M4.5 earthquake 73 km NNW of Claveria, Philippines
A magnitude 4.5 earthquake struck 73 km NNW of Claveria, Philippines on Fri, Jun 23, 1978, 7:48 AM GMT+8 (23:48 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M4.7 23 km N of Claveria, Philippines. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.5 (mb), light
- Local time
- UTC
- 1978-06-22 23:48:52 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 19.249° N, 120.899° 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
- 14
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 2 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.723 km N of Claveria, Philippines · 17616 days ago · 21 km deep · 50 km away
- 5.4155 km NNW of Pagudpud, Philippines · 17581 days ago · 33 km deep · 89 km away
Before
Earthquakes todayPhilippines earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000v88. Read Tue, Sep 22, 2026, 11:11 AM UTC.