2006 Kuril Islands earthquake
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| Date | November 15, 2006 |
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| Origin time | 11:14:16 UTC |
| Magnitude | 8.3 Mw |
| Depth | 31 km (19 mi) |
| Epicenter | 46°31′N 153°19′E / 46.52°N 153.32°ECoordinates: 46°31′N 153°19′E / 46.52°N 153.32°E |
| Fault | Kuril–Kamchatka Trench |
| Type | Megathrust |
| Areas affected | Japan, Russia |
| Max. intensity | IV (Light) |
| Casualties | 1 injured |
The 2006 Kuril Islands earthquake occurred on November 15 at 8:14:16 pm JST with a moment magnitude of 8.3 and a maximum Mercalli intensity of IV (Light). This megathrust earthquake was the largest event in the central Kuril Islands since 1915 and generated a small tsunami that affected the northern Japanese coast. The tsunami crossed the Pacific Ocean and damaged the harbor at Crescent City, California. Post-tsunami surveys indicate that the local tsunami in the central Kuril Islands reached runup of 15 metres (49 ft) or more.
At about 11:45 UTC, tsunami warnings were issued in Japan for the north coasts of Hokkaidō and Honshū, and a number of towns in this area were very quickly evacuated. Tsunami warnings, advisories and watches were also issued for the coastal areas of Alaska, Hawaii, parts of British Columbia, Washington, Oregon, and California. JMA initially estimated tsunami waves to be as tall as 2 metres when it hit the Japanese northern and eastern coasts, but it turned out to be merely 40 centimetres when it reached Hanasaki Ko, Nemuro, Nemuro, Hokkaidō at 9:29 pm local time. The tsunami also hit the rest of Hokkaidō and Tōhoku Region. The tallest wave recorded in Japan was at Tsubota (坪田), Miyakejima (三宅島) in the Izu Shotō of the Tokyo To, at 84 centimetres. Tsunami also hit as far as Anami in Kagoshima Prefecture and Naha in Okinawa Prefecture, and reached the Hawaiian and California coasts. A 176-centimetre wave in the harbor at Crescent City, California caused an estimated $10 million in damage to the docks there. The United States authorities had issued warnings for the Russian Far East, Japan, Wake Island and Midway Atoll.
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