M5.2 earthquake 94 km WSW of San Antonio, Chile
A magnitude 5.2 earthquake struck 94 km WSW of San Antonio, Chile on Sat, Oct 29, 2016, 7:01 PM GMT-3 (22:01 UTC), 10 km (6 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.2 (Mww, W-phase moment), moderate
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2016-10-29 22:01:39 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 33.843° S, 72.586° W
- Region
- Chile
- Felt reports
- 1
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Magnitude estimates
Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.
| Mag. | Scale | Computed by | Notes |
|---|---|---|---|
| 5.2 | Mww, W-phase moment | USGS National Earthquake Information Center | Preferred · Reviewed |
| 5.12 | Mw, moment | ISC-GEM global catalog | Final · ±0.1 |
| 4.9 | Mwr, regional moment | USGS National Earthquake Information Center | Moment tensor · Reviewed |
What happened
The USGS’s account of the effects of this earthquake.
Felt at Lampa.
From the USGS event page for us100072zy. U.S. Geological Survey text and figures are in the public domain.
Did you feel it?
1 person reported to the USGS what they felt; the strongest reported shaking was II, weak shaking.

Fault motion and ground failure
How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.
- Faulting
- Reverse (thrust)
- Moment magnitude
- 5.2 Mww
- Nodal plane 1
- Strike 189°, dip 75°, rake 91°
- Nodal plane 2
- Strike 4°, dip 15°, rake 86°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 4.1 km horizontally, 1.7 km in depth
- Depth from
- Operator assigned
- Station coverage gap
- 79°
- Stations used
- 167
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.2 and up: 2 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.985 km WSW of San Antonio, Chile · 3624 days ago · 9 km deep · 12 km away · felt by 5
- 3.943 km S of San Antonio, Chile · 3601 days ago · 41 km deep · 85 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us100072zy (also filed as iscgem609624973). Read Sat, Oct 3, 2026, 1:38 AM UTC.