20 Sept 2026, 17:10 UTC · Sep 20, 1:10 PM ET

M3.6 earthquake 55 km SE of Chignik, Alaska

A magnitude 3.6 earthquake struck 55 km SE of Chignik, Alaska at Sep 20, 1:10 PM ET, 34 km deep, minor – felt by people near the epicenter.

M3.4 92 km SE of Perryville, AlaskaM3.4 86 km ENE of Chignik, AlaskaM3.5 150 km SE of Chignik, AlaskaM3.5 54 km SE of Perryville, AlaskaM3.6 55 km SE of Chignik, AlaskaM3.6 15 km NNW of Chignik Lagoon, AlaskaM3.9 125 km SE of Perryville, AlaskaM3.9 85 km ESE of Chignik, AlaskaM4.0 119 km E of Chignik, AlaskaM4.3 120 km E of Chignik, AlaskaM4.4 71 km ESE of Chignik, AlaskaM4.4 100 km SE of Chignik, AlaskaM4.6 114 km E of Chignik, Alaska
under 33–44–55–66+
Magnitude3.6 ml
Time20 Sept 2026, 17:10 UTC
Location55.946°, -157.772° – 55 km SE of Chignik, Alaska
Depth33.7 km
Felt reports0
Max. estimated intensity (MMI)2.5
USGS eventaka2026srgcdi
Within 100 km

Other earthquakes nearby this year

Mag.WhereWhen (ET)DepthFelt
4.6114 km E of Chignik, AlaskaSep 24, 3:05 AM
388 d ago
45 km2 reports
4.471 km ESE of Chignik, AlaskaDec 3, 8:17 AM
317 d ago
9 km2 reports
4.4100 km SE of Chignik, AlaskaNov 12, 9:37 AM
338 d ago
29 km–
4.3120 km E of Chignik, AlaskaNov 23, 7:53 AM
327 d ago
31 km–
4.0119 km E of Chignik, AlaskaSep 15, 10:32 AM
31 d ago
18 km–
3.9125 km SE of Perryville, AlaskaAug 29, 6:38 PM
48 d ago
118 km–
3.985 km ESE of Chignik, AlaskaAug 8, 9:57 PM
69 d ago
47 km–
3.615 km NNW of Chignik Lagoon, AlaskaAug 2, 5:05 AM
75 d ago
5 km2 reports
3.5150 km SE of Chignik, AlaskaOct 12, 7:23 PM
4 d ago
7 km–
3.554 km SE of Perryville, AlaskaAug 16, 4:05 AM
62 d ago
42 km–
3.492 km SE of Perryville, AlaskaOct 15, 10:12 PM
19 h ago
5 km–
3.486 km ENE of Chignik, AlaskaAug 2, 6:03 PM
75 d ago
69 km–
FAQ

About this earthquake

How strong was the 55 km SE of Chignik, Alaska earthquake?

Magnitude 3.6 (ml), minor – felt by people near the epicenter. Depth 34 km. Strongest estimated shaking: intensity 2.5 on the Modified Mercalli scale.

Was it felt?

No felt reports have been submitted to the USGS so far.

Were there aftershocks?

No earthquakes within 100 km have followed so far in our records.

Earthquakes

More

Source: U.S. Geological Survey (USGS) earthquake catalog, real-time feeds and FDSN event service; magnitudes and locations are revised by seismologists for hours after an event. Times are Eastern (ET) unless marked UTC. Not an alert service: for warnings follow local authorities and tsunami centers.

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M3.6 earthquake 55 km SE of Chignik, Alaska — 77.today