Very strong mag. 6.8 earthquake - 84 km northeast of Naze, Amami Shi, Kagoshima, Japan, on Saturday, November 3, 1923 at 16:19 GMT
Quake Data | Interactive map | User Reports | Aftershocks | Earlier quakes here | Quakes in Japan | Kagoshima | Miyazaki | Okinawa
Very strong magnitude 6.8 earthquake at 35 km depth
Earthquake details
| Date & time | Nov 3, 1923 16:19:23 UTC |
| Local time at epicenter | |
| Status | Confirmed |
| Magnitude | 6.8 |
| Depth | 35.0 km |
| Epicenter latitude / longitude | 28.99°N / 129.973°E  (East China Sea, Japan) |
| Antipode | 28.99°S / 50.027°W |
| Shaking intensity | Strong shaking near epicenter |
| Felt | 0 reports |
| Primary data source | USGS (United States Geological Survey) |
| Nearest volcano | Akuseki-jima (64 km / 40 mi) |
| Nearby towns and cities | 84 km (52 mi) NE of Naze (pop: 41,400) | Show on map | Quakes nearby 218 km (135 mi) SSW of Nishinoomote (pop: 17,800) | Show on map | Quakes nearby 255 km (159 mi) S of Makurazaki (pop: 25,000) | Show on map | Quakes nearby 258 km (160 mi) SSW of Ibusuki (pop: 29,700) | Show on map | Quakes nearby 279 km (174 mi) SSW of Kanoya (pop: 82,300) | Show on map | Quakes nearby 292 km (181 mi) S of Kagoshima (pop: 555,400) | Show on map | Quakes nearby 316 km (196 mi) S of Sendai (pop: 73,100) | Show on map | Quakes nearby 323 km (200 mi) SSW of Miyakonojō (pop: 131,000) | Show on map | Quakes nearby 354 km (220 mi) SSW of Miyazaki (pop: 311,200) | Show on map | Quakes nearby 382 km (237 mi) NE of Naha (pop: 300,800) | Show on map | Quakes nearby |
| Estimated seismic energy released | 1 x 1015 joules (278 gigawatt hours, equivalent to 2.4 x 105 tons of TNT or 14.9 atomic bombs!) | about seismic energy |
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. | Depth | Location | Source |
| 6.8 | 35 km | Ryukyu Islands, Japan | USGS |
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Aftershocks
[More info]
Recorded aftershocks, latest first (1 quake)
Date and time | Mag Depth | Location | Details |
| Nov 5, 1923 21:28 99 years ago | 6.9 35 km | 112 km NE of Naze, Amami Shi, Kagoshima, Japan | More |
Earlier earthquakes in the same area
Click here to search our database for earlier earthquakes in the same area since 1900!
