In Peru, the constant seismic activity makes many homes and establishments vulnerable to a possible earthquake, whether due to their age, lack of maintenance, or construction without technical criteria. Thus, amid the strong seismic movements recorded in Lurín and recently in Ayacucho, many people have expressed their concern about the negative impact it could have on many Peruvian families. Faced with this situation, the question has arisen as to whether events of this nature could trigger new seismic events in the future. Thus, the United States Geological Survey (USGS) revealed the probability of a similar new scenario occurring after this event, both in the country and in other areas of the region. In the following note, we tell you everything you need to know about it.
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IS IT POSSIBLE THAT NEW EARTHQUAKES WILL OCCUR IN PERU AFTER THE EARTHQUAKE IN AYACUCHO?
Through a report shared by La República, it specifies that there is no scientific evidence to determine that the magnitude 7.2 earthquake recorded in Ayacucho on August 20 is a new sign of a larger magnitude earthquake in Peru. For its part, the United States Geological Survey (USGS) estimates that there is an approximate 5% probability that a stronger seismic movement will occur in the same area during the week following the event.
@atv.noticias 🌍 WHY WAS THE EARTHQUAKE IN AYACUCHO NOT SO CATASTROPHIC? 🚨📉 Unlike other neighboring countries, the key to this earthquake was its depth: it occurred 108 km underground. This caused the waves to lose strength before reaching the surface, reducing their level of destruction. 📉⛰️ Did you feel the movement in your region? Tell us in the comments. 👇 📲 Find out all the details by entering the link in bio 🔗 #prensaatv #SismoPeru #Ayacucho #Seismology ♬ original sound – ATV Noticias
Likewise, a large magnitude earthquake can redistribute tectonic stresses toward susceptible geological faults, which could favor the occurrence of new seismic ruptures. However, this phenomenon does not allow determining when, where, or with what magnitude another earthquake will occur. Therefore, the magnitude 7.2 event recorded in the south of the country remains under surveillance by local authorities but does not constitute a scientific alert about the imminent occurrence of a higher intensity event.
WHY DID IT SOUND SO LOUD BEFORE THE EARTHQUAKE IN LIMA, ACCORDING TO IGP?
In the early hours of Wednesday, August 19, a magnitude 4.8 earthquake was recorded 42 kilometers southwest of Lurín, Lima, causing alarm among the population, who were still resting. However, seconds before the strong seismic movement, thousands of Limeños reported hearing a strange noise coming from the surface. In response, in statements to América Noticias, Hernando Tavera, executive president of the Geophysical Institute of Peru, first ruled out that this tremor is related to the recent seismic events recorded in Venezuela and Colombia.
Thus, regarding the strange noise, the head of the IGP specified that it was caused by P waves (primary or compressional), which travel quickly and generate perceptible vibrations, especially in areas close to the epicenter. Likewise, the public agency warned that the central zone of the country continues to accumulate tectonic energy, a condition that could trigger a higher magnitude earthquake in the future. “The P wave group is a wave that simply hits the ground like a kind of hammer. It moves things, and when it moves things it generates a certain level of noise that the person perceives,” Talavera explained.
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