NOAA / NCEI
Tsunamis in United States
68 confirmed tsunamis originating in United States. Highest documented wave: 524.6 m (SE. Alaska, Ak, 1958).
Map of observation sites
Tsunami source locations; colour and size show the highest documented water height. Click to open the event.
All documented events
68| Date | Location / station | Magnitude | Maximum documented water height | Deaths | Observation records |
|---|---|---|---|---|---|
| Aug 10, 2025, 1:26 PM UTC | Tracy Arm, Ak | — | 481.0 m | — | 178 |
| Jul 16, 2025, 8:37 PM UTC | Sand Point, Ak | 7.3 | 0.10 m | — | 2 |
| Dec 5, 2024, 6:44 PM UTC | Cape Mendocino, N. California | 7.0 | 0.09 m | — | 3 |
| Aug 7, 2024, 12:54 PM UTC | Pedersen Lagoon, Ak | — | 62.0 m | — | 4 |
| Jul 16, 2023, 6:48 AM UTC | Sand Point, Ak | 7.2 | 0.15 m | 1 | 2 |
| Jul 29, 2021, 6:15 AM UTC | Kodiak Island, Ak | 8.2 | 0.42 m | — | 63 |
| Oct 19, 2020, 8:54 PM UTC | Shumagin Islands, Ak | 7.6 | 0.76 m | — | 33 |
| Jul 22, 2020, 6:12 AM UTC | Shumagin Islands, Ak | 7.8 | 0.24 m | — | 13 |
| May 4, 2018, 10:32 PM UTC | Hawaii | 6.9 | 0.40 m | — | 7 |
| Jan 23, 2018, 9:31 AM UTC | Kodiak Island, Ak | 7.9 | 0.25 m | — | 64 |
| Oct 18, 2015, 5:19 AM UTC | Taan Fjord, Ak | — | 193.0 m | — | 316 |
| Jun 23, 2014, 8:53 PM UTC | Aleutian Islands, Ak | 7.9 | 0.17 m | — | 20 |
| Jan 5, 2013, 8:58 AM UTC | SE. Alaska, Ak | 7.5 | 1.50 m | — | 8 |
| Jun 24, 2011, 3:09 AM UTC | Atka, Aleutian Islands, Ak | 7.3 | 0.10 m | — | 7 |
| Jun 15, 2005, 2:50 AM UTC | N. California | 7.2 | 0.10 m | — | 5 |
| Nov 17, 2003, 6:43 AM UTC | Rat Islands, Aleutian Islands, Ak | 7.8 | 0.33 m | — | 20 |
| Jun 10, 1996, 3:24 PM UTC | Andreanof Islands, Ak | 7.3 | 0.18 m | — | 1 |
| Jun 10, 1996, 4:03 AM UTC | Andreanof Islands, Ak | 7.9 | 0.51 m | — | 65 |
| Nov 4, 1994, 4:12 AM UTC | Skagway, Ak | — | 9.00 m | 1 | 2 |
| Sep 1, 1994, 3:15 PM UTC | N. California | 7.0 | 0.07 m | — | 1 |
| Apr 25, 1992, 6:06 PM UTC | Cape Mendocino, N. California | 7.2 | 1.80 m | — | 14 |
| Oct 18, 1989, 12:04 AM UTC | N. California | 6.9 | 1.00 m | 62 | 4 |
| Sep 4, 1989, 1:14 PM UTC | Semidi Islands, Ak | 7.1 | 0.10 m | — | 2 |
| Jun 26, 1989, 3:27 AM UTC | Hawaii | 6.5 | 0.29 m | — | 3 |
| Mar 6, 1988, 10:35 PM UTC | Gulf of Alaska, Ak | 7.8 | 0.19 m | — | 9 |
| Nov 30, 1987, 7:23 PM UTC | Gulf of Alaska, Ak | 7.9 | 0.43 m | — | 10 |
| Nov 17, 1987, 8:46 AM UTC | Gulf of Alaska, Ak | 7.2 | 0.06 m | — | 1 |
| May 7, 1986, 10:47 PM UTC | Andreanof Islands, Ak | 8.0 | 0.90 m | — | 66 |
| May 18, 1980 | Washington | — | 250.0 m | 61 | 2 |
| Feb 28, 1979, 9:27 PM UTC | SE. Alaska, Ak | 7.5 | 0.15 m | — | 2 |
| Nov 29, 1975, 2:47 PM UTC | Hawaii | 7.7 | 14.3 m | 2 | 84 |
| Jul 30, 1972, 9:45 PM UTC | SE. Alaska, Ak | 7.6 | 0.10 m | — | 3 |
| May 2, 1971, 6:08 AM UTC | Andreanof Islands, Ak | 7.1 | 0.04 m | — | 1 |
| Jul 2, 1965, 8:58 PM UTC | Fox Islands, Aleutian Islands, Ak | 6.5 | 0.08 m | — | 3 |
| Mar 30, 1965, 2:27 AM UTC | Rat Islands, Aleutian Islands, Ak | 7.6 | 0.10 m | — | 3 |
| Feb 4, 1965, 5:01 AM UTC | Rat Islands, Aleutian Islands, Ak | 8.7 | 10.7 m | — | 83 |
| Mar 28, 1964, 3:36 AM UTC | Prince William Sound, Ak | 9.2 | 51.8 m | 139 | 426 |
| Jul 10, 1958, 6:15 AM UTC | SE. Alaska, Ak | 7.8 | 524.6 m | 5 | 17 |
| Mar 9, 1957, 2:22 PM UTC | Andreanof Islands, Ak | 8.6 | 32.0 m | 2 | 332 |
| Feb 16, 1953, 11:43 AM UTC | Columbia River Valley, Wa | — | 4.80 m | — | — |
| May 6, 1952 | Lake Huron, Mi | — | 1.52 m | — | 3 |
| Apr 10, 1952, 11:00 AM UTC | Columbia River Valley, Wa | — | 19.8 m | — | 1 |
| Mar 17, 1952, 3:58 AM UTC | Hawaii | 4.5 | 3.00 m | — | 2 |
| Aug 21, 1951, 10:57 AM UTC | Hawaii | 6.9 | 3.60 m | — | 7 |
| Jul 27, 1949, 6:00 PM UTC | Columbia River Valley, Wa | — | 19.8 m | — | 1 |
| Apr 16, 1949, 10:55 AM UTC | Puget Sound, Wa | — | 2.40 m | — | 1 |
| Apr 1, 1946, 12:29 PM UTC | Unimak Island, Ak | 8.6 | 42.0 m | 168 | 618 |
| Nov 10, 1938, 8:18 PM UTC | Shumagin Islands, Ak | 8.2 | 0.30 m | — | 9 |
| Oct 27, 1936, 3:50 PM UTC | Lituya Bay, Ak | — | 149.4 m | — | 1 |
| Mar 7, 1929, 1:34 AM UTC | Fox Islands, Aleutian Islands, Ak | 7.8 | 1.00 m | — | 7 |
| Nov 4, 1927, 1:50 PM UTC | S. California | 7.3 | 1.80 m | — | 8 |
| Oct 2, 1919 | Alika, Hawaii | — | 4.30 m | — | 3 |
| Sep 21, 1908, 6:31 AM UTC | Hawaii | 6.8 | 1.20 m | — | 1 |
| Apr 18, 1906, 1:12 PM UTC | N. California | 7.9 | 0.10 m | — | 3 |
| Jul 4, 1905 | Disenchantment Bay, Ak | — | 33.5 m | — | 4 |
| Aug 11, 1900, 4:40 AM UTC | Lituya Bay, Ak | — | — | 5 | 1 |
| Sep 10, 1899, 9:41 PM UTC | Yakutat Bay, Ak | 8.2 | 61.0 m | — | 12 |
| Sep 4, 1899, 12:22 AM UTC | Cape Yakataga, Ak | 8.2 | 3.10 m | — | 4 |
| Sep 1, 1886, 2:51 AM UTC | Charleston, Sc | 7.3 | — | — | 3 |
| Oct 6, 1883, 7:04 PM UTC | Cook Inlet, Ak | — | 9.14 m | 8 | 3 |
| Aug 23, 1872, 6:06 PM UTC | Fox Islands, Aleutian Islands, Ak | — | 1.30 m | — | 8 |
| Apr 3, 1868, 2:24 AM UTC | Hawaii | 7.9 | 13.7 m | 77 | 26 |
| May 27, 1862, 8:00 PM UTC | S. California | 5.9 | 1.20 m | — | 1 |
| 1853 | Lituya Bay, Ak | — | 120.0 m | some (about 51–100) | 1 |
| Dec 21, 1812, 7:00 PM UTC | S. California | 7.5 | 3.40 m | 1 | 5 |
| Aug 6, 1788 | Shumagin Islands, Ak | 8.0 | 88.0 m | many (about 101–1,000) | 3 |
| Jul 21, 1788 | Alaska Peninsula, Ak | 8.0 | 30.0 m | many (about 101–1,000) | 4 |
| Jan 27, 1700, 5:00 AM UTC | Cascadia Subduction Zone | 9.0 | — | 2 | 7 |
Source: NOAA National Centers for Environmental Information (NCEI), Global Historical Tsunami Database. Confirmed events only. Deaths and damage are database estimates; older records are incomplete. Water heights come from different types of observation.