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Another low-intensity tremor in Chickballapur
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Magnitude 2.9 shook Chickballapur again: the seismic zone and disaster-management basics Karnataka papers test
Magnitude 2.9 tremor recorded in Chickballapur.
Why it matters: Karnataka-specific
What you need to know
2 ମିନିଟ
A mild tremor of magnitude 2.9 was recorded in Chickballapur district at 3.29 a.m.
on 24 October.
ଉତ୍ସ: Topper IAS editorial (PIB / The Hindu / Indian Express)
ମୁଖ୍ୟ ତଥ୍ୟ
Remember these
- A tremor of magnitude 2.9 was recorded in Chickballapur district at 3.29 a.m. on 24 October.
- Earthquake magnitude is measured on the Richter scale (logarithmic) and recorded by seismographs.
- Karnataka's Karnataka State Natural Disaster Monitoring Centre (KSNDMC) monitors seismic activity in the state.
- Quakes below magnitude 3.0 are generally classed as minor and are often not felt.
- The Disaster Management Act, 2005 created NDMA, State and District Disaster Management Authorities.
ପ୍ରିଲିମ୍ସ · ମେନ୍ସ
How the exam will ask it
ପ୍ରିଲିମ୍ସ
- Statement: Earthquake magnitude is measured on a logarithmic scale, so each whole-number rise means about 10 times greater amplitude of ground motion.
- Statement: The Disaster Management Act, 2005 provides for NDMA at the national level, SDMA at the state level and DDMA at the district level.
- Statement: The Indian Peninsular region is considered more stable than the Himalayan belt but is not free from seismic activity.
ମେନ୍ସ
GS-I (Geography) and GS-III (Disaster Management). Repeated low-intensity tremors in a peninsular district raise questions about intraplate seismicity, which the Disaster Management Act, 2005 and the NDMA guidelines address through monitoring, building codes and community awareness. The way forward is denser seismograph networks, public communication to prevent panic, and enforcement of earthquake-resistant construction norms.
Quick recall
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