2.7

M2.7 Earthquake 123 km WSW of Adak, Alaska — July 28, 2021

2021-07-28 20:30:38 UTC (2021-07-28) · approx. 8:30 AM UTC-12 local

MagnitudeM2.7(ml)
Time20:30 UTC≈ 8:30 AM UTC-12
Depth29.0 kmshallow crustal
Coordinates51.368°, -178.226°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 51.37°, -178.23°

Earthquake Details

Magnitude
2.7 ml
Depth
29.0 km
shallow crustal
Location
51.3679°N
-178.2259°E

Technical Information

Event ID
us7000f7n9
Event Type
earthquake
Status
✓ Reviewed
Significance
112
Azimuthal Gap
209.0°
Min Station Distance
0.412°
RMS Residual
0.67 sec
Last Updated
2021-10-03 05:25:17 UTC

Nearby Earthquakes (Last 7 Days)

3.5
126 km WSW of Adak, Alaska
23 hours ago · 13.6 km deep
2.7
Rat Islands, Aleutian Islands, Alaska
2 days ago · 35.2 km deep
3.5
148 km WSW of Adak, Alaska
3 days ago · 0.1 km deep
2.9
170 km WSW of Nikolski, Alaska
5 days ago · 96.8 km deep
2.7
42 km NNW of Atka, Alaska
5 days ago · 199.1 km deep
2.7
262 km WSW of Adak, Alaska
5 days ago · 18.2 km deep
2.7
Rat Islands, Aleutian Islands, Alaska
5 days ago · 61.6 km deep
3.2
169 km WSW of Nikolski, Alaska
6 days ago · 96.9 km deep

Actions

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Location

Alaska
View all Alaska earthquakes

Understanding This Data

Magnitude 2.7 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: us7000f7n9). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2021, July 28, 2021). M2.7 Earthquake 123 km WSW of Adak, Alaska — July 28, 2021. Retrieved October 3, 2021 from https://www.earthquaketracker.org/earthquakes/event/us7000f7n9/