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

SEAK-2391 – Residency

2nd sighting in Chatham Strait
Fluke of SEAK-2391
SEAK-2391 Confirmed in the catalog @18285
Jul 8 – 16, 2009 · Chatham Strait

Chatham Strait · Jul 2009

43 m
Deepest dive
1:43
Longest dive
28
Dives
Sightings
2
Days between first and last sighting
8

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jul 8, 200988 m11.5°C43 m
Jul 16, 200961 m12.6°C40 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 8, 2009 — seafloor 88 m (measured), deepest dive 43 m (modelled)Jul 8Jul 16, 2009 — seafloor 61 m (measured), deepest dive 40 m (modelled)Jul 16

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

Dives

43 m
Deepest dive
1:43
Longest dive
28
Dives
17 m
Avg dive depth
2
Sightings
8
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
0255043 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (88 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 8, 2009

measured
Seafloor depth
88 m
Sea-surface temperature
11.5°C
Distance from shore
2.0 km

Across the residency · 2 sightings

measured
Seafloor depth
61 m – 88 m
Sea-surface temperature
11.5°C – 12.6°C
Distance from shore
2.0 km – 5.0 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 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.