Megaquake hits Kamchatka
Magnitude 8.8 quake off Russia
Epicentre offshore
120 km east of Petropavlovsk
Shallow quake zone
Depth about 20 km below ocean
Tsunami warning issued
Alerts for Pacific shores
Russia’s coast flooded
Severo‑Kurilsk saw 3–5 m waves
Japan evacuations underway
Nearly 2 M moved inland
Hawaii felt minor waves
Wave heights up to 1.7 m
Alerts downgraded quickly
Warnings turned into advisories
No reported fatalities
Well‑built codes saved lives
Volcano erupts afterward
Klyuchevskoy spews lava later