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Strong mag. 5.7 earthquake - East China Sea, 167 km west of Naha, Okinawa, Japan, on Sunday, Sep 18, 2022 at 5:09 pm (GMT +9) -

Strong mag. 5.7 earthquake - East China Sea, 167 km west of Naha, Okinawa, Japan, on Sunday, Sep 18, 2022 at 5:09 pm (GMT +9) Strong mag. 5.7 earthquake - East China Sea, 167 km west of Naha, Okinawa, Japan, on Sunday, Sep 18, 2022 at 5:09 pm (GMT +9)

Strong magnitude 5.7 earthquake at 10 km depth

18 Sep 08:22 UTC: First to report: GFZ after 13 minutes.
18 Sep 08:28: Now using data updates from USGS

Earthquake details

Date & timeSep 18, 2022 08:09:59 UTC -
Local time at epicenterSunday, Sep 18, 2022 at 5:09 pm (GMT +9)
StatusConfirmed
Magnitude5.7
Depth10.0 km
Epicenter latitude / longitude26.2527°N / 126.0142°E (East China Sea, Japan)
Antipode26.253°S / 53.986°W
Shaking intensityStrong shaking near epicenter
Felt0 reports
Primary data sourceUSGS (United States Geological Survey)
Nearby towns and cities166 km (103 mi) W of Itoman (pop: 57,200) | Show on map | Quakes nearby
167 km (104 mi) W of Tomigusuku (pop: 55,700) | Show on map | Quakes nearby
167 km (104 mi) W of Naha (pop: 300,800) | Show on map | Quakes nearby
174 km (108 mi) W of Chinon (pop: 91,800) | Show on map | Quakes nearby
176 km (110 mi) NNE of Hirara (Miyakojima) (pop: 34,400) | Show on map | Quakes nearby
178 km (111 mi) W of Okinawa (pop: 125,500) | Show on map | Quakes nearby
185 km (115 mi) W of Gushikawa (pop: 65,300) | Show on map | Quakes nearby
186 km (115 mi) W of Katsuren-haebaru (Uruma) (pop: 34,200) | Show on map | Quakes nearby
184 km (114 mi) WSW of Iejima Island (pop: 4,610) | Show on map | Quakes nearby
197 km (123 mi) W of Okinawa Island (pop: 1,301,000) | Show on map | Quakes nearby
364 km (226 mi) NE of Kumi Island (pop: 1,680) | Show on map | Quakes nearby
Weather at epicenter at time of quakeFew Clouds 27°C (81 F), humidity: 83%, wind: 13 m/s (25 kts) from WNW
Estimated seismic energy released2.2 x 1013 joules (6.22 gigawatt hours, equivalent to 5351 tons of TNT or 0.3 atomic bombs!) | 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.
Mag.DepthLocationSource
5.710 kmRyukyu Islands, JapanUSGS
5.730 kmRYUKYU ISLANDS, JAPANEMSC
5.710 kmRyukyu Islands, JapanRaspberryShake
5.410 kmJapan: Near TaipeiRENASS
5.610 kmRyukyu Islands, JapanGFZ
5.710 kmRyukyu Islands, JapanIRIS
5.717 kmRyukyu Islands, JapanGeoAu

Seismograms

Seismic station: Taipei, Taiwan (TATO/IU network) | Distance from quake: 475 km / 295 mi | Show on map | Station Info
Seismic station Taipei, Taiwan: 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. Source: IRIS Buffer of Uniform Data (BUD) webtool
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User reports for this quake (2)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Thailand Bangkok (2993.5 km WSW of epicenter) [Map] / not felt
Ginowan / not felt : No, but it could have been due to the typhoon winds that were already shaking the building. (reported through our app)  

Aftershocks

[More info]

Recorded aftershocks, latest first (3 quakes)

Date and timeMag
Depth
LocationDetails
Sep 22, 2022 22:19
11 weeks ago
4.6

10 km
East China Sea, 146 km W of Naha, Okinawa, JapanMore
Sep 18, 2022 10:05
12 weeks ago
5.0

10 km
East China Sea, 164 km W of Naha, Okinawa, JapanMore
Sep 18, 2022 08:24
12 weeks ago
4.8

10 km
East China Sea, 190 km W of Naha, Okinawa, JapanMore

Earlier earthquakes in the same area

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