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

SEAK-UASE-LAW-20251001-019 – Residency

2nd sighting in Sitka Sound & Outer Baranof
Fluke of SEAK-UASE-LAW-20251001-019
SEAK-UASE-LAW-20251001-019 Confirmed in the catalog @144935
Aug 18 – Oct 1, 2025 · Sitka Sound & Outer Baranof

Sitka Sound & Outer Baranof · Aug – Oct 2025

104 m
Deepest dive
5:00
Longest dive
24
Dives
Sightings
2
Days between first and last sighting
44
Deepest dive on record
104 m · this residency

Dive stats modelled within real depth limits — not measured

Get actual dive data with Risa Deep →
SightingSeafloorSea tempDeepest dive (modelled)
Aug 18, 2025178 m—62 m
Oct 1, 2025132 m—104 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
Aug 18, 2025 — seafloor 178 m (measured), deepest dive 62 m (modelled)Aug 18Oct 1, 2025 — seafloor 132 m (measured), deepest dive 104 m (modelled)Oct 1

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

Dives

104 m
Deepest dive
5:00
Longest dive
24
Dives
27 m
Avg dive depth
2
Sightings
44
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
075150104 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (132 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 · Oct 1, 2025

measured
Seafloor depth
132 m
Sea-surface temperature
—
Distance from shore
—

Across the residency · 2 sightings

measured
Seafloor depth
132 m – 178 m
Sea-surface temperature
—
Distance from shore
6.0 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 2 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.