01 / YEAR-BY-YEAR
EVENT FILE / 06081MINIMUM 5 REPORTS
SAN MATEO · CA
Debris Flow history
NOAA records coded as Debris Flow in San Mateo during the ten complete years from 2016 through 2025.
Reports18NOAA county-coded rows
Population context2.4per 100,000 residents · 2024 ACS denominator 742,340
Injuries0direct + indirect fields
Fatalities0direct + indirect fields
Not a probability
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
Impact fields on these rows
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 records in this slice
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 |