2.5

M2.5 Earthquake 86 km ENE of Chignik, Alaska — September 17, 2021

2021-09-17 18:35:37 UTC (2021-09-17) · approx. 8:35 AM UTC-10 local

MagnitudeM2.5(ml)
Time18:35 UTC≈ 8:35 AM UTC-10
Depth11.8 kmshallow crustal
Coordinates56.530°, -157.067°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 56.53°, -157.07°

Earthquake Details

Magnitude
2.5 ml
Depth
11.8 km
shallow crustal
Location
56.5297°N
-157.0668°E

Technical Information

Event ID
ak021byann7a
Event Type
earthquake
Status
✓ Reviewed
Significance
96
RMS Residual
0.58 sec
Last Updated
2021-12-03 15:01:20 UTC

Nearby Earthquakes (Last 7 Days)

2.6
50 km WNW of Nanwalek, Alaska
1 hour ago · 90.6 km deep
2.8
64 km ESE of Pedro Bay, Alaska
3 hours ago · 102.1 km deep
3.6
55 km SE of Chignik, Alaska
13 hours ago · 33.7 km deep
2.5
14 km WNW of Anchor Point, Alaska
19 hours ago · 70.7 km deep
2.5
74 km WNW of Ninilchik, Alaska
21 hours ago · 139.5 km deep
2.5
25 km S of Port Graham, Alaska
23 hours ago · 54.8 km deep
2.6
55 km W of Anchor Point, Alaska
1 day ago · 98.9 km deep
2.6
33 km NW of Nanwalek, Alaska
1 day ago · 68.1 km deep
2.6
90 km N of Karluk, Alaska
1 day ago · 5.0 km deep
2.6
41 km W of Ninilchik, Alaska
1 day ago · 94.7 km deep

Actions

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Location

Alaska
View all Alaska earthquakes

Understanding This Data

Magnitude 2.5 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: ak021byann7a). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2021, September 17, 2021). M2.5 Earthquake 86 km ENE of Chignik, Alaska — September 17, 2021. Retrieved December 3, 2021 from https://www.earthquaketracker.org/earthquakes/event/ak021byann7a/