Subj : Massive Russian earthquake and tsunami having no effect on subsea
To   : All
From : TechnologyDaily
Date : Wed Jul 30 2025 11:00:10

Massive Russian earthquake and tsunami having no effect on subsea cables so 
far

Date:
Wed, 30 Jul 2025 09:50:07 +0000

Description:
The world's sixth-largest earthquake just happened in Russian waters, but 
nearby subsea cables look to be unaffected.

FULL STORY
======================================================================Magnitud
e 8.8 earthquake strikes off Russia's east coast The epicenter is near two 
local subsea cables, which remain operational The Pacific is filled with 
other cables, but they could be safe from disruptions 

After the sixth-largest quake in recorded history struck off the eastern 
coast of Russia, experts have been quick to reassure that critical subsea 
cables used for internet and data transfer remain secure. 

Rated to magnitude 8.8, tsunami warnings are now being shared across the 
whole North Pacific region, including Japan and America's West Coast, with 
waves already arriving in Hawaii, and Japanese low-lying coastal towns being 
urged to evacuate. 

However, so far there have been no effects on critical infrastructure, with 
subsea cables remaining in tact. Russian earthquake didn't prompt internet 
outages 

So far, no outages have been reported by communication facilities, cloud 
computing services or chipmaking plants, with the likes of AWS, Azure and 
Google Cloud still operating normally. 

Russias Rostelecom has not reported any disruptions to its subsea cable 
connecting Petropavlovsk-Kamchatsky with Anadyr, despite its location near to 
the quake site. 

The 10-point Polar Express subsea cable that's currently under construction, 
also connecting Russian locations and also located near the earthquake's 
epicenter, doesn't look to have been disrupted, though the quake could cause 
delays to the project. 

Although no other cables transit near the epicenter, the Pacific is filled 
with major subsea cable networks, including Google's Topaz and Jupiter, which 
is part-owned by AWS and Meta. 

Still, subsea cables are generally buries in trenches for the first few 
kilometres offshore. Once they're exposed on the ocean floor, they're deep 
enough not to be majorly affected by tsunami water columns. The biggest risk 
is earthquake-triggered submarine landslides which threaten to break cables, 
as seen when nine Asia-Pacific cables snapped in the 2006 magnitude 7.0 
Taiwan earthquake. 

Hyperscalers also make use of multiple Availability Zones, meaning that even 
if Russia's earthquake were to affect one area, traffic could be rerouted 
within hours. 

Via The Register You might also like We've listed the best cloud hosting 
providers Check out the best cloud storage and best cloud backup tools Subsea 
internet cables can now listen for sabotage using irregular pulses of light



======================================================================
Link to news story:
https://www.techradar.com/pro/massive-russian-earthquake-and-tsunami-having-no
-effect-on-subsea-cables-so-far


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