M4.7 earthquake 152 km NW of Ternate, Indonesia
A magnitude 4.7 earthquake struck 152 km NW of Ternate, Indonesia on Fri, Oct 31, 1986, 6:40 AM GMT+9 (21:40 UTC), 49 km (31 mi) below the surface.
A larger quake followed: M4.8 167 km WNW of Tobelo, Indonesia. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.7 (mb), light
- Local time
- UTC
- 1986-10-30 21:40:31 UTC
- Depth
- 49.2 km (30.6 mi), shallow
- Epicenter
- 1.834° N, 126.491° 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 1.7 and up: 9 in the 60 days after this one and 5 in the 30 days before it.
After
- 4.8167 km WNW of Tobelo, Indonesia · 14561 days ago · 78 km deep · 58 km away
- 6.0153 km WNW of Tobelo, Indonesia · 14560 days ago · 79 km deep · 74 km away
- 4.3115 km NW of Ternate, Indonesia · 14557 days ago · 33 km deep · 41 km away
- 5.1Molucca Sea · 14547 days ago · 48 km deep · 13 km away
- 4.7131 km NW of Ternate, Indonesia · 14545 days ago · 61 km deep · 22 km away
- 4.4156 km NW of Ternate, Indonesia · 14543 days ago · 95 km deep · 9 km away
- 4.8128 km WNW of Tobelo, Indonesia · 14543 days ago · 86 km deep · 46 km away
- 4.8143 km WNW of Tobelo, Indonesia · 14533 days ago · 58 km deep · 63 km away
- 5.1143 km WNW of Tobelo, Indonesia · 14514 days ago · 33 km deep · 65 km away
Before
- 5.0157 km WNW of Tobelo, Indonesia · 14580 days ago · 76 km deep · 51 km away
- 4.9112 km NNW of Ternate, Indonesia · 14581 days ago · 67 km deep · 44 km away
- 5.0172 km NW of Tobelo, Indonesia · 14582 days ago · 33 km deep · 99 km away
- 4.5150 km NW of Ternate, Indonesia · 14587 days ago · 33 km deep · 19 km away
- 4.4181 km WNW of Tobelo, Indonesia · 14594 days ago · 33 km deep · 44 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002zhc. Read Tue, Sep 22, 2026, 6:05 AM UTC.