M3.9 earthquake 64 km NNW of Iquique, Chile
A magnitude 3.9 earthquake struck 64 km NNW of Iquique, Chile on Fri, Oct 26, 2018, 6:04 AM GMT-3 (09:04 UTC), 49 km (30 mi) below the surface.
A larger quake followed: M4.7 94 km NE 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, regional moment), minor
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2018-10-26 09:04:22 UTC
- Depth
- 48.7 km (30.2 mi), shallow
- Epicenter
- 19.658° S, 70.335° 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
- Normal
- Moment magnitude
- 3.9 Mwr
- Nodal plane 1
- Strike 51°, dip 80°, rake -89°
- Nodal plane 2
- Strike 228°, dip 10°, rake -93°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 4.5 km horizontally, 7.4 km in depth
- Magnitude uncertainty
- ±0.08
- Depth from
- From location
- Station coverage gap
- 131°
- Stations used
- 60
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 3 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.481 km W of Iquique, Chile · 2888 days ago · 10 km deep · 80 km away · felt by 1
- 4.794 km NE of Iquique, Chile · 2887 days ago · 87 km deep · 97 km away · felt by 5
- 4.788 km WNW of Iquique, Chile · 2847 days ago · 18 km deep · 74 km away · felt by 4
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us1000hhgr. Read Thu, Oct 1, 2026, 8:13 PM UTC.