Signal Port, California

19 topographic sheets cover this place, the earliest surveyed in 1943 and the latest in 1998. It stands in the Point Arena census division. It lies in ZIP code area 95445. It stands on Signal Port Creek. The Survey maps it on the Gualala quadrangle. It stands 108 feet above sea level. The federal gazetteer marks this settlement historical: it is no longer a populated place, though the surveys that recorded it still are.

Signal Port within Mendocino County

Then and now

1943 to 1998

The same ground, surveyed 55 years apart. Drag the handle to wipe between them. Both sheets are United States Geological Survey originals; neither has been altered.

Topographic sheet of Signal Port (historical), surveyed 1998

Topographic sheet of Signal Port (historical), surveyed 1943

Compare 1943 against another survey:

Topographic sheets covering this place

11 surveys from 19 printed sheets

Matched by testing this settlement's coordinate against the published boundary of every sheet in the United States Geological Survey's historical collection. Each opens the scanned sheet at the Survey.

1943 USGS Point Arena quadrangle1:62500, 2 printings
1947 USGS Santa Rosa quadrangle1:250000
1949 USGS Santa Rosa quadrangle1:250000, 2 printings
1958 USGS Santa Rosa quadrangle1:250000, 3 printings
1960 USGS Gualala quadrangle1:24000, 3 printings
1960 USGS Point Arena quadrangle1:62500, 2 printings
1962 USGS Santa Rosa quadrangle1:250000
1964 USGS Santa Rosa quadrangle1:250000
1977 USGS Gualala quadrangle1:24000
1981 USGS Point Arena quadrangle1:100000, 2 printings
1998 USGS Gualala quadrangle1:24000

Fires near this place

110 since 1992

Regional context, not property-specific evidence. The federal wildfire occurrence database lists 110 fires within 5 miles of Signal Port (historical) between 1992 and 2019, burning about 116 acres in total. None started naturally. None was recorded as arson. Distance is straight-line from the map coordinates, so a fire counted here may appear on a neighbouring settlement's page as well.

Reported cause	Fires
Missing data/not specified/undetermined	43
Debris and open burning	26
Equipment and vehicle use	21
Recreation and ceremony	8
Power generation/transmission/distribution	7
Misuse of fire by a minor	3
Smoking	2

The most recent of them, most recent first, with the day each was reported and the service that recorded it.

Date	Cause	Size	Reported by	Name on the report
30 September 1999	Power generation/transmission/distribution	2.0 acres	Northern California District	WHALE
25 September 2009	Power generation/transmission/distribution	under an acre	Mendocino Unit	FISH
24 September 2014	Power generation/transmission/distribution	under an acre	Mendocino Unit	HAVENS
21 September 2016	Missing data/not specified/undetermined	under an acre	California Department of Forestry & Fire Protection	GULCH
2 September 1996	Equipment and vehicle use	2.0 acres	Mendocino Unit	OAK
19 September 2001	Equipment and vehicle use	1.0 acres	Mendocino Unit	BILL
19 September 1998	Recreation and ceremony	under an acre	Northern California District	STATE PARKS 7
18 September 2003	Missing data/not specified/undetermined	under an acre	Mendocino Unit	OWENS

Settlements close enough to share some of these fires:

Every fire recorded in Mendocino County

Nearest settlements

The eight closest, with where each one stands in the county. Distances are straight-line, computed from the Geographic Names Information System coordinates.

Place	Distance	Sheets
Fish Rock	2.3 miles	19
Anchor Bay	2.7 miles	19
Gallaway	3.4 miles	17
Gualala	6.4 miles	19
Point Arena	6.9 miles	19
Iverson Indian Rancheria	8.2 miles	19
Flumeville	8.5 miles	19
Stronetta (historical)	9.4 miles	19

Elsewhere

Matched on this settlement's Geographic Names Information System number rather than its name, so it cannot be a different place of the same name in another state.

Wikipedia article on Signal Port (historical)	An encyclopaedic summary. Its text is share-alike, so it is linked here rather than copied.
Wikidata item Q7512696	The structured record the population and elevation above come from. Public domain (CC0).

Provenance

This settlement is recorded in the Geographic Names Information System as feature 1666816. The sheet list is computed by point-in-boundary test against the United States Geological Survey's historical topographic inventory. Both are works of the United States government and carry no copyright under 17 U.S.C. 105.

Wildfire. Short, Karen C. 2022. Spatial wildfire occurrence data for the United States, 1992-2020 [FPA_FOD_20221014]. 6th Edition. Fort Collins, CO: Forest Service Research Data Archive. https://doi.org/10.2737/RDS-2013-0009.6 Collected with United States Government funding and usable without additional permissions or fees.