Contact | RSS | EN | DE | EL | ES | FR | IT | RU

Moderate mag. 4.8 earthquake - East China Sea, 94 km southwest of Itoman, Okinawa, Japan, on 24 May 10:41 pm (GMT +8) -

Moderate mag. 4.8 earthquake - East China Sea, 94 km southwest of Itoman, Okinawa, Japan, on 24 May 10:41 pm (GMT +8) Moderate mag. 4.8 earthquake - East China Sea, 94 km southwest of Itoman, Okinawa, Japan, on 24 May 10:41 pm (GMT +8)

Moderate magnitude 4.8 earthquake at 40 km depth

24 May 14:50 UTC: First to report: VolcanoDiscovery after 9 minutes.
24 May 14:51: Now using data updates from EMSC
... [show all] ...
24 May 16:14: Hypocenter depth recalculated from 30.0 to 40.0 km (from 18.6 to 25 mi). Epicenter location corrected by 9.1 km (5.6 mi) towards W.
Update Mon, 24 May 2021, 14:57

Magnitude 4.7 earthquake strikes near Naha, Naha Shi, Okinawa, Japan

4.7 quake 24 May 10:41 pm (GMT +8)
4.7 quake 24 May 10:41 pm (GMT +8)
Just 16 minutes ago, a 4.7-magnitude earthquake struck near Naha, Naha Shi, Okinawa, Japan. The tremor was recorded late at night on Monday 24 May 2021 at 10:41 pm local time, at a shallow depth of 10 km below the surface.
The event was filed by the European-Mediterranean Seismological Centre (EMSC), the first seismological agency to report it.
A second report was later issued by the German Research Centre for Geosciences (GFZ), which listed it as a magnitude 4.7 earthquake as well.
Towns or cities near the epicenter where the quake might have been felt as very weak shaking include Itoman (pop. 57,200) located 85 km from the epicenter, Tomigusuku (pop. 55,700) 92 km away, Naha (pop. 300,800) 95 km away, Chinon (pop. 91,800) 103 km away, Chatan (pop. 27,800) 108 km away, Okinawa (pop. 125,500) 112 km away, Katsuren-haebaru (pop. 34,200) 115 km away, and Gushikawa (pop. 65,300) 117 km away.
VolcanoDiscovery will automatically update magnitude and depth if these change and follow up if other significant news about the quake become available. If you're in the area, please send us your experience through our reporting mechanism, either online or via our mobile app. This will help us provide more first-hand updates to anyone around the globe who wants to know more about this quake.

Download the Volcanoes & Earthquakes app and get one of the fastest seismic alerts online: Android | iOS

Earthquake details

Date & timeMay 24, 2021 14:41:03 UTC -
Local time at epicenter24 May 10:41 pm (GMT +8)
StatusConfirmed
Magnitude4.8
Depth40.0 km
Epicenter latitude / longitude25.66°N / 126.89°E (East China Sea, Japan)
Antipode25.66°S / 53.11°W
Shaking intensityWeak shaking
Felt5 reports
Primary data sourceEMSC (European-Mediterranean Seismological Centre)
Nearby towns and cities94 km (58 mi) SW of Itoman (pop: 57,200) | Show on map | Quakes nearby
98 km (61 mi) SW of Tomigusuku (pop: 55,700) | Show on map | Quakes nearby
101 km (63 mi) SW of Naha (pop: 300,800) | Show on map | Quakes nearby
110 km (68 mi) SW of Chinon (pop: 91,800) | Show on map | Quakes nearby
114 km (71 mi) SW of Chatan (Nakagami District) (pop: 27,800) | Show on map | Quakes nearby
118 km (73 mi) SW of Okinawa (pop: 125,500) | Show on map | Quakes nearby
124 km (77 mi) SW of Katsuren-haebaru (Uruma) (pop: 34,200) | Show on map | Quakes nearby
125 km (78 mi) SW of Gushikawa (pop: 65,300) | Show on map | Quakes nearby
126 km (78 mi) SW of Ishikawa (Uruma) (pop: 22,400) | Show on map | Quakes nearby
152 km (95 mi) SW of Naga (pop: 59,600) | Show on map | Quakes nearby
145 km (90 mi) SW of Okinawa Island (pop: 1,301,000) | Show on map | Quakes nearby
148 km (92 mi) SW of Iejima Island (pop: 4,610) | Show on map | Quakes nearby
Weather at epicenter at time of quakeScattered Clouds 26.2°C (79 F), humidity: 88%, wind: 5 m/s (10 kts) from N
Estimated seismic energy released1 x 1012 joules (278 megawatt hours, equivalent to 239 tons of TNT) | about seismic energy
Show interactive Map
[smaller] [bigger]

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
4.840 kmRYUKYU ISLANDS, JAPANEMSC
4.756 kmRyukyu Islands, JapanGFZ
4.825 km83 Km SW of Itoman, JapanUSGS

Seismograms

Seismic station: Taipei, Taiwan (TATO/IU network) | Distance from quake: 547 km / 340 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
Show more

User reports for this quake (5)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Contribute:
Leave a comment if you find a particular report interesting or want to add to it.
Flag as inappropriate.
Mark as helpful or interesting.
Send your own user report!
Translate
Ishikawa, Uruma Shi (126.9 km NE of epicenter) [Map] / Light shaking (MMI IV) / horizontal (sideways) swinging / 5-10 s
Chatan (113.9 km NE of epicenter) [Map] / Light shaking (MMI IV) / horizontal (sideways) swinging / 5-10 s
Chatan / Light shaking (MMI IV) / horizontal (sideways) swinging
Okinawa / Very weak shaking (MMI II) / single lateral shake / 2-5 s
Okinawa (114.1 km NE of epicenter) [Map] / Very weak shaking (MMI II) / horizontal (sideways) swinging / 2-5 s : Bed shaking  

Earlier earthquakes in the same area

Try our free app!
Volcanoes & Earthquakes - new app for Android
Android | iOS version

Support us - Help us upgrade our services!

We truly love working to bring you the latest volcano and earthquake data from around the world. Maintaining our website and our free apps does require, however, considerable time and resources.
We need financing to increase hard- and software capacity as well as support our editor team. We're aiming to achieve uninterrupted service wherever an earthquake or volcano eruption unfolds, and your donations can make it happen! Every donation will be highly appreciated. If you find the information useful and would like to support our team in integrating further features, write great content, and in upgrading our soft- and hardware, please make a donation (PayPal or Online credit card payment).

Planned features:
  • Improved multilanguage support
  • Tsunami alerts
  • Faster responsiveness
Thanks to your past donations, these features have been added recently:
  • Design upgrade
  • Detailed quake stats
  • Additional seismic data sources
Download and Upgrade the Volcanoes & Earthquakes app to get one of the fastest seismic and volcano alerts online:
Android | IOS
Thank you!
Sources: VolcanoDiscovery / VolcanoAdventures and other sources as noted.
Use of material: Most text and images on our websites are owned by us. Re-use is generally not permitted without authorization. Contact us for licensing rights.
Volcanoes & Earthquakes
VolcanoDiscovery Home
Volcanoes | Earthquakes | Photos | Volcano News | App
Adventure & Study Travel
Tours to Volcanoes and Volcanic Areas: walking tours, photo tours, study tours
Tours & Dates | FAQ | About us
Get our newsletter!
Company info
Contact | Legal info | Terms & conditions
Follow us
Follow us on facebook Follow us on Instagram Follow us on Twitter Visit our Youtube channel
EN | DE | EL | ES | FR | IT | RU
VolcanoDiscovery GmbH, Germany, Reg. nr.: HRB 103744, EU Tax Id: DE 310 395 322 owned and created by
Dr. Tom Pfeiffer, volcanologist, volcano photographer, tour organizer member of
IAVCEI
Volcanological Society
Ecotourism Greece
Insured by R+V
VolcanoDiscovery © 2004- All Rights Reserved | Privacy - cookie settings