M4.7 earthquake 23 km NNW of Llaillay, Chile
A magnitude 4.7 earthquake struck 23 km NNW of Llaillay, Chile on Mon, May 13, 1985, 5:21 AM GMT-4 (09:21 UTC), 55 km (34 mi) below the surface.
A larger quake followed: M5.5 50 km NNW of Valparaíso, Chile. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.7 (mb), light
- Local time
- UTC
- 1985-05-13 09:21:41 UTC
- Depth
- 54.9 km (34.1 mi), shallow
- Epicenter
- 32.638° S, 71.024° 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.
- Depth from
- CONSTRAINED_BY_DEPTH_PHASES
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.7 and up: 5 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.543 km NW of Valparaíso, Chile · 15093 days ago · 33 km deep · 87 km away
- 5.550 km NNW of Valparaíso, Chile · 15078 days ago · 33 km deep · 78 km away
- 4.511 km SW of Valparaíso, Chile · 15065 days ago · 33 km deep · 83 km away
- 4.520 km WSW of Valparaíso, Chile · 15052 days ago · 33 km deep · 92 km away
- 4.837 km WNW of Valparaíso, Chile · 15050 days ago · 45 km deep · 93 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002es0. Read Tue, Sep 22, 2026, 3:09 PM UTC.