M3.6 earthquake 26 km ESE of Estique, Peru
A magnitude 3.6 earthquake struck 26 km ESE of Estique, Peru on Tue, Jul 28, 2020, 10:53 PM GMT-5 (03:53 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M4.5 80 km ENE of Palca, Peru. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.6 (Mwr, regional moment), minor
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2020-07-29 03:53:00 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 17.609° S, 69.779° 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 III, weak shaking.
Fault motion and ground failure
How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.
- Faulting
- Normal
- Moment magnitude
- 3.6 Mwr
- Nodal plane 1
- Strike 4°, dip 80°, rake -86°
- Nodal plane 2
- Strike 159°, dip 11°, rake -114°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 3.6 km horizontally, 2.0 km in depth
- Magnitude uncertainty
- ±0.08
- Depth from
- Operator assigned
- Station coverage gap
- 170°
- Stations used
- 23
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 3 in the 60 days after this one and 10 in the 30 days before it.
After
- 4.231 km ENE of Chuquitira, Peru · 2221 days ago · 152 km deep · 45 km away
- 4.580 km ENE of Palca, Peru · 2207 days ago · 152 km deep · 59 km away
- 4.149 km E of Arica, Chile · 2203 days ago · 103 km deep · 99 km away · felt by 1
Before
- 4.520 km E of Estique, Peru · 2260 days ago · 10 km deep · 8 km away · felt by 1
- 4.129 km NE of Palca, Peru · 2260 days ago · 10 km deep · 4 km away
- 4.819 km E of Estique, Peru · 2260 days ago · 17 km deep · 12 km away · felt by 1
- 4.415 km E of Tarata, Peru · 2260 days ago · 10 km deep · 19 km away · felt by 1
- 4.125 km E of Estique, Peru · 2260 days ago · 10 km deep · 11 km away
- 4.518 km E of Estique, Peru · 2260 days ago · 10 km deep · 11 km away · felt by 1
- 4.222 km E of Estique, Peru · 2260 days ago · 18 km deep · 5 km away · felt by 1
- 4.114 km ENE of Estique, Peru · 2261 days ago · 10 km deep · 17 km away
- 4.915 km E of Tarata, Peru · 2261 days ago · 10 km deep · 18 km away · felt by 6
- 4.37 km ENE of Estique, Peru · 2278 days ago · 10 km deep · 21 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000b5ts. Read Sat, Oct 3, 2026, 2:02 PM UTC.