Chile earthquakes

M4.6 earthquake 73 km SE of Arica, Chile

A magnitude 4.6 earthquake struck 73 km SE of Arica, Chile on Fri, Feb 3, 2023, 6:50 AM GMT-3 (09:50 UTC), 101 km (63 mi) below the surface.

Arica forecast More in Chile

Map

Where this earthquake was located, with the others nearby. Select one for its page.

Open the live map with earthquakes

The earthquake

Magnitude: 4.6 (Mwr, regional moment), light
Magnitude from: USGS National Earthquake Information Center
Local time: Fri, Feb 3, 2023, 6:50 AM GMT-3
UTC: 2023-02-03 09:50:51 UTC
Depth: 101.2 km (62.9 mi), intermediate-depth
Epicenter: 18.862° S, 69.729° W
Region: Chile
Felt reports: 3
Tsunami flag: No
Status: Reviewed by a seismologist

Did you feel it?

3 people reported to the USGS what they felt; the strongest reported shaking was III, weak shaking.

Did You Feel It? map: shaking reported by the public — Shaking reported by the public, by area. Map: USGS Did You Feel It?

Fault motion and ground failure

How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.

Faulting: Strike-slip
Moment magnitude: 4.6 Mwr
Nodal plane 1: Strike 312°, dip 83°, rake -171°
Nodal plane 2: Strike 220°, dip 81°, rake -7°

How well it is located

Reviewed by a seismologist.

Location uncertainty: About 6.6 km horizontally, 6.0 km in depth
Magnitude uncertainty: ±0.09
Depth from: From location
Station coverage gap: 98°
Stations used: 92

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.6 and up: 5 in the 60 days after this one and 4 in the 30 days before it.

After

Before

Earthquakes today Chile earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000jl5c. Read Sun, Oct 4, 2026, 8:40 PM UTC.