Strong mag. 6.3 earthquake - Halmahera Sea, 53 km south of Nusa Pigaraja Island, North Maluku, Indonesia, on Monday, 18 October 1965 at 21:50 (GMT)
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Strong magnitude 6.3 earthquake at 25 km depth
Magnitude: 6.3
Depth: 25.0 km
Epicenter latitude / longitude: 1.28°S / 127.725°E
(Halmahera Sea, Indonesia)Nearest volcano: Bibinoi (57 km / 35 mi)
Nearby towns and cities:
225 km (140 mi) S of Sofifi (Kota Tidore Kepulauan) (pop: 36,200) --> See nearby quakes!
233 km (145 mi) S of Ternate (pop: 101,700) --> See nearby quakes!
265 km (165 mi) NNW of Amahai (pop: 47,700) --> See nearby quakes!
273 km (170 mi) N of Ambon City (pop: 355,600) --> See nearby quakes!
396 km (246 mi) W of Sorong (pop: 125,500) --> See nearby quakes!
415 km (258 mi) SE of Bitung (pop: 137,400) --> See nearby quakes!
425 km (264 mi) SE of Tondano (Kabupaten Minahasa) (pop: 33,300) --> See nearby quakes!
435 km (270 mi) SE of Tomohon (pop: 27,600) --> See nearby quakes!
444 km (276 mi) SE of Manado (pop: 451,900) --> See nearby quakes!
2381 km (1479 mi) ENE of Jakarta (pop: 8,540,100) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1.8 x 1014 joules (49.4 gigawatt hours, equivalent to 42502 tons of TNT or 2.7 atomic bombs!) More info
Data for the same earthquake reported by different agencies
Info: The more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.
| Magnitude | Depth | Location | Source |
| M 6.3 | 25 km | Kepulauan Obi, Indonesia | USGS |
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
There are no user reports for this quake yet. If you felt it be the first to report it!
Aftershocks of the 6.3 quake Halmahera Sea, 53 km south of Nusa Pigaraja Island, North Maluku, Indonesia, 18 October 1965 21:50 GMT
More info
Recorded aftershocks, latest first (1 quakes):- 28 Oct 1965 08:58 UTC| M 5.6 |25 km (15.5 mi) depth|3 km (2 mi) distance| USGS | Details
Earlier earthquakes in the same area
Strong mag. 6.3 earthquake - Halmahera Sea, 53 km south of Nusa Pigaraja Island, North Maluku, Indonesia, on Monday, 18 October 1965 at 21:50 (GMT)Click here to search our database for earlier earthquakes in the same area since 1900!
