Assertion: deriba caldera | /r/HasProperty | dormant volcano
Facets:
Source sentences:
text: Hot springs whose temperature reaches 65–85 °C (149–185 °F) and which may be supplied by magmatic water and fumaroles, both within the caldera around the volcanic cone and in the surrounding Marra Mountains, indicate that Jebel Marra and the Deriba caldera are a dormant volcano.