Overview
- The events, at magnitudes 4.5 and 4.8, struck hours apart on October 8, marking a second quake off the same area that day.
- The 4.5 tremor occurred at 10:22 local time about 89 km southeast of Severo-Kurilsk at a depth of roughly 60 km.
- The 4.8 quake was recorded at 19:53 with an epicenter about 98 km east of Severo-Kurilsk at a depth near 62 km.
- Shaking in town reached up to intensity 3 on local scales, with no tsunami alert and no damage reported in these accounts.
- Details were provided by Elena Semenova of the Yuzhno-Sakhalinsk seismic station to RIA Novosti, as monitoring continues across the Kurils–Kamchatka region.