M4.3 earthquake 65 km NNW of Tomé, Chile
A magnitude 4.3 earthquake struck 65 km NNW of Tomé, Chile on Thu, Jun 28, 2012, 6:33 AM GMT-4 (10:33 UTC), 30 km (19 mi) below the surface.
A larger quake followed: M4.8 141 km NW of Talcahuano, Chile. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.3 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2012-06-28 10:33:17 UTC
- Depth
- 30.2 km (18.8 mi), shallow
- Epicenter
- 36.085° S, 73.270° W
- Region
- Chile
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
What happened
The USGS’s account of the effects of this earthquake.
Felt (IV) at Tome and (III) at Cauquenes, Concepcion, San Pedro de la Paz and Talcahuano.
From the USGS event page for usp000jnbg. 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.
How well it is located
Reviewed by a seismologist.
- Station coverage gap
- 116°
- Stations used
- 31
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 3 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.8141 km NW of Talcahuano, Chile · 5178 days ago · 44 km deep · 88 km away
- 4.7113 km WSW of Constitución, Chile · 5160 days ago · 20 km deep · 61 km away
- 4.8100 km NW of Quirihue, Chile · 5154 days ago · 11 km deep · 38 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp000jnbg. Read Sat, Oct 3, 2026, 12:07 PM UTC.