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

SEAK-2674 – Residency

8th sighting in Chatham Strait
Fluke of SEAK-2674
SEAK-2674 Confirmed in the catalog @53449
Jun 10 – Sep 10, 2023 · Chatham Strait

Chatham Strait · Jun – Sep 2023

115 m
Deepest dive
4:55
Longest dive
53
Dives
Sightings
4
Days between first and last sighting
92
Deepest dive on record
115 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jun 10, 2023125 m—115 m
Jul 5, 2023111 m—97 m
Aug 11, 2023-10 m——
Sep 10, 202392 m—82 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 10, 2023 — seafloor 125 m (measured), deepest dive 115 m (modelled)Jun 10Jul 5, 2023 — seafloor 111 m (measured), deepest dive 97 m (modelled)Jul 5Aug 11, 2023 — seafloor -10 m (measured), deepest dive — (modelled)Aug 11Sep 10, 2023 — seafloor 92 m (measured), deepest dive 82 m (modelled)Sep 10

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

Dives

115 m
Deepest dive
4:55
Longest dive
53
Dives
32 m
Avg dive depth
4
Sightings
92
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
075150115 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (125 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 · Jun 10, 2023

measured
Seafloor depth
125 m
Sea-surface temperature
—
Distance from shore
1.0 km

Across the residency · 4 sightings

measured
Seafloor depth
-10 m – 125 m
Sea-surface temperature
—
Distance from shore
1.0 km – 8.0 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.