2.5

M2.5 Earthquake 179 km SSE of Unalaska, Alaska — April 20, 2023

2023-04-20 21:24:49 UTC (2023-04-20) · approx. 10:24 AM UTC-11 local

MagnitudeM2.5(ml)
Time21:24 UTC≈ 10:24 AM UTC-11
Depth10.0 kmshallow crustal
Coordinates52.492°, -165.158°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 52.49°, -165.16°

Earthquake Details

Magnitude
2.5 ml
Depth
10.0 km
shallow crustal
Location
52.4917°N
-165.1577°E

Technical Information

Event ID
us7000jw38
Event Type
earthquake
Status
✓ Reviewed
Significance
96
Stations Used
20
Azimuthal Gap
263.0°
Min Station Distance
1.580°
RMS Residual
0.28 sec
Last Updated
2023-07-03 02:46:56 UTC

Nearby Earthquakes (Last 7 Days)

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4.3
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3.4
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4 days ago · 35.0 km deep
2.7
265 km SSW of Nikolski, Alaska
5 days ago · 10.0 km deep
2.9
33 km ENE of Akutan, Alaska
5 days ago · 85.5 km deep
2.7
105 km SSE of King Cove, Alaska
6 days ago · 3.6 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: us7000jw38). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2023, April 20, 2023). M2.5 Earthquake 179 km SSE of Unalaska, Alaska — April 20, 2023. Retrieved July 3, 2023 from https://www.earthquaketracker.org/earthquakes/event/us7000jw38/