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Weak mag. 2.6 earthquake - East China Sea, 75 km southwest of Miyanoura, Kumage-gun, Kagoshima, Japan, on Saturday, Mar 18, 2023 at 7:53 am (GMT +9) -

Weak magnitude 2.6 earthquake at 10 km depth

17 Mar 23:02 UTC: First to report: NIED after 9 minutes.

Earthquake details

Date & time	Mar 17, 2023 22:53:03 UTC -
Local time at epicenter	Saturday, Mar 18, 2023 at 7:53 am (GMT +9)
Status	Confirmed
Magnitude	2.6
Depth	9.5 km
Epicenter latitude / longitude	29.926°N / 130.049°E (East China Sea, Japan)
Antipode	29.926°S / 49.951°W
Shaking intensity	Very weak shaking
Felt	0 reports
Primary data source	NIED (National Research Institute for Earth Science and Disaster Resilience)
Nearest volcano	Kuchinoshima (12 km / 7 mi)
Nearby towns and cities	53 km (33 mi) SW of Kurio (pop: 1,800) \| Show on map \| Quakes nearby 64 km (39 mi) SW of Nagata (pop: 1,190) \| Show on map \| Quakes nearby 75 km (47 mi) SW of Miyanoura (Kumage District) (pop: 6,540) \| Show on map \| Quakes nearby 128 km (80 mi) SW of Nishinoomote (pop: 17,800) \| Show on map \| Quakes nearby 61 km (38 mi) SSW of Kuchinoerabu-jima Island (pop: 147) \| Show on map \| Quakes nearby 123 km (76 mi) SW of Tanega Shima Island (pop: 33,000) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake	Overcast Clouds 18.9°C (66 F), humidity: 74%, wind: 12 m/s (22 kts) from NNW
Estimated seismic energy released	5 x 10⁸ joules (139 kilowatt hours, equivalent to 0.12 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
2.6	9.5 km	Japan: NEAR TOKARA ISLANDS	NIED

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Seismograms

Seismic station: Kagoshima Suzuyama (JSU/JP network) | Distance from quake: 180 km / 112 mi | Show on map | Station Info

Seismic station Kagoshima Suzuyama: 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: 0.5-10.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool

User reports for this quake

At magnitude 2.6, this quake might have been felt very close to the epicenter and under calm conditions.

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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