Sentence examples for main shock are from inspiring English sources

The maximum slip and the moment magnitude of the main shock are about 60 m and Mw 9.0, respectively.

The aftershock distribution (USGS) within 1 day after the main shock are shown by the red circles.

Coseismic displacements of the main shock are obtained comparing the 5 min coordinate solutions at 14 40 and 14 55 JST.

The obtained geometries of the fault planes of the three M6-class foreshocks and the main shock are shown in Figs. 2 and 3 and Table 1.

Nevertheless, site amplifications estimated from strong ground motion data recorded at the two sites during the main shock are large in the frequency range of 1 3 Hz.

In addition, we find that the average values in the last month after the main shock are always lower than those before the main shock.

The US geological survey said the main shock was magnitude 8.6, which is extraordinarily high for a strike-slip fault.

The magnitude of the main shock was 7.7, resulting in about 10,000 buildings irreparably damaged and 7,500 partially damaged.

Two hours after the main shock was felt, the area was hit by a magnitude-8.2 aftershock, probably caused by slippage along the same 125-mile fault.

The main shock was followed by thousands of aftershocks that were detected and located by the Instituto Nazionale di Geofisca e Vulcanologia (INGV), using a portable network of seismometers.

The focal mechanism of the main shock is shown in the map.