Get our newsletter!
Check out our volcano tours on!
Volcanoes & Earthquakes - new app for Android
Guaranteed tours
8-16 May 2021: From Stromboli to Etna - Sicila and Eolian Islands (Italy)
: spaces available / : guaranteed / : few spaces left / : booked out
Interactive map of latest earthquakes and active volcanoes in the world

Moderate mag. 5.8 earthquake - Southeast of Honshu, Japan on Saturday, 3 October 2020

Moderate mag. 5.8 earthquake  - Southeast of Honshu, Japan on Saturday, 3 October 2020
3 Oct 09:39 UTC: First to report: GFZ after 8 minutes.
3 Oct 09:40: Hypocenter depth recalculated from 59.0 to 64.0 km (from 37 to 40 mi). Epicenter location corrected by 8.4 km (5.2 mi) towards W.
3 Oct 09:54: Magnitude recalculated from 5.7 to 5.8. Hypocenter depth recalculated from 64.0 to 52.0 km (from 40 to 32 mi). Epicenter location corrected by 19.3 km (12 mi) towards SW.
Date & time: Saturday, 3 October 2020 09:31 UTC
Local time at epicenter: 3 Oct 6:31 pm (GMT +9)
Magnitude: 5.8
Depth: 52.0 km
Epicenter latitude / longitude: 33.43°N / 140.9°E (Japan)
Nearest volcano: Hachijo-jima (129 km / 80 mi)
Nearby towns and cities:
197 km (123 mi) SE of Tateyama (pop: 50,100)
198 km (123 mi) SE of Katsuura (pop: 22,300)
199 km (124 mi) SE of Kamogawa (pop: 29,100)
275 km (171 mi) SE of Tokyo (pop: 8,336,600)
Weather at epicenter at time of quake:
Overcast Clouds 23.9°C (75 F), humidity: 67%, wind: 7 m/s (15 kts) from ENE
Primary data source: GFZ
Estimated released energy: 3.2 x 1013 joules (8.78 gigawatt hours, equivalent to 7558 tons of TNT or 0.5 atomic bombs!) [learn more]
If you felt this quake (or if you were near the epicenter), please share your experience and submit a short "I felt it" report! Other users would love to hear about it!
Also if you did NOT feel the quake although you were in the area, please report it! Your contribution is valuable also to earthquake science and earthquake hazard analysis and mitigation efforts. You can use your device location or the map to indicate where you were during the earthquake. Thank you!

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.
TimeMag. / DepthLocationSource
3 Oct 6:31 pm (GMT +9) (3 Oct 09:31:33 UTC)M 5.8 / 52 kmSoutheast of Honshu, JapanGFZ
Sat, 3 Oct 09:31 UTCM 5.8 / 60 kmIzu Islands, Japan RegionEMSC
Sat, 3 Oct 09:31 UTCM 5.9 / 63.2 kmSoutheast of Honshu, JapanGeoAu
Sat, 3 Oct 09:31 UTCM 5.5 / 59.2 km188 Km SSE of Tateyama, JapanUSGS
2020-10-03 17:31:31 (3 Oct 09:31:31 UTC)M 5.6 / 60 km日本本州东岸远海, JapanCEIC
Sat, 3 Oct 09:31 UTCM 5.9 / 97 kmSoutheast of Honshu, JapanBMKG

User reports for this quake (7)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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!
Zama-Shirt, Kanagawa (146.5 km NW of epicenter) [Map] / Strong shaking (MMI VI) / 5-10 s : I was sitting on my bed reading and the bed was shaking. | 4 users found this interesting.
9364.6 km NE of epicenter [Map] / not felt
Raleigh, NC 27615 / not felt
Pensacola Florida / not felt
tokyo / Light shaking (MMI IV)
Tokyo (Japan, 273 km NW of epicenter) : I was laying on the couch and the building started moving a little back and forth. Nothing in my room moved | 3 users found this interesting. (reported through EMSC)
Higashiyamato (Japan, 290 km NW of epicenter) : 18:32 se sintió un temblor, desde Kotesashi, Tokorozawa | One user found this interesting. (reported through EMSC)

Aftershocks of the 5.8 quake: Southeast of Honshu, Japan, 3 Oct 2020 09:31

More info
Recorded aftershocks, latest first (1 quakes):
  • 13 Oct 2020 13:16 UTC
    | M 4.9 |
    52 km (32.3 mi) depth
    8 km (5 mi) distance
    | GFZ | Details

Earlier earthquakes in the same area since 1900

Moderate mag. 5.8 earthquake - Southeast of Honshu, Japan on Saturday, 3 October 2020

Map of earlier quakes


More on VolcanoDiscovery

Why is there advertising on this site?

Support us!

Maintaining the website and our free apps is a time- and cost-intensive effort.
If you find the information useful and would like to support our team to develop further features and get the upgraded ad-free version, consider making a donation (PayPal or Online cc payment).
Planned features:
  • Weather reports
  • Tsunami alerts
  • Design upgrades
Thanks to your past donations, these features have been added recently:
  • Earthquake archive back to 1900
  • Additional data sources
Download and Upgrade the Volcanoes & Earthquakes app to get one of the fastest seismic and volcano alerts online:
Android | IOS
Thank you!
Copyrights: VolcanoDiscovery and other sources as noted.
Use of material: Most texts and images, in particular photographs, on this website are protected by copyright. Further reproduction and use of without authorization is usually not consented. If you are not sure or need licensing rights for photographs, for example for publications and commercial use, please contact us.