M4.4 earthquake 40 km SE of Calana, Peru
A magnitude 4.4 earthquake struck 40 km SE of Calana, Peru on Thu, Sep 9, 2021, 10:25 PM GMT-5 (03:25 UTC), 97 km (60 mi) below the surface.
A larger quake followed: M4.6 75 km ESE 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
- 4.4 (Mwr, regional moment), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2021-09-10 03:25:38 UTC
- Depth
- 96.9 km (60.2 mi), intermediate-depth
- Epicenter
- 18.203° S, 69.914° W
- Region
- Peru
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 5.8 km horizontally, 4.9 km in depth
- Depth from
- From location
- Station coverage gap
- 93°
- Stations used
- 46
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 5 in the 30 days before it.
After
- 4.0115 km E of Arica, Chile · 1837 days ago · 138 km deep · 86 km away · felt by 1
- 4.675 km ESE of Palca, Peru · 1807 days ago · 3 km deep · 75 km away
- 4.172 km SE of Palca, Peru · 1792 days ago · 131 km deep · 41 km away
Before
- 4.378 km ESE of Palca, Peru · 1857 days ago · 170 km deep · 73 km away
- 4.340 km ENE of Palca, Peru · 1859 days ago · 162 km deep · 68 km away
- 4.317 km WNW of Palca, Peru · 1866 days ago · 102 km deep · 60 km away · felt by 1
- 4.725 km N of Arica, Chile · 1868 days ago · 84 km deep · 40 km away · felt by 2
- 4.449 km SE of Calana, Peru · 1872 days ago · 133 km deep · 9 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000f9wf. Read Sat, Oct 3, 2026, 8:11 AM UTC.