M4.4 earthquake 121 km E of Antofagasta, Chile
A magnitude 4.4 earthquake struck 121 km E of Antofagasta, Chile on Sat, Sep 30, 2017, 6:18 PM GMT-3 (21:18 UTC), 96 km (60 mi) below the surface.
A larger quake followed: M4.5 Antofagasta, Chile. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.4 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2017-09-30 21:18:04 UTC
- Depth
- 96.5 km (59.9 mi), intermediate-depth
- Epicenter
- 23.601° S, 69.209° 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 4.1 km horizontally, 4.9 km in depth
- Magnitude uncertainty
- ±0.16
- Depth from
- From location
- Station coverage gap
- 99°
- Stations used
- 46
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 1 in the 30 days before it.
After
- 4.5Antofagasta, Chile · 3274 days ago · 112 km deep · 93 km away
- 4.042 km SW of Calama, Chile · 3268 days ago · 87 km deep · 94 km away
- 4.172 km S of Calama, Chile · 3266 days ago · 100 km deep · 58 km away
- 4.566 km NE of Antofagasta, Chile · 3255 days ago · 53 km deep · 90 km away
- 4.3120 km ESE of Antofagasta, Chile · 3249 days ago · 84 km deep · 42 km away
- 4.0103 km SW of San Pedro de Atacama, Chile · 3231 days ago · 130 km deep · 28 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000ax9x. Read Thu, Oct 1, 2026, 4:38 PM UTC.