Historic Earthquake

1918 Chile Earthquake

4 December 1918 · Copiapo · Chile

On 4 December 1918 at 11:47 UTC, a magnitude 7.8 earthquake struck Chile (Copiapo). It occurred on the South American Plate, 114 km from its boundary with the Nazca Plate (subduction zone). It triggered a tsunami.

Date

4 December 1918

Time

11:47 UTC

Magnitude

7.8

Tsunami

See the tsunami (5.0 m wave)

Plate

South American Plate

Country

Chile

Nearby Major Earthquakes

Other major earthquakes recorded within 300 km.

• 1987Antofagasta, Arica · M 7.31 deaths
• 1983Northern, Copoapo-Chanaral · M 7.35 deaths
• 19661966 Chile Earthquake · M 7.83 deaths
• 1946Northern · M 7.92 deaths
• 1939North Central · M 7.4
• 19221922 Vallenar Earthquake · M 8.5700 deaths
• 1918Northern · M 7.9
• 1909Chile · M 7.6

Sources: NOAA National Centers for Environmental Information, Global Significant Earthquake Database (doi:10.7289/V5TD9V7K) · Wikidata · Bird (2003), PB2002 · Natural Earth