Iran has been rocked by a third earthquake in just nine days, raising serious questions amid its escalating conflict with Israel. The most recent tremor, a magnitude 5.1 earthquake, struck late Friday night, centered about 37 kilometers southwest of Semnan city at a depth of 10 kilometers, according to the US Geological Survey (USGS). However, Iran’s state television reported the quake as slightly stronger at 5.5 magnitude, identifying the epicenter near the city of Sorkheh in Semnan province.
This seismic event occurred during a period of heightened military tension and is the latest in a series of tremors that have alarmed both observers and local residents. While authorities maintain that the earthquake was due to natural tectonic activity, its timing and location have fueled speculation that it may be linked to underground nuclear testing by Iran, or potentially a military strike by Israel on Iran’s nuclear facilities.
Semnan province holds considerable strategic significance. It is home to the Semnan Space Centre, a major launch site for Iran’s missile and satellite programs, and lies near the critical Fordow and Natanz nuclear sites. These locations have played central roles in Iran’s uranium enrichment efforts and have been targeted by Israel during the current military conflict.
This latest quake prompted widespread evacuations in Semnan, Tehran, and Alborz provinces. Although no casualties have been reported, the fact that many residents fled their buildings raises questions, was it merely fear of aftershocks, or concern over possible radiation exposure?. Iranian authorities and the European-Mediterranean Seismological Centre confirmed the quake but reported only minor damage. However, the ongoing evacuations suggest deeper anxieties, possibly related to the safety of nuclear infrastructure in the region.
The 5.1-magnitude earthquake is the third to strike Iran since the conflict with Israel began. The first tremor, measuring 2.5 on the Richter scale, occurred near the Fordow Nuclear Facility and coincided with explosions in the area. This quake mirrored seismic patterns previously observed during military operations, such as India’s Operation Sindoor, which reportedly targeted Pakistan’s Kirana nuclear sites. The second earthquake, of 4.3 magnitude, was recorded in Sistan and Baluchestan province, close to the Pakistan border.
Fordow, located near the city of Qom, is a fortified nuclear enrichment site. The quake and nearby blasts there occurred during a wave of Israeli strikes on Iranian nuclear and military targets. Israel has now reportedly hit all three of Iran’s major nuclear facilities, Natanz, Isfahan, and Fordow, during this conflict. Satellite images from Natanz reveal serious damage, including to its power station, highlighting the intensity of the Israeli campaign.
With the third quake striking a nuclear-sensitive region during active conflict, speculation continues to grow. Is it a natural disaster, a concealed nuclear test, or evidence of a targeted Israeli strike? While no definitive answers have emerged, the tremors have intensified fears in an already volatile region.
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