M6.0 earthquake 4 km WSW of Boston, Philippines
A magnitude 6.0 earthquake struck 4 km WSW of Boston, Philippines on Fri, Jun 16, 1978, 3:57 PM GMT+8 (07:57 UTC), 139 km (86 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 6.0 (mb), strong
- Local time
- UTC
- 1978-06-16 07:57:00 UTC
- Depth
- 139.0 km (86.4 mi), intermediate-depth
- Epicenter
- 7.861° N, 126.321° E
- Region
- Philippines
- Strongest shaking
- IV, light 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
- IV, light shaking
- Peak ground acceleration
- 2.3% of gravity
- Peak ground velocity
- 0.4 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.
- Depth from
- CONSTRAINED_BY_DEPTH_PHASES
- Stations used
- 254
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.5 and up: 4 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.814 km NNE of Hinatuan, Philippines · 17626 days ago · 76 km deep · 70 km away
- 4.937 km ESE of Marihatag, Philippines · 17626 days ago · 46 km deep · 91 km away
- 5.445 km ESE of Marihatag, Philippines · 17624 days ago · 47 km deep · 98 km away
- 5.536 km ENE of Hinatuan, Philippines · 17624 days ago · 59 km deep · 80 km away
Before
Earthquakes todayPhilippines earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000v30 (also filed as gcmtc061678a, gcmt19780616075700, iscgem680952). Read Tue, Sep 22, 2026, 2:06 PM UTC.