Earthquake · Reviewed by USGS

M1.7 earthquake 50 km S of Cantwell, Alaska

A magnitude 1.7 earthquake struck 50 km S of Cantwell, Alaska at Oct 21, 2026, 20:21 UTC, at a depth of 69 km. The epicentre was 182 km (113 mi) N of Eagle River.

Details

Magnitude	1.7 ml
Time	Oct 21, 2026, 20:21 UTC
Depth	68.6 km
Coordinates	62.938, -149.067
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
1.9	42 km NE of Chase, Alaska	34 km / 21 mi	depth 64 km	Oct 26, 16:52 UTC
1.9	56 km N of Petersville, Alaska	90 km / 56 mi	depth 111 km	Oct 26, 13:58 UTC
1.7	71 km N of Petersville, Alaska	77 km / 48 mi	depth 121 km	Oct 26, 04:40 UTC
1.1	18 km W of Healy, Alaska	100 km / 62 mi	depth 120 km	Oct 25, 16:14 UTC
2.1	59 km SE of Denali National Park, Alaska	93 km / 58 mi	depth 132 km	Oct 25, 14:43 UTC
1.5	63 km N of Chickaloon, Alaska	68 km / 42 mi	depth 29 km	Oct 25, 08:56 UTC
1.2	41 km N of Chickaloon, Alaska	90 km / 56 mi	depth 50 km	Oct 25, 05:55 UTC
2.3	53 km N of Chase, Alaska	58 km / 36 mi	depth 87 km	Oct 25, 04:49 UTC
3.3	52 km SSW of Cantwell, Alaska	9 km / 6 mi	depth 76 km	Oct 24, 22:35 UTC
2.1	65 km N of Petersville, Alaska	91 km / 56 mi	depth 127 km	Oct 24, 17:14 UTC
2.1	36 km ESE of Cantwell, Alaska	49 km / 30 mi	depth 72 km	Oct 24, 13:29 UTC
2.4	42 km NNW of Petersville, Alaska	97 km / 60 mi	depth 106 km	Oct 24, 05:50 UTC
2.8	71 km ESE of Denali National Park, Alaska	78 km / 49 mi	depth 123 km	Oct 24, 05:03 UTC
1.8	24 km E of Susitna North, Alaska	84 km / 52 mi	depth 5 km	Oct 23, 20:26 UTC
1.9	5 km WNW of Trapper Creek, Alaska	93 km / 58 mi	depth 5 km	Oct 23, 18:33 UTC
1.7	72 km ESE of Denali National Park, Alaska	77 km / 48 mi	depth 116 km	Oct 23, 14:58 UTC
1.9	42 km N of Petersville, Alaska	82 km / 51 mi	depth 91 km	Oct 23, 11:51 UTC
1.9	63 km SE of Cantwell, Alaska	51 km / 32 mi	depth 69 km	Oct 23, 07:55 UTC
1.3	21 km ESE of Susitna North, Alaska	94 km / 58 mi	depth 5 km	Oct 23, 07:47 UTC
1.8	54 km SSE of Cantwell, Alaska	24 km / 15 mi	depth 0 km	Oct 23, 05:57 UTC
2.1	63 km SW of Cantwell, Alaska	50 km / 31 mi	depth 86 km	Oct 23, 05:04 UTC
2.2	10 km ESE of Petersville, Alaska	93 km / 58 mi	depth 71 km	Oct 22, 14:20 UTC
2.9	51 km N of Sutton-Alpine, Alaska	79 km / 49 mi	depth 17 km	Oct 22, 07:00 UTC
2.5	71 km N of Petersville, Alaska	80 km / 50 mi	depth 115 km	Oct 21, 20:30 UTC
1.6	41 km N of Chase, Alaska	48 km / 30 mi	depth 13 km	Oct 21, 12:29 UTC

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