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

SEAK-5120 – Residency

12th sighting in Chatham Strait
Fluke of SEAK-5120
SEAK-5120 Confirmed in the catalog @26731
Apr 22 – Sep 7, 2022 · Chatham Strait

Chatham Strait · Apr – Sep 2022

78 m
Deepest dive
4:00
Longest dive
95
Dives
Sightings
7
Days between first and last sighting
138

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Apr 22, 202222 m—14 m
Jun 10, 202286 m—68 m
Jul 15, 202259 m—51 m
Jul 15, 202259 m—53 m
Jul 16, 202295 m—44 m
Aug 19, 2022253 m—78 m
Sep 7, 202260 m—49 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
Apr 22, 2022 — seafloor 22 m (measured), deepest dive 14 m (modelled)Apr 22Jun 10, 2022 — seafloor 86 m (measured), deepest dive 68 m (modelled)Jun 10Jul 15, 2022 — seafloor 59 m (measured), deepest dive 51 m (modelled)Jul 15Jul 15, 2022 — seafloor 59 m (measured), deepest dive 53 m (modelled)Jul 15Jul 16, 2022 — seafloor 95 m (measured), deepest dive 44 m (modelled)Jul 16Aug 19, 2022 — seafloor 253 m (measured), deepest dive 78 m (modelled)Aug 19Sep 7, 2022 — seafloor 60 m (measured), deepest dive 49 m (modelled)Sep 7

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

Dives

78 m
Deepest dive
4:00
Longest dive
95
Dives
19 m
Avg dive depth
7
Sightings
138
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010078 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 · 7 sightings

measured
Seafloor depth
22 m – 253 m
Sea-surface temperature
—
Distance from shore
1.0 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 7 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.