An earthquake of magnitude 4.6 occurred early morning on Tuesday, October 27th, 2026, at 6:01 am local time near Arriaga, Arriaga Municipality, Estado de Chiapas, Mexico, as reported by the United States Geological Survey.According to preliminary data, the quake was located at an intermediate depth of 140.34 km. The strength of the earthquake may have been tempered by its relative great depth below the surface, which makes it feel weaker in absolute terms. Magnitude and other quake parameters can still change in the coming hours as the agency continues to process seismic data.Our monitoring service identified a second report from Mexico's National Seismological Service (SSN) which listed the quake at magnitude 4.6 as well. A third agency, the European-Mediterranean Seismological Centre (EMSC), reported the same quake at magnitude 4.6.Towns or cities near the epicenter where the quake might have been felt as very weak shaking include Tierra y Libertad (pop. 2,600) located 5 km from the epicenter, Arriaga (pop. 24,400) 20 km away, Cintalapa de Figueroa (pop. 42,500) 34 km away, Tonala (pop. 35,300) 35 km away, Villaflores (pop. 37,200) 61 km away, Ocozocoautla de Espinosa (pop. 39,200) 62 km away, Berriozabal (pop. 28,100) 73 km away, Tuxtla (pop. 604,100) 85 km away, and Chiapa de Corzo (pop. 45,100) 93 km away.VolcanoDiscovery will automatically update magnitude and depth if these change and follow up if other significant news about the quake become available. If you’re in the area, please send us your experience through our reporting mechanism, either online or via our mobile app. This will help us provide more first-hand updates to anyone around the globe who wants to know more about this quake.Earthquake data: Date & time: Oct 27, 2026 06:01 am (Merida time) local time (27 Oct 2026 12:01 GMT)Magnitude: 4.6Hypocenter depth: 140.34 kmEpicenter coordinates: 16.4°N / 93.82°W (Jiquipilas, Estado de Chiapas, Mexico)Primary data source: USGS