what type of boundary was the mexico earthquake
a subduction zone
title: Mexico–United States border text: Mexico–United States border The Mexico–United States border () is an international border, nearly 3,100 kilometers long (2,000 miles) separating Mexico and the United States, extending from the Pacific Ocean to the west and Gulf of Mexico to the east. The border traverses a variety of terrains, ranging from urban areas to deserts. The Mexico–US border is the most frequently crossed border in the world, with approximately 350 million documented crossings annually. The total length of the continental border is . From the Gulf of Mexico, it follows the course of the Rio Grande (Río Bravo del Norte) to the border title: 2017 Chiapas earthquake text: of Hurricane Harvey, to focus on earthquake recovery. United States President Donald Trump called Mexican President Enrique Peña Nieto on 14 September, a week after the earthquake, to express his condolences. Trump's delayed call, which he blamed on cellular signal problems, was criticized by some media outlets in both countries. 2017 Chiapas earthquake The 2017 Chiapas earthquake struck at 23:49 CDT on 7 September (local time; 04:49 on the 8th UTC) in the Gulf of Tehuantepec off the southern coast of Mexico, near state of Chiapas, approximately southwest of Pijijiapan (alternately, south-southwest of Tres Picos), with a Mercalli intensity of title: Mexico text: United States-Mexican border west from Ciudad Juárez to the Pacific Ocean. Donald Trump made the construction of a border wall (on the U.S. side) an element of his 2016 presidential campaign. On its south, Mexico shares an border with Guatemala and a border with Belize. Mexico is crossed from north to south by two mountain ranges known as Sierra Madre Oriental and Sierra Madre Occidental, which are the extension of the Rocky Mountains from northern North America. From east to west at the center, the country is crossed by the Trans-Mexican Volcanic Belt also known as the Sierra Nevada. A title: 2017 Chiapas earthquake text: 2017 Chiapas earthquake The 2017 Chiapas earthquake struck at 23:49 CDT on 7 September (local time; 04:49 on the 8th UTC) in the Gulf of Tehuantepec off the southern coast of Mexico, near state of Chiapas, approximately southwest of Pijijiapan (alternately, south-southwest of Tres Picos), with a Mercalli intensity of IX ("Violent"). The magnitude was estimated to be . The earthquake caused all of Mexico City to tremble, prompting people to evacuate after the early warning system was triggered. It also generated a tsunami with waves of above tide level; and tsunami alerts were issued for surrounding areas. Mexico's president title: 2017 Puebla earthquake text: City earthquake, which killed around 10,000 people. The 1985 quake was commemorated, and a national earthquake drill was held, at 11 a.m. local time, just two hours before the 2017 earthquake. Twelve days earlier, the even larger 2017 Chiapas earthquake struck away, off the coast of the state of Chiapas. Mexico is one of the world's most seismically active regions, sitting atop several intersecting tectonic plates. The border between the Cocos Plate and North American Plate, along the Pacific Coast of Mexico, creates a subduction zone that generates large seismic events. Activity along the edges of the Rivera and Caribbean