TERRIFYING EARTHQUAKE 5.9 magnitude strikes at 00:03 midnight in the neighboring country
- 4 days ago
- 2 min read
A strong earthquake has been recorded in Italy. The tremor measured 5.9 on the Richter scale, but fortunately, its focal depth of 414 km meant it caused no damage.
The epicenter of the earthquake, considered unusual by Italian seismologists, was off the coast of Campania.
Experts from the Italian National Institute of Geophysics and Volcanology (INGV) explained the geological causes of this seismic event, which was felt across the Italian peninsula.
Despite its high magnitude, the local impact was minor. The reason lies in the extraordinary depth of the epicenter, a complex geological phenomenon that reminds us how “alive” our planet is far below the surface.
According to INGV experts, “on March 10, 2026, at 00:03 Italian time, an earthquake of magnitude ML 5.9 occurred near the coast of Campania.”
The unusual aspect of this event is not so much the energy released, but the location. INGV specifies that the seismic event occurred “at an exceptionally great depth of about 414 km, well below the usual seismic depths of Italian earthquakes, which mostly occur in the upper crust.”
What causes an earthquake at such incredible depths beneath our feet, in a region where such events are rare? The answer lies in the dynamics of tectonic plates.
“This deep, rare event for this geographic area can be attributed to a geological process typical of the southern Tyrrhenian Sea, due to the presence in the Earth’s mantle of an oceanic lithospheric plate that has been subducted for several million years beneath the Tyrrhenian Sea,” experts explained.
Simply put, an ancient piece of the ocean floor (the plate) slowly sinks into the hot mantle of the Earth, creating tension and friction that, as it accumulates, is released in the form of violent deep-sea earthquakes.
Although “quite rare” off the coast of Campania, this subduction process is well-known and “is accompanied by frequent seismic activity along the coasts of Calabria and Sicily.” INGV notes that the region is not unfamiliar with deep, high-magnitude earthquakes.
The most remarkable historical event reported by INGV dates back nearly a century:
“The strongest deep earthquake known in this area occurred in 1938, with an estimated magnitude between 6.8 and 7.1 — one of the strongest earthquakes in our historical catalog.”
Despite the great depth of the March 10 tremor, seismic waves traveled hundreds of kilometers and were felt across almost all of Italy. INGV confirms that “the preliminary map of macroscopic tremors, continuously updated (at 01:23 Italian time), based on about 130 questionnaires submitted to the website ‘Did you feel the earthquake?’ shows tremors up to MCS III–IV.” This level corresponds to shaking clearly felt by many people inside buildings, similar to the passing of a heavy truck.
However, INGV reassures that “fortunately, in such cases, the great depth greatly weakens the seismic waves, significantly reducing their impact on the surface.”
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