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Monterey Bay

Keiko the Humpback – Residency

28th sighting in Monterey Bay
Fluke of Keiko the Humpback
Keiko the Humpback Confirmed in the catalog @1141
Oct 2 – Nov 7, 2023 · Monterey Bay

October in the Bay

The familiar waters held me close for weeks this autumn.

259 m
Deepest dive
8:38
Longest dive
127
Dives
Sightings
13
Days between first and last sighting
36

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Oct 2, 2023269 m15.9°C178 m
Oct 2, 2023166 m15.9°C150 m
Oct 15, 2023666 m15.9°C74 m
Oct 15, 2023390 m15.9°C42 m
Oct 16, 202322 m16.3°C15 m
Oct 18, 2023215 m15.8°C83 m
Oct 21, 2023196 m16.1°C104 m
Oct 21, 2023702 m16.0°C259 m
Oct 25, 2023145 m15.6°C60 m
Oct 27, 2023306 m14.6°C28 m
Nov 4, 2023145 m14.6°C52 m
Nov 4, 202383 m14.6°C63 m
Nov 7, 2023271 m14.2°C47 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 2, 2023 — seafloor 269 m (measured), deepest dive 178 m (modelled)Oct 2Oct 2, 2023 — seafloor 166 m (measured), deepest dive 150 m (modelled)Oct 15, 2023 — seafloor 666 m (measured), deepest dive 74 m (modelled)Oct 15, 2023 — seafloor 390 m (measured), deepest dive 42 m (modelled)Oct 15Oct 16, 2023 — seafloor 22 m (measured), deepest dive 15 m (modelled)Oct 18, 2023 — seafloor 215 m (measured), deepest dive 83 m (modelled)Oct 21, 2023 — seafloor 196 m (measured), deepest dive 104 m (modelled)Oct 21Oct 21, 2023 — seafloor 702 m (measured), deepest dive 259 m (modelled)Oct 25, 2023 — seafloor 145 m (measured), deepest dive 60 m (modelled)Oct 27, 2023 — seafloor 306 m (measured), deepest dive 28 m (modelled)Oct 27Nov 4, 2023 — seafloor 145 m (measured), deepest dive 52 m (modelled)Nov 4, 2023 — seafloor 83 m (measured), deepest dive 63 m (modelled)Nov 7, 2023 — seafloor 271 m (measured), deepest dive 47 m (modelled)Nov 7

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

Dives

259 m
Deepest dive
8:38
Longest dive
127
Dives
31 m
Avg dive depth
13
Sightings
36
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
0150300259 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (702 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 21, 2023

measured
Seafloor depth
702 m
Sea-surface temperature
16.0°C
Distance from shore
13.0 km

Across the residency · 13 sightings

measured
Seafloor depth
22 m – 702 m
Sea-surface temperature
14.2°C – 16.3°C
Distance from shore
3.0 km – 23.0 km

Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance

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

Source records

This activity is assembled from 13 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.