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

Quicksilver – Residency

83rd sighting in Monterey Bay
Fluke of Quicksilver
Quicksilver Confirmed in the catalog @65183
Jul 24 – Oct 2, 2024 · Monterey Bay

Monterey Bay · Jul – Oct 2024

90 m
Deepest dive
3:23
Longest dive
42
Dives
Sightings
5
Days between first and last sighting
70

Dive stats modelled within real depth limits — not measured

Get actual dive data with Risa Deep →
SightingSeafloorSea tempDeepest dive (modelled)
Jul 24, 202467 m16.7°C57 m
Aug 8, 202480 m14.6°C51 m
Aug 16, 2024107 m13.6°C90 m
Aug 18, 2024202 m14.6°C87 m
Oct 2, 202434 m16.6°C26 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
Jul 24, 2024 — seafloor 67 m (measured), deepest dive 57 m (modelled)Jul 24Aug 8, 2024 — seafloor 80 m (measured), deepest dive 51 m (modelled)Aug 8Aug 16, 2024 — seafloor 107 m (measured), deepest dive 90 m (modelled)Aug 16Aug 18, 2024 — seafloor 202 m (measured), deepest dive 87 m (modelled)Aug 18Oct 2, 2024 — seafloor 34 m (measured), deepest dive 26 m (modelled)Oct 2

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

Dives

90 m
Deepest dive
3:23
Longest dive
42
Dives
23 m
Avg dive depth
5
Sightings
70
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010090 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (107 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 · Aug 16, 2024

measured
Seafloor depth
107 m
Sea-surface temperature
13.6°C
Distance from shore
6.0 km

Across the residency · 5 sightings

measured
Seafloor depth
34 m – 202 m
Sea-surface temperature
13.6°C – 16.7°C
Distance from shore
6.0 km – 13.0 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 5 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.