OpenMag
33.0
46.8
50.0
2
2
8
12
37
Leaflet © OpenStreetMap contributors

Magnetism, Light, Water — life's foundations. OpenMag maps one of them.

Field strength
  • Low15–33 µT
  • Moderate-Low33–45 µT
  • Typical45–55 µT
  • High55–65 µT
  • Very High>65 µT