M4.1 earthquake 34 km ESE of Palca, Peru
A magnitude 4.1 earthquake struck 34 km ESE of Palca, Peru on Fri, Feb 19, 2021, 1:27 PM GMT-5 (18:27 UTC), 142 km (88 mi) below the surface.
A larger quake followed: M4.5 18 km E of Estique, Peru. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.1 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2021-02-19 18:27:10 UTC
- Depth
- 142.4 km (88.5 mi), intermediate-depth
- Epicenter
- 17.939° S, 69.684° W
- Region
- Peru
- Felt reports
- 1
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
1 person reported to the USGS what they felt; the strongest reported shaking was I, not felt shaking.
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 7.1 km horizontally, 6.9 km in depth
- Magnitude uncertainty
- ±0.20
- Depth from
- From location
- Station coverage gap
- 154°
- Stations used
- 26
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 6 in the 60 days after this one and 4 in the 30 days before it.
After
- 4.3102 km ESE of Arica, Chile · 2037 days ago · 144 km deep · 90 km away · felt by 1
- 4.518 km E of Estique, Peru · 2036 days ago · 10 km deep · 46 km away · felt by 1
- 4.119 km NE of Palca, Peru · 2029 days ago · 4 km deep · 39 km away · felt by 1
- 4.215 km E of Tarata, Peru · 2028 days ago · 10 km deep · 57 km away
- 4.33 km SSW of Chuquitira, Peru · 2015 days ago · 140 km deep · 80 km away
- 4.56 km WNW of Sama Grande, Peru · 1993 days ago · 28 km deep · 94 km away · felt by 7
Before
- 4.421 km ESE of Estique, Peru · 2056 days ago · 10 km deep · 42 km away
- 4.836 km ESE of Arica, Chile · 2062 days ago · 96 km deep · 83 km away · felt by 2
- 4.557 km SSE of Palca, Peru · 2072 days ago · 117 km deep · 36 km away · felt by 1
- 3.198 km E of Arica, Chile · 2076 days ago · 134 km deep · 77 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000diz4. Read Sat, Oct 3, 2026, 8:10 AM UTC.