Thirty-six years ago today, the ground beneath northern and central Luzon shook with a violence Filipinos of that generation have never forgotten. At exactly 4:26 in the afternoon of July 16, 1990, a magnitude 7.8 earthquake struck—the strongest and most destructive to hit the Philippines in two decades, according to PHIVOLCS. The epicenter was near the town of Rizal in Nueva Ecija,…