World Map › Major Earthquakes Since 1900 › 1991
Historic Earthquake
1990–91 Alto Mayo Earthquakes
5 April 1991 · Rioja, Moyobamba · Peru
On 5 April 1991 at 04:19 UTC, a magnitude 6.7 earthquake struck Peru (Rioja, Moyobamba), at a depth of 20 km. It occurred on the South American Plate, 473 km from its boundary with the North Andes Plate (continental transform fault). It killed at least 53 people and injured 252.
- Date
- 5 April 1991
- Time
- 04:19 UTC
- Magnitude
- 6.7
- Depth
- 20 km
- Maximum Intensity
- VII (Mercalli)
- Deaths
- 53
- Injuries
- 252
- Homes Damaged
- 8,063
- Plate
- South American Plate
- Country
- Peru
Nearby Major Earthquakes
Other major earthquakes recorded within 300 km.
- 20212021 Amazonas Earthquake · M 7.5
- 20192019 Peru Earthquake · M 8.02 deaths
- 20052005 Northern Peru Earthquake · M 7.55 deaths
- 1983Chimbote · M 6.510 deaths
- 1968San Martin, Moyobamba · M 6.815 deaths
- 19461946 Ancash Earthquake · M 7.3800 deaths
- 1928Peru · M 7.0
- 19281928 Chachapoyas Earthquake · M 7.329 deaths
Sources: NOAA National Centers for Environmental Information, Global Significant Earthquake Database (doi:10.7289/V5TD9V7K) · Wikidata · Bird (2003), PB2002 · Natural Earth