Mexico Earthquake Triggers Tsunami Alert with Little Risk to Costa Rica
A magnitude 7.3 earthquake struck off the Pacific coast of southern Mexico this morning, setting off a tsunami alert for parts of Mexico and Guatemala. If you are on or headed to Costa Rica’s Pacific coast, the short version is that forecasters do not expect meaningful wave activity here. The Pacific Tsunami Warning Center placed Costa Rica in its lowest forecast tier, with any sea-level change expected to stay under 0.3 meters (about one foot), small enough that most people at the beach would not notice it. The quake hit at 8:48 a.m. local Mexico time, roughly 48 kilometers (30 miles) southwest of Aquiles Serdán, a coastal town in Chiapas state near the Guatemala border, according to the United States Geological Survey. Mexico’s Servicio Sismológico Nacional put the magnitude slightly higher at 7.4 after initially reporting 6.8. Both agencies placed it at a shallow depth of roughly 10 to 15 kilometers (6 to 9 miles), which is part of why the shaking was felt so widely...