2.5

M2.5 Earthquake 231 km W of Adak, Alaska — April 30, 2025

2025-04-30 21:47:22 UTC (2025-04-30) · approx. 9:47 AM UTC-12 local

MagnitudeM2.5(ml)
Time21:47 UTC≈ 9:47 AM UTC-12
Depth79.5 kmintermediate depth
Coordinates51.607°, -179.953°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 51.61°, -179.95°

Earthquake Details

Magnitude
2.5 ml
Depth
79.5 km
intermediate depth
Location
51.6069°N
-179.9527°E

Technical Information

Event ID
us7000pwib
Event Type
earthquake
Status
✓ Reviewed
Significance
96
Stations Used
15
Azimuthal Gap
150.0°
Min Station Distance
0.375°
RMS Residual
0.13 sec
Last Updated
2025-07-12 16:30:41 UTC

Nearby Earthquakes (Last 7 Days)

3.9
128 km SSE of Atka, Alaska
15 hours ago · 35.0 km deep
3.3
229 km ESE of Attu Station, Alaska
17 hours ago · 20.0 km deep
3.4
235 km WSW of Adak, Alaska
20 hours ago · 62.0 km deep
3.7
100 km SE of Atka, Alaska
22 hours ago · 9.1 km deep
2.5
101 km SE of Atka, Alaska
22 hours ago · 20.0 km deep
3.1
230 km ESE of Attu Station, Alaska
23 hours ago · 10.0 km deep
2.5
178 km WSW of Adak, Alaska
1 day ago · 73.8 km deep
2.6
111 km SE of Atka, Alaska
1 day ago · 27.5 km deep
3.9
112 km SW of Atka, Alaska
1 day ago · 35.0 km deep
3.7
91 km SE of Atka, Alaska
1 day ago · 35.5 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: us7000pwib). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2025, April 30, 2025). M2.5 Earthquake 231 km W of Adak, Alaska — April 30, 2025. Retrieved July 12, 2025 from https://www.earthquaketracker.org/earthquakes/event/us7000pwib/