Historic Tsunami

1919 United States of America Tsunami

2 October 1919 · Alika, Hawaii · United States of America

On 2 October 1919, a tsunami formed near Alika, Hawaii, United States of America. It was caused by a volcano and landslide. Waves reached up to 4.3 m high. It was observed at 3 locations.

Date

2 October 1919

Cause

Volcano and landslide

Highest Wave

4.3 m

Observation Sites

3

Furthest Reach

47 km

Source Country

United States of America

Triggering Volcano

Mauna Loa

Highest Waves

• 4.3 mHoopuloa, Hawaii, Hi · United States of America · 3 km
• 2.4 mKeauhou, Hawaii, Hi · United States of America · 38 km
• 0.9 mKailua, Hawaii, Hi · United States of America · 47 km

Other Major Tsunamis in the Region

• 1975Hawaii, United States of America · 14.3 m2 deaths
• 1952Hawaii, United States of America · 3.0 m
• 1951Hawaii, United States of America · 3.6 m

Sources: NOAA National Centers for Environmental Information, Global Historical Tsunami Database (doi:10.7289/V5PN93H7) · Natural Earth