2.8

M2.8 Earthquake 147 km WSW of Adak, Alaska — April 18, 2026

2026-04-18 00:47:40 UTC (1 day ago)

Map showing earthquake epicenter at 51.19°, -178.46°

Earthquake Details

Magnitude
2.8 ml
Depth
37.9 km
shallow crustal
Location
51.1904°N
-178.4573°E

Technical Information

Event ID
us6000sr10
Event Type
earthquake
Status
✓ Reviewed
Significance
121
Stations Used
15
Azimuthal Gap
220.0°
Min Station Distance
0.427°
RMS Residual
0.86 sec
Last Updated
2026-04-18 02:39:12 UTC

Nearby Earthquakes (Last 7 Days)

3.3
103 km SE of Adak, Alaska
9 hours ago · 12.3 km deep
5.0
216 km WSW of Adak, Alaska
1 day ago · 35.0 km deep
3.2
99 km WSW of Adak, Alaska
1 day ago · 54.5 km deep
4.1
236 km ESE of Attu Station, Alaska
1 day ago · 10.0 km deep
3.9
66 km ENE of Adak, Alaska
1 day ago · 145.0 km deep
3.4
186 km WSW of Adak, Alaska
2 days ago · 27.5 km deep
2.5
82 km SSE of Adak, Alaska
2 days ago · 25.0 km deep
2.6
79 km ESE of Adak, Alaska
2 days ago · 50.1 km deep
3.7
234 km ESE of Attu Station, Alaska
2 days ago · 10.0 km deep
3.3
131 km SE of Atka, Alaska
2 days ago · 83.1 km deep

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Location

Alaska
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Understanding This Data

Magnitude 2.8 earthquakes are typically only recorded by instruments.

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