Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
Chatham Strait

Viking Petal – Residency

7th sighting in Chatham Strait
Fluke of Viking Petal
Viking Petal Confirmed in the catalog @5573
Jul 13 – 15, 2018 · Chatham Strait

Chatham Strait · Jul 2018

38 m
Deepest dive
1:46
Longest dive
12
Dives
Sightings
2
Days between first and last sighting
2

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jul 13, 201845 m—27 m
Jul 15, 201851 m—38 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
Jul 13, 2018 — seafloor 45 m (measured), deepest dive 27 m (modelled)Jul 13Jul 15, 2018 — seafloor 51 m (measured), deepest dive 38 m (modelled)Jul 15

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

Dives

38 m
Deepest dive
1:46
Longest dive
12
Dives
13 m
Avg dive depth
2
Sightings
2
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
0255038 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (51 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 15, 2018

measured
Seafloor depth
51 m
Sea-surface temperature
—
Distance from shore
1.0 km

Across the residency · 2 sightings

measured
Seafloor depth
45 m – 51 m
Sea-surface temperature
—
Distance from shore
1.0 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).

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