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

Helter-Skelter – Residency

9th sighting in Salish Sea
Fluke of Helter-Skelter
Helter-Skelter Confirmed in the catalog @22296
Aug 18 – Nov 12, 2019 · Salish Sea

Salish Sea · Aug – Nov 2019

94 m
Deepest dive
3:44
Longest dive
41
Dives
Sightings
5
Days between first and last sighting
86

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Aug 18, 2019167 m—25 m
Aug 20, 2019169 m—66 m
Aug 21, 2019149 m—53 m
Aug 22, 2019107 m—94 m
Nov 12, 2019110 m—83 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, 2019 — seafloor 167 m (measured), deepest dive 25 m (modelled)Aug 18Aug 20, 2019 — seafloor 169 m (measured), deepest dive 66 m (modelled)Aug 20Aug 21, 2019 — seafloor 149 m (measured), deepest dive 53 m (modelled)Aug 21Aug 22, 2019 — seafloor 107 m (measured), deepest dive 94 m (modelled)Aug 22Nov 12, 2019 — seafloor 110 m (measured), deepest dive 83 m (modelled)Nov 12

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

Dives

94 m
Deepest dive
3:44
Longest dive
41
Dives
27 m
Avg dive depth
5
Sightings
86
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010094 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (107 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 22, 2019

measured
Seafloor depth
107 m
Sea-surface temperature
—
Distance from shore
13.0 km

Across the residency · 5 sightings

measured
Seafloor depth
107 m – 169 m
Sea-surface temperature
—
Distance from shore
4.0 km – 13.0 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 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).

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