Strong mag. 6.7 earthquake - Banda Sea on Tuesday, 24 October 2017 - information
Strong mag. 6.7 earthquake - Banda Sea, 176 km northeast of Maumere, East Nusa Tenggara, Indonesia, on Tuesday, 24 Oct 2017 10:47 am (GMT +0)
Strong magnitude 6.7 earthquake at 548 km depth
24 Oct 10:50 UTC: First to report: GFZ after 3 minutes.
Oct 24 10:51: Magnitude recalculated from 6.8 to 6.7.
Hypocenter depth recalculated from 578.0 to 566.0 km.
Oct 24 10:54: Magnitude recalculated from 6.7 to 6.3.
Hypocenter depth recalculated from 566.0 to 556.0 km.
Oct 24 11:01: Magnitude recalculated from 6.3 to 6.7.
Hypocenter depth recalculated from 556.0 to 548.0 km.
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Date & time: 24 Oct 2017 10:47:47 UTC
Local time at epicenter: Tuesday, 24 Oct 2017 10:47 am (GMT +0)
Magnitude: 6.7
Depth: 548.0 km
Epicenter latitude / longitude: 7.27°S / 123.04°E
(
Banda Sea,
Indonesia)
Nearest volcano:
Batu Tara (70 km / 43 mi)
Nearby towns and cities:176 km (109 mi) NNE of Maumere (pop: 47,600) -->
See nearby quakes!232 km (144 mi) NE of Ende (pop: 77,200) -->
See nearby quakes!266 km (165 mi) SSE of Katabu (pop: 42,800) -->
See nearby quakes!289 km (179 mi) NW of Atambua (Kabupaten Belu) (pop: 35,800) -->
See nearby quakes!289 km (180 mi) NW of Kefamenanu (Kabupaten Timor Tengah Utara) (pop: 29,500) -->
See nearby quakes!314 km (195 mi) WNW of Delhi (Timor-Leste) (pop: 150,000) -->
See nearby quakes!329 km (204 mi) N of Kupang (pop: 282,400) -->
See nearby quakes!371 km (230 mi) S of Kendari (pop: 195,000) -->
See nearby quakes!373 km (232 mi) ENE of Labuan Bajo (pop: 188,700) -->
See nearby quakes!463 km (288 mi) ESE of Makassar (pop: 1,321,700) -->
See nearby quakes!259 km (161 mi) NE of Flores Island (pop: 1,831,000) -->
See nearby quakes!184 km (114 mi) NW of Pura Island (pop: 5,350) -->
See nearby quakes!369 km (230 mi) WNW of Timor Island (pop: 3,182,700) -->
See nearby quakes!
Primary data source:
GFZ (German Research Centre for Geosciences)
Estimated released energy: 7.1 x 10
14 joules (197 gigawatt hours, equivalent to 1.7 x 10
5 tons of TNT or 10.6 atomic bombs!)
More info
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Data for the same earthquake reported by different agencies
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| Mag. | Depth | Location | Source |
| 6.7 | 548 km | Banda Sea | GFZ |
| 6.5 | 550 km | BANDA SEA | EMSC |
| 6.7 | 549 km | - 141km NNE of Palue, Indonesia | USGS |
![shake map]()
(shakemap: USGS)
User reports for this quake (14)
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England / Weak shaking (MMI III)
Dili, timor leste / Very weak shaking (MMI II)
Seminyak, Bali (881.6 km W of epicenter) [Map] / Light shaking (MMI IV)
: I have seated on the bed and it started shaking. It was pretty strong. (reported through our app)
Wolvega, Netherland (12447.1 km NW of epicenter) [Map] / Very weak shaking (MMI II)
Palmerston, Northern Territory (1045.9 km SE of epicenter) [Map] / Very weak shaking (MMI II)
: Gentle tremble for about 10 seconds on 5th floor. (reported through our app)
Ubud, Bali (868.1 km W of epicenter) [Map] / Weak shaking (MMI III)
: Bed shaking for about 20 sec (reported through our app)
Bali / Light shaking (MMI IV) : freely suspended wall shaked
Seminyak, Bali, Indonesia / Weak shaking (MMI III) : Light shaking of the bed. Ceiling-Lamp swinging very slightly. Drink in a glass moving, as well as the pool. Duration: around 30 seconds.
Legian, Bali (876.7 km W of epicenter) [Map] / Light shaking (MMI IV)
(reported through our app)
Sanur / Very weak shaking (MMI II)
Díli (Timor-Leste, 311 km SE of epicenter) : I was sitting on an office chair in the 3rd floor when I felt it moving and heard the wall separations to make a sound due to the shaking. (reported through EMSC)
(Timor-Leste, 326 km SE of epicenter) : Just shake a little (reported through EMSC)
Venilale (Timor-Leste, 397 km E of epicenter) : We felt this earthquake in Venilale, East Timor. (reported through EMSC)
Díli (Timor-Leste, 311 km SE of epicenter) : I have a hanging wardrobe and everything swung back and forth. No noise, eerily quiet. Home alone with dogs and no strange behaviour from them (reported through EMSC)
Look up aftershocks or earlier quakes
Aftershocks
More info
Based on its magnitude, the fault that was active during the quake ruptured along a surface of approx. 501 km
2 (=194 sqare miles) as a first-order estimate. The length of the rupture zone thus was probably around 39 km (24 mi).
Aftershocks typically occur during the weeks and months following the quake at or near the same fault, at distances of up to approx. two times the length of the rupture zone.
The often broadly linear arrangement of aftershock epicenters encompasses the rupture zone of the main shock (check on the
map below to verify).
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