Assertion: hot spot | /r/HasProperty | imaged
Facets:
value: since
type: TEMPORAL
value: tomographically
type: MANNER
Source sentences:
text: The hotspot has since been tomographically imaged, showing it to be 500 to 600 km (310 to 370 mi) wide and up to 2,000 km (1,200 mi) deep, and olivine and garnet-based studies have shown its magma chamber is approximately 1,500 °C (2,730 °F).