M4.2 earthquake 50 km WSW of Copiapó, Chile
A magnitude 4.2 earthquake struck 50 km WSW of Copiapó, Chile on Tue, Nov 10, 2020, 3:14 AM GMT-3 (06:14 UTC), 48 km (30 mi) below the surface.
A larger quake followed: M4.3 122 km NW of Vallenar, Chile. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.2 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2020-11-10 06:14:33 UTC
- Depth
- 48.3 km (30.0 mi), shallow
- Epicenter
- 27.517° S, 70.811° W
- Region
- Chile
- 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 |
|---|---|---|---|
| 4.2 | mb, body-wave | USGS National Earthquake Information Center | Preferred · Reviewed · ±0.306 · 3 stations |
| 4.3 | mb, body-wave | USGS National Earthquake Information Center | Preliminary · ±0.308 · 3 stations |
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 4.9 km horizontally, 6.2 km in depth
- Magnitude uncertainty
- ±0.31
- Depth from
- From location
- Station coverage gap
- 127°
- Stations used
- 52
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 2 in the 30 days before it.
After
- 4.2117 km NW of Vallenar, Chile · 2140 days ago · 21 km deep · 72 km away
- 4.3122 km NW of Vallenar, Chile · 2136 days ago · 10 km deep · 76 km away
- 3.968 km NW of Vallenar, Chile · 2127 days ago · 30 km deep · 94 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000cdbm (also filed as us7000ccrz). Read Fri, Oct 2, 2026, 6:27 PM UTC.