USGS Home
Contact USGS
Search USGS

Ask-A-Geologist

Do you have a question about volcanoes, earthquakes, mountains, rocks, maps, ground water, lakes, rivers, beaches, or oceans?

You can email or text^* earth science questions to:

Your Subject line MUST include the word “Question” so we can block spam!

USGS scientists have answered over 35,543 Ask-A-Geologist questions since 1994.

• Before sending your question, please search USGS web sites,
  or check the USGS Frequently Asked Questions,
  or check the USGS Library Frequently Asked Questions.

• We won't answer test questions.

• We won't write reports.

• We can't answer questions with direct financial impacts.

• We can't recommend products or companies.

• Each question goes to a different USGS scientist.

• You should get an answer in a few days.

• Some questions don't get replies, because of limited resources and spam.

About Ask-A-Geologist

^*Message and Data rates apply.

Other sources of information: