M4.9 earthquake 115 km E of Gigmoto, Philippines
A magnitude 4.9 earthquake struck 115 km E of Gigmoto, Philippines on Mon, Nov 17, 1975, 4:37 AM GMT+8 (20:37 UTC), 55 km (34 mi) below the surface.
A larger quake followed: M5.1 123 km NE of Cabodiongan, Philippines. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.9 (mb), light
- Local time
- UTC
- 1975-11-16 20:37:39 UTC
- Depth
- 55.0 km (34.2 mi), shallow
- Epicenter
- 13.902° N, 125.452° E
- Region
- Philippines
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Depth from
- OPERATOR_ASSIGNED
- Stations used
- 35
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.9 and up: 3 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.6114 km NE of Cabodiongan, Philippines · 18579 days ago · 89 km deep · 46 km away
- 4.8103 km NE of Cabatuan, Philippines · 18579 days ago · 33 km deep · 77 km away
- 5.1123 km NE of Cabodiongan, Philippines · 18575 days ago · 25 km deep · 64 km away
Before
Earthquakes todayPhilippines earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000dmb. Read Wed, Sep 30, 2026, 2:52 AM UTC.