M3.9 earthquake 99 km WNW of Iquique, Chile
A magnitude 3.9 earthquake struck 99 km WNW of Iquique, Chile on Sun, Nov 8, 2015, 9:18 PM GMT-3 (00:18 UTC), 20 km (13 mi) below the surface.
A larger quake followed: M4.5 98 km WNW of Iquique, Chile. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.9 (mwr), minor
- Local time
- UTC
- 2015-11-09 00:18:23 UTC
- Depth
- 20.3 km (12.6 mi), shallow
- Epicenter
- 19.818° S, 70.999° 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 reverse
- Moment magnitude
- 3.9 Mwr
- Nodal plane 1
- Strike 151°, dip 40°, rake 58°
- Nodal plane 2
- Strike 10°, dip 57°, rake 114°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 4.9 km horizontally, 6.5 km in depth
- Magnitude uncertainty
- ±0.05
- Depth from
- From location
- Station coverage gap
- 171°
- Stations used
- 38
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 4 in the 60 days after this one and 4 in the 30 days before it.
After
- 4.293 km WNW of Iquique, Chile · 3958 days ago · 11 km deep · 16 km away
- 4.098 km WNW of Iquique, Chile · 3945 days ago · 33 km deep · 14 km away
- 4.598 km WNW of Iquique, Chile · 3945 days ago · 15 km deep · 15 km away
- 3.8107 km WNW of Iquique, Chile · 3937 days ago · 10 km deep · 20 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us10003vvc. Read Tue, Sep 29, 2026, 11:45 PM UTC.