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Underwater seamount, least depth 900 feet, reported in 78-36.91N 158-21.35W

HYDROARC 2/07

issued: 2007-08-31 14:42Z
status: cancelled 2007-09-04 17:14Z (archive)
authority: GEORGE NEWTON EMAIL 31 AUG 07.
position: 78.615, -158.356
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

UNDERWATER SEAMOUNT, LEAST DEPTH 900 FEET,
REPORTED IN 78-36.91N 158-21.35W.

This area · other warnings

3 within 180 nm since 2007 · 0 in the last 12 months · 0 in force now

Underwater seamount, least depth 925 meters, reported in 78-36.91N 158-21.35W2010-07-04
Underwater seamount, least depth 925 meters, reported in 78-36.91N 158-21.35W2007-09-04

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Timeline

Underwater seamount, least depth 925 meters, reported in 78-36.91N 158-21.35Wcancelled by · 2007-09-04

Nearby now · within 120 nm

Nothing else in force within 120 nm.

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Everything the classifier did not place elsewhere. All current other warnings →

Not for navigation. This is a re-rendering of an official navigational warning for awareness; mariners must use official NAVAREA broadcasts and their national MSI service.