M4.5 earthquake 33 km NE of Calama, Chile
A magnitude 4.5 earthquake struck 33 km NE of Calama, Chile on Fri, Nov 23, 2018, 2:31 AM GMT-3 (05:31 UTC), 122 km (76 mi) below the surface.
A larger quake followed: M4.9 90 km NE 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 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2018-11-23 05:31:04 UTC
- Depth
- 121.8 km (75.7 mi), intermediate-depth
- Epicenter
- 22.227° S, 68.717° 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 6.7 km horizontally, 7.0 km in depth
- Magnitude uncertainty
- ±0.16
- Depth from
- From location
- Station coverage gap
- 53°
- Stations used
- 27
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 11 in the 60 days after this one and 5 in the 30 days before it.
After
- 4.443 km ESE of Calama, Chile · 2867 days ago · 135 km deep · 41 km away
- 4.990 km NE of Calama, Chile · 2853 days ago · 133 km deep · 58 km away
- 3.940 km NE of Calama, Chile · 2853 days ago · 114 km deep · 7 km away
- 4.288 km NNW of Calama, Chile · 2846 days ago · 106 km deep · 74 km away
- 4.692 km NNE of Calama, Chile · 2840 days ago · 143 km deep · 63 km away
- 4.3105 km NNE of Calama, Chile · 2838 days ago · 140 km deep · 75 km away
- 4.635 km N of Calama, Chile · 2838 days ago · 100 km deep · 26 km away
- 4.271 km NE of Calama, Chile · 2831 days ago · 117 km deep · 38 km away
- 4.533 km NNE of Calama, Chile · 2831 days ago · 107 km deep · 6 km away · felt by 1
- 4.283 km NNE of Calama, Chile · 2823 days ago · 128 km deep · 56 km away
- 4.222 km SW of Calama, Chile · 2814 days ago · 115 km deep · 55 km away
Before
- 4.332 km SSW of Calama, Chile · 2875 days ago · 122 km deep · 65 km away
- 4.577 km NNE of Calama, Chile · 2886 days ago · 126 km deep · 46 km away
- 4.828 km ENE of Calama, Chile · 2892 days ago · 98 km deep · 10 km away · felt by 1
- 4.360 km NNE of Calama, Chile · 2896 days ago · 105 km deep · 30 km away · felt by 1
- 4.521 km E of Calama, Chile · 2896 days ago · 110 km deep · 28 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us1000hvlj. Read Thu, Oct 1, 2026, 6:10 PM UTC.