M4.1 earthquake 12 km WNW of Calama, Chile
A magnitude 4.1 earthquake struck 12 km WNW of Calama, Chile on Sun, Oct 20, 2019, 11:45 PM GMT-3 (02:45 UTC), 103 km (64 mi) below the surface.
A larger quake followed: M4.5 85 km NNE of Calama, Chile. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.1 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2019-10-21 02:45:04 UTC
- Depth
- 102.9 km (63.9 mi), intermediate-depth
- Epicenter
- 22.405° S, 69.033° 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 4.5 km horizontally, 6.8 km in depth
- Magnitude uncertainty
- ±0.30
- Depth from
- From location
- Station coverage gap
- 99°
- Stations used
- 28
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 8 in the 60 days after this one and 4 in the 30 days before it.
After
- 4.022 km E of Calama, Chile · 2529 days ago · 99 km deep · 34 km away
- 3.977 km NNE of Calama, Chile · 2509 days ago · 99 km deep · 80 km away
- 4.387 km NNE of Calama, Chile · 2502 days ago · 137 km deep · 88 km away
- 4.225 km WSW of Calama, Chile · 2494 days ago · 88 km deep · 21 km away
- 4.315 km NNW of Calama, Chile · 2490 days ago · 116 km deep · 11 km away
- 4.434 km ENE of Calama, Chile · 2488 days ago · 112 km deep · 43 km away
- 4.585 km NNE of Calama, Chile · 2480 days ago · 119 km deep · 88 km away
- 4.152 km NNE of Calama, Chile · 2479 days ago · 122 km deep · 54 km away
Before
- 4.062 km SSW of Calama, Chile · 2553 days ago · 69 km deep · 63 km away
- 5.767 km NNE of Calama, Chile · 2553 days ago · 119 km deep · 69 km away · felt by 16
- 5.632 km NNE of Calama, Chile · 2559 days ago · 117 km deep · 34 km away · felt by 11
- 4.684 km SSW of Calama, Chile · 2562 days ago · 106 km deep · 88 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us70005wj2. Read Fri, Oct 2, 2026, 6:00 AM UTC.