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Moderate mag. 4.9 earthquake - North Pacific Ocean, 249 km east of Morioka, Iwate, Japan, on Thursday, Dec 1, 2022 at 2:54 pm (GMT +10) -

Moderate magnitude 4.9 earthquake at 10 km depth

1 Dec 05:01 UTC: First to report: NIED after 6 minutes.
1 Dec 06:14: Now using data updates from USGS
7 Dec 05:26: Hypocenter depth recalculated from 24.8 to 10.0 km (from 15.4 to 6.2 mi). Epicenter location corrected by 6.8 km (4.2 mi) towards SE.

Earthquake details

Date & time	Dec 1, 2022 04:54:40 UTC -
Local time at epicenter	Thursday, Dec 1, 2022 at 2:54 pm (GMT +10)
Status	Confirmed
Magnitude	4.9
Depth	10.0 km
Epicenter latitude / longitude	40.4721°N / 143.9008°E (North Pacific Ocean, Japan)
Antipode	40.472°S / 36.099°W
Shaking intensity	Moderate shaking near epicenter
Felt	0 reports
Primary data source	USGS (United States Geological Survey)
Nearest volcano	Osore-yama (236 km / 147 mi)
Nearby towns and cities	190 km (118 mi) ENE of Miyako (pop: 51,700) \| Show on map \| Quakes nearby 203 km (126 mi) E of Hachinohe (pop: 239,000) \| Show on map \| Quakes nearby 249 km (155 mi) ENE of Morioka (pop: 295,200) \| Show on map \| Quakes nearby 270 km (168 mi) E of Aomori (pop: 298,400) \| Show on map \| Quakes nearby 272 km (169 mi) ENE of Kitakami (pop: 93,900) \| Show on map \| Quakes nearby 278 km (173 mi) SSE of Obihiro (pop: 173,900) \| Show on map \| Quakes nearby 358 km (222 mi) SE of Sapporo (pop: 1,883,000) \| Show on map \| Quakes nearby 647 km (402 mi) NNE of Tokyo (pop: 8,336,600) \| Show on map \| Quakes nearby 323 km (200 mi) NE of Tashiro Jima Island (pop: 100) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake
Estimated seismic energy released	1.4 x 10¹² joules (392 megawatt hours, equivalent to 338 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.	Depth	Location	Source
4.9	10 km	190 Km ENE of Miyako, Japan	USGS
4.9	10 km	Off East Coast of Honshu, Japan	GFZ
4.9	25 km	Off East Coast of Honshu, Japan	RaspberryShake
4.9	20 km	OFF EAST COAST OF HONSHU, JAPAN	EMSC
5.1	10 km	Japan: Near Akita	RENASS
5.0	10 km	Off East Coast of Honshu, Japan	GeoAu
4.7	4.6 km	Japan: FAR E OFF SANRIKU	NIED
4.9	10 km	Off East Coast Of Honshu, Japan	IRIS

Most recent quakes Top 20 past 24 hrs Quakes in Japan

Seismograms

Seismic station: Kamikawa Asahi (JKA/JP network) | Distance from quake: 131 km / 82 mi | Show on map | Station Info

Seismic station Kamikawa Asahi: vertical movement plot around time of quake (source: IRIS/BUD)

Seismogram (vertical component) around time of quake. Thin dotted red line indicates time of quake. Seismic waves arrive some time later, depending on distance. Bandpass filter applied: 0.2-10.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool

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.

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