Dinsmore, California
13 topographic sheets cover this place, the earliest surveyed in 1949 and the latest in 1997. It stands in the Fortuna census division. It lies in ZIP code area 95526. It stands on Mill Creek. The Survey maps it on the Dinsmore quadrangle. It stands 2,415 feet above sea level.
Then and now
1949 to 1997The same ground, surveyed 48 years apart. Drag the handle to wipe between them. Both sheets are United States Geological Survey originals; neither has been altered.


Compare 1949 against another survey:
Topographic sheets covering this place
6 surveys from 13 printed sheetsMatched 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.
- 1949 USGS Blocksburg quadrangle1:62500, 2 printings
- 1951 USGS Blocksburg quadrangle1:62500, 2 printings
- 1958 USGS Redding quadrangle1:250000, 5 printings
- 1977 USGS Dinsmore quadrangle1:24000, 2 printings
- 1979 USGS Garberville quadrangle1:100000
- 1997 USGS Dinsmore quadrangle1:24000
Fires near this place
57 since 1992Regional context, not property-specific evidence. The federal wildfire occurrence database lists 57 fires within 5 miles of Dinsmore between 1992 and 2020, burning about 2,157 acres in total. 8 started naturally. 7 were 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 | 22 |
| Debris and open burning | 9 |
| Natural | 8 |
| Equipment and vehicle use | 8 |
| Arson/incendiarism | 7 |
| Other causes | 2 |
| Recreation and ceremony | 1 |
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 |
|---|---|---|---|---|
| 9 September 1993 | Missing data/not specified/undetermined | under an acre | Six Rivers National Forest | not named |
| 3 September 2003 | Natural | 2.5 acres | Six Rivers National Forest | RABBIT |
| 3 September 1996 | Arson/incendiarism | under an acre | Humboldt-Del Norte Unit | LARABEE |
| 28 September 2007 | Equipment and vehicle use | 1.4 acres | Humboldt-Del Norte Unit | HIDDEN |
| 25 September 1999 | Equipment and vehicle use | 96 acres | Humboldt-Del Norte Unit | LARABEE |
| 21 September 1992 | Arson/incendiarism | under an acre | Six Rivers National Forest | not named |
| 19 September 2003 | Missing data/not specified/undetermined | under an acre | Six Rivers National Forest | BUCK |
| 18 September 1994 | Missing data/not specified/undetermined | under an acre | Humboldt-Del Norte Unit | CHRISTEN |
Settlements close enough to share some of these fires:
Mines and quarries near this place
4 within 5 milesRegional context, not property-specific evidence. The federal mineral resources record lists 4 workings within 5 miles of Dinsmore: 2 producers, 1 occurrence, 1 unknown. 2 still produce. What was taken out: Chromium, Sand and Gravel, Construction. Distance is straight-line from the map coordinates, so a quarry counted here may appear on a neighbouring settlement's page as well.
| Where | Site | Commodity | Status | Recorded |
|---|---|---|---|---|
| Blocksburg | Sand and Gravel, Construction | Producer | ||
| Dinsmore Pit | Sand and Gravel, Construction | Producer | ||
| Unknown | Chromium | Occurrence | Chromite | |
| Unnamed Location | Chromium | Unknown |
Storms near this place
3 since 2025Regional context, not property-specific evidence. The National Weather Service names Dinsmore in 3 storm reports in 2025: 1 heavy rain, 1 flood, 1 thunderstorm wind. No death or injury is recorded in these reports. Each account below is quoted exactly as the forecast office filed it, from the NOAA Storm Events Database, and each date opens the federal record of that event.
| When | Event | Place named | Harm | What the report says |
|---|---|---|---|---|
| February 2025 | Heavy Rain | Dinsmore | $1,100 | Rock slide is blocking the east bound lane of HWY 36.|Lat. 40.49N, Long. -123.63W. |
| November 2025 | Thunderstorm Wind | Dinsmore | $500 | Greenhouse torn completely apart and large branches down near Dinsmore. |
| December 2025 | Flood | Dinsmore | - | Flooding over Highway 36 southeast of Dinsmore resulted in a full closure of the road. |
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.
| Map | Place | Distance | Sheets |
|---|---|---|---|
| Bridgeville | 10.3 miles | 12 | |
| Maple Grove | 12.1 miles | 12 | |
| Yager Junction | 12.2 miles | 12 | |
| Tanoak (historical) | 14.8 miles | 11 | |
| Blocksburg | 15.0 miles | 12 | |
| Smith (historical) | 15.1 miles | 11 | |
| Eel Rock | 15.5 miles | 12 | |
| Whitlow | 15.8 miles | 11 |
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 Dinsmore | An encyclopaedic summary. Its text is share-alike, so it is linked here rather than copied. |
| Wikidata item Q5278721 | 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 259385. 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.
Mines and quarries. USGS Mineral Resources Data System (MRDS) https://mrdata.usgs.gov/mrds/ A work of the United States government, no copyright under 17 U.S.C. 105.
Storms. NOAA National Centers for Environmental Information, Storm Events Database https://www.ncei.noaa.gov/stormevents/ A work of the United States government, no copyright under 17 U.S.C. 105. Narratives are quoted verbatim from the National Weather Service report and are not edited or summarised.





