01 / YEAR-BY-YEAR
Debris Flow in San Mateo reports by year
NOAA recorded 18 Debris Flow in San Mateo reports across the ten complete years from 2016 through 2025.
EVENT FILE / 06081MINIMUM 5 REPORTS
SAN MATEO · CA
Debris Flow history
NOAA recorded 18 county-coded Debris Flow reports in San Mateo, CA, from 2016 through 2025, with 0 reported injuries, 0 reported fatalities, and $0 in filed damage.
Source: NOAA Storm Events details table · Complete years 2016–2025 · Compiled 16 Sep 2026
Reports18NOAA county-coded rows
Population context2.4per 100,000 residents · 2024 ACS denominator 742,340
Injuries0direct + indirect fields
Fatalities0direct + indirect fields
How to read the count
18 reports in ten years does not mean a 1.8-event annual forecast. Reporting units, event segmentation, coverage, and local exposure all affect the count.
03 / RECORDED CONSEQUENCES
Recorded impacts for Debris Flow in San Mateo
The Debris Flow in San Mateo records contain 0 injuries, 0 fatalities, $0 in property damage, and $0 in crop damage.
Damage estimates are nominal values as filed by the reporting source and retained by NOAA.
Property damage$0not inflation-adjusted
Crop damage$0not inflation-adjusted
First report year2,017within selected window
Latest report year2,023within selected window
04 / RECENT ROW SAMPLE
Latest Debris Flow in San Mateo source records
NOAA supplied 8 recent Debris Flow in San Mateo source rows with dates, event IDs, report sources, magnitude fields, and filed damage.
Up to eight latest rows are shown for auditability. Open NOAA for complete narratives and revisions.
| Date | Event ID | Source | Magnitude / scale | Filed damage |
|---|---|---|---|---|
| 2023-01-05 | NOAA 1,078,490 | Law Enforcement | — | $0 |
| 2019-02-14 | NOAA 801,990 | Law Enforcement | — | $0 |
| 2019-02-13 | NOAA 801,009 | Law Enforcement | — | $0 |
| 2019-02-13 | NOAA 801,004 | Broadcast Media | — | $0 |
| 2019-02-13 | NOAA 800,902 | Law Enforcement | — | $0 |
| 2018-04-07 | NOAA 744,681 | Law Enforcement | — | $0 |
| 2017-02-09 | NOAA 683,670 | Law Enforcement | — | $0 |
| 2017-02-21 | NOAA 682,696 | Law Enforcement | — | $0 |