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Tsunamis

Explore significant tsunami events from around the world, including warnings, observations, affected regions, and related seismic information. ArxModern organizes source-based tsunami coverage into clear event-focused pages and updates existing information when reliable data changes.

1952-11-04 tsunami – KAMCHATKA: Historical Tsunami Record and Measurements

August 29, 2026August 23, 2026

Examine the historical record and measurements of the November 4, 1952 tsunami in Kamchatka, featuring a magnitude 9.0 earthquake and a maximum water height of 23.0 meters.

Categories Tsunamis

1952-04-10 tsunami – COLUMBIA RIVER VALLEY, WA: Historical Tsunami Record and Measurements

August 29, 2026August 23, 2026

Examines the historical tsunami event recorded on April 10, 1952, in the Columbia River Valley, Washington, detailing its measurements and NOAA/NCEI database classification.

Categories Tsunamis

1949-07-27 tsunami – COLUMBIA RIVER VALLEY, WA: Historical Tsunami Record and Measurements

August 29, 2026August 23, 2026

Examine the historical NOAA/NCEI tsunami record for the Columbia River Valley, Washington, on July 27, 1949, including its maximum recorded water height.

Categories Tsunamis

1946-12-20 tsunami – HONSHU: S COAST: Historical Tsunami Record and Measurements

August 29, 2026August 23, 2026

Examine the historical record, earthquake parameters, and maximum water height measurements for the December 20, 1946 tsunami along the southern coast of Honshu, Japan.

Categories Tsunamis

1946-08-04 tsunami – NORTHEASTERN COAST: Historical Tsunami Record and Measurements

August 29, 2026August 23, 2026

Examine the historical record and measurements of the August 4, 1946 tsunami along the northeastern coast of the Dominican Republic, associated with a 7.9 magnitude earthquake.

Categories Tsunamis

1946-04-01 tsunami – UNIMAK ISLAND, AK: Historical Tsunami Record and Measurements

September 4, 2026August 23, 2026

Historical data and scientific measurements from the April 1, 1946 tsunami generated near Unimak Island, Alaska, following a magnitude 8.6 earthquake.

Categories Tsunamis

1945-11-27 tsunami – MAKRAN COAST: Historical Tsunami Record and Measurements

August 29, 2026August 23, 2026

Examine the historical record, earthquake parameters, and maximum wave measurements for the November 27, 1945 tsunami along the Makran Coast in Pakistan.

Categories Tsunamis

1944-12-07 tsunami – OFF SOUTHEAST COAST KII PENINSULA: Historical Tsunami Record and Measurements

September 4, 2026August 23, 2026

On December 7, 1944 CE, a magnitude 8.1 earthquake off the southeast coast of Japan’s Kii Peninsula generated a tsunami with maximum water heights reaching 10.0 meters, causing significant casualties.

Categories Tsunamis

1936-10-27 tsunami – LITUYA BAY, AK: Historical Tsunami Record and Measurements

August 29, 2026August 23, 2026

Official historical record and measurements for the October 27, 1936 tsunami in Lituya Bay, Alaska, including location coordinates, time, and recorded maximum water height of 149.35 meters.

Categories Tsunamis

1933-03-02 tsunami – SANRIKU: Historical Tsunami Record and Measurements

August 29, 2026August 23, 2026

Examine the official NOAA/NCEI record of the March 2, 1933 Sanriku tsunami in Japan, triggered by an 8.4-magnitude earthquake, which reached a maximum water height of 29.0 meters and resulted in 3,022 deaths.

Categories Tsunamis
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