Earthquakes in India

India is located in a seismically active zone and experiences earthquakes frequently. However, not all regions in India are equally prone to earthquakes. Let's analyze the given options to determine which state is least likely to be affected by earthquakes.

Rajasthan
- Rajasthan is located in the northwestern part of India and is considered to be a relatively safe zone when it comes to earthquakes.
- It falls in seismic zone II, which is classified as a low-risk zone.
- The state has a stable geological structure, with fewer faults and tectonic activity, reducing the chances of earthquakes.

Uttar Pradesh
- Uttar Pradesh is located in the northern part of India and is prone to seismic activity.
- It falls in seismic zone III, which is classified as a moderate-risk zone.
- The region is surrounded by active tectonic boundaries, making it susceptible to earthquakes.

Jammu and Kashmir
- Jammu and Kashmir is situated in the northernmost part of India and is highly prone to earthquakes.
- It falls in seismic zone V, which is classified as a very high-risk zone.
- The region is located near the collision zone of the Indian and Eurasian tectonic plates, resulting in frequent seismic activity.

Gujarat
- Gujarat is located in the western part of India and is known for its high seismicity.
- It falls in seismic zone III, which is classified as a moderate-risk zone.
- The devastating Bhuj earthquake of 2001, which caused extensive damage and loss of life, is a testament to the region's vulnerability to earthquakes.

Conclusion
Based on the analysis, the state of Uttar Pradesh (option B) is the correct answer. While it is prone to earthquakes, it is relatively less likely to be affected compared to other options given. However, it is essential to note that earthquakes can occur in any region, and preparedness is crucial regardless of the level of risk.