M5.7 earthquake 1 km S of San Luis, Philippines
A magnitude 5.7 earthquake struck 1 km S of San Luis, Philippines on Sun, Aug 20, 2000, 3:55 PM GMT+8 (07:55 UTC), 174 km (108 mi) below the surface.
A larger quake followed: M6.1 46 km ESE of Jovellar, Philippines. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.7 (Mwb, body-wave moment), moderate
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2000-08-20 07:55:49 UTC
- Depth
- 174.3 km (108.3 mi), intermediate-depth
- Epicenter
- 7.427° N, 126.549° E
- Region
- Philippines
- Strongest shaking
- IV, light shaking
- 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 |
|---|---|---|---|
| 5.7 | Mwb, body-wave moment | USGS National Earthquake Information Center | Preferred · Reviewed |
| 5.6 | Mw, moment | ISC-GEM global catalog | Final · ±0.1 |
Shaking
The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.
- Strongest estimated
- IV, light shaking
- Peak ground acceleration
- 0.9% of gravity
- Peak ground velocity
- -0.6 cm/s
- Map
- Automatic

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
- Strike-slip
- Nodal plane 1
- Strike 30°, dip 45°, rake 175°
- Nodal plane 2
- Strike 124°, dip 86°, rake 45°
How well it is located
Reviewed by a seismologist.
- Depth from
- CONSTRAINED_BY_DEPTH_PHASES
- Stations used
- 186
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.7 and up: 4 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.58 km NE of Baculin, Philippines · 9526 days ago · 83 km deep · 13 km away
- 4.24 km NE of Lingig, Philippines · 9520 days ago · 144 km deep · 73 km away
- 4.911 km ENE of Bobon, Philippines · 9502 days ago · 52 km deep · 60 km away
- 6.146 km ESE of Jovellar, Philippines · 9492 days ago · 87 km deep · 71 km away
Before
Earthquakes todayPhilippines earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0009ytx (also filed as gcmt20000820075549, iscgem1739230). Read Fri, Oct 2, 2026, 3:33 AM UTC.