Strong mag. 5.6 earthquake - Maluku Sea, 44 km north of Pulau Tuanane Island, Maluku Utara, Indonesia, on Monday, 4 July 1988 at 14:38 (GMT)
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Strong magnitude 5.6 earthquake at 38 km depth
Date & time: 4 Jul 1988 14:38:59 UTC
Magnitude: 5.6
Depth: 38.0 km
Epicenter latitude / longitude: 2.804°N / 128.209°E

Nearest volcano: Tarakan (116 km / 72 mi)
Nearby towns and cities:
122 km (76 mi) N of Tobelo (Kabupaten Halmahera Utara) (pop: 10,000) --> See nearby quakes!
241 km (150 mi) NNE of Sofifi (Kota Tidore Kepulauan) (pop: 36,200) --> See nearby quakes!
242 km (150 mi) NNE of Ternate (pop: 101,700) --> See nearby quakes!
368 km (228 mi) ENE of Bitung (pop: 137,400) --> See nearby quakes!
401 km (249 mi) ENE of Manado (pop: 451,900) --> See nearby quakes!
403 km (250 mi) ENE of Tondano (Kabupaten Minahasa) (pop: 33,300) --> See nearby quakes!
413 km (257 mi) ENE of Tomohon (pop: 27,600) --> See nearby quakes!
499 km (310 mi) SE of General Santos (Philippines) (pop: 679,600) --> See nearby quakes!
532 km (331 mi) NW of Sorong (pop: 125,500) --> See nearby quakes!
541 km (336 mi) SE of Digos (Philippines) (pop: 116,100) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1.6 x 1013 joules (4.4 gigawatt hours, equivalent to 3788 tons of TNT or 0.2 atomic bombs!) More info
Data for the same earthquake reported by different agencies
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Magnitude | Depth | Location | Source |
M 5.6 | 38 km | Halmahera, Indonesia | USGS |
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Recorded aftershocks, latest first (2 quakes):- 25 Aug 1988 06:18 UTC| M 4.7 |33 km (20.5 mi) depth|9 km (6 mi) distance| USGS | Details
- 23 Aug 1988 07:58 UTC| M 5.1 |95.1 km (59.1 mi) depth|27 km (17 mi) distance| USGS | Details
Earlier earthquakes in the same area
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