M4.6 earthquake Tarapaca, Chile
A magnitude 4.6 earthquake struck in Tarapaca, Chile on Mon, Mar 23, 2015, 9:29 PM GMT-3 (00:29 UTC), 136 km (84 mi) below the surface.
A larger quake followed: M4.7 53 km ENE of Palca, Peru. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.6 (mb), light
- Local time
- UTC
- 2015-03-24 00:29:59 UTC
- Depth
- 135.9 km (84.4 mi), intermediate-depth
- Epicenter
- 18.501° S, 69.358° 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 7.8 km horizontally, 5.3 km in depth
- Magnitude uncertainty
- ±0.19
- Depth from
- FROM_LOCATION
- Station coverage gap
- 88°
- Stations used
- 45
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.6 and up: 6 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.2138 km SE of Arica, Chile · 4193 days ago · 116 km deep · 84 km away
- 4.256 km E of Arica, Chile · 4192 days ago · 131 km deep · 44 km away
- 4.753 km ENE of Palca, Peru · 4178 days ago · 168 km deep · 97 km away
- 4.2117 km SE of Arica, Chile · 4176 days ago · 96 km deep · 74 km away
- 4.782 km SE of Palca, Peru · 4164 days ago · 139 km deep · 28 km away
- 4.376 km E of Arica, Chile · 4155 days ago · 131 km deep · 26 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us10001q3c. Read Wed, Sep 30, 2026, 4:10 AM UTC.