M 6.8 earthquake – 98 km NNE of Naze, Japan
·
Local time: Oct 30, 2009 · 16:03 (UTC+9)
StrongShallow · 34 km
Reviewed by a seismologist
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- Magnitude
- 6.8moment magnitude (mwc)
- Depth
- 34 kmShallow earthquake
- Epicenter
- 29.218, 129.78298 km from Amami
- Energy released
- 239 kilotons of TNTabout 16 × Hiroshima
- Felt reports
- —"Did You Feel It?" responses
- Shaking intensity
- 5.6max. instrumental (MMI)
- Aftershocks
- 0M2.5+ within 56 km
- Significance
- 711USGS score, 0–1,000+
The strongest here since 1995
The last earthquake at least as strong within 300 km struck on Oct 19, 1995.
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, around Japan.
- 7.9 108 km NW of Naze, Japan Jun 15, 1911
- 7.6 78 km S of Naze, Japan Jun 16, 1938
- 7.4 152 km ESE of Koshima, Japan Feb 1, 1916
- 7.4 22 km N of Nishinoomote, Japan Jul 13, 1923
- 7.2 Ryukyu Islands, Japan Jun 24, 1901
- 7.2 101 km NE of Naze, Japan Nov 5, 1923
- 7.1 83 km SE of Naze, Japan Oct 18, 1995
- 7.1 61 km ESE of Nishinoomote, Japan Aug 24, 1904
In the week before
Earthquakes within 56 km in the 7 days before this one: possible foreshocks.