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

Check – Residency

34th sighting in Monterey Bay
Fluke of Check
Check Confirmed in the catalog @2
Oct 4 – Nov 1, 2019 · Monterey Bay

Monterey Bay · Oct – Nov 2019

175 m
Deepest dive
5:39
Longest dive
54
Dives
Sightings
7
Days between first and last sighting
28

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Oct 4, 201983 m15.2°C30 m
Oct 6, 2019569 m14.7°C175 m
Oct 21, 201995 m14.0°C76 m
Oct 22, 2019567 m14.3°C51 m
Oct 25, 2019130 m14.5°C47 m
Oct 28, 2019182 m13.2°C35 m
Nov 1, 201989 m13.4°C74 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 4, 2019 — seafloor 83 m (measured), deepest dive 30 m (modelled)Oct 4Oct 6, 2019 — seafloor 569 m (measured), deepest dive 175 m (modelled)Oct 6Oct 21, 2019 — seafloor 95 m (measured), deepest dive 76 m (modelled)Oct 21Oct 22, 2019 — seafloor 567 m (measured), deepest dive 51 m (modelled)Oct 22Oct 25, 2019 — seafloor 130 m (measured), deepest dive 47 m (modelled)Oct 25Oct 28, 2019 — seafloor 182 m (measured), deepest dive 35 m (modelled)Oct 28Nov 1, 2019 — seafloor 89 m (measured), deepest dive 74 m (modelled)Nov 1

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

Dives

175 m
Deepest dive
5:39
Longest dive
54
Dives
28 m
Avg dive depth
7
Sightings
28
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
0100200175 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (569 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 6, 2019

measured
Seafloor depth
569 m
Sea-surface temperature
14.7°C
Distance from shore
16.0 km

Across the residency · 7 sightings

measured
Seafloor depth
83 m – 569 m
Sea-surface temperature
13.2°C – 15.2°C
Distance from shore
5.0 km – 16.0 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 7 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.