are the webicorders from the geophones that I own. There might be noise on the webicorders as
wind and human traffic is close to them. This can
happen at random times and without warning. Most
earthquakes that I record are also documented by
Icelandic Met Office website. If an event appears on
my geophone the location and magnitude of it can be
found at Icelandic Met Office website in most cases. I
only record 1 day or 24 hours worth of data on the
webicorders. I keep the raw data for 160 days so I can
check them later if needed.
About the geophones
This is 4.5Hz geophone and is
from Mark Products. This geophone has three axis. It has a
East, West, North, South, Z (vertical) axis. Here are info about this type of
geophone. Here are technical info
about this geophone, how sensitive it is and what
frequencies it detects. Geophones are from Redwood City Public
Seismic Network. It is no longer possible to buy
this geophones and this hardware is now EOL (End of
Life). I plan to buy VolksMeter seismometer in the
future since using Raspberry Shake does not fit into
my plans. I might run few Raspberry Shake sensors
along with my new seismometer network once it goes
online. I don't know when that is going to happen.
If you want to monitor earthquakes or volcano activity
if you are close to an active volcano. The best way to
do so is to buy Raspberry Shake seismometers here. It is also possible to buy
VolksMeter seismometer, that set-up requires more
hardware and installation than Raspberry Shake
It is possible to support my work with
It is also possible to support my work
with regular donations.
For early cancellation. Please go to this website here.
To contact me please send
email at volcano [at] jonfr.com with questions.
Information website about earthquakes
and volcanoes in Iceland
Icelandic Met Office drumplots
Web sites about
earthquakes around the world
Public Seismic Network
Icelandic Meteorological Office
Explanation of the tremor plot
= no data recorded / coming in
Black line = normal data recorded
Red line = local earthquake recorded. Noise sometimes creates
Orange line = Telesismic event has been detected.
channel (Z). Updated every 5 min.
This is vertical channel (Z). Updated every 5
This is an nosy station due to
traffic from cars, trains and people. Lowest
noise period between 22:00 - 06:00 CET/CEST.