Science Center Objects

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

Email your earth science question to:

ask-a-geologist@usgs.gov

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

USGS scientists have answered over 60,000 Ask-A-Geologist questions since 1994.

  • 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.
  • We can’t identify most rocks from photos. Please don’t send rock photos.
  • Each question goes to a different USGS scientist.
  • Teachers: We can answer about 6 questions per day total.
  • Consider spreading out class assignments over several days.
  • You should get an answer in a few days.
  • Some questions don't get replies, because of limited resources and spam.
  • You won’t get our reply if you block email from unknown senders. 
    We reply from many different addresses, and we don’t fill out “approved sender” forms for security reasons.
  • We answer about 70% of real questions.

About Ask-A-Geologist 

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Other sources of information:

Ask USGS
USGS Educational Resources
USGS Frequently Asked Questions
USGS Library Frequently Asked Questions
Ask An Expert (not maintained by USGS)