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The Japan Meteorological Agency (JMA) Seismic Intensity Scale [1] (known in Japan as the Shindo seismic scale) [2] is a seismic intensity scale used in Japan to categorize the intensity of local ground shaking caused by earthquakes. Map of Japan showing the distribution of maximum JMA Seismic Intensities by prefecture for the 2011 Tōhoku ...
The JMA announced the Earthquake Early Warning hit (accuracy) rate for the 2011 fiscal year on 31 May 2012. The hit rate is the percentage of warnings issued immediately on the detection of P-waves with a Japan Meteorological Agency seismic intensity scale (震度, shindo) number (0 to 7) within one shindo number of the measured earthquake.
The velocity of detonation is an important indicator for overall energy and power of detonation, and in particular for the brisance or shattering effect of an explosive which is due to the detonation pressure. The pressure can be calculated using Chapman-Jouguet theory from the velocity and density.
[There were no deaths due to deterministic effects (i.e., people receiving a high dose of radiation, rapidly becoming ill, and dying); the 100–240 figure is an estimate of the number of people who died later in life due to cancer caused by radiation from the accident [29]]. 95–4,000+ [30] [31] 26 April 1986 Chernobyl disaster.
The Modified Mercalli intensity scale (MM, MMI, or MCS) measures the effects of an earthquake at a given location. This is in contrast with the seismic magnitude usually reported for an earthquake. Magnitude scales measure the inherent force or strength of an earthquake – an event occurring at greater or lesser depth.
Shindo or Shindō may refer to: Japan Meteorological Agency seismic intensity scale ( 震度 , shindo ) Shindo (religion) (신도), an alternative name of Korean Shamanism used by Shamanic associations in modern South Korea.
Two designs of the Lazy Dog bomb. (Top: early forged steel design; Bottom: later lathe-turned steel design) The Lazy Dog (sometimes called a Red Dot Bomb or Yellow Dog Bomb [1]) is a type of small, unguided kinetic projectile used by the U.S. Air Force.
An air gun seismic source (30 litre) A seismic source is a device that generates controlled seismic energy used to perform both reflection and refraction seismic surveys. A seismic source can be simple, such as dynamite, or it can use more sophisticated technology, such as a specialized air gun.