Moderate mag. 5.5 earthquake - Akkeshi-gun, 27 km northeast of Kushiro, Hokkaido, Japan, on Friday, March 11, 2005 at 18:47 (GMT)

Moderate mag. 5.5 earthquake - Akkeshi-gun, 27 km northeast of Kushiro, Hokkaido, Japan, on Friday, March 11, 2005 at 18:47 (GMT)

Moderate magnitude 5.5 earthquake at 54 km depth

1 Jan 00:00 UTC: First to report: USGS after 30 seconds.
Date & time: Mar 11, 2005 18:47:36 UTC
Magnitude: 5.5
Depth: 54.1 km
Epicenter latitude / longitude: 43.085°N / 144.674°E (Akkeshi-gun, Hokkaido, Japan)
Antipode: 43.085°S / 35.326°W
Nearest volcano: Mashu (48 km / 30 mi)
Nearby towns and cities:
27 km (17 mi) ENE of Kushiro (pop: 183,600) --> See nearby quakes!
74 km (46 mi) SSW of Shibetsu (pop: 21,700) --> See nearby quakes!
78 km (48 mi) WSW of Nemuro (pop: 31,200) --> See nearby quakes!
95 km (59 mi) SSE of Motomachi (Abashiri District) (pop: 23,000) --> See nearby quakes!
102 km (63 mi) SE of Kitami (pop: 113,100) --> See nearby quakes!
109 km (68 mi) SSE of Abashiri (pop: 42,500) --> See nearby quakes!
120 km (75 mi) E of Otofuke (pop: 40,900) --> See nearby quakes!
121 km (75 mi) E of Obihiro (pop: 173,900) --> See nearby quakes!
270 km (168 mi) E of Sapporo (pop: 1,883,000) --> See nearby quakes!
927 km (576 mi) NNE of Tokyo (pop: 8,336,600) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1.1 x 1013 joules (3.12 gigawatt hours, equivalent to 2682 tons of TNT or 0.2 atomic bombs!) More info
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Data for the same earthquake reported by different agencies

Info: The more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.
Mag.DepthLocationSource
5.554 kmHokkaido, Japan regionUSGS
Note: for quakes of 2012 and earlier, our database often contains only records from USGS.

User reports for this quake

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
There are no user reports for this quake yet. If you felt it be the first to report it!
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Aftershocks

[More info]

Recorded aftershocks, latest first (1 quake)

  • 20 Apr 2005 07:41 UTC
    | M 4.2 |
    10 km (6.2 mi) depth
    |
    10 km (6 mi) distance
    | USGS | Details

Earlier earthquakes in the same area

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