Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
Glacier Bay & Icy Strait

Bullethole – Residency

15th sighting in Glacier Bay & Icy Strait
Fluke of Bullethole
Bullethole Confirmed in the catalog @26458
Jun 8 – Aug 14, 2017 · Glacier Bay & Icy Strait

Glacier Bay & Icy Strait · Jun – Aug 2017

84 m
Deepest dive
4:45
Longest dive
39
Dives
Sightings
3
Days between first and last sighting
67

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jun 8, 201737 m9.0°C31 m
Jun 13, 201795 m9.0°C50 m
Aug 14, 2017115 m12.8°C84 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 8, 2017 — seafloor 37 m (measured), deepest dive 31 m (modelled)Jun 8Jun 13, 2017 — seafloor 95 m (measured), deepest dive 50 m (modelled)Jun 13Aug 14, 2017 — seafloor 115 m (measured), deepest dive 84 m (modelled)Aug 14

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

Dives

84 m
Deepest dive
4:45
Longest dive
39
Dives
23 m
Avg dive depth
3
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
05010084 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (115 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 14, 2017

measured
Seafloor depth
115 m
Sea-surface temperature
12.8°C
Distance from shore
1.0 km

Across the residency · 3 sightings

measured
Seafloor depth
37 m – 115 m
Sea-surface temperature
9.0°C – 12.8°C
Distance from shore
1.0 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 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.