Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
Gulf of Maine

Quarternote – Residency

7th sighting in Gulf of Maine
Fluke of Quarternote
Quarternote Confirmed in the catalog @19685
Jul 31 – Sep 10, 2022 · Gulf of Maine

Gulf of Maine · Jul – Sep 2022

89 m
Deepest dive
3:54
Longest dive
82
Dives
Sightings
7
Days between first and last sighting
41

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jul 31, 202284 m—59 m
Aug 3, 202278 m—48 m
Aug 6, 2022107 m—56 m
Aug 10, 202291 m—51 m
Sep 3, 202293 m—36 m
Sep 9, 2022127 m—46 m
Sep 10, 2022116 m—89 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 31, 2022 — seafloor 84 m (measured), deepest dive 59 m (modelled)Jul 31Aug 3, 2022 — seafloor 78 m (measured), deepest dive 48 m (modelled)Aug 3Aug 6, 2022 — seafloor 107 m (measured), deepest dive 56 m (modelled)Aug 6Aug 10, 2022 — seafloor 91 m (measured), deepest dive 51 m (modelled)Aug 10Sep 3, 2022 — seafloor 93 m (measured), deepest dive 36 m (modelled)Sep 3Sep 9, 2022 — seafloor 127 m (measured), deepest dive 46 m (modelled)Sep 9Sep 10, 2022 — seafloor 116 m (measured), deepest dive 89 m (modelled)Sep 10

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

Dives

89 m
Deepest dive
3:54
Longest dive
82
Dives
22 m
Avg dive depth
7
Sightings
41
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010089 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (116 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 10, 2022

measured
Seafloor depth
116 m
Sea-surface temperature
—
Distance from shore
23.0 km

Across the residency · 7 sightings

measured
Seafloor depth
78 m – 127 m
Sea-surface temperature
—
Distance from shore
15.0 km – 23.0 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 7 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.