Anonymous ID: ada448 May 2, 2018, 5:09 a.m. No.1270935   🗄️.is 🔗kun   >>0947

>>1270931

Don't they all look like that?

Anonymous ID: ada448 May 2, 2018, 5:25 a.m. No.1271014   🗄️.is 🔗kun   >>1053

>>1270947

>>1270931

What site do these earthquake waveform images come from?

Link please.