Major magnitude 7.4 earthquake - Halmahera Sea, 13 km west of Pulau Walo Island, West Papua, Indonesia, on Sunday, October 7, 1923 at 03:29 (GMT)
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Major magnitude 7.4 earthquake at 15 km depth
Depth: 15.0 km
Epicenter latitude / longitude: 1.231°S / 129.55°E↗ (Halmahera Sea, Indonesia)
Antipode: 1.231°N / 50.45°W↗
Nearest volcano: Bibinoi (210 km / 130 mi)
Nearby towns and cities:
194 km (121 mi) WSW of Sorong (pop: 125,500) --> See nearby quakes!
245 km (152 mi) NNE of Amahai (pop: 47,700) --> See nearby quakes!
311 km (193 mi) SE of Sofifi (Kota Tidore Kepulauan) (pop: 36,200) --> See nearby quakes!
313 km (195 mi) NNE of Ambon City (pop: 355,600) --> See nearby quakes!
330 km (205 mi) SE of Ternate (pop: 101,700) --> See nearby quakes!
371 km (231 mi) SSE of Tobelo (Kabupaten Halmahera Utara) (pop: 10,000) --> See nearby quakes!
430 km (267 mi) NW of Mas (pop: 320) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 7.9 x 1015 joules (2206 gigawatt hours, equivalent to 1.9 x 106 tons of TNT or 118.7 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.
|7.4||15 km||Papua region, Indonesia||USGS|
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Recorded aftershocks, latest first (0 quakes)
So far, no aftershocks have been registered.