M6.8 earthquake 34 km ESE of Santiago, Philippines
A magnitude 6.8 earthquake struck 34 km ESE of Santiago, Philippines on Mon, Nov 7, 1921, 11:59 PM GMT+8 (15:59 UTC), 35 km (22 mi) below the surface.
A larger quake followed: M7.4 62 km E of Baculin, Philippines. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 6.8 (mw), strong
- Local time
- UTC
- 1921-11-07 15:59:53 UTC
- Depth
- 35.0 km (21.7 mi), shallow
- Epicenter
- 7.145° N, 126.849° E
- Region
- Philippines
- Strongest shaking
- VI, strong shaking
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Shaking
The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.
- Strongest estimated
- VI, strong shaking
- Peak ground acceleration
- 12.2% of gravity
- Peak ground velocity
- 2.4 cm/s
- Map
- Automatic
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Magnitude uncertainty
- ±0.48
- Depth from
- From location
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.5 and up: 1 in the 60 days after this one and 0 in the 30 days before it.
After
Earthquakes todayPhilippines earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem912359. Read Wed, Sep 23, 2026, 1:54 AM UTC.