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Light mag. 4.6 earthquake - Philippine Sea, Japan, on Wednesday, Jan 25, 2023 at 7:54 am (GMT +9) -

Light mag. 4.6 earthquake - Philippine Sea, Japan, on Wednesday, Jan 25, 2023 at 7:54 am (GMT +9) Light mag. 4.6 earthquake - Philippine Sea, Japan, on Wednesday, Jan 25, 2023 at 7:54 am (GMT +9)

Light magnitude 4.6 earthquake at 508 km depth

24 Jan 23:05 UTC: First to report: GFZ after 10 minutes.
24 Jan 23:10: Now using data updates from USGS

Earthquake details

Date & timeJan 24, 2023 22:54:58 UTC -
Local time at epicenterWednesday, Jan 25, 2023 at 7:54 am (GMT +9)
Depth507.6 km
Epicenter latitude / longitude27.9123°N / 139.453°E (Philippine Sea, Japan)
Antipode27.912°S / 40.547°W
Shaking intensityNot felt
Primary data sourceUSGS (United States Geological Survey)
Nearest volcanoMokuyo (119 km / 74 mi)
Nearby towns and cities286 km (178 mi) WNW of Futami (pop: 897) | Show on map | Quakes nearby
865 km (538 mi) S of Tokyo (pop: 8,336,600) | Show on map | Quakes nearby
Weather at epicenter at time of quakeOvercast Clouds 12.2°C (54 F), humidity: 68%, wind: 14 m/s (28 kts) from NW
Estimated seismic energy released5 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.
4.6508 kmBonin Islands, Japan RegionUSGS
4.6508 kmBonin Islands, Japan RegionRaspberryShake
4.7515 kmBonin Islands, Japan RegionGFZ
4.610 kmBonin Islands, Japan RegionIRIS


Seismic station: Chichijima Island (JCJ/JP network) | Distance from quake: 284 km / 177 mi | Show on map | Station Info
Seismic station Chichijima Island: 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.

Earlier earthquakes in the same area

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