Earthquake · Reviewed by USGS

M1.6 earthquake 20 km WNW of Petersville, Alaska

A magnitude 1.6 earthquake struck 20 km WNW of Petersville, Alaska at Oct 21, 2026, 00:48 UTC, at a depth of 86 km. The epicentre was 159 km (99 mi) NNW of Eagle River.

Details

Magnitude	1.6 ml
Time	Oct 21, 2026, 00:48 UTC
Depth	86.1 km
Coordinates	62.547, -151.150
Felt reports	0
Tsunami flag	None
Source	USGS event page

Fig. 1The epicentre and other earthquakes within 100 km, since the day before

01 — Nearby

Nearest cities

02 — Around it

Other earthquakes within 100 km

Other earthquakes within 100 km since the day before this event
Magnitude	Location	Distance	Depth	Time
1.7	71 km N of Petersville, Alaska	72 km / 45 mi	depth 121 km	Oct 26, 04:40 UTC
1.5	48 km SSE of Denali National Park, Alaska	67 km / 42 mi	depth 5 km	Oct 25, 23:03 UTC
1.9	32 km S of Denali National Park, Alaska	82 km / 51 mi	depth 5 km	Oct 25, 18:08 UTC
2.1	59 km SE of Denali National Park, Alaska	74 km / 46 mi	depth 132 km	Oct 25, 14:43 UTC
2.3	53 km N of Chase, Alaska	64 km / 40 mi	depth 87 km	Oct 25, 04:49 UTC
1.9	7 km SE of Skwentna, Alaska	67 km / 42 mi	depth 79 km	Oct 25, 04:25 UTC
2.4	33 km SW of Skwentna, Alaska	93 km / 58 mi	depth 106 km	Oct 25, 03:46 UTC
2.1	65 km N of Petersville, Alaska	62 km / 38 mi	depth 127 km	Oct 24, 17:14 UTC
2.4	42 km NNW of Petersville, Alaska	37 km / 23 mi	depth 106 km	Oct 24, 05:50 UTC
2.8	71 km ESE of Denali National Park, Alaska	80 km / 50 mi	depth 123 km	Oct 24, 05:03 UTC
1.8	24 km E of Susitna North, Alaska	99 km / 61 mi	depth 5 km	Oct 23, 20:26 UTC
1.9	5 km WNW of Trapper Creek, Alaska	49 km / 30 mi	depth 5 km	Oct 23, 18:33 UTC
1.6	32 km NW of Willow, Alaska	75 km / 47 mi	depth 57 km	Oct 23, 16:16 UTC
1.7	72 km ESE of Denali National Park, Alaska	89 km / 55 mi	depth 116 km	Oct 23, 14:58 UTC
2.0	27 km WNW of Willow, Alaska	85 km / 53 mi	depth 55 km	Oct 23, 13:40 UTC
1.9	42 km N of Petersville, Alaska	43 km / 27 mi	depth 91 km	Oct 23, 11:51 UTC
1.3	21 km ESE of Susitna North, Alaska	100 km / 62 mi	depth 5 km	Oct 23, 07:47 UTC
2.1	63 km SW of Cantwell, Alaska	83 km / 52 mi	depth 86 km	Oct 23, 05:04 UTC
1.9	35 km WNW of Willow, Alaska	77 km / 48 mi	depth 15 km	Oct 22, 15:42 UTC
2.2	10 km ESE of Petersville, Alaska	31 km / 19 mi	depth 71 km	Oct 22, 14:20 UTC
2.1	12 km S of Susitna North, Alaska	87 km / 54 mi	depth 50 km	Oct 22, 08:20 UTC
1.7	36 km WSW of Petersville, Alaska	25 km / 15 mi	depth 86 km	Oct 22, 00:28 UTC
2.6	70 km N of Petersville, Alaska	70 km / 44 mi	depth 116 km	Oct 21, 20:30 UTC
2.0	34 km WSW of Skwentna, Alaska	91 km / 56 mi	depth 112 km	Oct 21, 17:48 UTC
1.7	31 km ENE of Skwentna, Alaska	49 km / 31 mi	depth 68 km	Oct 21, 15:22 UTC

USGS can revise magnitude and location after the first report. See magnitude vs intensity and aftershocks.