Immediately followed by extremely strong mechanic pulse, that propagates at first supersonic - shockwave, sonic - sound, and subsonic - blast wave, also a litle, locally observable earthquakes.
Agad na sinundan ng napakapangit na mekaniko, na propagates sa unang Supersonic-shockwave, sonik - tunog, at subsonik - sabog alon, ding litle, registrable na lindol.