Drought 21 : Prolonged period without rain. Earthquake: A sudden motion of the ground, which may cause surface faulting (ground rupture) ground shaking, and ground failure
City of Seward Emergency Operations Plan, Appendix D (Acronyms, Abbreviations & Glossary), Developed by Nuka Research & Planning Group, LLC., Alaska, USA 2007. http://www.cityofseward.net/pubWork/docs/reports/0 70202%20Seward%20EOP%20(2).pdf, (ND/ Avalan/ Snowpack - Amer) {27}