Major magnitude 7.0 earthquake - Indian Ocean, 102 km southwest of Padangsidempuan, North Sumatra, Indonesia, on Thursday, February 4, 1971 at 15:33 (GMT)
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Major magnitude 7.0 earthquake at 30 km depth
1 Jan 00:00 UTC: First to report: USGS after 30 seconds.
Depth: 30.0 km
Epicenter latitude / longitude: 0.653°N / 98.711°E↗ (Indian Ocean, Indonesia)
Antipode: 0.653°S / 81.289°W↗
Nearest volcano: Sorikmarapi (92 km / 57 mi)
Nearby towns and cities:
102 km (63 mi) SW of Padangsidempuan (pop: 100,600) --> See nearby quakes!
121 km (75 mi) S of Sibolga (pop: 79,700) --> See nearby quakes!
204 km (127 mi) SW of Rantauprapat (pop: 103,000) --> See nearby quakes!
211 km (131 mi) NW of Pariaman (pop: 92,200) --> See nearby quakes!
213 km (133 mi) WNW of Bukittinggi (pop: 98,700) --> See nearby quakes!
235 km (146 mi) WNW of Payakumbuh (pop: 121,600) --> See nearby quakes!
255 km (159 mi) NW of Padang (pop: 840,400) --> See nearby quakes!
260 km (161 mi) S of Pematangsiantar (pop: 209,600) --> See nearby quakes!
326 km (203 mi) S of metan (pop: 1,751,000) --> See nearby quakes!
431 km (268 mi) SW of Kuala Lumpur (Malaysia) (pop: 1,454,000) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 2 x 1015 joules (554 gigawatt hours, equivalent to 4.8 x 105 tons of TNT or 29.8 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.
|7.0||30 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.
Recorded aftershocks, latest first (0 quakes)
So far, no aftershocks have been registered.