Red Cross aid worker Rosemarie North is in the Banten province of Java where authorities have lifted the alert level for the Anak Krakatau volcano to its second-highest level.
She has worked on and off for the Red Cross since 2003 in all kinds of situations, including post-conflict in Sierra Leone, landslides in the Philippines and Papua New Guinea, refugee camps in Chad, earthquakes in Nepal and Christchurch, and tsunamis in Southeast Asia and Samoa.