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Major mag. 7.9 earthquake - Solomon Islands on Sunday, 22 January 2017 - information

Major mag. 7.9 earthquake - Solomon Islands on Sunday, 22 January 2017

Major mag. 7.9 earthquake  - Solomon Islands on Sunday, 22 January 2017
22 Jan 04:36 UTC: First to report: GFZ after 6 minutes.
Jan 22 04:37: Magnitude recalculated from 7.9 to 8.0.
Hypocenter depth recalculated from 167.0 to 169.0 km.
Jan 22 04:38: Magnitude recalculated from 8.0 to 7.9.
Hypocenter depth recalculated from 169.0 to 171.0 km.
Hypocenter depth recalculated from 171.0 to 170.0 km.
Hypocenter depth recalculated from 170.0 to 172.0 km.
Hypocenter depth recalculated from 172.0 to 173.0 km.
Hypocenter depth recalculated from 173.0 to 174.0 km.
Hypocenter depth recalculated from 174.0 to 173.0 km.
Hypocenter depth recalculated from 173.0 to 172.0 km.
Date & time: Sunday, 22 January 2017 04:30 UTC
Magnitude: 7.9
Depth: 172.0 km
Epicenter latitude / longitude: 6.21°S / 155°E (Papua New Guinea)
Nearest volcano: Bagana (22 km / 14 mi)
Nearby towns and cities:
63 km (39 mi) W of Arawa (pop: 40,300)
94 km (58 mi) SE of Buka (pop: 0)
164 km (102 mi) NW of Taro (pop: 0)
Primary data source: GFZ
Estimated released energy: 4.5 x 1016 joules (12408 gigawatt hours, equivalent to 1.1 x 107 tons of TNT or 667.2 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
Sun, 22 Jan 04:30 UTCM 7.9 / 172 kmSolomon IslandsGFZ
Sun, 22 Jan 04:30 UTCM 8.0 / 163 km BOUGAINVILLE REGION, P.N.G.EMSC
Sun, 22 Jan 04:30 UTCM 7.9 / 136 km- 41km WNW of Panguna, Papua New GuineaUSGS

shake map
(shakemap: USGS)

User reports for this quake

User reports estimate the perceived ground shaking intensity according to the MMI (modified Mercalli) scale.
Contribute:
Leave a comment if you find a particular report interesting or want to add to it.
Flag as inappropriate.
Mark as helpful or interesting.
Send your own experience report!
South Bend, Indiana USA (12833.6 km NE of epicenter) [Map] / Very weak shaking (MMI II) : While setting in a rocking chair, the chair was shaking back & forth for probably 15-20 seconds my husband was on the couch but felt nothing. After about 10 seconds it started again lasting about same length of time.
Lae / Light shaking (MMI IV)
Dundalk, MD / Very weak shaking (MMI II) : Hardly felt but was noticed.
Kokopo (Papua New Guinea, 374 km NW of epicenter) : Items fell, house shook violently (reported through EMSC)
(Papua New Guinea, 956 km W of epicenter) : Gentle rocking of the office and buildings for approx 10-20sec, then reduced in intensity for 4-10eecs, followed by another 10-29secs of stronger tremors. (reported through EMSC)

Aftershocks of the 7.9 quake: Solomon Islands, 22 Jan 2017 04h30

Show info about this
List of recorded aftershocks, latest first (217 quakes):
  • 12 Jan 2019 17:13 UTC
    | M 5.3 |
    68 km (42.3 mi) depth
    |
    320 km (199 mi) distance
    | GeoAu | Details
  • 06 Jan 2019 07:30 UTC
    | M 5.1 |
    400 km (248.5 mi) depth
    |
    346 km (215 mi) distance
    | EMSC | Details
  • 06 Jan 2019 07:29 UTC
    | M 5.4 |
    10 km (6.2 mi) depth
    |
    355 km (221 mi) distance
    | GFZ | Details
  • 29 Dec 2018 15:34 UTC
    | M 5.3 |
    68 km (42.3 mi) depth
    |
    384 km (239 mi) distance
    | GFZ | Details
  • 29 Dec 2018 15:34 UTC
    | M 5.3 |
    68 km (42.3 mi) depth
    |
    384 km (239 mi) distance
    | GFZ | Details
  • 27 Dec 2018 02:20 UTC
    | M 4.7 |
    10 km (6.2 mi) depth
    |
    254 km (158 mi) distance
    | EMSC | Details
  • 27 Dec 2018 02:20 UTC
    | M 4.7 |
    10 km (6.2 mi) depth
    |
    254 km (158 mi) distance
    | EMSC | Details
  • 22 Dec 2018 07:36 UTC
    | M 4.7 |
    10 km (6.2 mi) depth
    |
    273 km (170 mi) distance
    | USGS | Details
  • 22 Dec 2018 07:36 UTC
    | M 4.7 |
    10 km (6.2 mi) depth
    |
    273 km (170 mi) distance
    | USGS | Details
  • 21 Dec 2018 12:26 UTC
    | M 5.0 |
    10 km (6.2 mi) depth
    |
    335 km (208 mi) distance
    | GFZ | Details
  • 21 Dec 2018 12:26 UTC
    | M 5.0 |
    10 km (6.2 mi) depth
    |
    335 km (208 mi) distance
    | GFZ | Details
  • 21 Dec 2018 08:30 UTC
    | M 5.7 |
    10 km (6.2 mi) depth
    |
    367 km (228 mi) distance
    | GFZ | Details
  • 21 Dec 2018 08:30 UTC
    | M 5.7 |
    10 km (6.2 mi) depth
    |
    367 km (228 mi) distance
    | GFZ | Details
  • 21 Dec 2018 07:28 UTC
    | M 5.0 |
    40 km (24.9 mi) depth
    |
    311 km (193 mi) distance
    | EMSC | Details
  • 21 Dec 2018 07:28 UTC
    | M 5.0 |
    40 km (24.9 mi) depth
    |
    311 km (193 mi) distance
    | EMSC | Details
  • 21 Dec 2018 06:33 UTC
    | M 5.7 |
    10 km (6.2 mi) depth
    |
    366 km (227 mi) distance
    | GFZ | Details
  • Show all

Map of aftershocks

Significant earthquakes in the same area since 1900

Major mag. 7.9 earthquake - Solomon Islands on Sunday, 22 January 2017
 

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