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Very strong mag. 6.5 earthquake - Philippine Sea, 182 km southeast of Hirara, Miyakojima Shi, Okinawa, Japan, on Wednesday, Nov 10, 2021 at 11:45 pm (GMT +8) -

Very strong mag. 6.5 earthquake - Philippine Sea, 182 km southeast of Hirara, Miyakojima Shi, Okinawa, Japan, on Wednesday, Nov 10, 2021 at 11:45 pm (GMT +8) Very strong mag. 6.5 earthquake - Philippine Sea, 182 km southeast of Hirara, Miyakojima Shi, Okinawa, Japan, on Wednesday, Nov 10, 2021 at 11:45 pm (GMT +8)

Very strong magnitude 6.5 earthquake at 20 km depth

10 Nov 15:51 UTC: First to report: VolcanoDiscovery after 6 minutes.
10 Nov 15:51: Now using data updates from GFZ
... [show all] ...
11 Nov 11:18: Hypocenter depth recalculated from 10.0 to 20.0 km (from 6.2 to 12.4 mi). Epicenter location corrected by 4.9 km (3 mi) towards SSE.

Earthquake details

Date & timeNov 10, 2021 15:45:14 UTC -
Local time at epicenterWednesday, Nov 10, 2021 at 11:45 pm (GMT +8)
StatusConfirmed
Magnitude6.5
Depth20.0 km
Epicenter latitude / longitude23.55°N / 126.45°E (Philippine Sea, Japan)
Antipode23.55°S / 53.55°W
Shaking intensityLight shaking
Felt15 reports
Primary data sourceGFZ (German Research Centre for Geosciences)
Nearby towns and cities182 km (113 mi) SE of Hirara (Miyakojima) (pop: 34,400) | Show on map | Quakes nearby
249 km (155 mi) ESE of Ishigaki (pop: 44,800) | Show on map | Quakes nearby
312 km (194 mi) SSW of Itoman (pop: 57,200) | Show on map | Quakes nearby
318 km (198 mi) SSW of Tomigusuku (pop: 55,700) | Show on map | Quakes nearby
322 km (200 mi) SSW of Naha (pop: 300,800) | Show on map | Quakes nearby
329 km (205 mi) SSW of Chinon (pop: 91,800) | Show on map | Quakes nearby
338 km (210 mi) SSW of Okinawa (pop: 125,500) | Show on map | Quakes nearby
341 km (212 mi) SSW of Katsuren-haebaru (Uruma) (pop: 34,200) | Show on map | Quakes nearby
344 km (214 mi) SSW of Gushikawa (pop: 65,300) | Show on map | Quakes nearby
374 km (233 mi) SSW of Naga (pop: 59,600) | Show on map | Quakes nearby
366 km (227 mi) ESE of Kumi Island (pop: 1,680) | Show on map | Quakes nearby
366 km (227 mi) SSW of Okinawa Island (pop: 1,301,000) | Show on map | Quakes nearby
378 km (235 mi) SSW of Iejima Island (pop: 4,610) | Show on map | Quakes nearby
Weather at epicenter at time of quakeScattered Clouds 22°C (72 F), humidity: 56%, wind: 6 m/s (12 kts) from NNE
Estimated seismic energy released3.5 x 1014 joules (98.6 gigawatt hours, equivalent to 84802 tons of TNT or 5.3 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
6.520 kmJapan: Southeast of Ryukyu IslandsGFZ
6.52 kmJapan: SOUTHEAST OF RYUKYU ISLANDSEMSC
6.510 kmJapan: Southeast of Ryukyu IslandsBMKG
6.310 kmJapan: Near TaipeiRENASS
6.610 kmJapan: Southeast of Ryukyu IslandsGeoAu
6.612 km177 Km SE of Hirara, JapanUSGS
6.69.8 kmSoutheast of Ryukyu Islands, Japan [Sea: Japan]INGV

Seismograms

Seismic station: Taipei, Taiwan (TATO/IU network) | Distance from quake: 526 km / 327 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 (18)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Okinawa, Japan (330.7 km NNE of epicenter) [Map] / Light shaking (MMI IV) / horizontal (sideways) swinging / 20-30 s : Shook back and forth in my chair while scrolling on the internet for about 30 secs. | 10 users found this interesting.  
Hilton chatan (334.8 km NNE of epicenter) [Map] / Light shaking (MMI IV) / horizontal (sideways) swinging / 20-30 s : I was laying in bed on the 9th floor of the Hilton. I felt side to side swaying. The curtains were also moving some. | 6 users found this interesting.  
Okinawa (336.5 km NNE of epicenter) [Map] / Very weak shaking (MMI II) / horizontal (sideways) swinging / 30-60 s : Laying in bed and it started shaking gently, like a shiver but outside your body | 7 users found this interesting.  
near Ishikawa, Uruma Shi (355.7 km NNE of epicenter) [Map] / Weak shaking (MMI III) / horizontal (sideways) swinging / 20-30 s : I was laying in my bed scrolling and starting shaking some, and I also heard and saw my cabinet door swing some. The shaking was similar to as if you was bouncing your leg off the wall or something. | 5 users found this interesting.  
Okinawa, japan / Light shaking (MMI IV) / horizontal (sideways) swinging / 1-2 minutes : Could be felt on 5th floor. Bed was shaking side to side and window was rattling. | 5 users found this interesting.  
In bed (332 km NNE of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 20-30 s : The whole bed started shaking, and my husband is in his computer and his monitors were shaking. It was long compared to the others we have felt before. | 4 users found this interesting.  
In bed (332 km NNE of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 20-30 s : The whole bed started shaking, and my husband is in his computer and his monitors were shaking. It was long compared to the others we have felt before. | One user found this interesting.  
yomitan / Very weak shaking (MMI II) / 5-10 s : I was falling asleep and it felt like my bed was moving slightly, it took my a while to realise what was likely happening but then it stopped | One user found this interesting.  
In bed (332 km NNE of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 20-30 s : The whole bed started shaking, and my husband is in his computer and his monitors were shaking. It was long compared to the others we have felt before.  
Okinawa, kin (356.5 km NNE of epicenter) [Map] / Very weak shaking (MMI II) / horizontal (sideways) swinging / 20-30 s | 2 users found this interesting.
Zakimi-Yomitan (375.5 km NNE of epicenter) [Map] / not felt : Was sleeping.  
Metro manila,Quezon City / Very weak shaking (MMI II) : No, not at all (reported through our app)  
Hong Kong (1262.3 km W of epicenter) [Map] / not felt
Chatan (331.4 km NNE of epicenter) [Map] / Light shaking (MMI IV) / horizontal (sideways) swinging / 10-15 s
Setagaya (1850.1 km NE of epicenter) [Map] / not felt (reported through our app)
Hsinchu Taiwan / Very weak shaking (MMI II) / horizontal (sideways) swinging / 2-5 s
603.4 km W of epicenter [Map] / Very strong shaking (MMI VII) / rattling, vibrating / very short
341.4 km NNE of epicenter [Map] / Light shaking (MMI IV) / horizontal (sideways) swinging / 1-2 minutes

Aftershocks

[More info]

Recorded aftershocks, latest first (8 quakes)

Date and timeMag
Depth
LocationDetails
Apr 11, 2022 07:53
34 weeks ago
4.4

10 km
Philippine Sea, 162 km SE of Hirara, Miyakojima Shi, Okinawa, JapanMore
Feb 8, 2022 04:32
42 weeks ago
4.3

10 km
Philippine Sea, 249 km SW of Naha, Okinawa, JapanMore
Dec 12, 2021 22:30
51 weeks ago
4.8

10 km
Philippine Sea, 248 km SW of Naha, Okinawa, JapanMore
Dec 12, 2021 06:47
51 weeks ago
5.0

10 km
Philippine Sea, 250 km SW of Naha, Okinawa, JapanMore
Dec 12, 2021 06:43
51 weeks ago
5.2

10 km
Philippine Sea, 156 km SE of Hirara, Miyakojima Shi, Okinawa, JapanMore
Nov 11, 2021 20:53
1 year 3 weeks ago
4.8

10 km
Philippine Sea, 196 km SE of Hirara, Miyakojima Shi, Okinawa, JapanMore
Nov 11, 2021 04:21
1 year 3 weeks ago
4.6

10 km
Philippine Sea, 156 km SE of Hirara, Miyakojima Shi, Okinawa, JapanMore
Nov 11, 2021 01:12
1 year 3 weeks ago
4.5

10 km
Philippine Sea, 158 km SE of Hirara, Miyakojima Shi, Okinawa, JapanMore

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