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Strong mag. 6.1 earthquake - Southern Sumatra, Indonesia on Thursday, 31 August 2017 - information

Strong mag. 6.1 earthquake - Southern Sumatra, Indonesia on Thursday, 31 August 2017

Strong mag. 6.1 earthquake  - Southern Sumatra, Indonesia on Thursday, 31 August 2017
31 Aug 17:10 UTC: First to report: GFZ after 3 minutes.
Aug 31 17:11: Magnitude recalculated from 6.3 to 6.2.
Aug 31 17:13: Magnitude recalculated from 6.2 to 6.1.
Hypocenter depth recalculated from 10.0 to 61.0 km.
Date & time: Thursday, 31 August 2017 17:06 UTC
Magnitude: 6.1
Depth: 61.0 km
Epicenter latitude / longitude: 1.34°S / 99.63°E (Indonesia)
Nearest volcano: Talang (118 km / 73 mi)
Nearby towns and cities:
92 km (57 mi) SW of Padang (pop: 840,400)
97 km (60 mi) SW of Pariaman (pop: 92,200)
129 km (80 mi) SW of Solok (pop: 48,400)
141 km (88 mi) SW of Bukittinggi (pop: 98,700)
168 km (104 mi) SW of Payakumbuh (pop: 121,600)
967 km (601 mi) NW of Jakarta (pop: 8,540,100)
Primary data source: GFZ
Estimated released energy: 8.9 x 1013 joules (24.8 gigawatt hours, equivalent to 21301 tons of TNT or 1.3 atomic bombs!) [learn more]
If you felt this quake (or if you were near the epicenter), please share your experience and submit a short "I felt it" report! Other users would love to hear about it!
Also if you did NOT feel the quake although you were in the area, please report it! Your contribution is valuable also to earthquake science and earthquake hazard analysis and mitigation efforts. You can use your device location or the map to indicate where you were during the earthquake. Thank you!

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.
TimeMag. / DepthLocationSource
Thu, 31 Aug 17:06 UTCM 6.1 / 61 kmSouthern Sumatra, IndonesiaGFZ
Thu, 31 Aug 17:06 UTCM 6.2 / 66 kmKEP. MENTAWAI REGION, INDONESIAEMSC

User reports for this quake (16)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Contribute:
Leave a comment if you find a particular report interesting or want to add to it.
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Send your own user report!
Bukittinggi/Padang / Light shaking (MMI IV) : Still awake that time. Felt strong and long. Our chickens fell out of their cage cause door was not stable. Our cock disapeared and did not even return in daytime. Kids did not wake up cause they were probably very tired...was frightening how strong is the power of Allah...
140.9 km NE of epicenter [Map] / Moderate shaking (MMI V) : Woke me up while sleeping, lastrs quite a long time, second was shorter
Wolvega, Netherland (10373.2 km NW of epicenter) [Map] / not felt
Petaling Jaya Malaysia / Very weak shaking (MMI II) : I was sitting on the chair and suddenly i felt my chair shaking and very quite long. Water in a glass on a table also shaking.For info I was at office 5th floor at that moment.
(Indonesia, 65 km E of epicenter) : Walls and Furniture shaking (reported through EMSC)
George Town (Malaysia, 726 km N of epicenter) : I can felt it at Kajang, Selangor, Malaysia. (reported through EMSC)
Singapore (Singapore, 534 km NE of epicenter) : Was doing work on computer when I felt the chair shaking. The pendant lights in my living room were shaking as well. (reported through EMSC)
(Singapore, 525 km NE of epicenter) : Swaying of chair and pendant lights. (reported through EMSC)
(Singapore, 525 km NE of epicenter) : Bed mildly waves for a sec (reported through EMSC)
Kuala Lumpur (Malaysia, 516 km NE of epicenter) : Slightly shaking in bed (reported through EMSC)
Kuala Lumpur (Malaysia, 515 km NE of epicenter) : Felt in Kuala Lumpur. Sentito bene a Kuala Lumpur. (reported through EMSC)
Petaling Jaya (Malaysia, 507 km NE of epicenter) : I can feel the earth quake in Kelana Jaya, Selangor. (reported through EMSC)
(Indonesia, 155 km NE of epicenter) : Enough to wake me from sleep and long enough to make me panicked (reported through EMSC)
(Indonesia, 136 km NE of epicenter) : I'm now in Payakumbuh and this tremor feels quite strong. Lamp shaking, and you can felt it when you are standing. (reported through EMSC)
(Indonesia, 71 km E of epicenter) : Kencang (reported through EMSC)
(Indonesia, 68 km E of epicenter) : Gemapa sangat kuat (reported through EMSC)

Aftershocks of the 6.1 quake Southern Sumatra, Indonesia, 31 Aug 2017 17:06 UTC

More info
Recorded aftershocks, latest first (2 quakes):
  • 03 Feb 2018 23:23 UTC
    | M 4.7 |
    53 km (32.9 mi) depth
    |
    13 km (8 mi) distance
    | GFZ | Details
  • 03 Feb 2018 23:23 UTC
    | M 4.7 |
    45.7 km (28.4 mi) depth
    |
    6 km (4 mi) distance
    | USGS | Details

Earlier earthquakes in the same area

Strong mag. 6.1 earthquake - Southern Sumatra, Indonesia on Thursday, 31 August 2017

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