Strong mag. 5.2 earthquake - North Pacific Ocean, 144 km southeast of Kamaishi, Iwate, Japan, on Tuesday, August 30, 2005 at 18:13 (GMT)

Strong mag. 5.2 earthquake - North Pacific Ocean, 144 km southeast of Kamaishi, Iwate, Japan, on Tuesday, August 30, 2005 at 18:13 (GMT)

Strong magnitude 5.2 earthquake at 23 km depth

1 Jan 00:00 UTC: First to report: USGS after 30 seconds.
Date & time: Aug 30, 2005 18:13:59 UTC
Magnitude: 5.2
Depth: 23.0 km
Epicenter latitude / longitude: 38.495°N / 143.2°E (North Pacific Ocean, Japan)
Antipode: 38.495°S / 36.8°W
Nearest volcano: Kurikoma (215 km / 134 mi)
Nearby towns and cities:
144 km (89 mi) ESE of Ofunato (pop: 35,400) --> See nearby quakes!
144 km (90 mi) SE of Kamaishi (pop: 43,100) --> See nearby quakes!
166 km (103 mi) E of Ishinomaki (pop: 117,200) --> See nearby quakes!
168 km (104 mi) SE of Miyako (pop: 51,700) --> See nearby quakes!
185 km (115 mi) ESE of Ichinoseki (pop: 63,000) --> See nearby quakes!
190 km (118 mi) E of Shiogama (pop: 59,500) --> See nearby quakes!
193 km (120 mi) ESE of Mizusawa (pop: 61,300) --> See nearby quakes!
195 km (121 mi) E of Furukawa (pop: 76,300) --> See nearby quakes!
441 km (274 mi) NE of Tokyo (pop: 8,336,600) --> See nearby quakes!
464 km (288 mi) NE of Yokohama (pop: 3,574,400) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 4 x 1012 joules (1.11 gigawatt hours, equivalent to 951 tons of TNT) More info
Show interactive Map
[smaller] [bigger]
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!
If you did NOT feel the quake although you were in the area, please report it! Your contribution is valuable to earthquake science, seismic 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.
5.223 kmoff the east coast of Honshu, JapanUSGS
Note: for quakes of 2012 and earlier, our database often contains only records from USGS.

User reports for this quake

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
There are no user reports for this quake.
Volcanoes & Earthquakes - new app for Android


[More info]

Recorded aftershocks, latest first (3 quakes)

Date and timeMag
Sep 2, 2005 22:29
16 years ago

40 km
North Pacific Ocean, 161 km E of Ishinomaki, Honshu-miyagi-ken, JapanMore
Sep 2, 2005 14:26
16 years ago

41 km
North Pacific Ocean, 155 km E of Ishinomaki, Honshu-miyagi-ken, JapanMore
Aug 30, 2005 18:50
16 years ago

10 km
North Pacific Ocean, 176 km E of Ishinomaki, Honshu-miyagi-ken, JapanMore

Earlier earthquakes in the same area

Try our free app!
Volcanoes & Earthquakes - new app for Android
Android | iOS version
Why is there advertising on this site?
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:
  • Earthquake archive from 1900 onwards
  • 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!
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.