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

Megatteraccia – Residency

15th sighting in Iceland
Fluke of Megatteraccia
Megatteraccia Confirmed in the catalog @105323
Jul 10 – Aug 8, 2024 · Iceland

Iceland · Jul – Aug 2024

116 m
Deepest dive
4:16
Longest dive
69
Dives
Sightings
8
Days between first and last sighting
29

Dive stats modelled within real depth limits — not measured

Get actual dive data with Risa Deep →
SightingSeafloorSea tempDeepest dive (modelled)
Jul 10, 202462 m8.7°C56 m
Jul 11, 2024151 m8.5°C101 m
Jul 30, 2024112 m9.6°C57 m
Jul 30, 202491 m9.6°C48 m
Aug 7, 2024149 m8.4°C65 m
Aug 8, 2024149 m9.2°C116 m
Aug 8, 2024164 m9.2°C58 m
Aug 8, 202453 m9.2°C43 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 10, 2024 — seafloor 62 m (measured), deepest dive 56 m (modelled)Jul 10Jul 11, 2024 — seafloor 151 m (measured), deepest dive 101 m (modelled)Jul 11Jul 30, 2024 — seafloor 112 m (measured), deepest dive 57 m (modelled)Jul 30Jul 30, 2024 — seafloor 91 m (measured), deepest dive 48 m (modelled)Jul 30Aug 7, 2024 — seafloor 149 m (measured), deepest dive 65 m (modelled)Aug 7Aug 8, 2024 — seafloor 149 m (measured), deepest dive 116 m (modelled)Aug 8Aug 8, 2024 — seafloor 164 m (measured), deepest dive 58 m (modelled)Aug 8Aug 8, 2024 — seafloor 53 m (measured), deepest dive 43 m (modelled)Aug 8

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

Dives

116 m
Deepest dive
4:16
Longest dive
69
Dives
26 m
Avg dive depth
8
Sightings
29
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 (149 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 8, 2024

measured
Seafloor depth
149 m
Sea-surface temperature
9.2°C
Distance from shore
6.0 km

Across the residency · 8 sightings

measured
Seafloor depth
53 m – 164 m
Sea-surface temperature
8.4°C – 9.6°C
Distance from shore
1.0 km – 6.0 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 8 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.