Foreign Helicorders

Here are foreign tremor plots. Thease helicorders are updated automatic and can stop working at any time. These helicorders are raw and straight from the seismometers and there are errors in them. Most of thease helicorders are over 24 hour period. The seismometers are located around the world.

Explanation of the helicorders.

 Green line = no data recorded / coming in
Black line = normal data recored
Red line = local earthquake recoreded. Noise sometimes creates red spikes.
Orange line = Telesismic event has been detected.

Redwood City, California USA




North-South channel. It is updated every 5 min.



North-South channel. It is updated every 5 min.

 Friendswood, USA


 This is a vertical channel. It is updated every 5 min.

Van Nuys, California USA



North-South channel. It is updated every 5 min.



North-South channel. It is updated every 5 min.

Spring, Texas USA


This is a north-south channel. It is updated every 10 min.


This is a vertical channel. It is updated every 10 min.

Monroe, Louisiana USA



This is a east-west channel. It is updated regulary.

Fairbanks, Alaska USA



This is a vertical channel. It is updated every 5 min.



  Vertical channel. It is updated every 5 min.

Havertown, PA USA



East-west channel. Updated regulary.



  East-West channel. Updated regulary.

Coonabarabran, NSW, Australia



  North-South channel. Updated regulary.



East-west channel. Updated regulary.

Morphett Vale S.A Australia



Vertical channel. Updated regluary.

East Lothian, Scotland



Updated regluary.



Updated regluary.

San Jose, California



North-South channel. Updated every 10 min.