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Legend

Earthquake Depths

<30 km
30-70 km
70-300 km
300+ km

Volcanoes

Volcano

Seafloor Age

Millions of Years

Bathymetry & Topography

Data Sources

• Bathymetry and topography from Global Multi-Resolution Topography Data Synthesis (GMRT).
• Seafloor age is adapted from data available on EarthByte.
• Plate boundaries from Peter Bird (2003), Geochemistry Geophysics Geosystems. Available on GitHub.
• Volcanoes from NCEI Volcano Location Database.
• Earthquakes from USGS Earthquakes.
  • Large earthquakes dataset includes quakes greater than magnitude 5.5 from 1/1/2001 to 1/1/2021.
  • All earthquakes dataset includes quakes greater than magnitude 0 from January, 2021 only.

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