Moderate mag. 4.5 earthquake - Indian Ocean, 112 km south of Nias Island, North Sumatra, Indonesia, on Tuesday, 11 May 2004 at 09:22 (GMT)
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Moderate magnitude 4.5 earthquake at 20 km depth
1 Jan 00:00 UTC: First to report: USGS after 30 seconds.
Depth: 20.0 km
Epicenter latitude / longitude: 0.118°N / 97.607°E (Indian Ocean, Indonesia)
Nearest volcano: Sorikmarapi (224 km / 139 mi)
Nearby towns and cities:
223 km (138 mi) SW of Sibolga (pop: 79,700) --> See nearby quakes!
232 km (144 mi) SW of Padangsidempuan (pop: 100,600) --> See nearby quakes!
242 km (150 mi) S of Singkil (pop: 46,800) --> See nearby quakes!
291 km (181 mi) WNW of Pariaman (pop: 92,200) --> See nearby quakes!
311 km (193 mi) W of Bukittinggi (pop: 98,700) --> See nearby quakes!
328 km (204 mi) WNW of Padang (pop: 840,400) --> See nearby quakes!
331 km (206 mi) SW of Rantauprapat (pop: 103,000) --> See nearby quakes!
339 km (210 mi) W of Payakumbuh (pop: 121,600) --> See nearby quakes!
403 km (250 mi) SSW of Medan (pop: 1,751,000) --> See nearby quakes!
565 km (351 mi) SW of Kuala Lumpur (Malaysia) (pop: 1,454,000) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 3.5 x 1011 joules (98.6 megawatt hours, equivalent to 84.8 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.
|4.5||20 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.