2.9

M2.9 Earthquake 256 km W of Adak, Alaska — August 4, 2026

2026-08-04 20:53:19 UTC (2026-08-04) · approx. 8:53 AM UTC+12 local

MagnitudeM2.9(ml)
Time20:53 UTC≈ 8:53 AM UTC+12
Depth197.9 kmintermediate depth
Coordinates51.989°, 179.648°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 51.99°, 179.65°

Earthquake Details

Magnitude
2.9 ml
Depth
197.9 km
intermediate depth
Location
51.9888°N
179.6483°E

Technical Information

Event ID
us6000tj20
Event Type
earthquake
Status
✓ Reviewed
Significance
129
Stations Used
20
Azimuthal Gap
158.0°
Min Station Distance
0.047°
RMS Residual
0.44 sec
Last Updated
2026-08-20 17:44:05 UTC

Nearby Earthquakes (Last 7 Days)

4.2
167 km S of Adak, Alaska
20 hours ago · 10.0 km deep
3.1
123 km WSW of Adak, Alaska
2 days ago · 35.0 km deep
2.6
73 km SW of Atka, Alaska
2 days ago · 68.4 km deep
2.7
115 km SW of Adak, Alaska
2 days ago · 44.1 km deep
2.7
76 km SSW of Adak, Alaska
2 days ago · 33.3 km deep
2.6
51 km ENE of Adak, Alaska
2 days ago · 146.5 km deep
4.0
244 km ESE of Attu Station, Alaska
3 days ago · 32.1 km deep
3.5
Rat Islands, Aleutian Islands, Alaska
4 days ago · 105.5 km deep
2.5
128 km SW of Adak, Alaska
4 days ago · 27.8 km deep
2.6
129 km SW of Adak, Alaska
4 days ago · 20.8 km deep

Actions

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Location

Alaska
View all Alaska earthquakes

Understanding This Data

Magnitude 2.9 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: us6000tj20). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2026, August 4, 2026). M2.9 Earthquake 256 km W of Adak, Alaska — August 4, 2026. Retrieved August 20, 2026 from https://www.earthquaketracker.org/earthquakes/event/us6000tj20/