Nevada Seismological Laboratory

@nvseismolab.bsky.social

Official account of the Nevada Seismological Laboratory, a nationally affiliated regional geohazard monitoring facility for the Great Basin and Sierra Nevada.

This week we deployed a mobile fire camera, with it's own solar power and satellite internet system, for a second view point of the Cottonwood Peak Fire. We call this a COW for "Communication on Wheels." The COW came to our lab on Wednesday, but it's on stand-by ready to be deployed again if needed.

Covered trailer with ladder next to it parked on a ridge with wildfire smoke in the background. A fire camera attached to the trailer can be see in the top left corner of the photo.

This massive earthquake, now reported at 8.8 has prompted a tsunami warning in Hawaii and western Alaska and tsunami watch or advisory along the west cost of the US and most of the Alaska coast. “Warning” means move inland! “Watch” means stay out of water and away from beaches.

EarthScope Consortium@earthscope.org · last yr.

The magnitude 8.8 earthquake off Russia’s Kamchatka Peninsula is tied for the 6th largest ever recorded by modern instruments. Check out how the ground moved near you using our Station Monitor app ⬇️ https://loom.ly/LvUPs2g

Seismogram and map from Station Monitor showing vertical ground motion from the July 29, 2025 magnitude 8.8 earthquake off Kamchatka. The seismogram was recorded at station R32K in Eaglecrest, Alaska, and marks the arrival of P waves, S waves, and surface waves. A yellow highlight shows the surface wave portion of the signal. The map below shows the path between the event epicenter off Kamchatka (marked “E”) and the station in Alaska (marked “S”), spanning 4003 km.