Why Delhi has some earthquake: আবার তীব্র কম্পন দিল্লিতে, কেন বার বার ভূমিকম্পের শিকার রাজধানী?
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00:00Once again, the earthquake was felt in Rajdhani, Delhi.
00:08Delhi witnessed this incident several times over the years.
00:13Last time, a strong earthquake was felt in the Jatiyo Rajdhani area.
00:17According to the Jatiyo Bhu Kampon Centre,
00:19the earthquake was felt only 5 km away in Rajdhani, Delhi.
00:24The epicentre of the earthquake was Delhi.
00:27Kampon is also known as Ghaziabad in the nearby city of Noida.
00:31Many people woke up at the sound of the earthquake
00:34and left their homes at the time of the earthquake.
00:37I was waiting for my train at the waiting lounge.
00:41Suddenly, at 4.37 am, there was a huge earthquake.
00:45As many of us were at the waiting lounge,
00:48everyone started running outside.
00:50We didn't see anything.
00:52But everyone stopped.
00:54We thought it was an earthquake.
00:56We thought it was a train or a bridge.
01:00Suddenly, there was a lot of noise.
01:02It was a strong earthquake.
01:04We thought it was a train.
01:06The earth was shaking very fast.
01:08It was like the earth was going to explode.
01:11It was a very strong earthquake.
01:13It was around 10 seconds.
01:16How fast did you feel?
01:18It was very fast.
01:20Everyone started moving.
01:23It felt like a train was moving.
01:25It was 5-10 minutes before the earthquake.
01:27Suddenly, there was a shock.
01:29It wasn't normal.
01:31It felt like the ground was shaking.
01:34It was like the ground was shaking.
01:36At around 5.35 am,
01:38I heard a sound
01:40as if someone had shaken the whole building.
01:43When I got up and sat on the bed,
01:45I saw that the fan above was shaking.
01:48Then I came out of the room.
01:53I saw that the fan above was shaking.
01:58I felt as if there was an earthquake.
02:03I came out of the room with my family.
02:07There is nothing new about earthquake in Delhi and nearby areas.
02:11According to the earthquake forecasters,
02:13Delhi earthquake management area is definitely in the 4th category,
02:17which is the highest in earthquake management.
02:20This is because Delhi-Haridwar Ridge and Delhi-Muradabad Fault
02:24is the main earthquake-prone area of Kathmandu.
02:29Last month, Delhi NCR had an earthquake.
02:33It occurred in Kathmandu, Nepal.
02:35It was a 7.1 magnitude earthquake.
02:38In most cases,
02:40there are 5-6 magnitude earthquakes in Delhi.
02:43But 7-8 magnitude earthquakes can occur in the middle of the month.
02:48There are small earthquakes here.
02:50You may not have noticed it.
02:52This earthquake occurred in Dhaulakua, Jhil Park.
02:58In 2007, there was an earthquake of 4.6 magnitude.
03:02Since 1990, there have been 420 earthquakes in that zone.
03:07There is nothing to worry about.
03:10This is a seismogenic zone.
03:12Is this due to plate collision?
03:14No, no.
03:15Plate collision is 3-4 km away from here in the Himalayas.
03:19There is no volcanism.
03:21There is no plate subduction.
03:22There is no plate collision.
03:23It is due to in-situ material heterogeneity.
03:25For example, in the sub-surface where there is rock material,
03:27if there is any weak heterogeneity,
03:29like water or fluid,
03:31if it corrodes, the rock becomes weak and breaks.
03:33So, it was necessary for it to break.
03:35It is good that it broke at 4.
03:37Because that region broke at 4.6.
03:39It broke at 4.
03:40It was shallow, 5 km.
03:41That's why there was perceptible shaking.
03:43Actually, after 4.2 magnitude,
03:46there will be 1.1 or 1.2 magnitude lesser earthquake.
03:50It is necessary because it heals.
03:53If there is any rock material above,
03:55it is used to heal.
03:57Since 1720, only 5 large earthquakes have been recorded
04:01in Delhi or nearby areas.
04:04The number was 5.5 to 6.7.
04:10According to the information of the National Earthquake Center,
04:12there are many more earthquakes around Delhi.
04:16But due to the strong earthquake in the area
04:18near the Himalayas,
04:21there is always a shortage of earthquakes in Delhi.
04:24The experts have warned that
04:26due to the shortage of earthquakes,
04:28it is not possible to expect more earthquakes in the future.
04:34So, in that case,
04:36Delhi residents will have to stay alert.