Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
Sitka Sound & Outer Baranof

NashEquilbrium – Residency

14th sighting in Sitka Sound & Outer Baranof
Fluke of NashEquilbrium
NashEquilbrium Confirmed in the catalog @19977
Mar 19 – Aug 5, 2023 · Sitka Sound & Outer Baranof

Sitka Sound & Outer Baranof · Mar – Aug 2023

233 m
Deepest dive
7:33
Longest dive
141
Dives
Sightings
10
Days between first and last sighting
139
Deepest dive on record
233 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Mar 19, 202369 m4.5°C50 m
Mar 24, 202355 m4.5°C35 m
Mar 25, 202339 m4.4°C24 m
Mar 28, 202348 m4.5°C42 m
Mar 29, 202346 m4.5°C39 m
Mar 30, 202345 m4.4°C38 m
Apr 2, 202349 m4.8°C44 m
Apr 2, 202373 m4.7°C51 m
Jun 21, 2023133 m9.8°C98 m
Aug 5, 2023272 m13.1°C233 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
Mar 19, 2023 — seafloor 69 m (measured), deepest dive 50 m (modelled)Mar 19Mar 24, 2023 — seafloor 55 m (measured), deepest dive 35 m (modelled)Mar 24Mar 25, 2023 — seafloor 39 m (measured), deepest dive 24 m (modelled)Mar 25Mar 28, 2023 — seafloor 48 m (measured), deepest dive 42 m (modelled)Mar 28Mar 29, 2023 — seafloor 46 m (measured), deepest dive 39 m (modelled)Mar 29Mar 30, 2023 — seafloor 45 m (measured), deepest dive 38 m (modelled)Mar 30Apr 2, 2023 — seafloor 49 m (measured), deepest dive 44 m (modelled)Apr 2Apr 2, 2023 — seafloor 73 m (measured), deepest dive 51 m (modelled)Apr 2Jun 21, 2023 — seafloor 133 m (measured), deepest dive 98 m (modelled)Jun 21Aug 5, 2023 — seafloor 272 m (measured), deepest dive 233 m (modelled)Aug 5

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

Dives

233 m
Deepest dive
7:33
Longest dive
141
Dives
21 m
Avg dive depth
10
Sightings
139
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
0125250233 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (272 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 5, 2023

measured
Seafloor depth
272 m
Sea-surface temperature
13.1°C
Distance from shore
5.0 km

Across the residency · 10 sightings

measured
Seafloor depth
39 m – 272 m
Sea-surface temperature
4.4°C – 13.1°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 10 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.