2.9

M2.9 Earthquake 256 km WSW of Adak, Alaska — August 20, 2021

2021-08-20 21:32:08 UTC (2021-08-20) · approx. 9:32 AM UTC+12 local

MagnitudeM2.9(ml)
Time21:32 UTC≈ 9:32 AM UTC+12
Depth25.1 kmshallow crustal
Coordinates51.258°, 179.794°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 51.26°, 179.79°

Earthquake Details

Magnitude
2.9 ml
Depth
25.1 km
shallow crustal
Location
51.2577°N
179.7941°E

Technical Information

Event ID
us7000f6kp
Event Type
earthquake
Status
✓ Reviewed
Significance
129
Azimuthal Gap
218.0°
Min Station Distance
0.331°
RMS Residual
0.69 sec
Last Updated
2021-11-02 14:55:47 UTC

Nearby Earthquakes (Last 7 Days)

3.5
148 km WSW of Adak, Alaska
1 day ago · 0.1 km deep
3.6
109 km SE of Atka, Alaska
4 days ago · 35.0 km deep
3.3
Rat Islands, Aleutian Islands, Alaska
5 days ago · 53.2 km deep
2.5
55 km SSE of Atka, Alaska
5 days ago · 52.8 km deep
3.7
178 km SE of Attu Station, Alaska
6 days ago · 10.0 km deep
2.8
242 km SW of Adak, Alaska
6 days ago · 5.0 km deep
2.9
125 km WSW of Adak, Alaska
6 days ago · 10.6 km deep
2.6
66 km SE of Adak, Alaska
6 days ago · 35.1 km deep
2.5
135 km SW of Adak, Alaska
6 days ago · 19.5 km deep
3.0
132 km WSW of Adak, Alaska
6 days ago · 35.9 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: us7000f6kp). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2021, August 20, 2021). M2.9 Earthquake 256 km WSW of Adak, Alaska — August 20, 2021. Retrieved November 2, 2021 from https://www.earthquaketracker.org/earthquakes/event/us7000f6kp/