Moderate mag. 4.7 earthquake - Maluku Sea, 43 km north of Pulau Tuanane Island, Maluku Utara, Indonesia, on Thursday, 25 August 1988 at 06:18 (GMT)

Moderate mag. 4.7 earthquake - Maluku Sea, 43 km north of Pulau Tuanane Island, Maluku Utara, Indonesia, on Thursday, 25 August 1988 at 06:18 (GMT)

Moderate magnitude 4.7 earthquake at 33 km depth

Date & time: 25 Aug 1988 06:18:18 UTC
Magnitude: 4.7
Depth: 33.0 km
Epicenter latitude / longitude: 2.78°N / 128.289°E (Maluku Sea, Indonesia)
Nearest volcano: Tarakan (117 km / 73 mi)
Nearby towns and cities:
121 km (75 mi) NNE 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!
243 km (151 mi) NNE of Ternate (pop: 101,700) --> See nearby quakes!
375 km (233 mi) ENE of Bitung (pop: 137,400) --> See nearby quakes!
409 km (254 mi) ENE of Manado (pop: 451,900) --> See nearby quakes!
410 km (254 mi) ENE of Tondano (Kabupaten Minahasa) (pop: 33,300) --> See nearby quakes!
420 km (261 mi) ENE of Tomohon (pop: 27,600) --> See nearby quakes!
507 km (315 mi) SE of General Santos (Philippines) (pop: 679,600) --> See nearby quakes!
512 km (318 mi) SE of Maluñgun (Philippines) (pop: 52,200) --> See nearby quakes!
524 km (325 mi) SE of Polomolok (Philippines) (pop: 64,000) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 7.1 x 1011 joules (197 megawatt hours, equivalent to 169 tons of TNT) More info
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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.
MagnitudeDepthLocationSource
M 4.733 kmHalmahera, IndonesiaUSGS
Note: for quakes of 2012 and earlier, our database often contains only records from USGS.

User reports for this quake

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