Parameters Earthquake Observation

Earthquake observation is based on several key parameters measured by seismic instruments, especially seismographs. Scientists at organizations such as the Meteorology, Climatology, and Geophysics Agency monitor:

Seismic Waves
P-waves (Primary waves) travel the fastest through the Earth.

S-waves (Secondary waves) travel more slowly.
The difference in arrival times of these waves helps determine the earthquake's location.

Earthquake Magnitude
Measures the amount of energy released during an earthquake.
Today, scientists commonly use the Moment Magnitude Scale (Mw).

Hypocenter Depth
The point inside the Earth where the earthquake originates.
Earthquakes are classified as shallow, intermediate, or deep based on this depth.

Epicenter Location
The point on the Earth's surface directly above the earthquake's source.

Earthquake Intensity
Measures how strongly the earthquake is felt and the damage it causes.
Often described using the Modified Mercalli Intensity (MMI) Scale.

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