M4.6 earthquake 104 km NNW of Ternate, Indonesia
A magnitude 4.6 earthquake struck 104 km NNW of Ternate, Indonesia on Mon, Oct 19, 1987, 9:38 AM GMT+9 (00:38 UTC), 117 km (73 mi) below the surface.
A larger quake followed: M4.7 116 km NNW of Ternate, Indonesia. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.6 (mb), light
- Local time
- UTC
- 1987-10-19 00:38:23 UTC
- Depth
- 116.9 km (72.6 mi), intermediate-depth
- Epicenter
- 1.672° N, 127.050° E
- Region
- Indonesia
- 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
- FROM_LOCATION
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.6 and up: 4 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.6100 km NW of Tobelo, Indonesia · 14188 days ago · 33 km deep · 84 km away
- 4.471 km NW of Tobelo, Indonesia · 14179 days ago · 33 km deep · 78 km away
- 4.3107 km NW of Ternate, Indonesia · 14176 days ago · 116 km deep · 42 km away
- 4.7116 km NNW of Ternate, Indonesia · 14175 days ago · 33 km deep · 19 km away
Before
Earthquakes todayIndonesia earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00039d7. Read Tue, Sep 22, 2026, 4:53 AM UTC.