M6.5 earthquake 87 km W of Tarauacá, Brazil
A magnitude 6.5 earthquake struck 87 km W of Tarauacá, Brazil on Mon, May 24, 2010, 12:18 PM GMT-4 (16:18 UTC), 581 km (361 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 6.5 (Mwc, centroid moment), strong
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2010-05-24 16:18:29 UTC
- Depth
- 581.2 km (361.1 mi), deep
- Epicenter
- 8.087° S, 71.558° W
- Region
- Brazil
- Felt reports
- 27
- 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 |
|---|---|---|---|
| 6.5 | Mwc, centroid moment | USGS National Earthquake Information Center | Preferred · Reviewed |
| 6.45 | Mw, moment | ISC-GEM global catalog | Final · ±0.1 |
| 6.4 | Mwc, centroid moment | Global CMT project | Preliminary |
| 6.0 | Me, energy | Choy, USGS energy magnitude | Reviewed |
What happened
The USGS’s account of the effects of this earthquake.
Felt (V) at Cruzeiro do Sul, (III) at Rio Branco and (II) at Manaus. Also felt at Feijo, Tabatinga and Tarauaca. Felt (III) at Pucallpa, Peru. Also felt at Barranca, Campoverde, Chosica, Iquitos and San Luis.
From the USGS event page for usp000hd4k. U.S. Geological Survey text and figures are in the public domain.
Did you feel it?
27 people reported to the USGS what they felt; the strongest reported shaking was VI, strong shaking.
Fault motion and ground failure
How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.
- Faulting
- Normal
- Nodal plane 1
- Strike 338°, dip 34°, rake -88°
- Nodal plane 2
- Strike 158°, dip 55°, rake -89°
How well it is located
Reviewed by a seismologist.
- Depth from
- CONSTRAINED_BY_DEPTH_PHASES
- Station coverage gap
- 23°
- Stations used
- 460
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 3.5 and up: 0 in the 60 days after this one and 0 in the 30 days before it.
None recorded.
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp000hd4k (also filed as us2010wrbc, choy20100524161829, gcmtc201005241618a, gcmt20100524161829, atlas20100524161829, iscgem14721069). Read Fri, Oct 2, 2026, 5:19 AM UTC.