USA Primary Fog Signals Google Map - 1900

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12- Bell
5- Siren
5- Trumpet
15- Whistle

Light Stations with Fog Signals

1 Alcatraz Island CA Bell struck by machinery five blows, at intervals of 10 sec., followed by a silent interval of 25 sec. N37 49.578 W122 25.332
2 A�o Nuevo Island CA 12-inch steam whistle; blasts 10 sec., silent intervals 55 sec. N37 06.504 W122 20.208
3 Ballast Point CA Bell struck by machinery every 10 sec. N32 41.175 W117 14.000
4 East Brother Island CA 12-inch steam whistle; alternate blasts of 4 and 6 sec., silent intervals 24 sec. N37 57.792 W122 26.016
5 Farallon Island CA 1st-class steam siren; blasts 5 sec., silent intervals 45 sec. N37 41.946 W123 00.108
6 Fort Point CA Bell struck by machinery every 10 sec. N37 48.648 W122 28.631
7 Mare Island CA Bell struck by machinery every 10 sec. N38 04.398 W122 15.216
8 Oakland Harbor CA Bell struck by machinery every 5 sec. N37 48.013 W122 19.807
9 Pigeon Point CA 10-inch or 12-inch steam whistle; blasts 4 sec., alternate silent intervals of 7 and 45 sec. N37 10.908 W122 23.640
10 Point Arena CA 10-inch or 12-inch steam whistle; blasts 5 sec., silent intervals 25 sec. N38 57.276 W123 44.436
11 Point Bonita CA 1st-class steam siren; blasts 5 sec., silent intervals 35 sec. The siren will sound 5 or 6 short, sharp blasts and a blast of 15 sec. to warn the life-saving crew when vessels are in distress. N37 48.936 W122 31.776
12 Point Conception CA 12-inch steam whistle; blasts 8 sec., silent intervals 52 sec. N34 26.922 W120 28.242
13 Point Reyes CA 12-inch steam whistle; blasts 5 sec., silent intervals 70 sec. The whistle will sound 5 or 6 short, sharp blasts and a blast of 15 sec. to warn the life-saving crew when vessels are in distress. N37 59.730 W123 01.398
14 Point Sur CA 12-inch steam whistle; blasts 5 sec., silent intervals 35 sec. N36 18.378 W121 54.090
15 Roe Island CA Bell struck by machinery every 10 sec. N38 04.056 W122 01.700
16 San Luis Obispo CA 10-inch steam whistle; blasts 5 sec., silent intervals 35 sec. N35 09.624 W120 45.666
17 St. George Reef CA 12-inch steam whistle; blasts 5 sec., silent intervals 75 sec. N41 50.220 W124 22.518
18 Table Bluff CA 10-inch or 12-inch steam whistle; alternate blasts of 4 and 8 sec., silent intervals 24 sec. The whistle will sound 5 or 6 short, sharp blasts and a blast of 15 sec. to warn the life-saving crew when vessels are in distress. N40 41.705 W124 16.532
19 Trinidad Head CA A 4,000-pound bell struck by machinery every 10 sec. N41 03.125 W124 09.090
20 Yerba Buena Island CA 10-inch steam whistle; blasts 4 sec., silent intervals 16 sec. N37 48.438 W122 21.738
21 Cape Arago OR Daboll trumpet; blasts 5 sec., alternate silent intervals 8 and 42 sec. N43 20.619 W124 22.613
22 Coquille River OR Daboll trumpet; blasts 5 sec., silent intervals 25 sec. N43 07.434 W124 25.458
23 Tillamook OR First-class steam siren; blasts 5 sec., silent intervals 90 sec. N45 56.232 W124 01.146
24 Warrior Rock OR Bell struck by machinery every 15 sec. N45 50.916 W122 47.304
25 Willamette River OR Bell struck by machinery every 10 sec. N45 39.033 W122 45.883
26 Cape Flattery WA 12-inch steam whistle; blasts 8 sec., silent intervals 52 sec. N48 23.496 W124 44.196
27 Destruction Island WA 1st-class steam siren; blasts 5 sec., silent intervals 55 sec. N47 40.470 W124 29.220
28 Ediz Hook WA Bell struck by machinery every 15 sec. N48 08.400 W123 24.168
29 Grays Harbor WA 1st-class steam siren; blasts 5 sec., alternate silent intervals of 5 and 75 sec. N46 53.292 W124 07.014
30 Marrowstone Point WA Bell struck by machinery a double blow every 15 sec. N48 06.096 W122 41.268
31 New Dungeness WA 12-inch steam whistle; blast 6 sec., silent interval 12 sec.; blast 3 sec., silent interval 39 sec. N48 10.902 W123 06.612
32 Patos Island WA Daboll trumpet; blasts 2 sec., silent intervals 18 sec. N48 47.340 W122 58.266
33 Point No Point WA Bell struck by machinery every 10 sec. N47 54.733 W122 31.608
34 Point Robinson WA 12-inch steam whistle; blasts 6 sec., silent intervals 54 sec. N47 23.286 W122 22.464
35 Point Wilson WA 12-inch steam whistle; blasts 8 sec., silent intervals 52 sec. N48 08.646 W122 45.318
36 Turn Point WA Daboll trumpet; blasts 3 sec., silent intervals 27 sec. N48 41.322 W123 14.232
37 West Point WA Daboll trumpet; blasts 5 sec., silent intervals 25 sec. N47 39.720 W122 26.142