M 6.8 earthquake – Balleny Islands region
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Local time: Mar 24, 1945 · 11:14 (UTC+12)
StrongShallow · 10 km
Reviewed by a seismologist
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- Magnitude
- 6.8moment magnitude (mw)
- Depth
- 10 kmShallow earthquake
- Epicenter
- -61.471, 155.4541,871 km from Invercargill
- Energy released
- 239 kilotons of TNTabout 16 × Hiroshima
- Felt reports
- —"Did You Feel It?" responses
- Shaking intensity
- —not estimated
- Aftershocks
- 0M2.5+ within 56 km
- Significance
- 713USGS 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?
Strong earthquake. It released 239 kilotons of TNT, 501 times the energy of a magnitude 5.0. Bars use the magnitude scale: every step is about 32 times more energy.
The strongest earthquakes within 300 km
Since 1900.
- 6.8 Macquarie Island region Sep 3, 1987
- 6.7 Balleny Islands region Jun 21, 1995
- 6.6 west of Macquarie Island Dec 12, 2021
- 6.6 west of Macquarie Island Oct 9, 2012
- 6.5 west of Macquarie Island Aug 9, 2008
- 6.4 west of Macquarie Island Aug 14, 1925
- 6.4 Balleny Islands region Feb 3, 1995
- 6.4 west of Macquarie Island Jun 29, 1993