2026-04-01T21:27:12.22Z56.186-158.737115.3manualconfirmedUSGS1.2ml1Origin/20260401213021.84211.93243Magnitude/20260401213021.842174.93244USGS7 km SSE of Chignik Lake, Alaskaregion nameakcatalogaka2026gkwakzcontributorID