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Lynn Canal & Stephens Passage

Magma – Residency

34th sighting in Lynn Canal & Stephens Passage
Fluke of Magma
Magma Confirmed in the catalog @17127
Jun 10 – Dec 13, 2019 · Lynn Canal & Stephens Passage

Lynn Canal & Stephens Passage · Jun – Dec 2019

87 m
Deepest dive
3:44
Longest dive
159
Dives
Sightings
13
Days between first and last sighting
185

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jun 10, 201971 m11.1°C48 m
Jun 10, 2019107 m11.0°C28 m
Sep 4, 201984 m10.9°C65 m
Sep 4, 201999 m10.9°C87 m
Sep 6, 201972 m12.1°C63 m
Sep 8, 201955 m12.6°C34 m
Sep 9, 2019107 m12.6°C63 m
Sep 17, 2019107 m11.8°C66 m
Sep 18, 2019113 m12.0°C84 m
Sep 19, 201999 m11.9°C69 m
Sep 22, 2019302 m11.5°C63 m
Oct 1, 2019115 m10.2°C59 m
Dec 13, 201993 m7.1°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 10, 2019 — seafloor 71 m (measured), deepest dive 48 m (modelled)Jun 10Jun 10, 2019 — seafloor 107 m (measured), deepest dive 28 m (modelled)Sep 4, 2019 — seafloor 84 m (measured), deepest dive 65 m (modelled)Sep 4, 2019 — seafloor 99 m (measured), deepest dive 87 m (modelled)Sep 4Sep 6, 2019 — seafloor 72 m (measured), deepest dive 63 m (modelled)Sep 8, 2019 — seafloor 55 m (measured), deepest dive 34 m (modelled)Sep 9, 2019 — seafloor 107 m (measured), deepest dive 63 m (modelled)Sep 9Sep 17, 2019 — seafloor 107 m (measured), deepest dive 66 m (modelled)Sep 18, 2019 — seafloor 113 m (measured), deepest dive 84 m (modelled)Sep 19, 2019 — seafloor 99 m (measured), deepest dive 69 m (modelled)Sep 19Sep 22, 2019 — seafloor 302 m (measured), deepest dive 63 m (modelled)Oct 1, 2019 — seafloor 115 m (measured), deepest dive 59 m (modelled)Dec 13, 2019 — seafloor 93 m (measured), deepest dive 76 m (modelled)Dec 13

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

Dives

87 m
Deepest dive
3:44
Longest dive
159
Dives
26 m
Avg dive depth
13
Sightings
185
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010087 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (99 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 4, 2019

measured
Seafloor depth
99 m
Sea-surface temperature
10.9°C
Distance from shore
1.0 km

Across the residency · 13 sightings

measured
Seafloor depth
55 m – 302 m
Sea-surface temperature
7.1°C – 12.6°C
Distance from shore
1.0 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 13 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.