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  2. Japan Meteorological Agency seismic intensity scale

    en.wikipedia.org/wiki/Japan_Meteorological...

    Intensity 7 (震度7, Shindo-nana) is the highest level on the JMA seismic intensity scale, applied to earthquakes with an instrumental intensity (計測震度) of 6.5 or higher. [6] At Intensity 7, movement becomes nearly impossible without external support. [11] The intensity was created following the 1948 Fukui earthquake.

  3. Table of explosive detonation velocities - Wikipedia

    en.wikipedia.org/wiki/Table_of_explosive...

    It is a key, directly measurable indicator of explosive performance, but depends on density which must always be specified, and may be too low if the test charge diameter is not large enough. Especially for little studied explosives there may be divergent published values due to charge diameter issues.

  4. Seismic magnitude scales - Wikipedia

    en.wikipedia.org/wiki/Seismic_magnitude_scales

    (These should not be confused with moment magnitudes JMA calculates, which are labeled M w (JMA) or M (JMA), nor with the Shindo intensity scale.) JMA magnitudes are based (as typical with local scales) on the maximum amplitude of the ground motion ; they agree "rather well" [ 22 ] with the seismic moment magnitude M w in the range of 4.5 to 7. ...

  5. Modified Mercalli intensity scale - Wikipedia

    en.wikipedia.org/wiki/Modified_Mercalli...

    Also, construction codes and methods have evolved, making much of built environment stronger; these make a given intensity of ground shaking seem weaker. [15] Also, some of the original criteria of the most intense degrees (X and above), such as bent rails, ground fissures, landslides, etc., are "related less to the level of ground shaking than ...

  6. Disgaea - Wikipedia

    en.wikipedia.org/wiki/Disgaea

    The first Android-based game, Disgaea: Netherworld Unbound, was released in 2011 as a free-to-play game with optional paid-content available. The PlayStation Portable title, Disgaea Infinite , is a visual novel in the same setting as Disgaea: Hour of Darkness , and the story-line of a Prinny being ordered to investigate the attempted ...

  7. GHS hazard statements - Wikipedia

    en.wikipedia.org/wiki/GHS_hazard_statements

    Code Phrase H200: Unstable explosive H201: Explosive: mass explosion hazard H202: Explosive: severe projection hazard H203: Explosive: fire, blast or projection hazard H204: Fire or projection hazard H205: May mass explode in fire H206: Fire, blast or projection hazard: increased risk of explosion if desensitizing agent is reduced H207

  8. Shindo - Wikipedia

    en.wikipedia.org/wiki/Shindo

    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.

  9. Electrical equipment in hazardous areas - Wikipedia

    en.wikipedia.org/wiki/Electrical_equipment_in...

    Sand, powder, or quartz Filled q Equipment components are completely covered with a layer of sand, powder or quartz IEC/EN 60079-5 Zone 2 or Zone 1 Electronics, telephones, chokes Encapsulated m Equipment components of the equipment are usually encased in a resin type material IEC/EN 60079-18 Zone 1 (Ex mb) or Zone 0 (Ex ma) Electronics (no heat)