NewKerala.com

6.6 Magnitude Quake Strikes Philippine Sea, Highlighting Ring of Fire Risk

A significant magnitude 6.6 earthquake occurred in the Philippine Sea, centered at a depth of 65 kilometers. The region is part of the seismically active Pacific Ring of Fire, where the Philippine Sea and Eurasian tectonic plates converge. A geology expert explains that such quakes represent the release of built-up stress along faults from millions of years of plate movement. While offshore, such seismic events carry the potential to displace the seafloor and generate tsunamis.

Key Points: 6.6 Magnitude Earthquake Rattles Philippine Sea

  • Magnitude 6.6 quake at 65km depth
  • Located in the Philippine Sea Plate
  • Part of the Pacific Ring of Fire
  • Expert explains tectonic stress release
2 min read

Earthquake of magnitude 6.6 rattles Philippine Sea

A magnitude 6.6 earthquake struck the Philippine Sea, highlighting seismic risks in the Pacific Ring of Fire. No tsunami warning was issued.

"Each earthquake is a manifestation of the periodic release of the stress along long fractures on these plates. - John Dale B Dianala, Geologist"

Philippine Sea, December 27

An earthquake of magnitude 6.6 rattled the Philippine Sea on Saturday, a statement by the National Center for Seismology said.

The earthquake occurred at a depth of 65km.

In a post on X, the NCS said, "EQ of M: 6.6, On: 27/12/2025 20:35:56 IST, Lat: 24.64 N, Long: 122.12 E, Depth: 65 Km, Location: Philippine Sea."

The Philippine Sea borders the Philippines to its east, but it's a vast part of the western Pacific Ocean, with its floor being the Philippine Sea Plate; while the Philippines has sovereign rights over its adjacent waters (the West Philippine Sea within the South China Sea), the broader Philippine Sea is a large oceanic basin shared with other nations like Japan and Taiwan.

The Philippines lies in the Pacific Ring of Fire, a tectonic belt of volcanic arcs and oceanic trenches in the Pacific Ocean.

John Dale B Dianala, assistant professor at the National Institute of Geological Sciences, the University of the Philippines in Diliman, told Al Jazeera that just by virtue of the geographic and geologic setting of the country, the Philippines is home to many onshore and offshore tectonic faults.

"The whole length of the Philippines, around 1,800km, is right along the boundary of two major tectonic plates - the Philippine Sea plate and Eurasian plate - part of the so-called Pacific Ring of Fire. These two plates, thousands of kilometres wide, have been pushing against each other for millions of years at two to three times the rate of fingernail growth," he said.

"Each earthquake is a manifestation of the periodic release of the stress along long fractures on these plates - what geologists call 'faults' - which rupture several metres of movement along a fault in large earthquakes," he further told Al Jazeera.

"When the displacement involves vertical uplift of the seafloor from an offshore fault, like in the Philippine Trench to the east of the country, the movement displaces the water column from the depths of the ocean that then propagate to the surface and coasts in the form of tsunamis. Strong shaking can also cause submarine landslides that can also trigger tsunamis," he added.

- ANI

Share this article:

Reader Comments

R
Rohit P
The science behind it is fascinating but scary. Two massive plates pushing against each other for millions of years... and we feel it as an earthquake in minutes. Nature's power is humbling. Hope there's no tsunami threat.
A
Aman W
Articles like this are a good reminder. We need to invest more in our own disaster preparedness in India. Andaman & Nicobar is also in a seismically active area. Are our early warning systems robust enough? Just a thought.
S
Sarah B
The professor's explanation about tsunamis from vertical seafloor uplift is chilling. It shows how interconnected everything is—an event deep under the ocean can devastate coasts. Stay safe, Philippines.
V
Vikram M
"At two to three times the rate of fingernail growth" – such a simple analogy for such a powerful, slow-motion force. Puts things in perspective. Mother Earth is constantly reshaping herself.
K
Karthik V
Hope our fishermen and any ships in that part of the sea are safe. The Indian Ocean has seen its share of tragedies. Natural disasters don't care about borders. Wishing strength to all affected.

We welcome thoughtful discussions from our readers. Please keep comments respectful and on-topic.

Leave a Comment

Minimum 50 characters 0/50