RSS feed source: USGS Earthquake Hazards Program

Mon, 4 Aug 2025, 20:04 | BY: EARTHQUAKEMONITOR

An earthquake of magnitude 3.6 occurred only 11 minutes ago 31 km southeast of Ierissos, Greece, the National Observatory of Athens (NOA) reported.
The quake hit at a very shallow depth of 5. km beneath the epicenter near Ierissos, Chalkidikí, Central Macedonia, Greece, late at night on Monday, August 4th, 2025, at 10:52 pm local time. The exact magnitude, epicenter, and depth of the quake might be revised within the next few hours or minutes as seismologists review data and refine their calculations, or as other agencies issue their report.
A second report was later issued by the European-Mediterranean Seismological Centre (EMSC), which listed it as a magnitude 4.1 earthquake. Other agencies reporting the same quake include The Seismological Survey of Serbia (SSS) at magnitude 4.3, The Seismological Laboratory of the University of Athens (UOA) at magnitude 3.7, the citizen-seismograph network of RaspberryShake at magnitude 3.9, and The Aristotle University of Thessaloniki Geophysical Lab. (AUTH) at magnitude 3.5.
Based on the preliminary seismic data, the quake should not have caused any significant damage, but was probably felt by many people as light vibration in the area of the epicenter.
Weak shaking might have been felt in Karyes (pop. 240) located 4 km from the epicenter.
Other towns or cities near the epicenter where the quake might have been

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RSS feed source: USGS Earthquake Hazards Program

Mon, 4 Aug 2025, 19:40 | BY: EARTHQUAKEMONITOR

A shallow magnitude 3.7 earthquake was reported in the evening near Alicante, Valencia, Spain.
According to Spain’s Instituto Geográfico Nacional (IGN), the quake hit on Monday, August 4th, 2025, at 9:23 pm local time at a shallow depth of 12. km. Shallow earthquakes are felt more strongly than deeper ones as they are closer to the surface. The exact magnitude, epicenter, and depth of the quake might be revised within the next few hours or minutes as seismologists review data and refine their calculations, or as other agencies issue their report.
Our monitoring service identified a second report from the Portuguese Institute for Sea and Atmosphere (Instituto Português do Mar e da Atmosfera, IPMA) which listed the quake at magnitude 3.0. A third agency, the European-Mediterranean Seismological Centre (EMSC), reported the same quake at magnitude 3.7.
Towns or cities near the epicenter where the quake might have been felt as very weak shaking include Benidorm (pop. 71,000) located 51 km from the epicenter, Villajoyosa (pop. 33,800) 52 km away, El Campello (pop. 27,900) 54 km away, Alicante (pop. 334,800) 54 km away, Santa Pola (pop. 31,800) 56 km away, San Vicent del Raspeig (pop. 56,700) 61 km away, Torrevieja (pop. 101,800) 66 km away, and Elche (pop. 230,100) 69 km away.

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