Magnitude 5.7 and 5.1 earthquakes shake California. Here's where

A series of moderate earthquakes rattled the waters off Northern California and southern Oregon early Thursday near the Mendocino Triple Junction.
ABC7

Earthquake scale: How they are measured and what the magnitude and intensity scales mean

Earthquakes and seismic activity often happen with sudden movements underground with tectonic plates. Seismographs are used by scientists to measure the time, location and strength of an earthquake. Magnitude illustrates the strength of an earthquake ...
Irish Sun

What is the Richter Scale for earthquakes, how is magnitude measured and does it go up to 10?

THE destructive power of earthquakes is measured in different ways, but the one most people have heard of is the Richter scale. Here’s how the force is calculated – and what it means if you are caught up in a disaster like the Lombok quake that killed ...
The New York Times

Here’s How Earthquakes Are Measured

What does “moment magnitude” mean, and how do scientists determine the strength of a rupture in the earth? By Henry Fountain Henry Fountain spent a quarter century covering science for The Times. He retired in 2023. Seismologists register the intensity ...
Morning Overview on MSN

A magnitude 5.2 quake rattled the New Guinea region near Gorontalo, the strongest jolt USGS logged worldwide in the past 24 hours

A magnitude 5.2 earthquake struck 77 km south of Gorontalo, Indonesia, on June 4, 2026, registering as the strongest seismic event the U.S. Geological Survey recorded anywhere on Earth in the preceding 24 hours.