Mag. 4.7 earthquake - North of Halmahera, Indonesia, on Sunday, 12 July 1981 at 17:29 (GMT)

Mag. 4.7 earthquake  - North of Halmahera, Indonesia, on Sunday, 12 July 1981 at 17:29 (GMT)

Light magnitude 4.7 earthquake at 100 km depth

Date & time: 12 Jul 1981 05:29:56 UTC###AGESTRINGCOPY###
Magnitude: 4.7
Depth: 100.4 km
Epicenter latitude / longitude: 3.538°N / 128.22°E (Indonesia)
Nearest volcano: Tarakan (195 km / 121 mi)
Nearby towns and cities:
203 km (126 mi) N of Tobelo (Kabupaten Halmahera Utara, Maluku Utara) (pop: 10,000)
319 km (198 mi) NNE of Ternate (North Maluku) (pop: 101,700)
320 km (199 mi) NNE of Sofifi (Kota Tidore Kepulauan, North Maluku) (pop: 36,200)
409 km (254 mi) NE of Bitung (pop: 137,400)
439 km (273 mi) ENE of Manado (North Sulawesi) (pop: 451,900)
444 km (276 mi) NE of Tondano (Kabupaten Minahasa, North Sulawesi) (pop: 33,300)
584 km (363 mi) SE of Budta (Autonomous Region in Muslim Mindanao, Philippines) (pop: 1,273,700)
2610 km (1622 mi) ENE of Jakarta (pop: 8,540,100)
Primary data source: USGS
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 4.71 kmnorth of Halmahera, 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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Earlier earthquakes in the same area

Mag. 4.7 earthquake - North of Halmahera, Indonesia, on Sunday, 12 July 1981 at 17:29 (GMT)
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