Скачать или смотреть M 8.1 - Kermadec Islands, New Zealand 3/4/21 - RaspberryShake 4D Seismograph RD29A - Chino Hills, Ca

Recording of the live earthquake stream from a RaspberryShake 4D seismograph in Chino Hills, Ca (Long video to include the surface waves)
Skip to start- 0:28 Make sure to view the arrival of the surface waves - 27:09 also 33:00
M 8.1 - Kermadec Islands, New Zealand 3/4/21 - 5,858mi / 9,428km from Chino Hills

https://earthquake.usgs.gov/earthquak...

** Overview of this live earthquake stream (What is this?):    • RasberryShake 4D (RD29A) Chino Hills, Ca L...   **

Live Stream permanent link:    / @chseismostream  

Log of earthquakes that have been detected: https://bit.ly/2DWS5Ba
Logged earthquakes displayed on a map: https://bit.ly/3laZNJh
View the daily Southern California earthquake totals: http://bit.ly/2MdNfRQ
Map of the locations of the Ring of Fire Spectrograms used on the lower left: https://bit.ly/3mec5kp
Map of the locations of the SoCal Spectrograms used on the lower left: https://bit.ly/3nPUCiV

The RaspberryShake is located in a homemade seismic vault in a backyard approx 2 ft below ground. Here is an article on the latest version of the vault: http://bit.ly/2n8vk4I

Article on how my RaspberyShake data is used: http://bit.ly/2OeSK2w

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==Display Info==
An alert tone will sound if a possible earthquake has been detected. The tone will change pitch and sound longer the stronger the motion that is detected.

The lower graph (black line) will show smaller motion. Either smaller local quakes or larger more distant earthquakes. The graph is set to a fixed scale. The larger the motion detected, the more the graph will be filled.

The graph above the lower graph (blue line) is a variable scale graph. The graph's scale will shrink and grow as the signal level changes.

The color graph is a Spectrogram. This is a different way to view the same seismic data. See the info links for information on how to interpret this graph.

All three of these graphs show the last 2 minutes of data

The upper left displays the RaspberryShake station network in Southern California. https://raspberryshake.net/stationview/

The upper right graph displays seismic activity for the last 8 hours.

The Ring of Fire spectrograms display various seismic stations around the Ring of Fire.
The SoCal spectrograms display USGS seismic stations around Southern California.

The gauge shows the current 'count' value of the 4d's geophone. Count definition: “Counts” is the raw number read off the physical instrument, ie. the voltage read from a sensor.
Below the gauge are three lights that will show red if any of the 4D's accelerometer sensors detect feelable ground motion here. One for Vertical motion, one for North/South motion, and one for East/West motion. I estimate it will take about 80,000 to 100,000 counts to begin to motion felt here.

==Contact Info==
Twitter:   / stevebcaron   @SteveBCaron
Email: stevecaron1@gmail.com for questions or feedback.

==Software Used=
The black line fixed scale graph is created using WinSDR (http://psn.quake.net/shake/winsdrshak...) Data is filtered at .1 - 7.0 Hz to reduce local cultural noise.
All spectrograms and blue line are displayed using the USGS's Swarm application: https://volcanoes.usgs.gov/software/s...

==Info Links==
RaspberryShake: https://raspberryshake.org/
How to read a seismogram: https://www.iris.edu/hq/inclass/uploa...
What is a spectrogram: https://pnsn.org/spectrograms/what-is...
Pacific Northwest Seismic network. (Earthquake and volcanic activity in the Pacific Northwest): http://pnsn.org

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