2.5

M2.5 Earthquake 79 km SW of Adak, Alaska — April 20, 2025

2025-04-20 20:35:24 UTC (2025-04-20) · approx. 8:35 AM UTC-12 local

MagnitudeM2.5(ml)
Time20:35 UTC≈ 8:35 AM UTC-12
Depth33.3 kmshallow crustal
Coordinates51.469°, -177.580°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 51.47°, -177.58°

Earthquake Details

Magnitude
2.5 ml
Depth
33.3 km
shallow crustal
Location
51.4693°N
-177.5799°E

Technical Information

Event ID
us7000pxcw
Event Type
earthquake
Status
✓ Reviewed
Significance
96
Stations Used
12
Azimuthal Gap
215.0°
Min Station Distance
0.349°
RMS Residual
0.25 sec
Last Updated
2025-06-27 00:35:07 UTC

Nearby Earthquakes (Last 7 Days)

2.5
103 km SSE of Atka, Alaska
15 hours ago · 5.0 km deep
3.8
221 km ESE of Attu Station, Alaska
16 hours ago · 5.0 km deep
3.9
128 km SSE of Atka, Alaska
1 day ago · 35.0 km deep
2.9
141 km SW of Nikolski, Alaska
1 day ago · 19.0 km deep
3.1
237 km ESE of Attu Station, Alaska
1 day ago · 10.0 km deep
2.7
19 km S of Adak, Alaska
1 day ago · 83.0 km deep
3.3
234 km WSW of Adak, Alaska
1 day ago · 62.5 km deep
3.7
100 km SE of Atka, Alaska
1 day ago · 9.1 km deep
2.5
101 km SE of Atka, Alaska
1 day ago · 20.0 km deep
3.1
230 km ESE of Attu Station, Alaska
1 day ago · 10.0 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: us7000pxcw). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2025, April 20, 2025). M2.5 Earthquake 79 km SW of Adak, Alaska — April 20, 2025. Retrieved June 27, 2025 from https://www.earthquaketracker.org/earthquakes/event/us7000pxcw/