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  1. PHIVOLCS Earthquake Intensity Scale

    www.phivolcs.dost.gov.ph › index › earthquake

    Jul 16, 2021 · PHIVOLCS Earthquake Intensity Scale (PEIS) Perceptible to people under favorable circumstances. Delicately balanced objects are disturbed slightly. Still Water in containers oscillates slowly. Felt by few individuals at rest indoors. Hanging objects swing slightly. Still Water in containers oscillates noticeably. Felt by many people indoors ...

    Intensity Scale
    Shaking
    Description
    I
    Scarcely Perceptible
    Perceptible to people under favorable ...
    II
    Slightly Felt
    Felt by few individuals at rest indoors.
    III
    Weak
    Felt by many people indoors especially in ...
    IV
    Moderately Strong
    Felt generally by people indoors and by ...
  2. Modified Mercalli Scale

    www.scc-ares-races.org › MMScale

    Jul 09, 2021 · In Santa Clara County ARES/RACES, we use the Modified Mercalli Intensity Scale for efficient and standardized reporting of earthquake damage. Instead of using vague and subjective descriptions like "major", "minor" or "heavy", a Mike-Mike value is reported. This value is quick and simple to communicate over the air and equates to an objective ...

    Mike-Mike Value
    Intensity
    Shaking
    Description / Damage (USGS)
    Mike-Mike-1
    I
    Not Felt
    Not felt except by a very few under ...
    Mike-Mike-2
    II
    Weak
    Felt only by a few persons at ...
    Mike-Mike-3
    III
    Weak
    Felt quite noticeably by persons indoors, ...
    Mike-Mike-4
    IV
    Light
    Felt indoors by many, outdoors by few ...
  3. How are earthquakes detected? - British Geological Survey

    www.bgs.ac.uk › how-are-earthquakes-detected

    Jul 19, 2021 · Earthquake intensity. Intensity is a qualitative measure of the strength of shaking caused by an earthquake determined from the observed effects on people, objects and buildings. For a given earthquake, the intensity normally decreases with distance from the epicentre.

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    What is the earthquake intensity scale for PHIVOLCS?

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  5. Jul 21, 2021 · An earthquake with a magnitude of 6 is dangerous According to geologists, the real cause of earthquakes is strong movement in tectonic plates. Apart from this, earthquakes are also caused due to meteor impact and volcanic eruption, mine testing and nuclear testing. The intensity of an earthquake is measured on the Richter scale.

  6. List of earthquakes in 2021 - Wikipedia

    en.wikipedia.org › wiki › List_of_earthquakes_in_2021

    1 day ago · Only earthquakes of magnitude 6 or above are included, unless they result in damage or casualties, or are notable for some other reason. All dates are listed according to UTC time. Maximum intensities are indicated on the Modified Mercalli intensity scale, and all data are sourced from the United States Geological Survey.

    Date
    Country and location
    Mw
    Depth (km)
    3
    United States, Alaska offshore, Aleutian ...
    6.1
    21.0
    6
    New Zealand offshore, Kermadec Islands
    6.2
    37.1
    6
    Croatia, Sisak-Moslavina, 3 km west ...
    4.7
    10.0
    6
    Indonesia, Gorontalo offshore, 53 km ...
    6.1
    148.0
    • 136
    • 8.1 Mw  New Zealand
  7. Moderate intensity earthquake hits Himachal Pradesh's Kinnaur ...

    www.deccanherald.com › national › north-and-central

    Jul 17, 2021 · A moderate intensity earthquake of magnitude 3.1 shook Himachal Pradesh's tribal district Kinnaur on Friday night, the Meteorological Department said. There was no report of any casualty or damage ...

  8. Lima: a 3.6 magnitude earthquake shook the region this ...

    www.archyde.com › lima-a-3-6-magnitude-earthquake

    Jul 20, 2021 · According to him IGP, the shaking was felt with an intensity of grade III in Chilca. Local authorities have not reported material damage or victims from this phenomenon. This is the third earthquake felt in the country in the last 24 hours, after the tremors registered yesterday in the Lima region (magnitude 4.0) and Moquegua (4.3).

  9. Low intensity earthquake hits Kutch | DH Latest News, DH NEWS ...

    www.eastcoastdaily.in › 2021/07/18 › low-intensity

    6 days ago · Kutch: A low intensity earthquake measuring 3.9 magnitude has hit Kutch district in Gujarat on Sunday at 12.43 pm. The epicenter of the earthquake was located 19 km north-northeast (NNE) of Bhachau in Kutch district at a depth of 14.2 km. There was no immediate report of casualty, injury or damage to property.

    • Pradeep Vijayan
  10. Magnitude-4.2 earthquake felt in West Hawaii | Hawaii Tribune ...

    www.hawaiitribune-herald.com › 2021/07/07 › hawaii

    Jul 07, 2021 · At that intensity, significant damage to buildings or structures is not expected. The USGS “Did you feel it?” website (https://earthquake.usgs.gov/dyfi/) received over 75 felt reports within the first hour of the earthquake.

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