2.8

M2.8 Earthquake 78 km SW of Adak, Alaska — October 20, 2020

2020-10-20 21:45:23 UTC (2020-10-20) · approx. 9:45 AM UTC-12 local

MagnitudeM2.8(ml)
Time21:45 UTC≈ 9:45 AM UTC-12
Depth28.6 kmshallow crustal
Coordinates51.420°, -177.509°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 51.42°, -177.51°

Earthquake Details

Magnitude
2.8 ml
Depth
28.6 km
shallow crustal
Location
51.4205°N
-177.5092°E

Technical Information

Event ID
us7000c8al
Event Type
earthquake
Status
✓ Reviewed
Significance
121
Azimuthal Gap
202.0°
Min Station Distance
0.380°
RMS Residual
0.44 sec
Last Updated
2020-12-29 23:08:06 UTC

Nearby Earthquakes (Last 7 Days)

3.4
160 km SW of Nikolski, Alaska
3 hours ago · 22.7 km deep
2.5
128 km SW of Adak, Alaska
6 hours ago · 27.8 km deep
3.9
209 km SSE of Atka, Alaska
10 hours ago · 10.0 km deep
3.5
66 km SE of Atka, Alaska
3 days ago · 35.0 km deep
4.1
93 km SW of Atka, Alaska
3 days ago · 50.3 km deep
4.1
34 km S of Adak, Alaska
3 days ago · 49.1 km deep
4.0
75 km SE of Adak, Alaska
4 days ago · 17.3 km deep
4.2
286 km W of Adak, Alaska
6 days ago · 119.2 km deep

Actions

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Location

Alaska
View all Alaska earthquakes

Understanding This Data

Magnitude 2.8 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: us7000c8al). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2020, October 20, 2020). M2.8 Earthquake 78 km SW of Adak, Alaska — October 20, 2020. Retrieved December 29, 2020 from https://www.earthquaketracker.org/earthquakes/event/us7000c8al/