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

West – Residency

6th sighting in Monterey Bay
Fluke of West
West Confirmed in the catalog @849
Oct 8 – 10, 2021 · Monterey Bay

Monterey Bay · Oct 2021

53 m
Deepest dive
2:15
Longest dive
39
Dives
Sightings
4
Days between first and last sighting
3

Dive stats modelled within real depth limits — not measured

Get actual dive data with Risa Deep →
SightingSeafloorSea tempDeepest dive (modelled)
Oct 8, 202114 m—13 m
Oct 8, 202159 m—24 m
Oct 9, 202162 m—41 m
Oct 10, 2021567 m—53 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 8, 2021 — seafloor 14 m (measured), deepest dive 13 m (modelled)Oct 8Oct 8, 2021 — seafloor 59 m (measured), deepest dive 24 m (modelled)Oct 8Oct 9, 2021 — seafloor 62 m (measured), deepest dive 41 m (modelled)Oct 9Oct 10, 2021 — seafloor 567 m (measured), deepest dive 53 m (modelled)Oct 10

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

Dives

53 m
Deepest dive
2:15
Longest dive
39
Dives
17 m
Avg dive depth
4
Sightings
3
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010053 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (567 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.

Unlock with Risa Deep

Place

Where this happened · Oct 10, 2021

measured
Seafloor depth
567 m
Sea-surface temperature
—
Distance from shore
16.0 km

Across the residency · 4 sightings

measured
Seafloor depth
14 m – 567 m
Sea-surface temperature
—
Distance from shore
1.0 km – 16.0 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).

Happywhale runs on donations: support Happywhale →

Breach is an independent project. It is not affiliated with, nor endorsed by, Happywhale or GBIF.