Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
Salish Sea

Crevasse – Residency

8th sighting in Salish Sea
Fluke of Crevasse
Crevasse Confirmed in the catalog @53242
Jun 17 – Jul 11, 2023 · Salish Sea

Salish Sea · Jun – Jul 2023

73 m
Deepest dive
2:25
Longest dive
55
Dives
Sightings
4
Days between first and last sighting
24

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jun 17, 202370 m—56 m
Jul 2, 2023182 m—73 m
Jul 2, 20233 m—3 m
Jul 11, 2023136 m—67 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 17, 2023 — seafloor 70 m (measured), deepest dive 56 m (modelled)Jun 17Jul 2, 2023 — seafloor 182 m (measured), deepest dive 73 m (modelled)Jul 2Jul 2, 2023 — seafloor 3 m (measured), deepest dive 3 m (modelled)Jul 2Jul 11, 2023 — seafloor 136 m (measured), deepest dive 67 m (modelled)Jul 11

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

Dives

73 m
Deepest dive
2:25
Longest dive
55
Dives
19 m
Avg dive depth
4
Sightings
24
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010073 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (182 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 · Jul 2, 2023

measured
Seafloor depth
182 m
Sea-surface temperature
—
Distance from shore
6.0 km

Across the residency · 4 sightings

measured
Seafloor depth
3 m – 182 m
Sea-surface temperature
—
Distance from shore
6.0 km – 10.0 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 4 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.