M 8.1 earthquake – 1919 Papua New Guinea Earthquake
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Local time: May 7, 1919 · 05:41 (UTC+10)
GreatShallow · 35 km
Reviewed by a seismologist
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- Magnitude
- 8.1moment magnitude (mw)
- Depth
- 35 kmShallow earthquake
- Epicenter
- -4.806, 153.859184 km from Kokopo
- Energy released
- 21 megatons of TNTabout 1,420 × Hiroshima
- Felt reports
- —"Did You Feel It?" responses
- Shaking intensity
- 6.5max. instrumental (MMI)
- Aftershocks
- 1M2.5+ within 327 km, up to 60 days
- Significance
- 1,022USGS score, 0–1,000+
The strongest within 300 km on record
No earthquake this strong has been recorded this close since our catalog begins in 1900.
How strong was it?
Great earthquake. It released 21 megatons of TNT, 44,668 times the energy of a magnitude 5.0. Bars use the magnitude scale: every step is about 32 times more energy.
Aftershocks
1 earthquakes of M2.5+ within 327 km in the 60 days after.
The strongest earthquakes within 300 km
Since 1900, around Papua New Guinea.
- 8.1 1971 Bougainville Earthquake Jul 26, 1971
- 8.0 2000 New Ireland Earthquake Nov 16, 2000
- 8.0 1971 New Britain Earthquake Jul 14, 1971
- 8.0 60 km SE of Kokopo, Papua New Guinea Jan 1, 1916
- 7.9 35 km WNW of Panguna, Papua New Guinea Jan 22, 2017
- 7.9 140 km E of Kokopo, Papua New Guinea Dec 17, 2016
- 7.9 56 km WSW of Panguna, Papua New Guinea Jul 20, 1975
- 7.8 74 km SSW of Kokopo, Papua New Guinea Feb 2, 1920