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

Angstrom – Residency

10th sighting in Glacier Bay & Icy Strait
Fluke of Angstrom
Angstrom Confirmed in the catalog @18226
Jul 11 – Oct 8, 2020 · Glacier Bay & Icy Strait

Glacier Bay & Icy Strait · Jul – Oct 2020

216 m
Deepest dive
7:27
Longest dive
65
Dives
Sightings
5
Days between first and last sighting
89

Dive stats modelled within real depth limits — not measured

Get actual dive data with Risa Deep →
SightingSeafloorSea tempDeepest dive (modelled)
Jul 11, 2020107 m12.5°C36 m
Jul 23, 202095 m12.2°C83 m
Aug 6, 202024 m12.7°C22 m
Sep 15, 2020240 m11.1°C216 m
Oct 8, 2020185 m9.5°C110 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 11, 2020 — seafloor 107 m (measured), deepest dive 36 m (modelled)Jul 11Jul 23, 2020 — seafloor 95 m (measured), deepest dive 83 m (modelled)Jul 23Aug 6, 2020 — seafloor 24 m (measured), deepest dive 22 m (modelled)Aug 6Sep 15, 2020 — seafloor 240 m (measured), deepest dive 216 m (modelled)Sep 15Oct 8, 2020 — seafloor 185 m (measured), deepest dive 110 m (modelled)Oct 8

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

Dives

216 m
Deepest dive
7:27
Longest dive
65
Dives
28 m
Avg dive depth
5
Sightings
89
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
0125250216 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (240 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.

Unlock with Risa Deep

Place

Where this happened · Sep 15, 2020

measured
Seafloor depth
240 m
Sea-surface temperature
11.1°C
Distance from shore
2.0 km

Across the residency · 5 sightings

measured
Seafloor depth
24 m – 240 m
Sea-surface temperature
9.5°C – 12.7°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 5 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).

Happywhale runs on donations: support Happywhale →

Breach is an independent project. It is not affiliated with, nor endorsed by, Happywhale or GBIF.