M4.2 earthquake 116 km ENE of Iquique, Chile
A magnitude 4.2 earthquake struck 116 km ENE of Iquique, Chile on Tue, Oct 31, 2017, 11:00 AM GMT-3 (14:00 UTC), 116 km (72 mi) below the surface.
A larger quake followed: M5.2 122 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
- 4.2 (mb), light
- Local time
- UTC
- 2017-10-31 14:00:48 UTC
- Depth
- 116.2 km (72.2 mi), intermediate-depth
- Epicenter
- 19.753° S, 69.149° 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 14.1 km horizontally, 7.3 km in depth
- Magnitude uncertainty
- ±0.20
- Stations used
- 0
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 9 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.3Tarapaca, Chile · 3254 days ago · 105 km deep · 22 km away
- 4.1113 km E of Iquique, Chile · 3252 days ago · 102 km deep · 31 km away
- 4.196 km E of Iquique, Chile · 3243 days ago · 95 km deep · 52 km away
- 5.0113 km ENE of Iquique, Chile · 3239 days ago · 97 km deep · 7 km away · felt by 1
- 4.3125 km E of Iquique, Chile · 3236 days ago · 109 km deep · 60 km away
- 4.3130 km ESE of Iquique, Chile · 3235 days ago · 105 km deep · 85 km away
- 4.1105 km E of Iquique, Chile · 3214 days ago · 99 km deep · 38 km away
- 4.2103 km E of Iquique, Chile · 3210 days ago · 101 km deep · 60 km away · felt by 1
- 5.2122 km NE of Iquique, Chile · 3197 days ago · 103 km deep · 54 km away · felt by 5
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us1000aze6. Read Wed, Sep 30, 2026, 10:21 PM UTC.