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Three Earthquakes Hit Kamchatka; More Aftershocks Expected

9/30/2025

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Summary

Story summary

Three earthquakes struck off Russia's Kamchatka Peninsula on Sept. 29, 2025, magnitudes 4.6, 4.7, 4.8; U.S. Geological Survey (USGS) reported no damage or tsunami alerts.
Region sits on the Pacific Ring of Fire and has logged 2,877 aftershocks since July 2025 magnitude 8.8 quake.
USGS forecasts more aftershocks, over 99% for magnitude 3+, as seismologists monitor for Pacific-wide tsunami alerts.

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Story summary

Three earthquakes struck off Russia's Kamchatka Peninsula on Sept. 29, 2025, magnitudes 4.6, 4.7, 4.8; U.S. Geological Survey (USGS) reported no damage or tsunami alerts.
Region sits on the Pacific Ring of Fire and has logged 2,877 aftershocks since July 2025 magnitude 8.8 quake.
USGS forecasts more aftershocks, over 99% for magnitude 3+, as seismologists monitor for Pacific-wide tsunami alerts.