Swarm

A new honey bee colony is formed when the queen bee leaves the colony with a large group of worker bees, a process called swarming. In the prime swarm, about 60% of the worker ...

earthquake swarm

Earth science; Seismology

A series of minor earthquakes, none of which may be identified as the main shock, occurring in a limited area and time.

earthquake swarm)

Earth science; Seismology

A series of minor earthquakes, none of which may be identified as the main shock, occurring in a limited area and time.

Fukushima Daiichi nuclear disaster

Natural environment; Earthquake

The Fukushima Daiichi nuclear disaster is a series of equipment failures, nuclear meltdowns, and releases of radioactive materials at the Fukushima I Nuclear Power Plant, ...

2012 Indian Ocean earthquake

Natural environment; Earthquake

On 11 April 2012 an undersea earthquake struck near the Indonesian province of Aceh measuring at a magnitude of 8.6. There were initial fears that it would cause a subsequent ...

P wave

Natural environment; Earthquake

A seismic wave that involves particle motion in the direction of propagation.

Rayleigh wave

Natural environment; Earthquake

A seismic surface wave involving elliptical motion in a vertical plane oriented in the direction of propagation of the wave.

Richter scale

Natural environment; Earthquake

A scale ranging from 1 to 10 used to show the size of an earthquake.

Ring of Fire

Natural environment; Earthquake

The area around the pacific basin where a lot of seismic activity occurs, including the western coast of north and south america and east asian islands like japan.