Strong mag. 5.0 earthquake - North Pacific Ocean, 137 km east of Mito, Ibaraki, Japan, on Wednesday, Aug 4, 2021 7:10 am (GMT +9) -

This quake was likely an aftershock of the 5.8 quake North Pacific Ocean, 98 km northeast of Hasaki, Chōshi-shi, Chiba, Japan, Aug 4, 2021 5:33 am (GMT +9), which had occurred 1 hour and 37 minutes earlier.
Strong mag. 5.0 earthquake - North Pacific Ocean, 137 km east of Mito, Ibaraki, Japan, on Wednesday, Aug 4, 2021 7:10 am (GMT +9)

Strong magnitude 5.0 earthquake at 10 km depth

3 Aug 22:18 UTC: First to report: NIED after 7 minutes.
Date & time: Aug 3, 2021 22:10:55 UTC -
Local time at epicenter: Wednesday, Aug 4, 2021 7:10 am (GMT +9)
Magnitude: 5
Depth: 10.2 km
Epicenter latitude / longitude: 36.214°N / 141.967°E (North Pacific Ocean, Japan)
Antipode: 36.214°S / 38.033°W
Nearest volcano: Nasu (205 km / 127 mi)
Nearby towns and cities:
115 km (72 mi) ENE of Hasaki (pop: 39,200) --> See nearby quakes!
122 km (76 mi) ENE of Kashima-shi (pop: 65,800) --> See nearby quakes!
125 km (78 mi) ESE of Hitachi (pop: 186,300) --> See nearby quakes!
130 km (81 mi) E of Katsuta (pop: 156,000) --> See nearby quakes!
130 km (81 mi) E of Hitachi-Naka (pop: 156,800) --> See nearby quakes!
134 km (83 mi) SE of Iwaki (pop: 357,300) --> See nearby quakes!
137 km (85 mi) E of Mito (pop: 246,500) --> See nearby quakes!
180 km (112 mi) ENE of Chiba (pop: 919,700) --> See nearby quakes!
191 km (118 mi) E of Utsunomiya (pop: 449,900) --> See nearby quakes!
213 km (132 mi) ENE of Tokyo (pop: 8,336,600) --> See nearby quakes!
327 km (203 mi) NE of Shikine-jima Island (pop: 600) --> See nearby quakes!
Weather at epicenter at time of quake:
Scattered Clouds 26.5°C (80 F), humidity: 86%, wind: 4 m/s (9 kts) from S
Primary data source: NIED (National Research Institute for Earth Science and Disaster Resilience)
Estimated released energy: 2 x 1012 joules (554 megawatt hours, equivalent to 477 tons of TNT) 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
5.010.2 kmJapan: FAR E OFF IBARAKI PREFNIED
5.110 kmOff East Coast of Honshu, JapanGFZ
5.110 kmJapan: Near TokyoRENASS
4.920 kmOFF EAST COAST OF HONSHU, JAPANEMSC
4.910 km122 Km ENE of Hasaki, JapanUSGS
5.118 kmNear East Coast of Honshu, JapanGeoAu
5.310 kmNear East Coast of Honshu, JapanBMKG

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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