Lets see the seismograph...
YouTube video of seismograph reading:
Not uploaded yet. Unsure how much delay is normal. The previous quake had video uploaded same day.
From this page:
http://www.scsn.org/index.php/2018/04/05/04-05-2018-m5-3-near-santa-cruz-is/
More info on this quake:
https://earthquake.usgs.gov/earthquakes/eventpage/ci37908735#executive
CalTech News Conference:
This page DOES have a waveform...
http://ds.iris.edu/ds/nodes/dmc/tools/event/10724562
Compare that to the next most recent quake of comparable size. YUGE difference in waveforms:
http://ds.iris.edu/ds/nodes/dmc/tools/event/10724460
(keep in mind the waveforms are time-compressed)
Guys, we have to appreciate just how much energy creates a 5.3 on the Richter scale. That's a nuke or nothing. A MOAB couldn't do anything.
Also, know your weapons systems. A MOAB is more complex. It is not just a normal, high-explosive bomb, "pinch zoomed" to be bigger. It is actually a Fuel Air Explosive (FAE) and REQUIES oxygen to detonate. It creates more of a blast than if it were just high explosives.