Home » Strong earthquake in Burma causes many deaths and much destruction

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Strong earthquake in Burma causes many deaths and much destruction — 8 Comments

  1. Same quake, Alan Colbo. Early estimate was upgraded. Secondary shock, a few minutes later, was 6.4

    The water sloshing over the sides of the Bangkok skyscrapers could have caused injury to those below all by itself.

  2. The Great San Francisco Earthquake in 1906 was only 7.9 magnitude on the Richter scale.

    Since these numbers are logarithmic, even a small increase in magnitude can mean significantly more power.

    Based on log(E) = 1.5 × M + 4.8 where E is energy and M is magnitude: An 8.2 earthquake releases ~2.82 times more energy than a 7.9 earthquake.

    (1.5 and 4.8 are constants derived from empirical studies.)

  3. Buried the lede again.

    The Burma quake was almost 3x stronger than the 1906 San Francisco quake.

  4. Wikipedia

    The 1964 Alaska earthquake, also known as the Great Alaska earthquake and Good Friday earthquake, occurred at 5:36 PM AKST on Good Friday, March 27, 1964.[2] Across south-central Alaska, ground fissures, collapsing structures, and tsunamis resulting from the earthquake caused about 139 deaths.[3]

    Lasting four minutes and thirty-eight seconds, the magnitude 9.2–9.3 megathrust earthquake remains the most powerful earthquake ever recorded in North America,[2][4] and the second most powerful earthquake ever recorded in the world since modern seismography began in 1900.

  5. My Thai relative reports that the earthquake was very strong in the north of Thailand, where she grew up, but that everyone is okay. Bangkok, where the buildings swayed and one under construction collapsed, is 800 miles from the epicenter, which gives us some idea of what the destruction must be in Myanmar (which my relative still calls Burma, after the language there).

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