M4.3 earthquake 101 km S of Calama, Chile
A magnitude 4.3 earthquake struck 101 km S of Calama, Chile on Sat, Mar 17, 2018, 4:30 AM GMT-3 (07:30 UTC), 88 km (55 mi) below the surface.
A larger quake followed: M4.5 19 km SSW 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
- 4.3 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2018-03-17 07:30:45 UTC
- Depth
- 88.1 km (54.8 mi), intermediate-depth
- Epicenter
- 23.357° S, 69.097° 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 5.6 km horizontally, 8.7 km in depth
- Magnitude uncertainty
- ±0.14
- Depth from
- From location
- Station coverage gap
- 51°
- Stations used
- 45
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 2 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.519 km SSW of Calama, Chile · 3104 days ago · 101 km deep · 83 km away
- 4.518 km S of San Pedro de Atacama, Chile · 3062 days ago · 123 km deep · 99 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us1000d5kg. Read Thu, Oct 1, 2026, 4:22 AM UTC.