Risa
Try Deep freeDeep
Risa
Try Deep freeDeep
Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
Lynn Canal & Stephens Passage

Sasha – Residency

39th sighting in Lynn Canal & Stephens Passage
Fluke of Sasha
Sasha Confirmed in the catalog @11153
May 27 – Aug 28, 2018 · Lynn Canal & Stephens Passage

Lynn Canal & Stephens Passage · May – Aug 2018

70 m
Deepest dive
3:02
Longest dive
124
Dives
Sightings
11
Days between first and last sighting
93

Dive stats modelled within real depth limits — not measured

Get actual dive data with Risa Deep →
SightingSeafloorSea tempDeepest dive (modelled)
May 27, 201869 m7.9°C50 m
Jun 4, 201856 m9.2°C49 m
Jun 13, 2018117 m10.0°C61 m
Jul 8, 201861 m12.7°C48 m
Jul 10, 2018104 m12.3°C45 m
Jul 26, 201877 m11.5°C70 m
Jul 27, 201872 m12.1°C61 m
Aug 4, 201877 m12.0°C48 m
Aug 23, 2018134 m13.9°C30 m
Aug 26, 201849 m12.4°C36 m
Aug 28, 201857 m12.2°C24 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
May 27, 2018 — seafloor 69 m (measured), deepest dive 50 m (modelled)May 27Jun 4, 2018 — seafloor 56 m (measured), deepest dive 49 m (modelled)Jun 4Jun 13, 2018 — seafloor 117 m (measured), deepest dive 61 m (modelled)Jun 13Jul 8, 2018 — seafloor 61 m (measured), deepest dive 48 m (modelled)Jul 8Jul 10, 2018 — seafloor 104 m (measured), deepest dive 45 m (modelled)Jul 10Jul 26, 2018 — seafloor 77 m (measured), deepest dive 70 m (modelled)Jul 26Jul 27, 2018 — seafloor 72 m (measured), deepest dive 61 m (modelled)Jul 27Aug 4, 2018 — seafloor 77 m (measured), deepest dive 48 m (modelled)Aug 4Aug 23, 2018 — seafloor 134 m (measured), deepest dive 30 m (modelled)Aug 23Aug 26, 2018 — seafloor 49 m (measured), deepest dive 36 m (modelled)Aug 26Aug 28, 2018 — seafloor 57 m (measured), deepest dive 24 m (modelled)Aug 28

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

Dives

70 m
Deepest dive
3:02
Longest dive
124
Dives
22 m
Avg dive depth
11
Sightings
93
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010070 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (77 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 · Jul 26, 2018

measured
Seafloor depth
77 m
Sea-surface temperature
11.5°C
Distance from shore
2.0 km

Across the residency · 11 sightings

measured
Seafloor depth
49 m – 134 m
Sea-surface temperature
7.9°C – 13.9°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 11 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.