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M 8.2 earthquake – 2018 Fiji Earthquake

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Local time: Aug 19, 2018 · 12:19 (UTC+12)

GreatDeep · 600 kmPAGER greenTsunami information issued Reviewed by a seismologist
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Magnitude
8.2moment magnitude (mww)
Depth
600 kmDeep earthquake
Epicenter
-18.113, -178.153323 km from Labasa
Energy released
30 megatons of TNTabout 2,006 × Hiroshima
Felt reports
36"Did You Feel It?" responses
Shaking intensity
4.0max. instrumental (MMI)
Aftershocks
500M2.5+ within 375 km, up to 60 days
Significance
1,052USGS 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 30 megatons of TNT, 63,096 times the energy of a magnitude 5.0. Bars use the magnitude scale: every step is about 32 times more energy.

Chile 1960 M 9.5
Japan 2011 M 9.1
This earthquake M 8.2
San Francisco 1906 M 7.9
Turkey 2023 M 7.8
Haiti 2010 M 7.0
Northridge 1994 M 6.7

Aftershocks

500 earthquakes of M2.5+ within 375 km in the 60 days after.

The strongest earthquakes within 300 km

Since 1900.

In the week before

Earthquakes within 375 km in the 7 days before this one: possible foreshocks.