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Wednesday, July 23, 2025
TopicEarthquakes

Topic: Earthquakes

Seismologists discover a ‘boomerang earthquake’ that occurred under water in 2016

Mohana Basu -
ScientiFix, our weekly feature, offers you a summary of the top global science stories of the week.

Seismic activity reduced during coronavirus lockdowns, says new study

Paula Koelemeijer -
Everyday human activity gives rise to seismic waves in the ground. We found that seismic noise dropped by an average of 50% in 77 countries between March and May 2020.

Epidemiologist turns Maruti Alto into ambulance to trace Covid contacts in Arunachal district

Myithili Hazarika -
Snippets from the vibrant Northeast that capture politics, culture, society and more in the eight states.

Earthquake of 2.1 magnitude hits Delhi, epicenter at Delhi-Gurugram border

PTI -
Delhi-NCR has recorded more than 14 earthquakes of low and medium intensity since the month of April.

Recent earthquakes not unusual but disaster management plans needed in Delhi: Experts

PTI -
With nearly 13 earthquakes jolting the Delhi-NCR region in two months, there have been apprehensions if it is a prelude to a big temblor.

Earthquake of magnitude 3.4 hits Delhi

PTI -
The epicentre of the quake was near Wazirpur in northeast Delhi, which was also the epicentre of earthquakes that took place on 12 and 13 April.

Earthquake of magnitude 2.7 hits Delhi, second in less than 24 hours

PTI -
The quake, with its epicentre near Wazirpur in northeast Delhi, occurred at 1.26 pm at a shallow depth of 5 km.

How we discovered slow earthquakes that happen over weeks or even months

Ake Fagereng -
Slow slip events occur faster than average plate motion, but are too slow to generate measurable seismic waves. So studied them with GPS networks.

Scientists are hunting for diamond mines in India — with help from earthquake data

Mohana Basu -
A 3-member team is mapping how waves generated by quakes travel through the Earth’s uppermost layers to detect potential diamond mines in the country.

Damage by earthquake in Puerto Rico visible from space, says NASA

Sandhya Ramesh -
Scientists will study the earthquake’s physical effects on the island recorded by satellites to help authorities identify areas with maximum damage.
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Opinion

Air India crash report shows an institutional reform of AAIB and aviation ministry is in order

A K Bhattacharya -
The civil aviation ministry could have recognised the enormity of the Air India crash and prepared the AAIB and its investigating team for its sensitivities.

Bihar mimics 19th-century American South. Citizenship is now weaponised to exclude voters

+TFP

Radhika Yadav’s murder proves the khap panchayat never left—it just moved back into the family

Economy

India-US set to ink mini trade deal soon, reach understanding on agricultural & dairy products

Keshav Padmanabhan -
Mini deal will likely see no cut in 10% baseline tariff on Indian exports announced by Trump on 2 April, it is learnt, but additional 26% tariffs are set to be reduced.

Defence

Not just AK-203, India & Russia to jointly manufacture AK-19 and PPK-20 for domestic use and export 

Snehesh Alex Philip -
India-Russia JV is also racing to deliver 7,000 more AK-203 assault rifles by 15 Aug. These are currently being made with 50% indigenisation and this will surge to 100% by 31 December.

National Interest

Strategic partner one day, tactical nightmare the next: India’s learning Trumplomacy the hard way

Shekhar Gupta -
Public, loud, upfront, filled with impropriety and high praise sometimes laced with insults. This is what we call Trumplomacy. But the larger objective is the same: American supremacy.

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