M4.9 earthquake 37 km ESE of Marihatag, Philippines
A magnitude 4.9 earthquake struck 37 km ESE of Marihatag, Philippines on Wed, Jun 21, 1978, 1:02 AM GMT+8 (17:02 UTC), 46 km (29 mi) below the surface.
A larger quake followed: M5.4 45 km ESE of Marihatag, 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
- 1978-06-20 17:02:38 UTC
- Depth
- 46.0 km (28.6 mi), shallow
- Epicenter
- 8.634° N, 126.586° 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.
- Stations used
- 40
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.9 and up: 2 in the 60 days after this one and 2 in the 30 days before it.
After
- 5.445 km ESE of Marihatag, Philippines · 17624 days ago · 47 km deep · 11 km away
- 5.536 km ENE of Hinatuan, Philippines · 17624 days ago · 59 km deep · 14 km away
Before
Earthquakes todayPhilippines earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000v5n. Read Tue, Sep 22, 2026, 4:51 AM UTC.