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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 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 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 & timeNov 27, 2022 21:40:46 UTC -
Local time at epicenterMonday, Nov 28, 2022 at 7:40 am (GMT +10)
Depth48.9 km
Epicenter latitude / longitude41.1763°N / 142.8593°E (North Pacific Ocean, Japan)
Antipode41.176°S / 37.141°W
Shaking intensityWeak shaking near epicenter
Felt0 reports
Primary data sourceUSGS (United States Geological Survey)
Nearest volcanoE-san (157 km / 98 mi)
Nearby towns and cities106 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 quakeOvercast Clouds 8.5°C (47 F), humidity: 63%, wind: 11 m/s (21 kts) from WNW
Estimated seismic energy released5 x 1011 joules (139 megawatt hours, equivalent to 120 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.
4.649 km134 Km SSE of Shizunai-furukawachō, JapanUSGS
4.650 kmHokkaido, Japan RegionRaspberryShake
5.110 kmJapan: Near SapporoRENASS
4.535 kmHokkaido, Japan RegionGFZ
4.610 kmHokkaido, Japan RegionIRIS


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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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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