Earthquakes can be devastating and strike all over the world. In the last 120 years, many have been extremely large. These are the 5 biggest quakes ever recorded (or at least as recorded since 1900). 5️⃣ MAGNITUDE 9.0, Russia, 1952 – The was the world's first recorded magnitude 9 earthquake. It triggered a large tsunami that struck Hawaii causing over $1 million in damages. 4️⃣ MAGNITUDE 9.1, Japan, 2011 – This earthquake sent a devastating tsunami along coastal Japan, triggered the Fukushima nu

Several earthquakes, strongest being magnitude 3.0, strike near San Ramon: USGS

USGS scientists are providing critical data to support emergency response efforts as glacier flooding affects Juneau, Alaska. A glacier has become a natural dam, trapping water that is now being released and creating flood conditions. The flooding has become an annual threat since 2011, with record-breaking floods over the past two years that impacted more than 300 homes. Our scientists use satellite cameras, lasers and real-time water sensors to track conditions, providing critical information

In the air and on the ground, HVO scientists are collecting data and assessing hazards for Kīlauea's middle East Rift Zone eruption. On September 18, 2024, around 3:15 pm HST, a fourth vent system opened just west of Nāpau Crater. Lava has been flowing over the western cliffs of Nāpau Crater and onto the crater floor. The S2cam provides a view of the lava falls: https://www.usgs.gov/observatories/hvo/s2cam-view-napau-crater-east-rift-zone-kilauea-view-southwest The eruption is occurring within a