Massachusetts Geological Survey

The Massachusetts Geological Survey (formerly the Office of the Massachusetts State Geologist) is your first stop for earth science information, subsurface data, geologic maps, and educational resources for learning about the geology, groundwater, geothermal and mineral resources of Massachusetts. If you can't find what you need on this website, just give us a call or e-mail us and we can help you find it!

News and hot links:

We have a new website! Visit http://mgs.geo.umass.edu After June 18, 2015, this website will re-direct there.

NEW Onshore-Offshore surficial geologic map of the Newburyport East 7.5' quadrangle

Resources on Shale Gas and Hydraulic Fracturing for Massachusetts Residents (updated 12/11/2012)

New surficial geologic maps of southeastern Massachusetts are now available from the USGS.

A new bedrock geologic map and report of the Grafton quadrangle is now available from the USGS.

Massachusetts Mineral and Fossil Localities, by Peter Gleba, is now available as a PDF here.
New surficial geologic maps of the Connecticut Valley Area are now available!

A new Massachusetts Geology / Geography GIS App is now available for the iPhone! Click here for more info.

Recent USGS Publications for Massachusetts

Recent news appearances, technical papers, and meeting abstracts by MGS staff and affiliates (under construction).

Searchwell - MassDEP's new database to search water-well boring records.

Questions / Comments / Problems with our website? Please let us know: jkopera[at]geo[dot]umass[dot]edu