Sentence examples for of focal spheres from inspiring English sources

Colors of focal spheres indicate depths of hypocenters.

The CMT data are plotted using a lower-hemisphere stereographic projection of focal spheres.

Focal mechanism solutions are represented by the lower-hemisphere projection of focal spheres, and the color scale corresponds to focal depth.

Furthermore, although most hypocenter depths estimated by first-motion analysis were deeper than the depth of the oceanic Moho of the PHS (~19 km), the MT solutions indicated that the earthquakes occurred at the interface or within the oceanic crust of the PHS (see Additional file 1: Table S1 and colors of focal spheres in Additional file 1: Figure S1).

All diagrams are equal area projection on the lower hemisphere of focal sphere.

Stations are plotted in lower hemisphere of focal sphere using the equal-area projection.

Since the depth of hypocenters in the Atotsugawa fault area is typically shallower than 10 km, few stations are distributed near the center of focal sphere.

If there are few data points near the center of focal sphere, that means lack of stations near the epicenter, the focal mechanism can be interpreted as either strike-slip or dip slip.

Numbered circles show the orientations of the P-axis (red dot) and T-axis (green dot) in an equal-area projection of the lower hemispheres of the focal spheres from the global centroid-moment-tensor (CMT) catalog from 1976 to December 26 , 2004for the Sumatra subduction system and from 1976 to December 31 , 2011along the Ryukyu subduction system.

The radiation coefficient averaged over some portion of the focal sphere is assumed to be 0.55 if the partition factor of the S-wave energy is taken to be (Boore and Boatwright, 1984).

All diagrams are equal area projections on the lower hemisphere of the focal sphere.