Seismograms available across the United States
- Live Internet Seismic Server (USA)
Helicorders from around the United States as thumbnails on a single page. Each thumbnail leads to s full image.
| Western United States | Eastern and Central United States |
| Hawaii | Privately owned seismographs in the US |
Western US inc Pacific NW and Yellowstone
| Cascades | Utah and Yellowstone | California and Long Valley Caldera |
The Cascades
Seismogram archives are maintained by me for Mt St Helens, Mt Rainier, Mt Hood and Glacier Peak. They go back to January 2012 or earlier.
- Pacific NW Interactive Webicorders
The new interactive seismogram site - Pacific North-West Webicorders
The original webicorder site. - Cascadia Tremor Map
An Interactive map of the Cascadia tremors activity. Goes back to August 2009 (When this was posted)
- Cascadia Tremor ETS diagnostic spectrograms
These are thumbnails of the diagnostic spectrograms best suited for seeing ETS type tremor. They have been rotated from the default such that time increases left to right. Clicking on any one of them will produce a larger image. These rotated version is only updated once ever half hour. They are organized in alphabetic order rather than from north to south.
A selection of IRIS seismograms for the Cascades region set out as today, yesterday and the day before yesteerday.
| Olympics – Snow Dome | |||
| OSD | Today | Yesterday | Day before yesterday |
| Mt. Baker | |||
| SHUK | Today | Yesterday | Day before yesterday |
| MBW | Today | Yesterday | Day before yesterday |
| Glacier Peak | |||
| GPW | Today | Yesterday | Day before yesterday |
| Mount St. Helens | |||
| SHW | Today | Yesterday | Day before yesterday |
| HSR | Today | Yesterday | Day before yesterday |
| Mount Rainier | |||
| STAR | Today | Yesterday | Day before yesterday |
| RCM | Today | Yesterday | Day before yesterday |
| RCS | Today | Yesterday | Day before yesterday |
| Mount Hood | |||
| TDH | Today | Yesterday | Day before yesterday |
| VFP | Today | Yesterday | Day before yesterday |
- UUSS Webicorder (Seismogram) Displays
The seismograms displayed are from a selected group of seismograph stations routinely recorded by the University of Utah Regional Seismograph Network. - IsThisThingOn – Yellowstone Thumbs
Positively the most comprehensive archive of seismograms for Yellowstone National Park that you will find outside (and maybe even inside) the University of Utah and USGS. BIG thumbs up for this! - The main page for IsThisThingOn – Yellowstone.
Because this site is just so much more than a bunch of seismograms!- Dynamic maps of quake locations (1970-present)
- Dynamic maps of seismometer locations and such
- Recorder separation distances
- Archived seismometer traces (Back to 9/3/2003; 51,557 images total)
- Most-active seismometer traces
- The Hot Spot Watch
- Latest official Yellowstone area quake list
- Or, see a station’s details:
California and Long Valley Caldera
- Real-time Seismograms – Northern California
This is a map of stations. Click on a red station to see a mini-plot. Click again for the full one, or click on one of the links below the map. - Los Angeles
Watch a live news stream of the quake cam in the KABC-TV newsroom, covering Los Angeles and Southern California.
Eastern and Central United States
- Virginia Tech Seismological Observatory
Helicorder plots from VA, OH, PA and SC - The Kentucky Geological Survey, University of Kentucky
New Madrid Seismic Zone
- Helicorder Images for Mid-America
Recent Helicorder Displays From The University of Memphis Center for Earthquake Research and Information. Use this for Arkansas.
Louisana Sink Hole (Temporary) and Arkansas (Temporary)
- LA Sink Hole siesmo links for today and archived seismograms to 09 Nov 2012
- CERI helicorders and archive (to Today -4)
- Friendswood, USA
Friendswood, Texas. (Z channel) Image not page. [Private]
Looks as if there may be a problem with this page currently - Spring, USA
Spring, Texas. (JLZ channel) Image not page. [Private] - Fairbanks, USA
Fairbanks, Alaska. (SPZ channel) Image not page. [Private] - Fairbanks, USA
Fairbanks, Alaska. (BBZ channel) Image not page. [Private]
(Hawaii is included under the US of A for convenience and this should not be taken as a comment on Hawaii’s claim of Sovereignty.)
Privately Owned Seismographs in the US
| Western United States | Eastern and Central United States |
| Hawaii | Privately owned seismographs in the US |
