Light mag. 4.7 earthquake - Indian Ocean, 104 km south of Nias Island, North Sumatra, Indonesia, on Wednesday, 6 October 2004 at 06:47 (GMT)
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Light magnitude 4.7 earthquake at 49 km depth
1 Jan 00:00 UTC: First to report: USGS after 30 seconds.
Depth: 49.3 km
Epicenter latitude / longitude: 0.255°N / 97.966°E (Indian Ocean, Indonesia)
Nearest volcano: Sorikmarapi (181 km / 112 mi)
Nearby towns and cities:
188 km (117 mi) SSW of Sibolga (pop: 79,700) --> See nearby quakes!
192 km (119 mi) SW of Padangsidempuan (pop: 100,600) --> See nearby quakes!
227 km (141 mi) S of Singkil (pop: 46,800) --> See nearby quakes!
259 km (161 mi) WNW of Pariaman (pop: 92,200) --> See nearby quakes!
275 km (171 mi) WNW of Bukittinggi (pop: 98,700) --> See nearby quakes!
292 km (181 mi) SW of Rantauprapat (pop: 103,000) --> See nearby quakes!
297 km (185 mi) WNW of Padang (pop: 840,400) --> See nearby quakes!
301 km (187 mi) W of Payakumbuh (pop: 121,600) --> See nearby quakes!
378 km (235 mi) S of Medan (pop: 1,751,000) --> See nearby quakes!
388 km (241 mi) W of Pekanbaru (pop: 704,000) --> 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
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.
|4.7||49 km||Nias region, Indonesia||USGS|
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.