M4.2 earthquake 28 km WNW of Valparaíso, Chile
A magnitude 4.2 earthquake struck 28 km WNW of Valparaíso, Chile on Sun, Aug 9, 2020, 2:08 PM GMT-4 (18:08 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M4.8 40 km W 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
- 4.2 (Mwr, regional moment), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2020-08-09 18:08:40 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 32.916° S, 71.901° 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 3.3 km horizontally, 1.9 km in depth
- Depth from
- Operator assigned
- Station coverage gap
- 166°
- Stations used
- 35
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 6 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.322 km WNW of Cartagena, Chile · 2244 days ago · 26 km deep · 60 km away · felt by 9
- 4.157 km W of La Ligua, Chile · 2236 days ago · 35 km deep · 61 km away
- 3.933 km NE of Cartagena, Chile · 2219 days ago · 47 km deep · 74 km away · felt by 1
- 4.840 km W of Valparaíso, Chile · 2195 days ago · 18 km deep · 18 km away · felt by 12
- 4.259 km WNW of La Ligua, Chile · 2187 days ago · 19 km deep · 72 km away
- 4.436 km NNW of Viña del Mar, Chile · 2185 days ago · 34 km deep · 34 km away · felt by 15
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000bbji. Read Fri, Oct 2, 2026, 11:36 AM UTC.