World Map › Major Earthquakes Since 1900 › 1991
Historic Earthquake
1991 Peru Earthquake
23 July 1991 · Maca, Chivay · Peru
On 23 July 1991 at 19:44 UTC, a magnitude 4.7 earthquake struck Peru (Maca, Chivay), at a depth of 5 km. It occurred on the Altiplano Plate, 312 km from its boundary with the Nazca Plate (subduction zone). It killed at least 92 people and injured 30.
- Date
- 23 July 1991
- Time
- 19:44 UTC
- Magnitude
- 4.7
- Depth
- 5 km
- Maximum Intensity
- V (Mercalli)
- Deaths
- 92
- Injuries
- 30
- Plate
- Altiplano Plate
- Country
- Peru
- Nearest Volcano
- Sabancaya (33 km)
Nearby Major Earthquakes
Other major earthquakes recorded within 300 km.
- 2001Arequipa, Arica · M 7.61 deaths
- 20012001 Southern Peru Earthquake · M 8.4103 deaths
- 1960Arequipa, Chuquibamba · M 7.863 deaths
- 1952Peru · M 7.5
- 1951Peru · M 7.9
- 1950Peru · M 7.9
- 1913Caraveli, Chuquibamba · M 7.9
- 1906Off South Coast · M 7.9
Sources: NOAA National Centers for Environmental Information, Global Significant Earthquake Database (doi:10.7289/V5TD9V7K) · Wikidata · Bird (2003), PB2002 · Natural Earth