Lighthouses With Fog Signals for Pacific (1879)

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Hide Insets
4- Bell
1- Siren
10- Whistle

Lighthouses with Audible Fog Signals

Alcatraz Island CA A bell. struck by machinery, four blows at intervals of 9 seconds, followed by a pause of 28 seconds. N37 49.578 W122 25.332
East Brother Island CA A 12-inch steam whistle; blasts of 8 and 4 seconds, with intervals of 24 seconds. N37 57.792 W122 26.016
Fort Point CA A bell, struck by machinery every 10 seconds. N37 48.648 W122 28.631
Humboldt Harbor CA A 12-inch steam fog-whistle, giving alternate blasts of 4 and 8 seconds, at intervals of 24 seconds. N40 46.146 W124 13.260
Mare Island CA A bell, struck by machinery every 10 seconds. N38 04.398 W122 15.216
Pigeon Point CA A 12-inch steam fog-whistle; blasts of 4 seconds duration, with alternate intervals of 7 and 45 seconds. N37 10.908 W122 23.640
Point Arena CA A 12-inch steam-whistle, giving blasts of 5 seconds, at intervals of 25 seconds. N38 57.276 W123 44.436
Point Bonita CA A 1st-class steam fog-siren at the extremity of Point Bonita; trumpet blasts of 4 seconds at intervals of 35 seconds. N37 48.936 W122 31.776
Point Conception CA A 12-inch steam fog-whistle, giving blasts of 8 seconds at intervals of 52 seconds. N34 26.982 W120 28.195
Point Reyes CA A 12-inch steam fog-whistle, giving blasts of 8 seconds, at intervals of 52 seconds. N37 59.730 W123 01.398
Yerba Buena Island CA A 10-inch steam fog-whistle; blasts of 4 seconds at intervals of 16 seconds. N37 48.438 W122 21.738
Point Adams OR A 12-inch steam fog-whistle, giving a blast of 7 seconds, interval of 14 seconds, then a blast of 4 seconds, followed by an interval of 35 seconds. N46 11.533 W123 58.617
Cape Disappointment WA A bell, struck by machinery every 10 seconds. N46 16.548 W124 03.132
Cape Flattery WA A 12-inch steam fog-whistle, giving blasts of 8 seconds at intervals of 52 seconds. N48 23.496 W124 44.196
New Dungeness WA A 12-inch steam fog-whistle, giving blasts of 6 and 3 seconds at alternate intervals of 12 and 39 seconds. N48 10.902 W123 06.612