This site is part of Jim Martindale's Reference Desk and contains over 9,500 links to calculators online. 4 Measure A collection of sites that estimate, calculate, evaluate and translate everything from acceleration to Morse Code. Unit Conversions Converts just about every possible measurement, every possible way. Includes agriculture, biology, computers, engineering, environmental and earth sciences, mathematics, health, physics, and space sciences. Glossary of Oceanography and the Related Geosciences Glossary of terms, abbreviations, and acronyms used in oceanography and related fields.
Entries are cross-referenced and many include links to related Internet sites.
Earthquakes Earth Week Offers daily and weekly updates of earthquakes, volcanoes, and other natural and ecological disasters around the globe. Earth Week is published in newspapers worldwide and on several online services. This is a really slick site for the seismologist in you. While mostly focused on California, there is still much available about conditions throughout the U.S. and worldwide. Historical information about the great San Francisco earthquake is presented also.