M5.3 earthquake 108 km SSE of Colchane, Chile
A magnitude 5.3 earthquake struck 108 km SSE of Colchane, Chile on Sat, Dec 20, 2025, 5:30 PM GMT-3 (20:30 UTC), 151 km (94 mi) below the surface.
A larger quake followed: M5.7 79 km ENE of La Tirana, Chile. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.3 (Mww, W-phase moment), moderate
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2025-12-20 20:30:24 UTC
- Depth
- 151.4 km (94.1 mi), intermediate-depth
- Epicenter
- 20.118° S, 68.107° W
- Region
- Chile
- Felt reports
- 1
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Magnitude estimates
Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.
| Mag. | Scale | Computed by | Notes |
|---|---|---|---|
| 5.3 | Mww, W-phase moment | USGS National Earthquake Information Center | Preferred · Reviewed · ±0.048 · 42 stations |
| 5.3 | Mww, W-phase moment | USGS, automatic first solution | First automatic solution · Confirmed |
Did you feel it?
1 person reported to the USGS what they felt; the strongest reported shaking was II, weak shaking.
Fault motion and ground failure
How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.
- Faulting
- Oblique reverse
- Moment magnitude
- 5.3 Mww
- Nodal plane 1
- Strike 279°, dip 83°, rake 41°
- Nodal plane 2
- Strike 183°, dip 49°, rake 171°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 6.4 km horizontally, 4.9 km in depth
- Magnitude uncertainty
- ±0.05
- Depth from
- From location
- Station coverage gap
- 40°
- Stations used
- 95
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.3 and up: 3 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.692 km E of Colchane, Chile · 265 days ago · 10 km deep · 91 km away
- 5.779 km ENE of La Tirana, Chile · 236 days ago · 114 km deep · 86 km away · felt by 25
- 4.495 km W of Colchani, Bolivia · 230 days ago · 172 km deep · 40 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000rw89 (also filed as usauto6000rw89). Read Fri, Oct 2, 2026, 4:35 AM UTC.