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Light mag. 4.6 earthquake - North Pacific Ocean, 137 km northeast of Hachinohe, Aomori, Japan, on Monday, Nov 28, 2022 at 7:40 am (GMT +10) -

Light magnitude 4.6 earthquake at 49 km depth

27 Nov 21:51 UTC: First to report: EMSC after 10 minutes.
27 Nov 21:56: Magnitude recalculated from 4.5 to 4.6. Hypocenter depth recalculated from 20.0 to 43.0 km (from 12.4 to 27 mi). Epicenter location corrected by 15 km (9.6 mi) towards NW.
... [show all] ...
2 Dec 01:06: Hypocenter depth recalculated from 49.7 to 48.9 km (from 31 to 30 mi). Epicenter location corrected by 1.7 km (1.1 mi) towards SE.

Earthquake details

Date & time	Nov 27, 2022 21:40:46 UTC -
Local time at epicenter	Monday, Nov 28, 2022 at 7:40 am (GMT +10)
Status	Confirmed
Magnitude	4.6
Depth	48.9 km
Epicenter latitude / longitude	41.1763°N / 142.8593°E (North Pacific Ocean, Japan)
Antipode	41.176°S / 37.141°W
Shaking intensity	Weak shaking near epicenter
Felt	0 reports
Primary data source	USGS (United States Geological Survey)
Nearest volcano	E-san (157 km / 98 mi)
Nearby towns and cities	106 km (66 mi) S of Samanai (pop: 4,480) \| Show on map \| Quakes nearby 135 km (84 mi) ENE of Misawa (pop: 42,800) \| Show on map \| Quakes nearby 137 km (85 mi) NE of Hachinohe (pop: 239,000) \| Show on map \| Quakes nearby 138 km (86 mi) E of Mutsu (pop: 49,200) \| Show on map \| Quakes nearby 183 km (114 mi) ENE of Aomori (pop: 298,400) \| Show on map \| Quakes nearby 219 km (136 mi) NE of Morioka (pop: 295,200) \| Show on map \| Quakes nearby 244 km (152 mi) SSE of Sapporo (pop: 1,883,000) \| Show on map \| Quakes nearby 670 km (416 mi) NNE of Tokyo (pop: 8,336,600) \| Show on map \| Quakes nearby 251 km (156 mi) S of Hokkaido Island (pop: 5,500,000) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake	Overcast Clouds 8.5°C (47 F), humidity: 63%, wind: 11 m/s (21 kts) from WNW
Estimated seismic energy released	5 x 10¹¹ joules (139 megawatt hours, equivalent to 120 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
4.6	49 km	134 Km SSE of Shizunai-furukawachō, Japan	USGS
4.6	50 km	Hokkaido, Japan Region	RaspberryShake
4.6	40 km	HOKKAIDO, JAPAN REGION	EMSC
5.1	10 km	Japan: Near Sapporo	RENASS
4.5	35 km	Hokkaido, Japan Region	GFZ
4.6	10 km	Hokkaido, Japan Region	IRIS

Most recent quakes Top 20 past 24 hrs Quakes in Japan

Seismograms

Seismic station: Kamikawa Asahi (JKA/JP network) | Distance from quake: 23 km / 14 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

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Seismic station Kamikawa Asahi: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Kamikawa Asahi: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake, showing horizontal E-W and N-S ground movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station: Erimo (JEM/JP network) | Distance from quake: 97 km / 60 mi | Show on map | Station Info

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

Seismic station Erimo: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Erimo: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake.
Top: vertical movement, bottom: horizontal (E-W and N-S) movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station: Eniwa (JEW/JP network) | Distance from quake: 219 km / 136 mi | Show on map | Station Info

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

Seismic station Eniwa: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Eniwa: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake.
Top: vertical movement, bottom: horizontal (E-W and N-S) movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station: Sado (JSD/JP network) | Distance from quake: 526 km / 327 mi | Show on map | Station Info

Seismic station Sado: 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: 0.2-5.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station Sado: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Sado: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake.
Top: vertical movement, bottom: horizontal (E-W and N-S) movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station: Hiroshima Saijyo (JHS/JP network) | Distance from quake: 1094 km / 680 mi | Show on map | Station Info

Seismic station Hiroshima Saijyo: 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: 0.2-5.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station Hiroshima Saijyo: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Hiroshima Saijyo: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake.
Top: vertical movement, bottom: horizontal (E-W and N-S) movements. 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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