Japan's Seismic Reality: Unraveling the Pacific Ring of Fire| Special Report| Oneindia

11 months ago

Japan, part of the Pacific Ring of Fire, faces heightened seismic threats. This horseshoe-shaped zone, marked by the Pacific Ocean's rim, is a hotspot for earthquakes and volcanoes. Tectonic plate complexities, including the Philippine Sea Plate's subduction beneath the Eurasia Plate, fuel Japan's seismic activity. The recent magnitude-7.0 earthquake in Kumamoto, though historically significant, reflects Japan's ongoing vulnerability. While this event lacked tsunami risks, aftershock concerns persist, underscoring the nation's perpetual seismic vigilance.

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Transcript

00:00 [Earthquake sounds]

00:05 [Japanese]

00:09 So the question to be asked is, why there are so many earthquakes in Japan?

00:14 Basically, Japan is positioned along the Pacific Ring of Fire, and thus it endures relentless seismic activities.

00:22 This horseshoe-shaped region outlines the Pacific Ocean's rim, notorious for frequent earthquakes and volcanic eruptions.

00:31 The Ring of Fire hosts intense tectonic plate interactions, with the plates like the Pacific and the Philippine Sea plates colliding.

00:41 Now, complex plate dynamics is something which needs to have a very closer look here.

00:46 Numerous major tectonic plates, including the Pacific plate beneath the ocean and the Philippine Sea plate, create intricate interactions at their edges.

00:57 As these plates move, they generate seismic events.

01:01 The recent magnitude of around seven earthquakes in the Kumamoto region resulted from the Philippine Sea plate subducting beneath the Eurasia plate, illustrating.

01:14 the complex plate dynamics in the area.

01:17 [Music]

01:20 Now, Japan's seismic history is profound, but the recent seven magnitude earthquake, among the largest recorded in southern Japan,

01:29 is something that the region has witnessed some of the very significant earthquakes in the past, but this event is unparalleled as far as the magnitude is concerned.

01:41 Notably, the March 20, 1939 magnitude of 6.7 earthquake was the second largest in the area, highlighting the seismic intensity of the recent incident.

01:51 Although, if we may add, Japan frequently faces earthquakes, not all result in tsunamis.

01:58 For a dangerous earthquake-tsunami combination, specific conditions must align, a magnitude seven quake, an oceanic epicenter, and a shallow quake.

02:10 The recent event, while shallow at six miles underground, lacked an oceanic epicenter, mitigating the potential for destructive tsunamis.

02:20 Ongoing seismic vigilance is also being continued, despite the absence of imminent tsunami threats, but this time around, in this particular case,

02:29 which has been witnessed on the very first day of the year 2024, the tsunami warnings were issued, and Japan remains vigilant for aftershocks.

02:39 Aftershocks are very common after a massive earthquake, and it poses a risk, as structures may have been weakened by the first quake, leading to additional damage.

02:50 The seismic sequences energy suggests the likelihood of substantial earthquakes and aftershocks, prompting authorities to monitor the region closely.

03:00 Now, the seismic activity in Japan is ongoing, with expectations of aftershocks in the coming days also.

03:06 While predicting the exact magnitude and timing remains challenging, authorities focus more on the preparedness part of it.

03:13 Japan's geological positioning and intricate plate interactions continue to shape its seismic landscape, highlighting the nation's perpetual vulnerability to earthquakes.

03:25 Hope you find this video informative. For more such videos, keep watching 1India News.

03:31 (dramatic music)

03:33 (dramatic music)

Japan's Seismic Reality: Unraveling the Pacific Ring of Fire| Special Report| Oneindia

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