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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 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 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 & timeDec 1, 2022 04:54:40 UTC -
Local time at epicenterThursday, Dec 1, 2022 at 2:54 pm (GMT +10)
Depth10.0 km
Epicenter latitude / longitude40.4721°N / 143.9008°E (North Pacific Ocean, Japan)
Antipode40.472°S / 36.099°W
Shaking intensityModerate shaking near epicenter
Felt0 reports
Primary data sourceUSGS (United States Geological Survey)
Nearest volcanoOsore-yama (236 km / 147 mi)
Nearby towns and cities190 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
Estimated seismic energy released1.4 x 1012 joules (392 megawatt hours, equivalent to 338 tons of TNT) | about seismic energy
Show interactive Map
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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.
4.910 km190 Km ENE of Miyako, JapanUSGS
4.910 kmOff East Coast of Honshu, JapanGFZ
4.925 kmOff East Coast of Honshu, JapanRaspberryShake
5.110 kmJapan: Near AkitaRENASS
5.010 kmOff East Coast of Honshu, JapanGeoAu
4.910 kmOff East Coast Of Honshu, JapanIRIS


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
Show more

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.

Earlier earthquakes in the same area

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