M5.1 earthquake 97 km NE of Iquique, Chile
A magnitude 5.1 earthquake struck 97 km NE of Iquique, Chile on Mon, Mar 26, 2007, 5:00 PM GMT-4 (21:00 UTC), 109 km (68 mi) below the surface.
A larger quake followed: M5.2 100 km ESE of Arica, Chile. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.1 (Mwc, centroid moment), moderate
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2007-03-26 21:00:25 UTC
- Depth
- 108.9 km (67.7 mi), intermediate-depth
- Epicenter
- 19.485° S, 69.621° W
- Region
- Chile
- 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 |
|---|---|---|---|
| 5.1 | Mwc, centroid moment | USGS National Earthquake Information Center | Preferred · Reviewed |
| 5.06 | Mw, moment | ISC-GEM global catalog | Final · ±0.1 |
| 5.1 | Mwc, centroid moment | Global CMT project | Preliminary |
What happened
The USGS’s account of the effects of this earthquake.
Felt (IV) at Camina and Chiapa; (III) at Huara, Pisagua and Pozo Almonte; (II) at Arica, Camarones and Iquique.
From the USGS event page for usp000f7j2. 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.
Fault motion and ground failure
How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.
- Faulting
- Oblique normal
- Nodal plane 1
- Strike 125°, dip 38°, rake -127°
- Nodal plane 2
- Strike 349°, dip 60°, rake -65°
How well it is located
Reviewed by a seismologist.
- Depth from
- CONSTRAINED_BY_DEPTH_PHASES
- Station coverage gap
- 87°
- Stations used
- 172
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.1 and up: 2 in the 60 days after this one and 2 in the 30 days before it.
After
- 5.2100 km ESE of Arica, Chile · 7115 days ago · 106 km deep · 96 km away
- 4.9121 km NE of Iquique, Chile · 7076 days ago · 102 km deep · 38 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp000f7j2 (also filed as gcmtc200703262100a, gcmt20070326210025, iscgem11706029). Read Sun, Oct 4, 2026, 8:14 AM UTC.