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

SEAK-1930 – Residency

3rd sighting in Chatham Strait
Fluke of SEAK-1930
SEAK-1930 Confirmed in the catalog @19857
Jul 29 – Sep 4, 2019 · Chatham Strait

Chatham Strait · Jul – Sep 2019

85 m
Deepest dive
3:15
Longest dive
23
Dives
Sightings
2
Days between first and last sighting
37

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jul 29, 2019266 m—85 m
Sep 4, 2019196 m—71 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
Jul 29, 2019 — seafloor 266 m (measured), deepest dive 85 m (modelled)Jul 29Sep 4, 2019 — seafloor 196 m (measured), deepest dive 71 m (modelled)Sep 4

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

Dives

85 m
Deepest dive
3:15
Longest dive
23
Dives
26 m
Avg dive depth
2
Sightings
37
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010085 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (266 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 · Jul 29, 2019

measured
Seafloor depth
266 m
Sea-surface temperature
—
Distance from shore
3.0 km

Across the residency · 2 sightings

measured
Seafloor depth
196 m – 266 m
Sea-surface temperature
—
Distance from shore
3.0 km – 5.0 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.