aftershock

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aftershock

A small seismic event that follows a prior larger earthquake. When the aftershock proves to be bigger than the preceding event, then the former is re-labelled foreshock and the latter an earthquake.

Aftershock

Geomedicine A mini-earthquake that follows the largest shock of an earthquake sequence, which falls within 1–2 fault-lengths distance from the main shock; aftershocks and can continue for weeks, months, or years. See Earthquake. Cf Foreshocks.
References in periodicals archive ?
The aftershock of tectonic origin was located 12 kilometers southwest of Carrascal town in Surigao del Sur and was recorded at 12:52 p.m.
The post Eight killed in quake, aftershocks in Philippines, 60 injured appeared first on Cyprus Mail .
Daquipa said residents should brace themselves as aftershocks to hit the city and nearby towns in the coming days could be a lot stronger than the 5.9 in magnitude.
Rattled residents of Southern California are bracing for a huge aftershock after a magnitude 6.4 earthquake violently shook the area at 10:33 a.m.
Director of the CWB Seismological Center, Chen Kuo-chang, pointed out that generally after a powerful quake such as the one that occurred yesterday, it usually marks a turning point, after which aftershocks will occur, but will gradually trail off.
"It was the 82nd aftershock (of the November quake) and there were no reports of casualties or property damage," he said.
A 4.4 magnitude aftershock was followed by a 4.6 shock 16 minutes later.
Obtained results indicate that isolators can not only reduce the structural deformation significantly but also prevent strong aftershocks from causing more permanent deformation to the structure.
The acceleration of the model during the mainshock was larger than that during the aftershocks. The maximum horizontal acceleration at the top of the model in the mainshock and the first aftershock was 0.92 g and 0.67 g, respectively, that is, a 27% difference.
He said as many as 27 'aftershocks' of that earthquake somehow shook Islamabad in a month.
3,0 magnitude of aftershock in Yayladamy neighborhood of Hekimhan district at 02:33 a.m., 2,7 magnitude of aftershock in Sarykyz neighborhood at 02:34 a.m.
Aftershocks of the massive 8.1 October 26 quake have hit 100 on the count on Wednesday.