M4.9 earthquake 12 km WSW of Sipalay, Philippines
A magnitude 4.9 earthquake struck 12 km WSW of Sipalay, Philippines on Wed, Jan 5, 1983, 3:38 PM GMT+8 (07:38 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M5.0 34 km WSW of Maricalom, 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
- 1983-01-05 07:38:00 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 9.710° N, 122.303° 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
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 1 in the 30 days before it.
After
- 4.919 km WSW of Maricalom, Philippines · 15974 days ago · 33 km deep · 10 km away
- 5.034 km WSW of Maricalom, Philippines · 15970 days ago · 42 km deep · 24 km away
- 4.431 km SW of Cayhagan, Philippines · 15963 days ago · 33 km deep · 25 km away
Before
Earthquakes todayPhilippines earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001s0a (also filed as iscgemsup584067). Read Wed, Sep 30, 2026, 7:02 PM UTC.