3.7

37 km ENE of Adak, Alaska

2026-02-17 16:35:25 UTC (2 days ago)

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Earthquake Details

Magnitude
3.7 mb
Depth
144.5 km
Intermediate
Location
51.9780°N
-176.1094°E

Technical Information

Event ID
us6000sa4f
Event Type
earthquake
Status
✓ Reviewed
Significance
211
Stations Used
53
Azimuthal Gap
159.0°
Min Station Distance
0.043°
RMS Residual
0.30 sec
Last Updated
2026-02-19 17:13:23 UTC

Nearby Earthquakes (Last 7 Days)

4.0
120 km SSW of Nikolski, Alaska
4 hours ago · 20.0 km deep
4.8
107 km SSW of Nikolski, Alaska
4 hours ago · 10.0 km deep
4.6
228 km W of Adak, Alaska
12 hours ago · 127.8 km deep
2.9
223 km WSW of Adak, Alaska
18 hours ago · 18.4 km deep
3.7
142 km ESE of Atka, Alaska
1 days ago · 5.0 km deep
4.0
53 km ESE of Adak, Alaska
1 days ago · 55.7 km deep
4.6
136 km SW of Adak, Alaska
1 days ago · 10.0 km deep
3.2
78 km ESE of Adak, Alaska
1 days ago · 29.0 km deep
2.7
123 km WSW of Adak, Alaska
1 days ago · 12.7 km deep
3.0
35 km SE of Atka, Alaska
1 days ago · 84.9 km deep

Actions

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Location

Alaska
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Understanding This Data

Magnitude 3.7 earthquakes are typically only recorded by instruments.

Intermediate depth (144.5 km): Intermediate-depth earthquake.

Learn more about magnitude →

Be Prepared

Earthquakes can happen without warning. Make sure you know what to do.

→ What to do during an earthquake→ Create an emergency plan→ Emergency kit essentials