One magnitude 8.0+ earthquake in July-December 1994 happened near Shikotan Island. It has the following parameters listed in USGS/NEIC PDE: origin time - 1994/10/04 13:22 UTC; coordinates - 43.77N, 147.32E; depth 14 km; magnitudes - mb = 7.3, Ms = 8.1, MwHRV =8.3, F-E Region: 222 - EAST OF KURIL ISLANDS.
Shikotan 1994