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

NashEquilbrium – Residency

25th sighting in Chatham Strait
Fluke of NashEquilbrium
NashEquilbrium Confirmed in the catalog @19977
Jun 20 – Aug 18, 2024 · Chatham Strait

Chatham Strait · Jun – Aug 2024

115 m
Deepest dive
3:25
Longest dive
102
Dives
Sightings
7
Days between first and last sighting
59

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jun 20, 202477 m10.8°C67 m
Jun 30, 202487 m11.3°C79 m
Jul 3, 202456 m10.3°C49 m
Jul 4, 2024326 m10.4°C115 m
Aug 6, 2024500 m14.5°C46 m
Aug 11, 20247 m12.3°C6 m
Aug 18, 2024591 m13.8°C68 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 20, 2024 — seafloor 77 m (measured), deepest dive 67 m (modelled)Jun 20Jun 30, 2024 — seafloor 87 m (measured), deepest dive 79 m (modelled)Jun 30Jul 3, 2024 — seafloor 56 m (measured), deepest dive 49 m (modelled)Jul 3Jul 4, 2024 — seafloor 326 m (measured), deepest dive 115 m (modelled)Jul 4Aug 6, 2024 — seafloor 500 m (measured), deepest dive 46 m (modelled)Aug 6Aug 11, 2024 — seafloor 7 m (measured), deepest dive 6 m (modelled)Aug 11Aug 18, 2024 — seafloor 591 m (measured), deepest dive 68 m (modelled)Aug 18

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

Dives

115 m
Deepest dive
3:25
Longest dive
102
Dives
25 m
Avg dive depth
7
Sightings
59
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 (326 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 4, 2024

measured
Seafloor depth
326 m
Sea-surface temperature
10.4°C
Distance from shore
8.0 km

Across the residency · 7 sightings

measured
Seafloor depth
7 m – 591 m
Sea-surface temperature
10.3°C – 14.5°C
Distance from shore
1.0 km – 9.0 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 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.