Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
Monterey Bay

Afterglow – Residency

11th sighting in Monterey Bay
Fluke of Afterglow
Afterglow Confirmed in the catalog @95024
Aug 8 – Oct 5, 2024 · Monterey Bay

Monterey Bay · Aug – Oct 2024

116 m
Deepest dive
4:32
Longest dive
137
Dives
Sightings
9
Days between first and last sighting
58

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Aug 8, 202470 m—45 m
Sep 14, 2024147 m—116 m
Oct 1, 2024134 m—67 m
Oct 2, 2024111 m—88 m
Oct 4, 2024138 m—55 m
Oct 4, 202458 m—34 m
Oct 4, 2024123 m—109 m
Oct 5, 202486 m—78 m
Oct 5, 2024331 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
Aug 8, 2024 — seafloor 70 m (measured), deepest dive 45 m (modelled)Aug 8Sep 14, 2024 — seafloor 147 m (measured), deepest dive 116 m (modelled)Sep 14Oct 1, 2024 — seafloor 134 m (measured), deepest dive 67 m (modelled)Oct 1Oct 2, 2024 — seafloor 111 m (measured), deepest dive 88 m (modelled)Oct 2Oct 4, 2024 — seafloor 138 m (measured), deepest dive 55 m (modelled)Oct 4Oct 4, 2024 — seafloor 58 m (measured), deepest dive 34 m (modelled)Oct 4Oct 4, 2024 — seafloor 123 m (measured), deepest dive 109 m (modelled)Oct 4Oct 5, 2024 — seafloor 86 m (measured), deepest dive 78 m (modelled)Oct 5Oct 5, 2024 — seafloor 331 m (measured), deepest dive 25 m (modelled)Oct 5

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

Dives

116 m
Deepest dive
4:32
Longest dive
137
Dives
25 m
Avg dive depth
9
Sightings
58
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
075150116 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (147 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 14, 2024

measured
Seafloor depth
147 m
Sea-surface temperature
—
Distance from shore
12.0 km

Across the residency · 9 sightings

measured
Seafloor depth
58 m – 331 m
Sea-surface temperature
—
Distance from shore
2.0 km – 12.0 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.