Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
Lynn Canal & Stephens Passage

Stamp – Residency

1st sighting in Lynn Canal & Stephens Passage
Fluke of Stamp
Stamp Confirmed in the catalog @16925
Jun 24 – Aug 20, 2015 · Lynn Canal & Stephens Passage

Lynn Canal & Stephens Passage · Jun – Aug 2015

76 m
Deepest dive
3:29
Longest dive
18
Dives
Sightings
2
Days between first and last sighting
57

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jun 24, 2015104 m13.3°C75 m
Aug 20, 2015259 m11.5°C76 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 24, 2015 — seafloor 104 m (measured), deepest dive 75 m (modelled)Jun 24Aug 20, 2015 — seafloor 259 m (measured), deepest dive 76 m (modelled)Aug 20

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

Dives

76 m
Deepest dive
3:29
Longest dive
18
Dives
31 m
Avg dive depth
2
Sightings
57
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010076 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (259 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 20, 2015

measured
Seafloor depth
259 m
Sea-surface temperature
11.5°C
Distance from shore
6.0 km

Across the residency · 2 sightings

measured
Seafloor depth
104 m – 259 m
Sea-surface temperature
11.5°C – 13.3°C
Distance from shore
1.0 km – 6.0 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 2 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.