Strong mag. 6.4 earthquake - Flores Sea on Friday, 17 August 2018 - information

Strong mag. 6.4 earthquake - Flores Sea, 118 km north of Labuan Bajo, East Nusa Tenggara, Indonesia, on Friday, 17 August 2018 at 15:35 (GMT)

Strong mag. 6.4 earthquake - Flores Sea, 118 km north of Labuan Bajo, East Nusa Tenggara, Indonesia, on Friday, 17 August 2018 at 15:35 (GMT)

Strong magnitude 6.4 earthquake at 550 km depth

17 Aug 15:37 UTC: First to report: GFZ after 3 minutes.
Hypocenter depth recalculated from 568.0 to 564.0 km.
Aug 17 15:41: Magnitude recalculated from 6.8 to 6.3.
Hypocenter depth recalculated from 564.0 to 550.0 km.
Aug 17 15:56: Magnitude recalculated from 6.3 to 6.4.
Date & time: 17 Aug 2018 15:35:02 UTC
Magnitude: 6.4
Depth: 550.0 km
Epicenter latitude / longitude: 7.44°S / 119.82°E (Flores Sea, Indonesia)
Nearest volcano: Sangeang Api (118 km / 73 mi)
Nearby towns and cities:
118 km (73 mi) N of Labuan Bajo (pop: 188,700) --> See nearby quakes!
148 km (92 mi) NNW of Ruteng (Kabupaten Manggarai) (pop: 34,600) --> See nearby quakes!
165 km (103 mi) NE of Bima (pop: 67,000) --> See nearby quakes!
193 km (120 mi) NE of Dompu (pop: 49,000) --> See nearby quakes!
241 km (150 mi) SSE of Galesong (pop: 83,100) --> See nearby quakes!
251 km (156 mi) NNW of Waingapu (pop: 48,800) --> See nearby quakes!
256 km (159 mi) NW of Ende (pop: 77,200) --> See nearby quakes!
258 km (161 mi) S of Makassar (pop: 1,321,700) --> See nearby quakes!
289 km (180 mi) ENE of Sumbawa Besar (pop: 52,700) --> See nearby quakes!
427 km (265 mi) ENE of Mataram (pop: 318,700) --> See nearby quakes!
195 km (121 mi) NW of Flores Island (pop: 1,831,000) --> See nearby quakes!
408 km (253 mi) ENE of Lombok Island (pop: 3,311,000) --> See nearby quakes!
Primary data source: GFZ (German Research Centre for Geosciences)
Estimated released energy: 2.5 x 1014 joules (69.8 gigawatt hours, equivalent to 60036 tons of TNT or 3.8 atomic bombs!) More info
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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.
MagnitudeDepthLocationSource
6.4550 kmFlores SeaGFZ
6.5546 kmFLORES SEAEMSC
6.1545 kmFlores SeaGeoAu
6.5539 km- 109km NNW of Kampungbajo, IndonesiaUSGS

shake map
(shakemap: USGS)

User reports for this quake (544)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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(Indonesia, 524 km W of epicenter) : Everything shaking (Sanur) (reported through EMSC)  
(Indonesia, 524 km W of epicenter) : In Sanur, Denpasar, BALI big shake, some people move to the street (reported through EMSC)  
Denpasar Selatan (Indonesia, 524 km W of epicenter) : About 30 seconds of mild shaking (reported through EMSC)  
(Indonesia, 523 km W of epicenter) : Sanur, Bali (reported through EMSC)  
Denpasar Selatan (Indonesia, 523 km W of epicenter) : Felt in Sanur, bali, woke me up. (reported through EMSC)  
(Indonesia, 523 km W of epicenter) : Light to medium shaking for about 30sec (reported through EMSC)  
(Indonesia, 523 km W of epicenter) : Felt it in Sanur (reported through EMSC)  
(Indonesia, 523 km W of epicenter) : Sanur bali shaking forr a minute or so (reported through EMSC)  
(Indonesia, 519 km W of epicenter) : Light shaking in Ubud. Noticed things on the shelf moving. (reported through EMSC)  
(Indonesia, 518 km W of epicenter) : Made the bed and windows shake (reported through EMSC)  
(Indonesia, 518 km W of epicenter) : Very gentle Shake in Ubud (reported through EMSC)  
(Indonesia, 518 km W of epicenter) : Slight shaking in Ubud. Barely noticeable. (reported through EMSC)  
(Indonesia, 518 km W of epicenter) : Slight shake in Ubud, Bali. (reported through EMSC)  
Ubud (Indonesia, 517 km W of epicenter) : Rütteln des Bettes und klackern der Tür (reported through EMSC)  
(Indonesia, 517 km W of epicenter) : Felt in ubud bali (reported through EMSC)  
(Indonesia, 517 km W of epicenter) : Wobbling in Ubud. About 20-30 seconds. (reported through EMSC)  
(Indonesia, 517 km W of epicenter) : Felt in Ubud Bali. Small shake (bed shaking and little waves on the swimming pool) during about 10s. (reported through EMSC)  
(Indonesia, 516 km W of epicenter) : Slight tremmer (reported through EMSC)  
Ubud (Indonesia, 516 km W of epicenter) : Very slight shaking in bed @Ubud. (reported through EMSC)  
(Indonesia, 516 km W of epicenter) : Little low shaking... Stressed me again. (reported through EMSC)  
Ubud (Indonesia, 516 km W of epicenter) : Sat in a bar at Maya Ubud and felt a 3 second shake. (reported through EMSC)  
(Indonesia, 516 km W of epicenter) : The floor shakes and doors creaks for a few minutes. (reported through EMSC)  
(Indonesia, 515 km W of epicenter) : Ubud, Bali, the glass was shaking in the windows (reported through EMSC)  
(Indonesia, 515 km W of epicenter) : shits poppin off yo (reported through EMSC)  
(Indonesia, 514 km W of epicenter) : Pantai Saba, Bali, light shaking while in bed. (reported through EMSC)  
(Indonesia, 514 km W of epicenter) : Few light tremors at Ubud, Bali. (reported through EMSC)  
(Indonesia, 502 km W of epicenter) : Nusa Lembongan. Doors rattled 5 seconds or more then small tremor underfoot (reported through EMSC)  
(Indonesia, 501 km W of epicenter) : Apparent shaking while sitting down. (reported through EMSC)  
(Indonesia, 494 km W of epicenter) : It was faintly noticable. Yet now, helicopters and airplanes are flying over constantly. (reported through EMSC)  
Manggis (Indonesia, 490 km W of epicenter) : Felt the tremble like three minutes ago in Candidasa. Would've thought it was only my imagination if it wasn't for the hanging towel that moved by itself for quite long seconds (surprisingly a great pointer, especially when you live on a second floor)..Good thing my stuff is still packed so ready to jump and run whenever needed. (reported through EMSC)  
(Indonesia, 486 km W of epicenter) : Slow swaying of our house (reported through EMSC)  
Ampenan (Indonesia, 433 km W of epicenter) : Bergoyang lembut (reported through EMSC)  
Ampenan (Indonesia, 432 km W of epicenter) : Terasa bgt getaran nya (reported through EMSC)  
(Indonesia, 431 km W of epicenter) : Felt in Telagawaru, West Nusa (reported through EMSC)  
(Indonesia, 431 km W of epicenter) : Light (reported through EMSC)  
(Indonesia, 429 km W of epicenter) : Terasa sedikit..kecil kecil (reported through EMSC)  
(Indonesia, 429 km W of epicenter) : Mataram kerasa kecil (reported through EMSC)  
(Indonesia, 429 km W of epicenter) : Feel light shake in mataram NTB (reported through EMSC)  
(Indonesia, 424 km SW of epicenter) : Felt in Kuta Lombok (reported through EMSC)  
(Indonesia, 418 km W of epicenter) : Terasa goyangan di tanjung Kabupaten lombok utara (reported through EMSC)  
Selong (Indonesia, 389 km W of epicenter) : Terasa kecil,halus sampai lombok timur (reported through EMSC)  
(Indonesia, 388 km W of epicenter) : terasa sampai klu, desa senaru, halus tapi cukup kuat dan agak lama (reported through EMSC)  
(Indonesia, 258 km S of epicenter) : One minute mild shaking in waingapu (reported through EMSC)  
(Indonesia, 179 km SW of epicenter) : terasa getaran halus (reported through EMSC)  
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Aftershocks

More info
Recorded aftershocks, latest first (3 quakes):
  • 07 Jan 2019 03:48 UTC
    | M 4.9 |
    45 km (28 mi) depth
    |
    77 km (48 mi) distance
    | EMSC | Details
  • 04 Dec 2018 20:49 UTC
    | M 4.6 |
    422 km (262.2 mi) depth
    |
    19 km (12 mi) distance
    | GFZ | Details
  • 01 Sep 2018 13:10 UTC
    | M 4.5 |
    235 km (146 mi) depth
    |
    54 km (33 mi) distance
    | EMSC | Details

Earlier earthquakes in the same area

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