What instrument do seismologists use to measure/detect seismic waves?

Question

this is a portfolio

Answer 1

https://www.google.com/search?q=What+instrument+do+seismologists+use&oq=What+instrument+do+seismologists+use&aqs=chrome..69i57j69i60.5839j0j7&sourceid=chrome&ie=UTF-8

Answer 2

We have updated your name to "logan" which is the name you used for some of your earlier posts.

Please stick with this name or any other first name. Do not use some of your other names which were absolutely atrocious. We will need to ban you if you continue using offensive names.

Thank you.

Answer 3

whaaa
i dont think im using atrocious names but ok

Answer 4

Thanks for using an appropriate first name. We really appreciate it.

Answer 5

This is simply out of curiosity, as I am a nosey person, but what 'atrocious' name did logan previously use? Sorry for asking haha I'm just nosey.