103 km ESE of Adak, Alaska — November 4, 2021. Retrieved January 14, 2022 from https://www.earthquaketracker.org/earthquakes/event/us7000frm9/