“An Illustrated Guide to Reading a Seismogram” – USGS video tutorial

August 3, 2015 by
“An Illustrated Guide to Reading a Seismogram”
This USGS video provides a tutorial for anyone interested in interpreting the seismic records on public “webicorder” displays.
The earthquake near the top is in the South Pacific:
Magnitude 7.0 – Solomon Islands
alanseismo

Magnitude 6.9 – 73km (45mi) SW of Nikolski, Alaska – July 27, 2015

August 3, 2015 by

Slide12015-07-27 04:49:46 (UTC)
73km (45mi) SW of Nikolski, Alaska
Magnitude 6.9

Magnitude 7.0 – 78km WNW of Lata, Solomon Islands – July 18, 2015

July 20, 2015 by

Slide1USGS Tectonic Summary
2015-07-18 02:27:33 (UTC)
Magnitude 7.0
78km (48mi) WNW of Lata, Solomon Islands
-10.444°S   165.172°E
depth=10.0 km (6.2 mi)


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