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

Van Bubbles – Residency

6th sighting in Chatham Strait
Fluke of Van Bubbles
Van Bubbles Confirmed in the catalog @16920
Jun 16 – Sep 17, 2019 · Chatham Strait

Chatham Strait · Jun – Sep 2019

139 m
Deepest dive
5:16
Longest dive
129
Dives
Sightings
9
Days between first and last sighting
93

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jun 16, 201970 m10.6°C61 m
Jul 24, 2019269 m13.6°C28 m
Jul 31, 2019122 m12.1°C109 m
Aug 1, 2019146 m12.9°C124 m
Aug 15, 2019203 m14.1°C98 m
Aug 27, 2019233 m11.8°C20 m
Sep 15, 2019219 m12.1°C26 m
Sep 16, 2019221 m12.3°C57 m
Sep 17, 2019196 m12.1°C139 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 16, 2019 — seafloor 70 m (measured), deepest dive 61 m (modelled)Jun 16Jul 24, 2019 — seafloor 269 m (measured), deepest dive 28 m (modelled)Jul 24Jul 31, 2019 — seafloor 122 m (measured), deepest dive 109 m (modelled)Jul 31Aug 1, 2019 — seafloor 146 m (measured), deepest dive 124 m (modelled)Aug 1Aug 15, 2019 — seafloor 203 m (measured), deepest dive 98 m (modelled)Aug 15Aug 27, 2019 — seafloor 233 m (measured), deepest dive 20 m (modelled)Aug 27Sep 15, 2019 — seafloor 219 m (measured), deepest dive 26 m (modelled)Sep 15Sep 16, 2019 — seafloor 221 m (measured), deepest dive 57 m (modelled)Sep 16Sep 17, 2019 — seafloor 196 m (measured), deepest dive 139 m (modelled)Sep 17

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

Dives

139 m
Deepest dive
5:16
Longest dive
129
Dives
27 m
Avg dive depth
9
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
075150139 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (196 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 · Sep 17, 2019

measured
Seafloor depth
196 m
Sea-surface temperature
12.1°C
Distance from shore
2.0 km

Across the residency · 9 sightings

measured
Seafloor depth
70 m – 269 m
Sea-surface temperature
10.6°C – 14.1°C
Distance from shore
1.0 km – 4.0 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 9 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.