Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
Northern California Coast

CRC-10406 – Residency

5th sighting in Northern California Coast
Fluke of CRC-10406
CRC-10406 Confirmed in the catalog @776
Aug 2 – Oct 22, 2018 · Northern California Coast

Northern California Coast · Aug – Oct 2018

124 m
Deepest dive
4:08
Longest dive
49
Dives
Sightings
4
Days between first and last sighting
81

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Aug 2, 201880 m—73 m
Oct 16, 2018150 m—36 m
Oct 16, 2018153 m—124 m
Oct 22, 2018194 m—31 m

Seafloor and sea temperature measured · ✳ dives modelled

Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors

Deepest dive against the seafloor, per sighting

Seafloor · measured Deepest dive · modelled
Aug 2, 2018 — seafloor 80 m (measured), deepest dive 73 m (modelled)Aug 2Oct 16, 2018 — seafloor 150 m (measured), deepest dive 36 m (modelled)Oct 16Oct 16, 2018 — seafloor 153 m (measured), deepest dive 124 m (modelled)Oct 16Oct 22, 2018 — seafloor 194 m (measured), deepest dive 31 m (modelled)Oct 22

Depth runs down from the surface. The modelled dive never passes the measured seafloor at that sighting.

Dives

124 m
Deepest dive
4:08
Longest dive
49
Dives
23 m
Avg dive depth
4
Sightings
81
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
075150124 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (153 m) and the published dive-behaviour distribution. Modelled, not measured.

Deep Effort Score

Deep

Depth, duration and recovery resolved into a single number for this session.

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Place

Where this happened · Oct 16, 2018

measured
Seafloor depth
153 m
Sea-surface temperature
—
Distance from shore
19.0 km

Across the residency · 4 sightings

measured
Seafloor depth
80 m – 194 m
Sea-surface temperature
—
Distance from shore
14.0 km – 20.0 km

Sources: GEBCO seafloor grid · PacIOOS coastline distance

Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors

Source records

This activity is assembled from 4 catalogued encounters on Happywhale.

Sighting records from Happywhale, published as occurrence data via GBIF. Individual records are licensed CC0 1.0, CC BY 4.0 or CC BY-NC 4.0, depending on the contributor.

The photographs and fluke identifications behind every sighting are the work of the contributing observers — the citizen scientists, naturalists and operators who logged them, each named in the underlying GBIF occurrence record. Every activity links out to its source encounters on Happywhale. Basemaps © OpenStreetMap contributors (ODbL).

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Breach is an independent project. It is not affiliated with, nor endorsed by, Happywhale or GBIF.