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

SEAK-0973 – Residency

10th sighting in Chatham Strait
Fluke of SEAK-0973
SEAK-0973 Confirmed in the catalog @16867
Jun 28 – Aug 31, 2022 · Chatham Strait

Chatham Strait · Jun – Aug 2022

178 m
Deepest dive
6:14
Longest dive
101
Dives
Sightings
5
Days between first and last sighting
64
Deepest dive on record
178 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jun 28, 2022410 m—106 m
Aug 4, 202246 m—34 m
Aug 19, 2022253 m—178 m
Aug 24, 202252 m—31 m
Aug 31, 2022218 m—126 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
Jun 28, 2022 — seafloor 410 m (measured), deepest dive 106 m (modelled)Jun 28Aug 4, 2022 — seafloor 46 m (measured), deepest dive 34 m (modelled)Aug 4Aug 19, 2022 — seafloor 253 m (measured), deepest dive 178 m (modelled)Aug 19Aug 24, 2022 — seafloor 52 m (measured), deepest dive 31 m (modelled)Aug 24Aug 31, 2022 — seafloor 218 m (measured), deepest dive 126 m (modelled)Aug 31

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

Dives

178 m
Deepest dive
6:14
Longest dive
101
Dives
36 m
Avg dive depth
5
Sightings
64
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
0100200178 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (253 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 · Aug 19, 2022

measured
Seafloor depth
253 m
Sea-surface temperature
—
Distance from shore
4.0 km

Across the residency · 5 sightings

measured
Seafloor depth
46 m – 410 m
Sea-surface temperature
—
Distance from shore
3.0 km – 6.0 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 5 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.