Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
Johnstone Strait & Broughton

Inukshuk – Residency

34th sighting in Johnstone Strait & Broughton
Fluke of Inukshuk
Inukshuk Confirmed in the catalog @4460
Jul 12 – Sep 18, 2025 · Johnstone Strait & Broughton

Johnstone Strait & Broughton · Jul – Sep 2025

79 m
Deepest dive
3:54
Longest dive
68
Dives
Sightings
7
Days between first and last sighting
67

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jul 12, 202518 m15.8°C15 m
Aug 4, 202580 m15.1°C43 m
Aug 17, 2025159 m14.5°C76 m
Aug 19, 202589 m14.3°C71 m
Aug 22, 202575 m14.3°C62 m
Sep 12, 202587 m15.1°C79 m
Sep 18, 202573 m13.8°C35 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 12, 2025 — seafloor 18 m (measured), deepest dive 15 m (modelled)Jul 12Aug 4, 2025 — seafloor 80 m (measured), deepest dive 43 m (modelled)Aug 4Aug 17, 2025 — seafloor 159 m (measured), deepest dive 76 m (modelled)Aug 17Aug 19, 2025 — seafloor 89 m (measured), deepest dive 71 m (modelled)Aug 19Aug 22, 2025 — seafloor 75 m (measured), deepest dive 62 m (modelled)Aug 22Sep 12, 2025 — seafloor 87 m (measured), deepest dive 79 m (modelled)Sep 12Sep 18, 2025 — seafloor 73 m (measured), deepest dive 35 m (modelled)Sep 18

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

Dives

79 m
Deepest dive
3:54
Longest dive
68
Dives
21 m
Avg dive depth
7
Sightings
67
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010079 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (87 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 · Sep 12, 2025

measured
Seafloor depth
87 m
Sea-surface temperature
15.1°C
Distance from shore
1.0 km

Across the residency · 7 sightings

measured
Seafloor depth
18 m – 159 m
Sea-surface temperature
13.8°C – 15.8°C
Distance from shore
1.0 km – 2.0 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.