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

Milky Way – Residency

18th sighting in Chatham Strait
Fluke of Milky Way
Milky Way Confirmed in the catalog @5897
Jun 27 – Aug 13, 2022 · Chatham Strait

Chatham Strait · Jun – Aug 2022

177 m
Deepest dive
6:40
Longest dive
58
Dives
Sightings
5
Days between first and last sighting
47
Deepest dive on record
177 m · this residency

Dive stats modelled within real depth limits — not measured

Get actual dive data with Risa Deep →
SightingSeafloorSea tempDeepest dive (modelled)
Jun 27, 2022352 m—177 m
Jul 19, 202238 m—28 m
Aug 1, 2022117 m—94 m
Aug 4, 202243 m—39 m
Aug 13, 202249 m—45 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 27, 2022 — seafloor 352 m (measured), deepest dive 177 m (modelled)Jun 27Jul 19, 2022 — seafloor 38 m (measured), deepest dive 28 m (modelled)Jul 19Aug 1, 2022 — seafloor 117 m (measured), deepest dive 94 m (modelled)Aug 1Aug 4, 2022 — seafloor 43 m (measured), deepest dive 39 m (modelled)Aug 4Aug 13, 2022 — seafloor 49 m (measured), deepest dive 45 m (modelled)Aug 13

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

Dives

177 m
Deepest dive
6:40
Longest dive
58
Dives
26 m
Avg dive depth
5
Sightings
47
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
0100200177 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (352 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.

Unlock with Risa Deep

Place

Where this happened · Jun 27, 2022

measured
Seafloor depth
352 m
Sea-surface temperature
—
Distance from shore
8.0 km

Across the residency · 5 sightings

measured
Seafloor depth
38 m – 352 m
Sea-surface temperature
—
Distance from shore
1.0 km – 8.0 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).

Happywhale runs on donations: support Happywhale →

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