National Center for Seismology tweeted, “Earthquake of 5.0, Magnitude Occurred on 06-03-2023, 05:07:16 IST, Lat: 7.97 & Long: 91.65, Depth: 10 Km ,Location: Andaman Nicobar islands region.”
New Delhi: April 9, 2023: Earthquake tremors were felt in Nicobar Islands on Sunday afternoon. According to the National Center for Seismology, a magnitude 4.1 earthquake struck at around 2:59 a.m. on March 9.
According to National Center for Seismology (NCS), the earthquake jolted the Nicobar islands region at the depth of 10 km.
Earthquake tremors are being felt in different places for the last several days. Earlier on April 1, strong tremors were felt in Andaman and Nicobar late on Friday night. The magnitude of the earthquake was measured at 4.0 on the Richter scale.
Why do earthquakes happen?
The Earth is composed of four primary layers – the inner core, outer core, mantle, and crust. The lithosphere comprises the crust and the upper mantle, which is approximately 50 kilometers in thickness.
The lithosphere is subdivided into various sections known as tectonic plates. These tectonic plates remain in a constant state of motion, and when they move excessively, seismic activities such as earthquakes occur.
An earthquake is a natural phenomenon that occurs when the Earth’s tectonic plates move, causing vibrations in the Earth’s crust.
Earthquakes can be triggered by various causes, including volcanic eruptions, landslides, and human activities such as drilling and nuclear explosions.
The intensity and magnitude of an earthquake can vary, ranging from a barely perceptible tremor to a destructive force capable of causing widespread damage and loss of life.
The strength of an earthquake is measured using the Richter scale, which assigns a numerical value to the energy released by the quake.
The damage caused by an earthquake depends on a variety of factors, including the magnitude of the quake, the location, and the construction standards of the buildings and infrastructure in the affected area.
To mitigate the damage caused by earthquakes, buildings and infrastructure are often designed to withstand seismic activity, and early warning systems are used to alert people to an impending earthquake, allowing them to take protective measures.
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