M4.5 earthquake 35 km SSE of Calama, Chile
A magnitude 4.5 earthquake struck 35 km SSE of Calama, Chile on Mon, Sep 17, 2018, 1:29 PM GMT-3 (16:29 UTC), 118 km (73 mi) below the surface.
A larger quake followed: M4.8 28 km ENE 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
- 2018-09-17 16:29:16 UTC
- Depth
- 118.0 km (73.3 mi), intermediate-depth
- Epicenter
- 22.765° S, 68.814° 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 4.4 km horizontally, 8.8 km in depth
- Magnitude uncertainty
- ±0.38
- Depth from
- From location
- Station coverage gap
- 81°
- Stations used
- 17
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 6 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.327 km ESE of Calama, Chile · 2922 days ago · 119 km deep · 29 km away
- 4.744 km ESE of Calama, Chile · 2905 days ago · 106 km deep · 31 km away · felt by 3
- 4.219 km SE of San Pedro de Atacama, Chile · 2899 days ago · 131 km deep · 84 km away
- 4.521 km E of Calama, Chile · 2896 days ago · 110 km deep · 33 km away
- 4.360 km NNE of Calama, Chile · 2896 days ago · 105 km deep · 91 km away · felt by 1
- 4.828 km ENE of Calama, Chile · 2892 days ago · 98 km deep · 52 km away · felt by 1
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000hfxa. Read Thu, Oct 1, 2026, 11:21 PM UTC.