Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
Prince William Sound

Magellan – Residency

4th sighting in Prince William Sound
Fluke of Magellan
Magellan Confirmed in the catalog @26453
Sep 2 – 6, 2010 · Prince William Sound

Prince William Sound · Sep 2010

59 m
Deepest dive
2:56
Longest dive
58
Dives
Sightings
3
Days between first and last sighting
4

Dive stats modelled within real depth limits — not measured

Get actual dive data with Risa Deep →
SightingSeafloorSea tempDeepest dive (modelled)
Sep 2, 201040 m—28 m
Sep 6, 201068 m—59 m
Sep 6, 201041 m—35 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
Sep 2, 2010 — seafloor 40 m (measured), deepest dive 28 m (modelled)Sep 2Sep 6, 2010 — seafloor 68 m (measured), deepest dive 59 m (modelled)Sep 6Sep 6, 2010 — seafloor 41 m (measured), deepest dive 35 m (modelled)Sep 6

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

Dives

59 m
Deepest dive
2:56
Longest dive
58
Dives
18 m
Avg dive depth
3
Sightings
4
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010059 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (68 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 6, 2010

measured
Seafloor depth
68 m
Sea-surface temperature
—
Distance from shore
3.0 km

Across the residency · 3 sightings

measured
Seafloor depth
40 m – 68 m
Sea-surface temperature
—
Distance from shore
1.0 km – 3.0 km

Sources: GEBCO seafloor grid · PacIOOS coastline distance

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

Source records

This activity is assembled from 3 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.