2.7

M2.7 Earthquake 184 km SSW of Adak, Alaska — July 21, 2025

2025-07-21 23:02:46 UTC (2025-07-21) · approx. 11:02 AM UTC-12 local

MagnitudeM2.7(ml)
Time23:02 UTC≈ 11:02 AM UTC-12
Depth10.0 kmshallow crustal
Coordinates50.303°, -177.470°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 50.30°, -177.47°

Earthquake Details

Magnitude
2.7 ml
Depth
10.0 km
shallow crustal
Location
50.3026°N
-177.4698°E

Technical Information

Event ID
us7000qsih
Event Type
earthquake
Status
✓ Reviewed
Significance
112
Stations Used
27
Azimuthal Gap
253.0°
Min Station Distance
1.468°
RMS Residual
0.25 sec
Last Updated
2025-10-03 18:43:28 UTC

Nearby Earthquakes (Last 7 Days)

5.0
94 km SSE of Adak, Alaska
6 hours ago · 10.0 km deep
3.2
171 km E of Atka, Alaska
16 hours ago · 30.0 km deep
5.1
92 km SE of Atka, Alaska
21 hours ago · 35.0 km deep
4.6
95 km SE of Atka, Alaska
1 day ago · 40.7 km deep
2.6
180 km WSW of Adak, Alaska
2 days ago · 8.1 km deep
3.3
230 km ESE of Attu Station, Alaska
2 days ago · 6.1 km deep
2.8
186 km S of Atka, Alaska
2 days ago · 7.3 km deep
3.8
229 km ESE of Attu Station, Alaska
3 days ago · 1.0 km deep
2.6
187 km W of Adak, Alaska
3 days ago · 86.6 km deep
3.5
99 km SW of Atka, Alaska
3 days ago · 20.6 km deep

Actions

View on USGSDid You Feel It?

Location

Alaska
View all Alaska earthquakes

Understanding This Data

Magnitude 2.7 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: us7000qsih). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2025, July 21, 2025). M2.7 Earthquake 184 km SSW of Adak, Alaska — July 21, 2025. Retrieved October 3, 2025 from https://www.earthquaketracker.org/earthquakes/event/us7000qsih/