Alaska earthquakes

Between Oct 28, 2025 and Oct 28, 2026, the USGS recorded 8,822 earthquakes of magnitude 2.5 or greater in or near Alaska. The largest was M 6.5, 170 km W of Nikolski, Alaska, on Sep 17, 2026. 67 happened in the past 7 days.

This is not an early-warning system. For tsunami warnings see tsunami.gov; for emergencies follow local authorities.

Past 7 days

Updated Oct 28, 2026, 8:25 AM EDT (USGS snapshot)

Alaska: M 2.5+ earthquakes, past 7 days
Magnitude	Location	Time	Depth
M 3.0	25 km ESE of Kasilof, Alaska	Oct 28, 2026, 6:56 AM EDT 1 hr ago	70.5 km
M 2.8	66 km SE of King Salmon, Alaska	Oct 28, 2026, 2:32 AM EDT 6 hr ago	160.6 km
M 3.5	27 km E of Point Possession, Alaska	Oct 27, 2026, 8:48 PM EDT 12 hr ago	43.0 km
M 4.2	161 km SSE of Atka, Alaska	Oct 27, 2026, 5:07 PM EDT 15 hr ago	10.0 km
M 3.4	110 km SSW of Nikolski, Alaska	Oct 27, 2026, 2:41 PM EDT 18 hr ago	10.9 km
M 3.6	18 km E of Susitna North, Alaska	Oct 27, 2026, 1:16 PM EDT 19 hr ago	28.3 km
M 2.8	13 km SW of Tyonek, Alaska	Oct 27, 2026, 11:54 AM EDT 21 hr ago	73.5 km
M 2.5	123 km SSE of Unalaska, Alaska	Oct 27, 2026, 6:44 AM EDT 26 hr ago	10.0 km
M 2.8	247 km ESE of Chiniak, Alaska	Oct 27, 2026, 4:49 AM EDT 28 hr ago	10.0 km
M 2.5	80 km E of Chignik, Alaska	Oct 27, 2026, 2:42 AM EDT 30 hr ago	18.5 km
M 3.3	272 km SE of Chiniak, Alaska	Oct 26, 2026, 4:10 PM EDT 40 hr ago	10.0 km
M 2.8	88 km ENE of McCarthy, Alaska	Oct 26, 2026, 10:02 AM EDT 46 hr ago	5.0 km
M 4.6	81 km SSE of Akutan, Alaska	Oct 26, 2026, 7:38 AM EDT 2 days ago	35.0 km
M 4.6	153 km WNW of Adak, Alaska	Oct 25, 2026, 1:49 PM EDT 3 days ago	152.9 km
M 2.7	69 km SE of Yakutat, Alaska	Oct 25, 2026, 10:31 AM EDT 3 days ago	10.0 km
M 2.9	297 km WSW of Pelican, Alaska	Oct 25, 2026, 6:32 AM EDT 3 days ago	10.0 km
M 2.7	188 km SSE of Old Harbor, Alaska	Oct 25, 2026, 6:17 AM EDT 3 days ago	10.0 km
M 2.9	35 km WNW of Kalifornsky, Alaska	Oct 25, 2026, 3:46 AM EDT 3 days ago	80.5 km
M 4.3	81 km SSE of Akutan, Alaska	Oct 25, 2026, 3:45 AM EDT 3 days ago	34.7 km
M 4.6	82 km SSE of Akutan, Alaska	Oct 25, 2026, 3:44 AM EDT 3 days ago	35.1 km
M 2.5	38 km SSW of Dry Creek, Alaska	Oct 25, 2026, 3:08 AM EDT 3 days ago	0.2 km
M 3.3	52 km SSW of Cantwell, Alaska	Oct 24, 2026, 6:35 PM EDT 4 days ago	76.4 km
M 2.7	108 km NNE of Arctic Village, Alaska	Oct 24, 2026, 11:54 AM EDT 4 days ago	1.7 km
M 2.5	30 km W of Anderson, Alaska	Oct 24, 2026, 6:20 AM EDT 4 days ago	12.8 km
M 4.5	81 km SSE of Akutan, Alaska	Oct 24, 2026, 4:33 AM EDT 4 days ago	35.0 km
M 3.3	108 km NNE of Arctic Village, Alaska	Oct 24, 2026, 1:58 AM EDT 4 days ago	10.4 km
M 3.5	11 km NNE of Atka, Alaska	Oct 24, 2026, 1:57 AM EDT 4 days ago	206.3 km
M 2.8	71 km ESE of Denali National Park, Alaska	Oct 24, 2026, 1:03 AM EDT 4 days ago	123.1 km
M 2.8	29 km WNW of Atka, Alaska	Oct 23, 2026, 11:05 PM EDT 4 days ago	199.2 km
M 3.1	286 km SW of Yakutat, Alaska	Oct 23, 2026, 10:14 PM EDT 4 days ago	0.0 km
M 3.2	135 km SW of Nikolski, Alaska	Oct 23, 2026, 9:42 PM EDT 4 days ago	0.0 km
M 3.4	176 km WSW of Yakutat, Alaska	Oct 23, 2026, 9:00 PM EDT 4 days ago	10.0 km
M 3.1	68 km SE of Yakutat, Alaska	Oct 23, 2026, 7:41 PM EDT 5 days ago	1.0 km
M 4.6	100 km NNW of Nikolski, Alaska	Oct 23, 2026, 7:08 PM EDT 5 days ago	230.5 km
M 2.8	14 km NNW of Beluga, Alaska	Oct 23, 2026, 6:29 PM EDT 5 days ago	75.2 km
M 3.1	48 km WNW of Nanwalek, Alaska	Oct 23, 2026, 3:10 PM EDT 5 days ago	93.4 km
M 2.7	77 km SSW of Adak, Alaska	Oct 23, 2026, 9:11 AM EDT 5 days ago	25.9 km
M 3.8	80 km ESE of Adak, Alaska	Oct 23, 2026, 8:30 AM EDT 5 days ago	29.1 km
M 2.8	77 km E of Nikolski, Alaska	Oct 23, 2026, 6:27 AM EDT 5 days ago	62.1 km
M 3.7	40 km SSE of Nikolski, Alaska	Oct 23, 2026, 5:18 AM EDT 5 days ago	131.1 km
M 2.8	66 km WNW of Happy Valley, Alaska	Oct 23, 2026, 3:14 AM EDT 5 days ago	122.4 km
M 4.2	99 km SSE of Sand Point, Alaska	Oct 23, 2026, 2:44 AM EDT 5 days ago	36.9 km
M 3.2	44 km SW of Sand Point, Alaska	Oct 22, 2026, 10:49 PM EDT 5 days ago	26.9 km
M 2.7	92 km S of King Cove, Alaska	Oct 22, 2026, 8:17 PM EDT 6 days ago	3.0 km
M 4.0	169 km S of False Pass, Alaska	Oct 22, 2026, 5:42 PM EDT 6 days ago	10.0 km
M 3.9	203 km SSE of King Cove, Alaska	Oct 22, 2026, 2:36 PM EDT 6 days ago	10.0 km
M 2.6	86 km SSE of Igiugig, Alaska	Oct 22, 2026, 11:19 AM EDT 6 days ago	136.4 km
M 2.9	64 km ENE of Lake Minchumina, Alaska	Oct 22, 2026, 6:42 AM EDT 6 days ago	12.9 km
M 2.9	51 km N of Sutton-Alpine, Alaska	Oct 22, 2026, 3:00 AM EDT 6 days ago	16.8 km
M 2.7	17 km W of Happy Valley, Alaska	Oct 22, 2026, 12:39 AM EDT 6 days ago	88.1 km
M 2.8	151 km S of False Pass, Alaska	Oct 21, 2026, 5:47 PM EDT 7 days ago	34.3 km
M 2.6	72 km SE of Adak, Alaska	Oct 21, 2026, 5:38 PM EDT 7 days ago	22.3 km
M 3.1	129 km E of McCarthy, Alaska	Oct 21, 2026, 5:22 PM EDT 7 days ago	4.3 km
M 2.5	151 km S of False Pass, Alaska	Oct 21, 2026, 5:11 PM EDT 7 days ago	19.6 km
M 2.5	71 km N of Petersville, Alaska	Oct 21, 2026, 4:30 PM EDT 7 days ago	114.7 km
M 2.6	6 km SSE of Akhiok, Alaska	Oct 21, 2026, 4:29 PM EDT 7 days ago	65.2 km
M 3.8	150 km S of False Pass, Alaska	Oct 21, 2026, 4:08 PM EDT 7 days ago	16.9 km
M 2.5	64 km SW of Akhiok, Alaska	Oct 21, 2026, 3:51 PM EDT 7 days ago	2.0 km
M 2.9	121 km SSW of Nikolski, Alaska	Oct 21, 2026, 3:20 PM EDT 7 days ago	17.3 km
M 2.8	149 km S of False Pass, Alaska	Oct 21, 2026, 1:28 PM EDT 7 days ago	2.0 km
M 3.1	88 km S of Sand Point, Alaska	Oct 21, 2026, 10:55 AM EDT 7 days ago	3.3 km
M 2.7	147 km S of False Pass, Alaska	Oct 21, 2026, 10:53 AM EDT 7 days ago	7.9 km
M 2.5	155 km S of False Pass, Alaska	Oct 21, 2026, 10:26 AM EDT 7 days ago	7.6 km
M 3.3	237 km SE of Attu Station, Alaska	Oct 21, 2026, 9:57 AM EDT 7 days ago	5.0 km
M 2.5	139 km S of Unalaska, Alaska	Oct 21, 2026, 9:38 AM EDT 7 days ago	2.6 km
M 3.2	240 km SSE of False Pass, Alaska	Oct 21, 2026, 8:58 AM EDT 7 days ago	21.3 km
M 2.6	151 km S of False Pass, Alaska	Oct 21, 2026, 8:39 AM EDT 7 days ago	17.5 km

By size, past year

M 2.5–2.9

5,382

M 3–3.9

2,895

M 4–4.9

477

M 5–5.9

M 6+

Latest 50 earthquakes (M 2.5+)

Alaska: latest M 2.5+ earthquakes in the past year
Magnitude	Location	Time	Depth
M 3.0	25 km ESE of Kasilof, Alaska	Oct 28, 2026, 6:56 AM EDT 2 hr ago	70.5 km
M 2.8	66 km SE of King Salmon, Alaska	Oct 28, 2026, 2:32 AM EDT 6 hr ago	160.6 km
M 3.5	27 km E of Point Possession, Alaska	Oct 27, 2026, 8:48 PM EDT 12 hr ago	43.0 km
M 4.2	161 km SSE of Atka, Alaska	Oct 27, 2026, 5:07 PM EDT 15 hr ago	10.0 km
M 3.4	110 km SSW of Nikolski, Alaska	Oct 27, 2026, 2:41 PM EDT 18 hr ago	10.9 km
M 3.6	18 km E of Susitna North, Alaska	Oct 27, 2026, 1:16 PM EDT 19 hr ago	28.3 km
M 2.8	13 km SW of Tyonek, Alaska	Oct 27, 2026, 11:54 AM EDT 21 hr ago	73.5 km
M 2.5	123 km SSE of Unalaska, Alaska	Oct 27, 2026, 6:44 AM EDT 26 hr ago	10.0 km
M 2.8	247 km ESE of Chiniak, Alaska	Oct 27, 2026, 4:49 AM EDT 28 hr ago	10.0 km
M 2.5	80 km E of Chignik, Alaska	Oct 27, 2026, 2:42 AM EDT 30 hr ago	18.5 km
M 3.3	272 km SE of Chiniak, Alaska	Oct 26, 2026, 4:10 PM EDT 40 hr ago	10.0 km
M 2.8	88 km ENE of McCarthy, Alaska	Oct 26, 2026, 10:02 AM EDT 46 hr ago	5.0 km
M 4.6	81 km SSE of Akutan, Alaska	Oct 26, 2026, 7:38 AM EDT 2 days ago	35.0 km
M 4.6	153 km WNW of Adak, Alaska	Oct 25, 2026, 1:49 PM EDT 3 days ago	152.9 km
M 2.7	69 km SE of Yakutat, Alaska	Oct 25, 2026, 10:31 AM EDT 3 days ago	10.0 km
M 2.9	297 km WSW of Pelican, Alaska	Oct 25, 2026, 6:32 AM EDT 3 days ago	10.0 km
M 2.7	188 km SSE of Old Harbor, Alaska	Oct 25, 2026, 6:17 AM EDT 3 days ago	10.0 km
M 2.9	35 km WNW of Kalifornsky, Alaska	Oct 25, 2026, 3:46 AM EDT 3 days ago	80.5 km
M 4.3	81 km SSE of Akutan, Alaska	Oct 25, 2026, 3:45 AM EDT 3 days ago	34.7 km
M 4.6	82 km SSE of Akutan, Alaska	Oct 25, 2026, 3:44 AM EDT 3 days ago	35.1 km
M 2.5	38 km SSW of Dry Creek, Alaska	Oct 25, 2026, 3:08 AM EDT 3 days ago	0.2 km
M 3.3	52 km SSW of Cantwell, Alaska	Oct 24, 2026, 6:35 PM EDT 4 days ago	76.4 km
M 2.7	108 km NNE of Arctic Village, Alaska	Oct 24, 2026, 11:54 AM EDT 4 days ago	1.7 km
M 2.5	30 km W of Anderson, Alaska	Oct 24, 2026, 6:20 AM EDT 4 days ago	12.8 km
M 4.5	81 km SSE of Akutan, Alaska	Oct 24, 2026, 4:33 AM EDT 4 days ago	35.0 km
M 3.3	108 km NNE of Arctic Village, Alaska	Oct 24, 2026, 1:58 AM EDT 4 days ago	10.4 km
M 3.5	11 km NNE of Atka, Alaska	Oct 24, 2026, 1:57 AM EDT 4 days ago	206.3 km
M 2.8	71 km ESE of Denali National Park, Alaska	Oct 24, 2026, 1:03 AM EDT 4 days ago	123.1 km
M 2.8	29 km WNW of Atka, Alaska	Oct 23, 2026, 11:05 PM EDT 4 days ago	199.2 km
M 3.1	286 km SW of Yakutat, Alaska	Oct 23, 2026, 10:14 PM EDT 4 days ago	0.0 km
M 3.2	135 km SW of Nikolski, Alaska	Oct 23, 2026, 9:42 PM EDT 4 days ago	0.0 km
M 3.4	176 km WSW of Yakutat, Alaska	Oct 23, 2026, 9:00 PM EDT 4 days ago	10.0 km
M 3.1	68 km SE of Yakutat, Alaska	Oct 23, 2026, 7:41 PM EDT 5 days ago	1.0 km
M 4.6	100 km NNW of Nikolski, Alaska	Oct 23, 2026, 7:08 PM EDT 5 days ago	230.5 km
M 2.8	14 km NNW of Beluga, Alaska	Oct 23, 2026, 6:29 PM EDT 5 days ago	75.2 km
M 3.1	48 km WNW of Nanwalek, Alaska	Oct 23, 2026, 3:10 PM EDT 5 days ago	93.4 km
M 2.7	77 km SSW of Adak, Alaska	Oct 23, 2026, 9:11 AM EDT 5 days ago	25.9 km
M 3.8	80 km ESE of Adak, Alaska	Oct 23, 2026, 8:30 AM EDT 5 days ago	29.1 km
M 2.8	77 km E of Nikolski, Alaska	Oct 23, 2026, 6:27 AM EDT 5 days ago	62.1 km
M 3.7	40 km SSE of Nikolski, Alaska	Oct 23, 2026, 5:18 AM EDT 5 days ago	131.1 km
M 2.8	66 km WNW of Happy Valley, Alaska	Oct 23, 2026, 3:14 AM EDT 5 days ago	122.4 km
M 4.2	99 km SSE of Sand Point, Alaska	Oct 23, 2026, 2:44 AM EDT 5 days ago	36.9 km
M 3.2	44 km SW of Sand Point, Alaska	Oct 22, 2026, 10:49 PM EDT 5 days ago	26.9 km
M 2.7	92 km S of King Cove, Alaska	Oct 22, 2026, 8:17 PM EDT 6 days ago	3.0 km
M 4.0	169 km S of False Pass, Alaska	Oct 22, 2026, 5:42 PM EDT 6 days ago	10.0 km
M 3.9	203 km SSE of King Cove, Alaska	Oct 22, 2026, 2:36 PM EDT 6 days ago	10.0 km
M 2.6	86 km SSE of Igiugig, Alaska	Oct 22, 2026, 11:19 AM EDT 6 days ago	136.4 km
M 2.9	64 km ENE of Lake Minchumina, Alaska	Oct 22, 2026, 6:42 AM EDT 6 days ago	12.9 km
M 2.9	51 km N of Sutton-Alpine, Alaska	Oct 22, 2026, 3:00 AM EDT 6 days ago	16.8 km
M 2.7	17 km W of Happy Valley, Alaska	Oct 22, 2026, 12:39 AM EDT 6 days ago	88.1 km

Largest of the past year

Alaska: 10 largest earthquakes, past 365 days
Magnitude	Location	Time	Depth
M 6.5(tsunami flag)	170 km W of Nikolski, Alaska PAGER green	Sep 17, 2026, 10:19 AM EDT 41 days ago	98.0 km
M 6.4(tsunami flag)	223 km ESE of Attu Station, Alaska PAGER green	Mar 4, 2026, 12:54 PM EST 238 days ago	10.0 km
M 6.3(tsunami flag)	92 km SSW of Nikolski, Alaska PAGER green	Sep 3, 2026, 7:17 AM EDT 55 days ago	21.0 km
M 6.1	Rat Islands, Aleutian Islands, Alaska	May 9, 2026, 12:42 AM EDT 172 days ago	16.3 km
M 6.0(tsunami flag)	96 km SW of Nikolski, Alaska PAGER green	Feb 23, 2026, 12:11 AM EST 247 days ago	14.0 km
M 6.0(tsunami flag)	12 km WNW of Susitna, Alaska PAGER green	Nov 27, 2025, 12:11 PM EST 335 days ago	69.4 km
M 5.9(tsunami flag)	280 km ESE of Attu Station, Alaska PAGER green	Jan 15, 2026, 3:52 AM EST 286 days ago	19.0 km
M 5.8	103 km SE of Atka, Alaska PAGER green	Jul 26, 2026, 4:35 AM EDT 94 days ago	12.0 km
M 5.8	296 km WSW of Adak, Alaska PAGER green	May 9, 2026, 12:42 AM EDT 172 days ago	37.4 km
M 5.8	233 km ESE of Attu Station, Alaska PAGER green	May 6, 2026, 10:15 AM EDT 175 days ago	10.0 km

Month by month

M 2.5+ earthquakes per month (UTC)
Month	Quakes
October 2026	450
September 2026	948
August 2026	805
July 2026	795
June 2026	655
May 2026	619
April 2026	627
March 2026	797
February 2026	673
January 2026	754
December 2025	1,317
November 2025	359
October 2025	23

Source: USGS ComCat via the FDSN event web service, snapshot Oct 28, 2026. Matched by the USGS place name.

River gauges in Alaska

Yukon River at Pilot Station, AK · 17.52 ft · 330,000 cfs
Kuskokwim River at Crooked Creek, AK · 6.01 ft · 60,500 cfs
Tanana River at Nenana, AK · 2.53 ft

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