- In seismology, the
mainshock is the
largest earthquake in a sequence,
sometimes preceded by one or more foreshocks, and
almost always followed by many...
-
epicentre is
about 8 km west of the
first mainshock.
Large numbers of
aftershocks were
recorded following the
mainshocks. They were
distributed over a 15 km...
-
approximately 10 km (6 miles) to the northwest. The latter, now
considered the
mainshock, was the most
powerful earthquake to
occur in the
state in 20
years (after...
-
seismic event – the
mainshock – and is
related to it in both time and space. The
designation of an
earthquake as foreshock,
mainshock or
aftershock is only...
-
previously damaged from the
mainshock. If an
aftershock is
larger than the
mainshock, the
aftershock is
redesignated as the
mainshock and the
original main...
-
Doublet earthquake, an
earthquake that
consists of at
least two or more
mainshocks of
nearly identical magnitude,
separated by a
period of time. Earthquake...
-
seismic doublet of May 1990
consisted of two
mainshocks occurred at a
distance of only 13 hours. The
first mainshock took
place in the
afternoon of 30 May 1990...
- a magnitude 6.1
tremor that
occurred earlier that day.
Following the
mainshock, a
tsunami alert was
issued for the
nearby Mak****ar Strait. A localised...
-
which caused additional damage in the most badly-affected
areas of the
mainshock.
Taiwan has a
history of
strong earthquakes. The
island is
located within...
-
reverse faults and were
within 3 mi (4.8 km) of the M6.9 Loma
Prieta mainshock epicenter, near the
intersection of the San
Andreas and
Sargent faults...
