2025-06-18T17:22:43.748Z54.9512-156.301314.5manualconfirmedUSGS3.1ml1Origin/20250618172608.008668.198741Magnitude/20250618172608.008722.198742USGS199 km SE of Chignik, Alaskaregion nameakcatalogak0257rs2tvacontributorID