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Light mag. 4.5 earthquake - Ibaraki, 71 km northeast of Tokyo, Japan, on Thursday, Jan 27, 2022 at 6:09 am (GMT +9) -

Light mag. 4.5 earthquake - Ibaraki, 71 km northeast of Tokyo, Japan, on Thursday, Jan 27, 2022 at 6:09 am (GMT +9) Light mag. 4.5 earthquake - Ibaraki, 71 km northeast of Tokyo, Japan, on Thursday, Jan 27, 2022 at 6:09 am (GMT +9)

Light magnitude 4.5 earthquake at 61 km depth

26 Jan 21:16 UTC: First to report: NIED after 7 minutes.
26 Jan 23:00: Now using data updates from USGS
Update Wed, 26 Jan 2022, 21:21
Moderate magnitude 4.2 quake hits 36 km south of Mito, Japan early morning
4.2 quake 27 Jan 6:09 am (GMT +9)
4.2 quake 27 Jan 6:09 am (GMT +9)
A magnitude 4.2 earthquake near Mito, Mito-shi, Ibaraki, Japan, was reported only 12 minutes ago by Japan's National Research Institute for Earth Science and Disaster Resilience (NIED), considered the main national agency that monitors seismic activity in this part of the world. The earthquake occurred at a moderately shallow depth of 55.4 km beneath the epicenter early morning on Thursday, January 27th, 2022, at 6:09 am local time. The exact magnitude, epicenter, and depth of the quake might be revised within the next few hours or minutes as seismologists review data and refine their calculations, or as other agencies issue their report.
A second report was later issued by the European-Mediterranean Seismological Centre (EMSC), which listed it as a magnitude 3.7 earthquake.
Towns or cities near the epicenter where the quake might have been felt as very weak shaking include Mito (pop. 246,500) located 36 km from the epicenter, and Tokyo (pop. 8,336,600) 74 km away.

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Earthquake data

Date & time: Jan 26, 2022 21:09:15 UTC -
Local time at epicenter: Thursday, Jan 27, 2022 at 6:09 am (GMT +9)
Magnitude: 4.5
Depth: 61.2 km
Epicenter latitude / longitude: 35.9284°N / 140.4239°E (Inashiki-shi, Ibaraki, Japan)
Antipode: 35.928°S / 39.576°W
Nearest volcano: Takahara (122 km / 76 mi)
Nearby towns and cities:
47 km (29 mi) S of Mito (pop: 246,500) --> See nearby quakes!
71 km (44 mi) ENE of Tokyo (pop: 8,336,600) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 3.5 x 1011 joules (98.6 megawatt hours, equivalent to 84.8 tons of TNT) | about seismic energy
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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
4.561 km7 Km WNW of Katori-shi, JapanUSGS
4.561 kmNEAR EAST COAST OF HONSHU, JAPANEMSC
4.255 kmJapan: SOUTHERN IBARAKI PREFNIED
4.561 kmNear East Coast of Honshu, JapanRaspberryShake

User reports for this quake (1)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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つくば市谷田部 / Weak shaking (MMI III) / rattling, vibrating / 5-10 s
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