M4.5 earthquake 65 km ENE of Calama, Chile
A magnitude 4.5 earthquake struck 65 km ENE of Calama, Chile on Fri, Sep 20, 2019, 9:36 PM GMT-3 (00:36 UTC), 104 km (64 mi) below the surface.
A larger quake followed: M5.7 67 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
- 4.5 (Mwr, regional moment), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2019-09-21 00:36:06 UTC
- Depth
- 103.5 km (64.3 mi), intermediate-depth
- Epicenter
- 22.154° S, 68.382° 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.
Fault motion and ground failure
How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.
- Faulting
- Oblique normal
- Moment magnitude
- 4.5 Mwr
- Nodal plane 1
- Strike 326°, dip 59°, rake -127°
- Nodal plane 2
- Strike 202°, dip 47°, rake -45°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 6.5 km horizontally, 5.8 km in depth
- Magnitude uncertainty
- ±0.05
- Depth from
- From location
- Station coverage gap
- 32°
- Stations used
- 78
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 9 in the 60 days after this one and 5 in the 30 days before it.
After
- 5.632 km NNE of Calama, Chile · 2559 days ago · 117 km deep · 43 km away · felt by 11
- 5.767 km NNE of Calama, Chile · 2553 days ago · 119 km deep · 33 km away · felt by 16
- 4.239 km ENE of San Pedro de Atacama, Chile · 2549 days ago · 160 km deep · 88 km away
- 4.112 km WNW of Calama, Chile · 2538 days ago · 103 km deep · 73 km away
- 4.022 km E of Calama, Chile · 2528 days ago · 99 km deep · 46 km away
- 4.284 km NE of San Pedro de Atacama, Chile · 2528 days ago · 192 km deep · 75 km away
- 4.1110 km NNE of Calama, Chile · 2525 days ago · 132 km deep · 69 km away
- 4.1110 km NE of San Pedro de Atacama, Chile · 2509 days ago · 195 km deep · 85 km away
- 3.977 km NNE of Calama, Chile · 2509 days ago · 99 km deep · 35 km away
Before
- 4.361 km NNE of Calama, Chile · 2570 days ago · 121 km deep · 41 km away
- 4.3116 km NNE of Calama, Chile · 2571 days ago · 139 km deep · 87 km away
- 4.365 km NNE of Calama, Chile · 2572 days ago · 117 km deep · 42 km away
- 4.641 km NE of Calama, Chile · 2576 days ago · 124 km deep · 28 km away
- 4.422 km ENE of San Pedro de Atacama, Chile · 2590 days ago · 142 km deep · 81 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us60005lmx. Read Fri, Oct 2, 2026, 12:01 AM UTC.