Some of the most extreme events that endanger and take lives and damage property are volcanic eruptions, earthquakes, other seismic activity, tsunami, and their associated hazardous and detrimental environmental effects. The volatile Ring of Fire around much of the Pacific Basin has been historically the origin of the majority and most severe events. These phenomena have been extremely difficult to predict in order to provide timely and meaningful warnings for the people and property affected. Some progress has been made in using satellite observations to support the monitoring and understanding of such events. Panelists from the US and partnering nations will discuss how satellite observations from advanced national and international satellite systems might be used to improve the monitoring and understanding of these phenomena in order to eventually predict and warn of oncoming events.