events
June 23, 2001
The 8.4 Mw southern Peru earthquake shakes coastal Peru with a maximum Mercalli intensity of VIII (Severe). A destructive tsunami followed, leaving at least 74 people dead, and 2,687 injured.
2001 southern Peru earthquake
The 2001 southern Peru earthquake occurred at 20:33:15 UTC on June 23 with a moment magnitude of 8.4 and a maximum Mercalli intensity of XII (Extreme). The quake affected the Peruvian regions of Arequipa, Moquegua and Tacna. It was the most devastating earthquake in Peru since the catastrophic 1970 Ancash earthquake and globally the largest earthquake since the 1965 Rat Islands earthquake.
Modified Mercalli intensity scale
The Modified Mercalli intensity scale measures the effects of an earthquake at a given location. This is in contrast with the seismic magnitude usually reported for an earthquake.