Natural Hazards

Filter Total Items: 491
Date published: July 1, 2019
Status: Active

Tsunami Hazards, Modeling, and the Sedimentary Record

Basic research to develop the geologic record of paleotsunamis and improve the ability to interpret that record is needed to mitigate tsunami risk in the U.S.

Date published: June 28, 2019
Status: Active

Seismic Seiches

Definition of seismic seiches and examples dating back to their first public mention in 1755.

Date published: June 28, 2019
Status: Active

Recommended Reading for the Changing Earth

Recommended titles for the Changing Earth for both adults and kids.

Date published: June 28, 2019
Status: Active

Introduction to Paleoseismology

  

Date published: June 28, 2019
Status: Completed

Paleoseismology and the Hayward Fault

A large, widely damaging earthquake will occur on the Hayward fault in the future. That much we know.
What we don't know is when.

Date published: June 27, 2019
Status: Completed

How Seismic Waves Affect Different Size Buildings

  

Date published: June 27, 2019
Status: Completed

Groundwater Effects from Earthquakes

Note: Some of the explanations below are speculative and should not be relied upon for decision-making. Please see the reference articles (below) for published results.

Seismic waves have two main types of effects on groundwater levels: oscillations, and "permanent" offsets. Muddy or turbid water at long distances from...

Date published: June 27, 2019
Status: Completed

Focal Mechanisms

This page explains the concept of focal mechanisms.

Date published: June 27, 2019
Status: Completed

Earthquake Magnitude, Energy Release, and Shaking Intensity

Earthquake magnitude, energy release, and shaking intensity are all related measurements of an earthquake that are often confused with one another. Their dependencies and relationships can be complicated, and even one of these concepts alone can be confusing.

Here we'll look at each of these, as well as their interconnectedness and dependencies.

Date published: June 26, 2019
Status: Active

Information by Region - Wisconsin

  

Date published: June 26, 2019
Status: Active

Information by Region - Wyoming

  

Date published: June 26, 2019
Status: Active

Information by Region - Utah