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

SEAK-1195 – Residency

4th sighting in Chatham Strait
Fluke of SEAK-1195
SEAK-1195 Confirmed in the catalog @21534
Aug 1 – 21, 2024 · Chatham Strait

Chatham Strait · Aug 2024

91 m
Deepest dive
2:53
Longest dive
27
Dives
Sightings
3
Days between first and last sighting
21

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Aug 1, 2024298 m11.9°C63 m
Aug 1, 2024629 m12.7°C78 m
Aug 21, 2024560 m13.9°C91 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
Aug 1, 2024 — seafloor 298 m (measured), deepest dive 63 m (modelled)Aug 1Aug 1, 2024 — seafloor 629 m (measured), deepest dive 78 m (modelled)Aug 1Aug 21, 2024 — seafloor 560 m (measured), deepest dive 91 m (modelled)Aug 21

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

Dives

91 m
Deepest dive
2:53
Longest dive
27
Dives
27 m
Avg dive depth
3
Sightings
21
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010091 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (560 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 21, 2024

measured
Seafloor depth
560 m
Sea-surface temperature
13.9°C
Distance from shore
4.0 km

Across the residency · 3 sightings

measured
Seafloor depth
298 m – 629 m
Sea-surface temperature
11.9°C – 13.9°C
Distance from shore
4.0 km – 7.0 km

Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance

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

Source records

This activity is assembled from 3 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.