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

Eruption – Residency

20th sighting in Gulf of Maine
Fluke of Eruption
Eruption Confirmed in the catalog @11433
May 20 – Sep 3, 2023 · Gulf of Maine

Gulf of Maine · May – Sep 2023

36 m
Deepest dive
1:53
Longest dive
123
Dives
Sightings
9
Days between first and last sighting
106

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
May 20, 202327 m—24 m
Jun 11, 202328 m—23 m
Jun 26, 202360 m—36 m
Jul 3, 202373 m—26 m
Jul 11, 202312 m—9 m
Aug 19, 202330 m—24 m
Aug 26, 202328 m—25 m
Sep 3, 202328 m—23 m
Sep 3, 202328 m—25 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
May 20, 2023 — seafloor 27 m (measured), deepest dive 24 m (modelled)May 20Jun 11, 2023 — seafloor 28 m (measured), deepest dive 23 m (modelled)Jun 11Jun 26, 2023 — seafloor 60 m (measured), deepest dive 36 m (modelled)Jun 26Jul 3, 2023 — seafloor 73 m (measured), deepest dive 26 m (modelled)Jul 3Jul 11, 2023 — seafloor 12 m (measured), deepest dive 9 m (modelled)Jul 11Aug 19, 2023 — seafloor 30 m (measured), deepest dive 24 m (modelled)Aug 19Aug 26, 2023 — seafloor 28 m (measured), deepest dive 25 m (modelled)Aug 26Sep 3, 2023 — seafloor 28 m (measured), deepest dive 23 m (modelled)Sep 3Sep 3, 2023 — seafloor 28 m (measured), deepest dive 25 m (modelled)Sep 3

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

Dives

36 m
Deepest dive
1:53
Longest dive
123
Dives
14 m
Avg dive depth
9
Sightings
106
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
0255036 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (60 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 · Jun 26, 2023

measured
Seafloor depth
60 m
Sea-surface temperature
—
Distance from shore
13.0 km

Across the residency · 9 sightings

measured
Seafloor depth
12 m – 73 m
Sea-surface temperature
—
Distance from shore
3.0 km – 34.0 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 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.