EARTHQUAKE IN MEXICO VIA THE NATIONAL SEISMIC SERVICE
In the context of Plate Tectonics, Mexico is located in the so-called Ring of Fire, where a large part of the seismic movements worldwide are recorded. The country is located on the North American Plate, bordered on its southern and western portion by the Cocos, Rivera, and Pacific plates.
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Mexico is one of the countries in the world with the highest seismic activity, since, according to statistics, more than 90 earthquakes per year with a magnitude greater than 4 on the Richter scale are recorded, which is equivalent to 60% of all seismic movements recorded worldwide.
Based on statistical records, the states with the highest risk and where large magnitude earthquakes that can affect Mexico City occur are: Jalisco, Colima, Michoacán, Guerrero, Oaxaca, Puebla, State of Mexico, and Veracruz.
- Why are some earthquakes felt stronger in Mexico City?
Due to the characteristics of the subsoil, largely formed by ancient lake deposits and soft materials that amplify seismic waves, making the movement perceived with greater intensity.
- Why does Mexico shake so much?
Because the country is located in a zone of interaction of several tectonic plates (North America, Pacific, Rivera, Cocos, and Caribbean) within the Pacific Ring of Fire, which generates high seismic activity.
- What should I include in an earthquake emergency backpack?
Drinking water, non-perishable food, flashlight, batteries, portable radio, first aid kit, personal medications, copies of important documents, whistle, light clothing, face mask, and portable cell phone charger.
- Can earthquakes be predicted in Mexico?
No. Currently, there is no technology capable of accurately predicting the time, place, and magnitude of an earthquake. What can be done is to monitor seismic activity, estimate higher risk zones, and strengthen prevention.
- What have been the strongest earthquakes recorded in Mexico in recent history?
Among the strongest are the 8.1 magnitude earthquake of 1985 on the coast of Michoacán, the 8.2 magnitude on September 7, 2017, in the Gulf of Tehuantepec, and other events greater than magnitude 7 in the Mexican Pacific.
- WHAT IS THE DIFFERENCE BETWEEN THE MAGNITUDE AND INTENSITY OF AN EARTHQUAKE?
- They are scales to measure the size or impact of a tremor. The magnitude scale is obtained numerically from records obtained by seismographs and is related to the size and energy released during a tremor. The intensity scale is assigned based on the damage or effects caused to people and their constructions.
- WHY DO SO MANY EARTHQUAKES OCCUR IN MEXICO?
- In the context of Plate Tectonics, Mexico is located in the so-called Ring of Fire, where a large part of the seismic movements worldwide are recorded. The country is located on the North American Plate, bordered on its southern and western portion by the Cocos, Rivera, and Pacific plates.
WHAT IS THE LARGEST MAGNITUDE EARTHQUAKE THAT SHOOK MEXICO CITY?
On September 19, 1985, Mexico City experienced a devastating 8.1 magnitude earthquake, with its epicenter on the Pacific coast.
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It is estimated that at least 10,000 people lost their lives, affecting and collapsing thousands of housing, commercial, and public service structures.
WHAT IS AN EARTHQUAKE?
An earthquake is a sudden breaking of rocks inside the Earth. This sudden release of energy propagates in the form of waves that cause ground movement.
HOW LONG DOES AN EARTHQUAKE LAST AND WHY DOES THE SSN NOT REPORT THIS DATA?
When we talk about the duration of an earthquake, we can refer to several different concepts: One is the duration of the movement perceived by humans, another is the duration of the instrumental record (which can be several minutes), and another is the time the fault movement that caused the earthquake lasted (which can be just a few seconds).
WHAT IS THE DIFFERENCE BETWEEN THE MAGNITUDE AND INTENSITY OF AN EARTHQUAKE?
They are scales to measure the size or impact of a tremor. The magnitude scale is obtained numerically from records obtained by seismographs and is related to the size and energy released during a tremor. The intensity scale is assigned based on the damage or effects caused to people and their constructions.
WHY DO SO MANY EARTHQUAKES OCCUR IN MEXICO?
In the context of Plate Tectonics, Mexico is located in the so-called Ring of Fire, where a large part of the seismic movements worldwide are recorded. The country is located on the North American Plate, bordered on its southern and western portion by the Cocos, Rivera, and Pacific plates.
Mexico is one of the countries in the world with the highest seismic activity, since according to statistics, more than 90 earthquakes per year with a magnitude greater than 4 on the Richter scale are recorded, which is equivalent to 60% of all seismic movements recorded worldwide.
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What was the magnitude and where was the last earthquake in Mexico? Watch live here the reports from the National Seismic Service (SSN) about earthquakes in the country.
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