According to records of the National Seismological System (SSN)Mexican institution in charge of monitoring seismic activity in Mexico in real time, The states of Michoacán, Chiapas and Oaxaca recorded seismic activity during the early hours of this October 28.
The SSN operates a network of seismological stations distributed throughout the country that send data continuously and in real time to an analysis center to determine the date, time, magnitude, epicenter and depth of earthquakes.
Tremors recorded yesterday
During yesterday’s day, the strongest earthquakes recorded occurred in the states of Chiapas and Veracruzboth during the early morning.
The first earthquake was recorded 137 km southwest of Pijijiapan, Chiapas, at 02:12 hours. The magnitude of this earthquake was 4 and the depth was 16 kilometers.
Minutes later, at 02:37 hours, the second strongest earthquake of yesterday occurred 50 km southwest of Sayula de Alemán, in Veracruz, of magnitude 4 with a depth of 120.6 km.
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Tremors recorded this October 28
This Tuesday, October 28, seismic activity was recorded again in Chiapas, but this time the states of Oaxaca and Michoacán joined. Below, we present more details of these earthquakes that affected the southern states of Mexico.
Michoacan
| MAGNITUDE | TIME | EPICENTER | DEPTH |
| 4.2 | 01:51:57 | 102 km southwest of Ciudad Lázaro Cárdenas | 17.8 km |
Chiapas
| MAGNITUDE | TIME | EPICENTER | DEPTH |
| 4.1 | 06:03:19 | 203 km al surosete | 15.5 km |
Oaxaca
| MAGNITUDE | TIME | EPICENTER | DEPTH |
| 4.3 | 06:33:46 | 28 km west of Matías Romero | 98.1 km |
So far, the Civil Protection and Firefighters authorities of the entities have not reported any damage.
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The post Tremor TODAY: Three states presented seismic activity this morning of October 28, 2025 appeared first on Veritas News.