3.9

64 km ENE of Adak, Alaska

2026-04-07 00:55:58 UTC (2 days ago)

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Earthquake Details

Magnitude
3.9 mb
Depth
157.5 km
Intermediate
Location
52.0333°N
-175.7356°E
Intensity (MMI)
1.0
Not felt

Technical Information

Event ID
us6000sn5f
Event Type
earthquake
Status
✓ Reviewed
Significance
234
Stations Used
85
Azimuthal Gap
168.0°
Min Station Distance
0.126°
RMS Residual
0.46 sec
Last Updated
2026-04-07 21:39:02 UTC

Nearby Earthquakes (Last 7 Days)

2.7
72 km SE of Adak, Alaska
10 hours ago · 27.7 km deep
2.7
57 km SE of Adak, Alaska
13 hours ago · 35.0 km deep
2.6
85 km WSW of Atka, Alaska
1 days ago · 108.6 km deep
3.3
97 km WSW of Nikolski, Alaska
1 days ago · 8.0 km deep
3.4
94 km WSW of Nikolski, Alaska
1 days ago · 5.0 km deep
2.5
90 km WSW of Nikolski, Alaska
1 days ago · 10.0 km deep
2.5
57 km N of Adak, Alaska
2 days ago · 243.4 km deep
2.7
93 km SW of Nikolski, Alaska
2 days ago · 9.5 km deep
2.9
95 km SW of Nikolski, Alaska
2 days ago · 10.0 km deep
2.6
72 km SE of Adak, Alaska
2 days ago · 22.7 km deep

Actions

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Location

Alaska
View all Alaska earthquakes

Understanding This Data

Magnitude 3.9 earthquakes are typically only recorded by instruments.

Intermediate depth (157.5 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