Two earthquakes strike southern Peru within hours
A magnitude 5.1 quake hit Arequipa and a 4.5 tremor struck Ica on Sunday morning, with no tsunami risk reported.
KEY POINTS
- Magnitude 5.1 earthquake struck Arequipa at 08:43 local time on October 11
- Magnitude 4.5 earthquake hit Ica region at 06:36 local time same day
- Epicenters near Quilca (Arequipa) and San Juan de Marcona (Ica)
- No tsunami risk declared by civil defense authorities
- Both quakes occurred along the Nazca plate subduction zone
Two earthquakes struck southern Peru on the morning of October 11, 2026, separated by just over two hours. The stronger tremor, magnitude 5.1, occurred at 08:43 local time with its epicenter 16 kilometers southwest of Quilca in the Camaná province of Arequipa, at a depth of 47 kilometers.
Earlier, at 06:36 local time, a magnitude 4.5 quake hit the Ica region, centered 27 kilometers southwest of San Juan de Marcona in Nazca province at a depth of 16 kilometers. The National Emergency Operations Center reported the Arequipa quake was felt with light to moderate intensity in Quilca, while the Ica tremor reached weak to light intensity in San Juan de Marcona.
“The population perceived the movement with an intensity between light and moderate.”
Authorities ruled out any tsunami threat along the Peruvian coast following the Arequipa event. Both regions sit along the Nazca tectonic plate boundary, making them among the most seismically active zones in the country. Ica was previously devastated by a magnitude 7.9 earthquake in 2007 that killed 500 people.
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