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Strong mag. 6.1 earthquake - New Britain Region, P.N.G., Papua New Guinea on Thursday, 1 October 2020 - information

Strong mag. 6.1 earthquake - Solomon Sea, 196 km northeast of Lae, Morobe Province, Papua New Guinea, on 1 Oct 8:34 pm (GMT +10)

Strong mag. 6.1 earthquake - Solomon Sea, 196 km northeast of Lae, Morobe Province, Papua New Guinea, on 1 Oct 8:34 pm (GMT +10) Strong mag. 6.1 earthquake - Solomon Sea, 196 km northeast of Lae, Morobe Province, Papua New Guinea, on 1 Oct 8:34 pm (GMT +10)

Strong magnitude 6.1 earthquake at 74 km depth

1 Oct 10:42 UTC: First to report: GFZ after 8 minutes.
1 Oct 10:44: Magnitude recalculated from 6.0 to 5.9. Hypocenter depth recalculated from 95.0 to 97.0 km (from 59 to 60 mi). Epicenter location corrected by 7 km (4.4 mi) towards NNE.
1 Oct 10:50: Hypocenter depth recalculated from 97.0 to 74.0 km (from 60 to 46 mi). Epicenter location corrected by 11.1 km (6.9 mi) towards NW.
1 Oct 10:53: Magnitude recalculated from 5.9 to 6.1.

Earthquake details

Date & timeOct 1, 2020 10:34:44 UTC
Local time at epicenter1 Oct 8:34 pm (GMT +10)
StatusConfirmed
Magnitude6.1
Depth74.0 km
Epicenter latitude / longitude5.98°S / 148.6°E (Solomon Sea, Papua New Guinea)
Antipode5.98°N / 31.4°W
Shaking intensityLight shaking
Felt49 reports
Primary data sourceGFZ (German Research Centre for Geosciences)
Nearest volcanoLangila (69 km / 43 mi)
Nearby towns and cities108 km (67 mi) WNW of Kandrian (pop: 1,010) | Show on map | Quakes nearby
177 km (110 mi) WSW of Kimbe (Talasea District) (pop: 18,800) | Show on map | Quakes nearby
196 km (122 mi) ENE of Lae (pop: 76,300) | Show on map | Quakes nearby
256 km (159 mi) ENE of Bulolo (pop: 16,000) | Show on map | Quakes nearby
257 km (160 mi) NE of Wau (pop: 14,600) | Show on map | Quakes nearby
312 km (194 mi) N of Popondetta (Sohe) (pop: 28,200) | Show on map | Quakes nearby
323 km (200 mi) ESE of Madang (pop: 27,400) | Show on map | Quakes nearby
356 km (221 mi) E of Goroka (pop: 18,500) | Show on map | Quakes nearby
420 km (261 mi) NNE of Port Moresby (pop: 283,700) | Show on map | Quakes nearby
450 km (280 mi) SSW of Kavieng (pop: 14,500) | Show on map | Quakes nearby
242 km (150 mi) W of New Britain Island (pop: 513,900) | Show on map | Quakes nearby
Weather at epicenter at time of quakeOvercast Clouds 26.9°C (80 F), humidity: 84%, wind: 10 m/s (20 kts) from SE
Estimated seismic energy released8.9 x 1013 joules (24.8 gigawatt hours, equivalent to 21301 tons of TNT or 1.3 atomic bombs!) | about seismic energy
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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.
Mag.DepthLocationSource
6.174 kmNew Britain Region, P.N.G., Papua New GuineaGFZ
6.080 kmNew Britain Region, P.n.g., Papua New GuineaEMSC
6.0109 km99 Km W of Kandrian, Papua New GuineaUSGS
6.089 kmNew Britain Region, P.N.G., Papua New GuineaGeoAu
6.177 kmPapua New Guinea [Sea]INGV
6.186 kmNew Britain Region, P.N.G., Papua New GuineaBMKG

Seismograms

Seismic station: Port Moresby, New Guinea (PMG/IU network) | Distance from quake: 413 km / 256 mi | Show on map | Station Info
Seismic station Port Moresby, New Guinea: vertical movement plot around time of quake (source: IRIS/BUD)
Seismogram (vertical component) around time of quake. Thin dotted red line indicates time of quake. Seismic waves arrive some time later, depending on distance. Source: IRIS Buffer of Uniform Data (BUD) webtool
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User reports for this quake (59)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Kulilau, RAIKOS DISTRICT, Madang. (257.2 km W of epicenter) [Map] / Weak shaking (MMI III) : I was the only one from 6 of us together who felt it slightly because I was sitting by myself not talking to others. Then I looked to the flowers and saw their leaves moving. There was no wind blowing and the time given was exactly the same.  
Port Moresby (430.6 km SSW of epicenter) [Map] / Very weak shaking (MMI II) : Sitting down the chair moved side to side, ground floor. Concrete slab house.  
Port Moresby, National Capital (413.2 km SSW of epicenter) [Map] / Very weak shaking (MMI II)
Aling kimbe (town) west new britain (176.6 km ENE of epicenter) [Map] / Strong shaking (MMI VI)
Lae, Morobe (194 km WSW of epicenter) [Map] / Light shaking (MMI IV) / 2-5 s
25 km of Kimbe, West New Britain (169.7 km E of epicenter) [Map] / Moderate shaking (MMI V) : Felt Shakey, went on for almost 30 seconds  
Port Moresby, Tubusereia (434.4 km SSW of epicenter) [Map] / Weak shaking (MMI III)
Wewak (626.4 km WNW of epicenter) [Map] / not felt
Hoskins, Kasia village (230.2 km ENE of epicenter) [Map] / Light shaking (MMI IV)
Boroko (404.9 km SSW of epicenter) [Map] / Very weak shaking (MMI II) / 1-2 s
Lae, Papua New Guinea (193.8 km WSW of epicenter) [Map] / Light shaking (MMI IV)
Kimbe (174.5 km ENE of epicenter) [Map] / Light shaking (MMI IV) / horizontal (sideways) swinging / 15-20 s
Kimbe, West New Britain (181.5 km ENE of epicenter) [Map] / Light shaking (MMI IV) : No effects on livelihoods  
Port Moresby, Geregu Tauriganika drive (418.9 km SSW of epicenter) [Map] / Weak shaking (MMI III) / vertical swinging (up and down) : It hard a swaying effect  
Port Moresby 7mile Kennedy Estate (448.5 km SSW of epicenter) [Map] / Weak shaking (MMI III)
Nadzab, Lae (214.3 km WSW of epicenter) [Map] / Very weak shaking (MMI II) / 1-2 s
47 km of Lae, Morobe (149 km WSW of epicenter) [Map] / Light shaking (MMI IV)
Port Moresby, National Capital (419.6 km SSW of epicenter) [Map] / Light shaking (MMI IV) / 1-2 s
Kimbe, West New Britain (182.7 km ENE of epicenter) [Map] / Weak shaking (MMI III) / horizontal (sideways) swinging
Goroka (349.7 km W of epicenter) [Map] / Weak shaking (MMI III) / 10-15 s
Pruth Street, Port Moresby (419.3 km SSW of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 10-15 s
near Goroka, Eastern Highlands (353.1 km W of epicenter) [Map] / Very weak shaking (MMI II) / 5-10 s (reported through our app)
Lae (194.8 km WSW of epicenter) [Map] / Light shaking (MMI IV) / both vertical and horizontal swinging / 2-5 s
Port Moresby, National Capital (414.7 km SSW of epicenter) [Map] / Weak shaking (MMI III) (reported through our app)
Umi, Markham Valley, Lae, Morobe Province, PNG / Strong shaking (MMI VI) : It was terrible as I was staying upstairs on a two story house. I thought the epicenter was somewhere nearby. | 2 users found this interesting.  
Lae / Weak shaking (MMI III) / 5-10 s : I was sleeping on the bed watching television and the bed started shaking. It shook for about 10 seconds and was very mild  
Skyview Estates, 7 Mile, Port Moresby / Weak shaking (MMI III) / single vertical bump / very short : I live in house that is ground level ( not on post) but still felt it while sitting on my bed in my bedroom. This was on Thursday 1st October at around 8:30pm. I thought I was dizzy, but realised it was an earthquake.  
Port Moresby, Papua New Guinea / Light shaking (MMI IV) / single vertical bump / 2-5 s : I was outside when I suddenly felt that shake I thought it someone walking i side the house, however, few minutes later I realized it was an earthquake..I am currently living in 14 mile, Central Province, National Capital District But I can still feel the  
Hanuabada village, Port Moresby. / Moderate shaking (MMI V)
Port Moresby / Very weak shaking (MMI II) / 20-30 s : The light tremor was felt not more than a minute.  
Tabubil / not felt
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Aftershocks

[More info]

Recorded aftershocks, latest first (4 quakes)

Date and timeMag
Depth
LocationDetails
Jan 30, 2021 13:29
1 year 44 weeks ago
4.5

130 km
West New Britain Province, 51 km SE of Ritter Island, Papua New GuineaMore
Jan 25, 2021 11:34
1 year 44 weeks ago
4.5

203 km
28 km SW of Nutanuvua Island, West New Britain Province, Papua New GuineaMore
Jan 16, 2021 06:37
1 year 46 weeks ago
5.0

130 km
148 km W of Kimbe, Talasea District, West New Britain Province, Papua New GuineaMore
Nov 18, 2020 10:23
2 years ago
4.6

97 km
Solomon Sea, 146 km NE of Lae, Morobe Province, Papua New GuineaMore

Earlier earthquakes in the same area

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