Two Monroe County people died and two others were injured in a two-vehicle crash at 9:30 p.m. Saturday on Route 33 in the Borough of Stockertown, Northampton County.

The office of Lehigh County Coroner Scott M. Grim identified the deceased as Antoni Alvarado, 20, of 243 Dogwood Lane, Saylorsburg, and Daniel Blazier, 19, of 1424 Pennell Road, Chestnuthill Township, Brodheadsville.Injured were Zachary Coleman, 18, of Brodheadsville, and Crystal Vargas, 22, of Albrightsville.Grim's office said Alvarado was pronounced dead at 3:35 a.m. Sunday.Blazier died a little over three hours later (6:53 a.m.). Both in the St. Luke's University Hospital-Bethlehem.State police at the Belfast barracks are investigating the crash, which happened at mile marker 9.5.Police said both vehicles were traveling south and Vargas' 2005 Honda Civic was ahead of Blazier's 2014 Hyundai Elantra in the right lane of travel. Police said Blazier was traveling at a high rate of speed when he lost control of the vehicle and it rear-ended the Honda. Police said the impact caused both vehicles to travel off the right side of the roadway and go across the Rt. 33 on-ramp from State Route 191 before landing in a wooded area off the western shoulder of the road.Alvardo and Coleman were passengers in Blazier's vehicle, police said. They said Coleman and Vargas both sustained moderate injuries.Police were assisted at the scene by the Forks Township Fire Department, the Nazareth, Bushkill and Suburban EMS units and the Troop M Forensic Services Unit.