M4.9 earthquake 57 km ESE of Dicamay, Philippines
A magnitude 4.9 earthquake struck 57 km ESE of Dicamay, Philippines on Mon, May 23, 1977, 9:17 PM GMT+9 (12:17 UTC), 49 km (30 mi) below the surface.
A larger quake followed: M6.9 22 km SSW of Dicabisagan, 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
- 1977-05-23 12:17:39 UTC
- Depth
- 49.0 km (30.4 mi), shallow
- Epicenter
- 16.472° N, 122.456° 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
- 22
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.9 and up: 8 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.937 km S of Dicabisagan, Philippines · 18026 days ago · 33 km deep · 31 km away
- 4.648 km SSE of Dicabisagan, Philippines · 17979 days ago · 33 km deep · 30 km away
- 6.922 km SSW of Dicabisagan, Philippines · 17968 days ago · 33 km deep · 47 km away
- 4.731 km E of Dicabisagan, Philippines · 17968 days ago · 33 km deep · 79 km away
- 5.114 km N of Dicabisagan, Philippines · 17968 days ago · 46 km deep · 82 km away
- 4.516 km SE of Dicabisagan, Philippines · 17968 days ago · 33 km deep · 56 km away
- 4.817 km ESE of Dicamay, Philippines · 17968 days ago · 85 km deep · 41 km away
- 5.131 km NNW of Dicabisagan, Philippines · 17967 days ago · 46 km deep · 99 km away
Before
Earthquakes todayPhilippines earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000p03. Read Wed, Sep 30, 2026, 12:48 PM UTC.