2.8

M2.8 Earthquake 90 km SE of Atka, Alaska — August 11, 2021

2021-08-11 23:13:21 UTC (2021-08-11) · approx. 11:13 AM UTC-12 local

MagnitudeM2.8(ml)
Time23:13 UTC≈ 11:13 AM UTC-12
Depth35.0 kmshallow crustal
Coordinates51.723°, -173.130°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 51.72°, -173.13°

Earthquake Details

Magnitude
2.8 ml
Depth
35.0 km
shallow crustal
Location
51.7229°N
-173.1296°E

Technical Information

Event ID
us6000f8lc
Event Type
earthquake
Status
✓ Reviewed
Significance
121
Azimuthal Gap
210.0°
Min Station Distance
0.814°
RMS Residual
0.43 sec
Last Updated
2021-10-23 15:46:54 UTC

Nearby Earthquakes (Last 7 Days)

3.5
148 km WSW of Adak, Alaska
2 days ago · 0.1 km deep
3.9
166 km WSW of Nikolski, Alaska
2 days ago · 129.5 km deep
3.6
167 km WSW of Nikolski, Alaska
3 days ago · 105.6 km deep
3.5
145 km SW of Nikolski, Alaska
3 days ago · 35.0 km deep
3.2
169 km WSW of Nikolski, Alaska
3 days ago · 101.4 km deep
3.5
168 km SW of Nikolski, Alaska
3 days ago · 103.5 km deep
4.6
102 km WSW of Nikolski, Alaska
4 days ago · 87.3 km deep
4.0
85 km SSW of Nikolski, Alaska
5 days ago · 40.5 km deep
4.0
166 km SW of Nikolski, Alaska
5 days ago · 12.9 km deep
3.6
47 km WSW of Nikolski, Alaska
5 days ago · 70.3 km deep

Actions

View on USGSDid You Feel It?

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: us6000f8lc). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2021, August 11, 2021). M2.8 Earthquake 90 km SE of Atka, Alaska — August 11, 2021. Retrieved October 23, 2021 from https://www.earthquaketracker.org/earthquakes/event/us6000f8lc/