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

Apollo11 – Residency

7th sighting in Chatham Strait
Fluke of Apollo11
Apollo11 Confirmed in the catalog @18130
Apr 29 – Jul 15, 2018 · Chatham Strait

Chatham Strait · Apr – Jul 2018

111 m
Deepest dive
3:36
Longest dive
64
Dives
Sightings
5
Days between first and last sighting
77

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Apr 29, 2018224 m5.5°C63 m
Apr 29, 2018159 m5.6°C111 m
May 3, 2018194 m6.0°C65 m
Jul 13, 201846 m11.4°C38 m
Jul 15, 201898 m11.2°C55 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
Apr 29, 2018 — seafloor 224 m (measured), deepest dive 63 m (modelled)Apr 29Apr 29, 2018 — seafloor 159 m (measured), deepest dive 111 m (modelled)Apr 29May 3, 2018 — seafloor 194 m (measured), deepest dive 65 m (modelled)May 3Jul 13, 2018 — seafloor 46 m (measured), deepest dive 38 m (modelled)Jul 13Jul 15, 2018 — seafloor 98 m (measured), deepest dive 55 m (modelled)Jul 15

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

Dives

111 m
Deepest dive
3:36
Longest dive
64
Dives
25 m
Avg dive depth
5
Sightings
77
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
075150111 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (159 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 · Apr 29, 2018

measured
Seafloor depth
159 m
Sea-surface temperature
5.6°C
Distance from shore
—

Across the residency · 5 sightings

measured
Seafloor depth
46 m – 224 m
Sea-surface temperature
5.5°C – 11.4°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 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.