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

Ocean Maggie – Residency

1st sighting in Gulf of the Farallones
Fluke of Ocean Maggie
Ocean Maggie Confirmed in the catalog @2504
Oct 16 – 23, 2021 · Gulf of the Farallones

Gulf of the Farallones · Oct 2021

46 m
Deepest dive
2:25
Longest dive
17
Dives
Sightings
2
Days between first and last sighting
7

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Oct 16, 202158 m—46 m
Oct 23, 2021509 m—23 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
Oct 16, 2021 — seafloor 58 m (measured), deepest dive 46 m (modelled)Oct 16Oct 23, 2021 — seafloor 509 m (measured), deepest dive 23 m (modelled)Oct 23

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

Dives

46 m
Deepest dive
2:25
Longest dive
17
Dives
16 m
Avg dive depth
2
Sightings
7
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
0255046 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (58 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 · Oct 16, 2021

measured
Seafloor depth
58 m
Sea-surface temperature
—
Distance from shore
18.0 km

Across the residency · 2 sightings

measured
Seafloor depth
58 m – 509 m
Sea-surface temperature
—
Distance from shore
11.0 km – 18.0 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 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.