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  2. Earthquake Early Warning (Japan) - Wikipedia

    en.wikipedia.org/wiki/Earthquake_Early_Warning...

    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.

  3. J-Alert - Wikipedia

    en.wikipedia.org/wiki/J-Alert

    Alert messages sent on 29 August 2017 North Korean missile launch over Japan. Earthquake. Earthquake Early Warning; Quick updates on hypocenter, magnitude, and precautions of possible tsunami; Information of hypocenter, magnitude, intensities of various areas, and the presence of tsunami; Earthquake prediction warning for the Tōkai earthquakes

  4. Earthquake early warning system - Wikipedia

    en.wikipedia.org/wiki/Earthquake_early_warning...

    Japan's Earthquake Early Warning system was put to practical use in 2006. The system that warns the general public was installed on October 1, 2007. [25] [26] It was modeled partly on the Urgent Earthquake Detection and Alarm System (UrEDAS ) of Japan Railways, which was designed to enable automatic braking of bullet trains. [27]

  5. Japan’s 7.1-magnitude earthquake sparks fresh concerns over ...

    www.aol.com/japan-hit-7-1-magnitude-084440997.html

    Earlier Japan’s earthquake monitors said the magnitude was 6.9, before this was revised up to 7.1. ... Map shows areas under tsunami advisory along with epicentre of the quake marked with an X ...

  6. Massive earthquake hits Japan, triggering tsunami warnings - AOL

    www.aol.com/7-5-magnitude-earthquake-hits...

    A 7.5 magnitude earthquake struck Japan on Monday afternoon, triggering a tsunami alert and prompting an official warning to residents to evacuate affected coastal areas as soon as possible.

  7. Japan earthquake – latest: Aftershocks continue in quake zone ...

    www.aol.com/japan-earthquake-latest-aftershocks...

    Japan earthquake: Passengers run for cover as train station shakes and water pours through ceiling. 09:15, Maroosha Muzaffar. Seismology experts caught off guard over intensity of 1 January earthquake

  8. 2024 Noto earthquake - Wikipedia

    en.wikipedia.org/wiki/2024_Noto_earthquake

    The Japan Meteorological Agency (JMA) officially named this earthquake the 2024 Noto Peninsula earthquake (Japanese: 令和6年能登半島地震, Hepburn: Reiwa 6-nen Noto-hantō Jishin). [6] It led to Japan's first major tsunami warning since the 2011 Tōhoku earthquake , [ 7 ] and a tsunami of 7.45 m (24 ft) was measured along the Sea of ...

  9. Japan lowers tsunami warning after a series of earthquakes ...

    www.aol.com/news/japan-issues-tsunami-alert...

    Japan is an extremely quake-prone nation, but a tsunami warning of the magnitude of Monday's had not been issued since a major quake and tsunami caused meltdowns at a nuclear plant in March 2011.