Volcano an extinct volcano from a dormant (inactive) one. Dormant volcanoes are those that have not erupted for thousands of years, but are likely to erupt again in the future. Volcanoes are often considered to be extinct if there are no written records of its activity. Nevertheless, volcanoes may remain dormant for a long period of time. For example, Yellowstone has a repose/recharge period of around 700,000 years, and Toba of around 380,000 years. Vesuvius was described by Roman writers as having been covered with gardens and vineyards before its eruption of 79 CE, which destroyed the towns of Herculaneum and
Dormant therapy Dormant therapy The term “dormant therapy” refers to a new drug or a new biological product which was made the subject of a request for designation in compliance with the Dormant Therapies Act. According to the legislation, the assignment of dormant therapy is given to a drug or new biological product that has been determined to have insufficient patent protection and meets an unmet medical need, improves outcomes, or reduces risks compared to an existing treatment. Many drugs may be abandoned due to their failure to meet a clinical endpoint. Over time, manufacturers wanting to re-investigate the abandoned drug will