M5.2 earthquake 245 km NW of Tobelo, Indonesia
A magnitude 5.2 earthquake struck 245 km NW of Tobelo, Indonesia on Wed, Jun 10, 1987, 6:25 AM GMT+8 (22:25 UTC), 55 km (34 mi) below the surface.
A larger quake followed: M5.6 173 km SSE of Sarangani, Philippines. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.2 (Mw, moment), moderate
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1987-06-09 22:25:50 UTC
- Depth
- 54.7 km (34.0 mi), shallow
- Epicenter
- 3.524° N, 126.706° E
- Region
- Indonesia
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Magnitude estimates
Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.
| Mag. | Scale | Computed by | Notes |
|---|---|---|---|
| 5.2 | Mw, moment | USGS National Earthquake Information Center | Preferred · Reviewed |
| 5.15 | Mw, moment | ISC-GEM global catalog | Final · ±0.1 |
| 5.1 | Mwc, centroid moment | Global CMT project | Preliminary |
What happened
The USGS’s account of the effects of this earthquake.
CENTROID, MOMENT TENSOR (HRV) Data Used: GDSN L.P.B.: 12S, 28C Centroid Location: Origin Time 22:25:49.0 0.7 Lat 3.44N 0.10 Lon 127.30E 0.12 Dep 20.5 5.6 Half-duration 1.5 Moment Tensor; Scale 10**16 Nm Mrr=5.68 0.57 Mtt=0.51 0.57 Mff=-6.19 0.81 Mrt=-0.26 0.90 Mrf=3.02 1.53 Mtf=0.54 0.51 Principal Axes: (T) Val=6.41 Plg=77 Azm=265 (N) Val=0.55 Plg=0 Azm=355 (P) Val=-6.96 Plg=13 Azm=85 Best Double Couple:Mo=6.7*10**16 NP1:Strike=176 Dip=32 Slip=90 NP2:Strike=355 Dip=58 Slip=90
From the USGS event page for usp00035p2. U.S. Geological Survey text and figures are in the public domain.
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 2.2 and up: 6 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.9241 km NNW of Tobelo, Indonesia · 14358 days ago · 77 km deep · 13 km away
- 5.6173 km SSE of Sarangani, Philippines · 14353 days ago · 136 km deep · 95 km away
- 5.4210 km SE of Sarangani, Philippines · 14329 days ago · 33 km deep · 39 km away
- 4.8168 km NW of Tobelo, Indonesia · 14328 days ago · 104 km deep · 90 km away
- 5.2184 km SE of Sarangani, Philippines · 14318 days ago · 81 km deep · 67 km away
- 4.4150 km NW of Tobelo, Indonesia · 14313 days ago · 33 km deep · 98 km away
Before
Earthquakes todayIndonesia earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00035p2 (also filed as gcmtb060987c, gcmt19870609222545, iscgem463967). Read Thu, Oct 1, 2026, 4:17 AM UTC.