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Light mag. 4.4 earthquake - Hokkaido, Japan Region on Sunday, 18 October 2020

Light mag. 4.4 earthquake  - Hokkaido, Japan Region on Sunday, 18 October 2020
18 Oct 12:32 UTC: First to report: EMSC after 9 minutes.
18 Oct 12:41: Magnitude recalculated from 4.1 to 4.4. Epicenter location corrected by 17.1 km (10.6 mi) towards WNW.
18 Oct 13:44: Hypocenter depth recalculated from 60.0 to 63.0 km (from 37 to 39 mi). Epicenter location corrected by 10.6 km (6.6 mi) towards SE.
18 Oct 14:10: Hypocenter depth recalculated from 63.0 to 66.0 km (from 39 to 41 mi). Epicenter location corrected by 2 km (1.2 mi) towards ESE.
Date & time: Sunday, 18 October 2020 12:23 UTC
Local time at epicenter: 18 Oct 9:23 pm (GMT +9)
Magnitude: 4.4
Depth: 66.0 km
Epicenter latitude / longitude: 42.17°N / 142.82°E (Japan)
Nearest volcano: Shikotsu (136 km / 85 mi)
Nearby towns and cities:
42 km (26 mi) SE of Shizunai-furukawachō (pop: 22,400)
89 km (55 mi) SW of Obihiro (pop: 173,900)
97 km (60 mi) SW of Otofuke (pop: 40,900)
156 km (97 mi) SE of Sapporo (pop: 1,883,000)
182 km (113 mi) SE of Asahikawa (pop: 356,600)
770 km (478 mi) NE of Tokyo (pop: 8,336,600)
Weather at epicenter at time of quake:
Few Clouds 8°C (46 F), humidity: 70%, wind: 1 m/s (1 kts)
Primary data source: EMSC
Estimated released energy: 2.5 x 1011 joules (69.8 megawatt hours, equivalent to 60 tons of TNT) [learn more]
If you felt this quake (or if you were near the epicenter), please share your experience and submit a short "I felt it" report! Other users would love to hear about it!
Also if you did NOT feel the quake although you were in the area, please report it! Your contribution is valuable also to earthquake science and earthquake hazard analysis and mitigation efforts. You can use your device location or the map to indicate where you were during the earthquake. Thank you!

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.
TimeMag. / DepthLocationSource
18 Oct 9:23 pm (GMT +9) (18 Oct 12:23:33 UTC)M 4.4 / 66 kmHokkaido, Japan RegionEMSC
Sun, 18 Oct 12:23 UTCM 4.4 / 57.2 km35 Km ESE of Shizunai-furukawachō, JapanUSGS
Sun, 18 Oct 12:23 UTCM 4.3 / 66 kmHokkaido, Japan RegionGFZ

User reports for this quake (2)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Leave a comment if you find a particular report interesting or want to add to it.
Flag as inappropriate.
Mark as helpful or interesting.
Send your own user report!
464.6 km SSW of epicenter [Map] / not felt (reported through our app)
939.1 km SW of epicenter [Map] / Light shaking (MMI IV) / single vertical bump / 1-2 s : We were sleeping and woke up by shaking the whole house.

Earlier earthquakes in the same area since 1900

Light mag. 4.4 earthquake - Hokkaido, Japan Region on Sunday, 18 October 2020

Map of earlier quakes


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