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

CRC-11307 – Residency

3rd sighting in Northern California Coast
Fluke of CRC-11307
CRC-11307 Confirmed in the catalog @6340
Oct 2 – 15, 2018 · Northern California Coast

Northern California Coast · Oct 2018

170 m
Deepest dive
5:21
Longest dive
36
Dives
Sightings
2
Days between first and last sighting
13
Deepest dive on record
170 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Oct 2, 2018229 m—170 m
Oct 15, 2018209 m—131 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
Oct 2, 2018 — seafloor 229 m (measured), deepest dive 170 m (modelled)Oct 2Oct 15, 2018 — seafloor 209 m (measured), deepest dive 131 m (modelled)Oct 15

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

Dives

170 m
Deepest dive
5:21
Longest dive
36
Dives
38 m
Avg dive depth
2
Sightings
13
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
0100200170 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (229 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 2, 2018

measured
Seafloor depth
229 m
Sea-surface temperature
—
Distance from shore
22.0 km

Across the residency · 2 sightings

measured
Seafloor depth
209 m – 229 m
Sea-surface temperature
—
Distance from shore
22.0 km – 23.0 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 2 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.