Moderate mag. 5.5 earthquake - Hokkaido, Japan Region, on Sunday, 10 September 2017 at 08:44 (GMT)
Moderate magnitude 5.5 earthquake at 51 km depth
10 Sep 08:53 UTC: First to report: GFZ after 9 minutes.
Sep 10 08:55: Magnitude recalculated from 5.2 to 5.5.
Hypocenter depth recalculated from 10.0 to 51.0 km.
Sep 10 08:55: Magnitude recalculated from 5.2 to 5.5.
Hypocenter depth recalculated from 10.0 to 51.0 km.
Magnitude: 5.5
Depth: 51.0 km
Epicenter latitude / longitude: 41.82°N / 142.75°E
(Japan)Nearest volcano: E-san (147 km / 91 mi)
Nearby towns and cities:
65 km (41 mi) SSE of Shizunai-furukawachō (pop: 22,400)
128 km (79 mi) SSW of Obihiro (pop: 173,900)
131 km (81 mi) SE of Tomakomai (pop: 174,800)
141 km (87 mi) ENE of Mutsu (pop: 49,200)
143 km (89 mi) SE of Chitose (pop: 92,900)
156 km (97 mi) ESE of Muroran (pop: 96,200)
180 km (112 mi) SE of Sapporo (pop: 1,883,000)
732 km (455 mi) NNE of Tokyo (pop: 8,336,600)
Primary data source: GFZ
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
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.
| Magnitude | Depth | Location | Source |
| M 5.5 | 51 km | Hokkaido, Japan Region | GFZ |
| M 5.5 | 47 km | HOKKAIDO, JAPAN REGION | EMSC |
| M 5.4 | 43 km | - 77km SE of Shizunai, Japan | USGS |
User reports for this quake (2)
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Sapporo / Light shaking (MMI IV)
Chuo Ward (Japan, 182 km NW of epicenter) : Das Gebäude ist erdbebenresistent und schwingt aus. (reported through EMSC)
Aftershocks of the 5.5 quake Hokkaido, Japan Region, 10 September 08:44 UTC
More info
Recorded aftershocks, latest first (0 quakes):So far, no aftershocks have been registered.
Earlier earthquakes in the same area
Moderate mag. 5.5 earthquake - Hokkaido, Japan Region, on Sunday, 10 September 2017 at 08:44 (GMT)Click here to search our database for earlier earthquakes in the same area since 1900!
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