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Magnitude 5.8 Offshore Kamchatka as Dozens of Aftershocks Hit in 24 Hours

Scientists attribute the felt tremors to a vigorous aftershock sequence following July’s magnitude 8.8 quake.

Overview

  • Seismologists recorded a magnitude 5.8 earthquake at 06:28 UTC on November 4 southeast of Kamchatka at 52.2144°N, 160.4780°E, about 158 km from Petropavlovsk-Kamchatsky at a depth of 44 km.
  • In Petropavlovsk-Kamchatsky and Yelizovo the quake was felt up to intensity 3, and authorities reported no tsunami threat.
  • Regional monitors logged at least 57 earthquakes in the past day, with several felt events, as a new cluster has persisted since November 3.
  • Governor Vladimir Solodov relayed experts’ assessments that the activity fits expected aftershock behavior and ordered full operational readiness, including SMS alerts and potential temporary accommodation.
  • Geophysicist Sergey Samoylenko said the sequence looks unusual after such a major mainshock but stressed the catastrophe has already passed.