M4.5 earthquake 84 km WSW of Illapel, Chile
A magnitude 4.5 earthquake struck 84 km WSW of Illapel, Chile on Thu, Oct 18, 2012, 1:37 AM GMT-3 (04:37 UTC), 29 km (18 mi) below the surface.
A larger quake followed: M4.7 Off the coast of Coquimbo, Chile. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.5 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2012-10-18 04:37:59 UTC
- Depth
- 28.8 km (17.9 mi), shallow
- Epicenter
- 31.827° S, 72.034° W
- Region
- Chile
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
What happened
The USGS’s account of the effects of this earthquake.
no people dead or missing; no people injured; no buildings damaged or destroyed
From the USGS event page for usp000ju45. U.S. Geological Survey text and figures are in the public domain.
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Station coverage gap
- 115°
- Stations used
- 28
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 7 in the 60 days after this one and 4 in the 30 days before it.
After
- 4.082 km WSW of Illapel, Chile · 5099 days ago · 43 km deep · 4 km away
- 4.575 km W of Illapel, Chile · 5098 days ago · 10 km deep · 11 km away
- 4.388 km WNW of La Ligua, Chile · 5098 days ago · 22 km deep · 48 km away
- 4.7Off the coast of Coquimbo, Chile · 5094 days ago · 44 km deep · 15 km away
- 4.268 km W of Illapel, Chile · 5082 days ago · 43 km deep · 18 km away
- 4.666 km WSW of Illapel, Chile · 5082 days ago · 36 km deep · 18 km away
- 4.544 km NNW of Valparaíso, Chile · 5071 days ago · 23 km deep · 95 km away · felt by 11
Before
- 5.061 km WSW of Illapel, Chile · 5102 days ago · 24 km deep · 23 km away · felt by 6
- 4.152 km WNW of La Ligua, Chile · 5110 days ago · 11 km deep · 59 km away
- 4.169 km WNW of La Ligua, Chile · 5111 days ago · 7 km deep · 37 km away
- 4.689 km WNW of La Ligua, Chile · 5112 days ago · 9 km deep · 35 km away · felt by 8
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp000ju45. Read Sun, Oct 4, 2026, 8:39 PM UTC.