M4.2 earthquake 25 km WSW of Calama, Chile
A magnitude 4.2 earthquake struck 25 km WSW of Calama, Chile on Wed, Dec 4, 2019, 2:36 AM GMT-3 (05:36 UTC), 88 km (55 mi) below the surface.
A larger quake followed: M4.5 Antofagasta, 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
- 2019-12-04 05:36:59 UTC
- Depth
- 88.1 km (54.7 mi), intermediate-depth
- Epicenter
- 22.555° S, 69.153° W
- Region
- Chile
- 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 7.2 km horizontally, 4.9 km in depth
- Magnitude uncertainty
- ±0.21
- Depth from
- From location
- Station coverage gap
- 59°
- Stations used
- 38
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 10 in the 60 days after this one and 0 in the 30 days before it.
After
- 4.315 km NNW of Calama, Chile · 2490 days ago · 116 km deep · 32 km away
- 4.434 km ENE of Calama, Chile · 2488 days ago · 112 km deep · 61 km away
- 4.152 km NNE of Calama, Chile · 2479 days ago · 122 km deep · 74 km away
- 4.5Antofagasta, Chile · 2472 days ago · 101 km deep · 79 km away
- 4.2104 km SSW of Calama, Chile · 2471 days ago · 84 km deep · 86 km away
- 4.315 km NNE of Calama, Chile · 2469 days ago · 117 km deep · 40 km away · felt by 1
- 4.1Chile-Bolivia border region · 2458 days ago · 131 km deep · 100 km away
- 4.069 km NNE of Calama, Chile · 2455 days ago · 119 km deep · 91 km away
- 4.272 km SW of San Pedro de Atacama, Chile · 2453 days ago · 99 km deep · 91 km away
- 4.245 km SSE of Calama, Chile · 2443 days ago · 116 km deep · 54 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us60006lvi. Read Fri, Oct 2, 2026, 7:28 AM UTC.