M4.5 earthquake 75 km W of Illapel, Chile
A magnitude 4.5 earthquake struck 75 km W of Illapel, Chile on Fri, Oct 19, 2012, 7:48 PM GMT-3 (22:48 UTC), 10 km (6 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 (Mwr, regional moment), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2012-10-19 22:48:18 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 31.758° S, 71.950° 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 usp000ju6k. 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.
Fault motion and ground failure
How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.
- Faulting
- Reverse (thrust)
- Nodal plane 1
- Strike 26°, dip 11°, rake 111°
- Nodal plane 2
- Strike 184°, dip 79°, rake 86°
How well it is located
Reviewed by a seismologist.
- Depth from
- OPERATOR_ASSIGNED
- Station coverage gap
- 115°
- Stations used
- 39
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 5 in the 60 days after this one and 6 in the 30 days before it.
After
- 4.388 km WNW of La Ligua, Chile · 5098 days ago · 22 km deep · 58 km away
- 4.7Off the coast of Coquimbo, Chile · 5094 days ago · 44 km deep · 13 km away
- 4.268 km W of Illapel, Chile · 5082 days ago · 43 km deep · 7 km away
- 4.666 km WSW of Illapel, Chile · 5082 days ago · 36 km deep · 9 km away
- 4.357 km NNW of Illapel, Chile · 5054 days ago · 57 km deep · 90 km away
Before
- 4.082 km WSW of Illapel, Chile · 5099 days ago · 43 km deep · 8 km away
- 4.584 km WSW of Illapel, Chile · 5100 days ago · 29 km deep · 11 km away
- 5.061 km WSW of Illapel, Chile · 5102 days ago · 24 km deep · 17 km away · felt by 6
- 4.152 km WNW of La Ligua, Chile · 5110 days ago · 11 km deep · 64 km away
- 4.169 km WNW of La Ligua, Chile · 5111 days ago · 7 km deep · 42 km away
- 4.689 km WNW of La Ligua, Chile · 5112 days ago · 9 km deep · 44 km away · felt by 8
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp000ju6k. Read Sun, Oct 4, 2026, 6:53 PM UTC.