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

Eruption – Residency

24th sighting in Gulf of Maine
Fluke of Eruption
Eruption Confirmed in the catalog @11433
May 17 – Jul 20, 2025 · Gulf of Maine

Gulf of Maine · May – Jul 2025

40 m
Deepest dive
2:00
Longest dive
47
Dives
Sightings
4
Days between first and last sighting
64
Deepest dive on record
40 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
May 17, 202528 m—16 m
Jun 8, 202547 m—40 m
Jul 19, 202545 m—39 m
Jul 20, 202543 m—29 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 17, 2025 — seafloor 28 m (measured), deepest dive 16 m (modelled)May 17Jun 8, 2025 — seafloor 47 m (measured), deepest dive 40 m (modelled)Jun 8Jul 19, 2025 — seafloor 45 m (measured), deepest dive 39 m (modelled)Jul 19Jul 20, 2025 — seafloor 43 m (measured), deepest dive 29 m (modelled)Jul 20

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

Dives

40 m
Deepest dive
2:00
Longest dive
47
Dives
16 m
Avg dive depth
4
Sightings
64
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
0255040 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (47 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 8, 2025

measured
Seafloor depth
47 m
Sea-surface temperature
—
Distance from shore
9.0 km

Across the residency · 4 sightings

measured
Seafloor depth
28 m – 47 m
Sea-surface temperature
—
Distance from shore
4.0 km – 25.0 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 4 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.