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The quake’s epicenter was 69.3 miles east of Petropavlovsk-Kamchatsky, and had a depth of 39 kilometers, according to the USGS.
There were no immediate reports of injuries of major damages.
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The Pacific Tsunami Warning System briefly said there was a threat of a possible tsunami from the earthquake but then changed it to no tsunami threat or warning on its website.
Russia’s Kamchatka Peninsula was hit by at least five powerful quakes — the largest with a magnitude of 7.4 — on July 20. Days later, a powerful 8.8-magnitude earthquake in the region triggered tsunami warnings in Japan, the U.S. and Russia.
An earthquake of magnitude 4.0 struck Myanmar on Saturday, as reported by the National Centre for Seismology (NCS).
According to the NCS, the earthquake occurred at a depth of 10 kilometres.
"EQ of M: 4.0, On: 13/09/2025 11:09:51 IST, Lat: 25.65 N, Long: 97.08 E, Depth: 10 Km, Location: Myanmar."
Earlier on September 4, an earthquake of magnitude 4.7 struck Myanmar. As per the NCS, the earthquake occurred at a depth of 120km.
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.
In the aftermath of the magnitude 7.7 and 6.4 earthquakes that struck central Myanmar on March 28, the World Health Organisation (WHO) warned of a series of rapidly rising health threats for tens of thousands of displaced people in earthquake-affected areas: tuberculosis (TB), HIV, vector- and water-borne diseases.
Myanmar is vulnerable to hazards from moderate and large magnitude earthquakes, including tsunami hazards along its long coastline. Myanmar is wedged between four tectonic plates (the Indian, Eurasian, Sunda, and Burma plates) that interact in active geological processes.
A 1,400-kilometre transform fault runs through Myanmar and connects the Andaman spreading center to a collision zone in the north called the Sagaing Fault.
The Sagaing Fault elevates the seismic hazard for Sagaing, Mandalay, Bago, and Yangon, which together represent 46 per cent of the population of Myanmar. Although Yangon is relatively far from the fault trace, it still suffers from significant risk due to its dense population. For instance, in 1903, an intense earthquake with a magnitude of 7.0 that occurred in Bago also struck Yangon.