4.6

136 km SW of Adak, Alaska

2026-02-17 23:12:44 UTC (1 days ago)

Loading map...

Earthquake Details

Magnitude
4.6 mb
Depth
10.0 km
Shallow
Location
50.9635°N
-177.9510°E
Intensity (MMI)
4.1
Moderate

Technical Information

Event ID
us6000s9w4
Event Type
earthquake
Status
✓ Reviewed
Significance
326
Stations Used
63
Azimuthal Gap
180.0°
Min Station Distance
0.794°
RMS Residual
0.83 sec
Last Updated
2026-02-18 05:29:11 UTC

Nearby Earthquakes (Last 7 Days)

4.6
228 km W of Adak, Alaska
10 hours ago · 127.8 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
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
3.5
Rat Islands, Aleutian Islands, Alaska
1 days ago · 69.0 km deep
3.7
37 km ENE of Adak, Alaska
2 days ago · 144.5 km deep
2.6
46 km WSW of Atka, Alaska
2 days ago · 110.2 km deep
2.5
141 km WSW of Adak, Alaska
3 days ago · 42.6 km deep

Actions

View on USGSDid You Feel It?

Location

Alaska
View all Alaska earthquakes

Understanding This Data

Magnitude 4.6 earthquakes are often felt but rarely cause damage.

Shallow depth (10.0 km): Shallow earthquakes often cause more damage at the surface.

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