World Map › Major Earthquakes Since 1900 › 1974
Historic Earthquake
1974 Chile Earthquake
18 August 1974 · La Union, Valdivia · Chile
On 18 August 1974 at 10:44 UTC, a magnitude 7.1 earthquake struck Chile (La Union, Valdivia), at a depth of 36 km. It occurred on the South American Plate, 117 km from its boundary with the Nazca Plate (subduction zone). It triggered a tsunami.
- Date
- 18 August 1974
- Time
- 10:44 UTC
- Magnitude
- 7.1
- Depth
- 36 km
- Maximum Intensity
- VI (Mercalli)
- Tsunami
- Yes
- Plate
- South American Plate
- Country
- Chile
- Nearest Volcano
- Llaima (147 km)
Nearby Major Earthquakes
Other major earthquakes recorded within 300 km.
- 20102010 Chile Earthquake · M 8.8558 deaths
- 1975Central · M 7.7
- 1960Concepcion · M 7.4
- 19601960 Valdivia Earthquake · M 9.52,226 deaths
- 19601960 Concepción Earthquake · M 8.2
- 19531953 Concepción Earthquake · M 7.69 deaths
- 1949Angol, Traiguen · M 7.357 deaths
- 19391939 Chillán Earthquake · M 8.330,000 deaths
Sources: NOAA National Centers for Environmental Information, Global Significant Earthquake Database (doi:10.7289/V5TD9V7K) · Wikidata · Bird (2003), PB2002 · Natural Earth