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

Equilibrium – Residency

10th sighting in Chatham Strait
Fluke of Equilibrium
Equilibrium Confirmed in the catalog @6263
Jul 22 – Aug 27, 2020 · Chatham Strait

Chatham Strait · Jul – Aug 2020

93 m
Deepest dive
2:59
Longest dive
39
Dives
Sightings
4
Days between first and last sighting
36

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jul 22, 2020106 m12.7°C93 m
Jul 30, 202053 m12.5°C36 m
Aug 18, 202053 m12.9°C48 m
Aug 27, 202064 m13.5°C53 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
Jul 22, 2020 — seafloor 106 m (measured), deepest dive 93 m (modelled)Jul 22Jul 30, 2020 — seafloor 53 m (measured), deepest dive 36 m (modelled)Jul 30Aug 18, 2020 — seafloor 53 m (measured), deepest dive 48 m (modelled)Aug 18Aug 27, 2020 — seafloor 64 m (measured), deepest dive 53 m (modelled)Aug 27

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

Dives

93 m
Deepest dive
2:59
Longest dive
39
Dives
21 m
Avg dive depth
4
Sightings
36
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010093 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (106 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 22, 2020

measured
Seafloor depth
106 m
Sea-surface temperature
12.7°C
Distance from shore
4.0 km

Across the residency · 4 sightings

measured
Seafloor depth
53 m – 106 m
Sea-surface temperature
12.5°C – 13.5°C
Distance from shore
4.0 km – 5.0 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 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.