GC: n

S: http://scedc.caltech.edu/Module/sec1pg06.html (last access: 29 July 2015); http://www.kids-fun-science.com/earthquake-focus.html (last access: 29 July 2015).

N: 1. From Ancient Greek ὑπό (under) + κέντρον (center).
2. The point within the Earth where an earthquake rupture starts.

S: 1. https://en.wiktionary.org/wiki/hypocenter (last access: 29 July 2015). 2. TERMIUM PLUS (last access: 29 July 2015).

SYN: 1. earth quake centre, earthquake focus, seismic focus. 2. hypocentre, focus, seismic origin.

S: 1. GDT (last access: 29 July 2015). 2. IATE (last access: 29 July 2015).

CR: epicenter, Richter scale, seism.