M 4.5 earthquake – Balleny Islands region
·
Local time: Mar 25, 1998 · 16:14 (UTC+12)
LightShallow · 10 km
Reviewed by a seismologist
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- Magnitude
- 4.5body-wave magnitude (mb)
- Depth
- 10 kmShallow earthquake
- Epicenter
- -63.718, 148.1292,297 km from Invercargill
- Energy released
- 85 tons of TNTless than one Hiroshima bomb
- Felt reports
- —"Did You Feel It?" responses
- Shaking intensity
- —not estimated
- Aftershocks
- 4M2.5+ within 30 km, up to 60 days
- Significance
- 312USGS score, 0–1,000+
Not rare around here
An earthquake at least as strong struck within 300 km on Mar 25, 1998.
How strong was it?
Light earthquake. It released 85 tons of TNT, 5.6 times less than a magnitude 5.0. Bars use the magnitude scale: every step is about 32 times more energy.
Aftershocks
4 earthquakes of M2.5+ within 30 km in the 60 days after.
The strongest earthquakes within 300 km
Since 1900.
- 8.1 1998 Balleny Islands Earthquake Mar 25, 1998
- 6.4 south of Australia Mar 25, 1998
- 6.3 Balleny Islands region Apr 15, 1939
- 6.1 south of Australia Mar 5, 2000
- 5.9 south of Australia Aug 3, 2007
- 5.8 south of Australia Feb 23, 2016
- 5.8 south of Australia Mar 25, 1998
- 5.7 south of Australia Mar 31, 1998