28K views · 74 reactions | The seismic strength of every earthquake gets calculated based on a now universal magnitude scale. Here's where that scale came from and how it works. | Washington Post | Facebook

PHIVOLCS issues: could “The Big One” strike Negros Province? In this concise, authority-first explainer, we break down PHIVOLCS’ latest alerts, seismic fault behavior, and the realistic likelihood of a major quake impacting Negros Island. Learn what the science says about rupture zones, expected shaking intensity, and immediate safety actions residents and visitors should take. Essential viewing for Filipinos concerned about earthquake and tsunami risk, preparedness, and community resilience. Li

A magnitude 7.0 earthquake struck 32 km (20 miles) off Taiwan's northeastern city of Yilan on Saturday, December 27, shaking buildings in Taipei and sending water sloshing in tanks, according to the island's weather administration, with no immediate reports of significant damage. Eyewitness video showed goldfish swimming calmly in a tank before the quake struck, violently rocking water back and forth and causing the fish to dart frantically as household items swayed. The quake with a depth of 73