2025-08-20T18:57:46.061087Z49.74296188354492-124.565727233886720manualconfirmedCASS1.744745903436107ML1Origin/20250820205848.60687.310029Magnitude/20250820205848.606915.310030quarry blastCASSVancouver Island, Canada Regionregion namecass2025qhmtcontributorID