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Key Points

Tibet experienced a second earthquake in a day, measuring 4.0 magnitude at a shallow depth. The region’s seismic activity is linked to the collision of Indian and Eurasian tectonic plates. Heavy rainfall in Tibet has also caused flooding in Nepal, raising alerts in border districts. Authorities warn of continued risks from aftershocks and rising water levels.

Key Points: Tibet Hit by Second 4.0 Magnitude Earthquake in a Day

  • Second 4.0 magnitude quake hits Tibet within hours
  • Shallow depth increases aftershock risks
  • Heavy rainfall triggers flooding in Nepal border areas
  • Region remains seismically active due to tectonic plate collision
2 min read

Tibet rocked by second earthquake in a day

A second earthquake strikes Tibet within hours, raising concerns over aftershocks and flooding risks in Nepal.

"Shallow earthquakes are generally more dangerous as seismic waves cause stronger ground shaking. - National Center for Seismology"

Tibet, July 30

Second earthquake struck Tibet on Wednesday, measuring 4.0 magnitude, a statement by the National Center for Seismology (NCS) said.

As per the NCS, the earthquake occurred at a shallow depth of 10km, making it susceptible to aftershocks.

In a post on X, the NCS said, "EQ of M: 4.0, On: 30/07/2025 11:31:02 IST, Lat: 28.32 N, Long: 87.65 E, Depth: 10 Km, Location: Tibet."

https://x.com/NCS_Earthquake/status/1950439501844926911

Earlier in the day, an earthquake measuring 4.3 had struck the region.

In a post on X, the NCS said, "EQ of M: 4.3, On: 30/07/2025 06:58:42 IST, Lat: 28.36 N, Long: 87.68 E, Depth: 10 Km, Location: Tibet."

https://x.com/NCS_Earthquake/status/1950370340711886948

Shallow earthquakes are generally more dangerous than deep earthquakes. This is because the seismic waves from shallow earthquakes have a shorter distance to travel to the surface, resulting in stronger ground shaking and potentially more damage to structures and greater casualties.

The Tibetan Plateau is known for its seismic activity due to tectonic plate collisions.

Tibet and Nepal lie on a major geological fault line where the Indian tectonic plate pushes up into the Eurasian plate, and earthquakes are a regular occurrence as a result of it. The region is seismically active due to tectonic uplifts that can grow strong enough to change the heights of the Himalayas' peaks.

Meanwhile, downpour in Tibet early on Wednesday morning triggered flood in rivers flowing in Nepal, prompting authorities to issue warning in three districts.

The district of Rasuwa, adjoining the Tibetan side which was hit by a flash flood on July 8 had claimed seven lives with over a dozen still missing, after Lhende River swept infrastructure near Nepal-China border.

Heavy rainfall in Tibet earlier this morning has triggered flooding in the Trishuli River, raising water levels in areas around Uttar Gaya in Rasuwa and the Trishuli 3B Hub in Kispang. Authorities have issued warnings as water flow continues to rise in the Rasuwagadhi area.

- ANI

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Reader Comments

R
Rohit P
The article mentions these are shallow earthquakes - that makes them more dangerous right? I remember the 2015 Nepal earthquake was devastating. Our government should monitor this closely and be ready to help if needed.
A
Arjun K
Nature doesn't recognize borders. While we have political differences, we must remember that people are suffering. India should offer humanitarian assistance if required. The floods mentioned are equally worrying.
S
Sarah B
The science behind this is fascinating - the Indian plate pushing into Eurasian plate creating these mountains and earthquakes. But scary to think how powerful nature is. Stay safe everyone in the region!
V
Vikram M
The article could have provided more details about preparedness measures in the region. Earthquakes are common there - what kind of infrastructure exists to handle such situations? That would make the reporting more useful.
K
Kavya N
My heart goes out to those affected. The combination of earthquakes and floods is terrible. I hope international aid reaches quickly if needed. We should all be more aware of disaster preparedness.

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