Most of the areas which have flooded have a 10% chance of flooding every decade.
Unstable soil both upstream and downstream of Anderson Dam have led to concerns over how the it would perform in an earthquake.
In a report released yesterday, the City Club of Portland outlined various steps that should be taken to ensure that the city can quickly bounce back following a large earthquake.
The USGS is asking for volunteers to place a small seismograph in their home or business to assist with a new ground motion study.
A collection of 265 photographs from the aftermath of the 1906 San Francisco earthquake is going up for auction.
Yesterday’s M=3.5 quake occurred in a region of fault creep near the San Andreas and Calaveras faults
As many as 30 people are feared missing following a large avalanche in Central Italy
Thursday’s M=6.5 earthquake should have increased the stress on the Mendocino Fault Zone west and east of the rupture zone. These stress increases nominally would have the potential to trigger more earthquakes.
The 14 November 2016 M=7.8 New Zealand earthquake caused significant damage, and left many people isolated. Images now coming in show the scale of the devastation.
Few people know that much of the Financial District is literally built on top of old ships
The California Office of Emergency Services (CalOES) issued an advisory stating the recent earthquake swam may have slightly increased the probability of additional earthquakes over the next week.
Answer: They are the ‘one percent.’
At 5:02 Saturday morning, a Magnitude 5.6 earthquake struck 14km NW of Pawnee, Oklahoma. This was a fairly shallow quake occurring about 6.59 km below Earth’s surface, and it caused strong shaking.
Based on early reports, the USGS estimates that there will be no casualties or major damage. However, some injuries or economic losses may still be possible.
It’s been over four months since we wrote about the powerful Kumamoto quake sequence: The 15 April 2016 Mw=6.2 (Mjma 6.5) Kumamoto, Japan, shock, which was succeeded 28 hours later by the very damaging Mw=7.0 (Mjma 7.3) shock on the same fault system. We can now give you a preview of crucial new discoveries by Japanese and other researchers.
At 4:37 am Friday morning, a M=7.1 earthquake struck off the east coast of New Zealand, 166 km northeast of Gisborne. This was a moderately deep quake, occurring about 20 km below Earth’s surface, and it caused moderate to strong shaking on land.
Last week’s M=6.2 Italy earthquake left many parts of the medieval city of Amatrice in ruin. In the old part of the city, most buildings were made of unreinforced masonry, leaving them susceptible to collapse [Guidoboni and Valensise, 2015]. Amatrice was all but destroyed in three large shocks over 19 days in 1703, and so the part of the town that was highly damaged on 24 August 2016 was composed of buildings largely constructed about 300 years ago. In contrast, the newer construction in the east side of the town came through the M=6.2 quake relatively unscathed.
Click here to see the interactive earthquake map. At 14:20 Sunday afternoon, a Magnitude 4.5 earthquake struck 23km WSW of Hayfork, California, not far from Fortuna, Bayside, and Arcata. This …
At 13:47 Saturday afternoon, a Magnitude 4.8 earthquake struck 38km E of Hoback, Wyoming. This was a fairly shallow quake occurring about 9.99 km below Earth’s surface, and it caused …
By Gabriel Lotto, Temblor The Louisiana floods, which have killed 13 people and damaged 40,000 homes, were the result of severe rainfall that drenched the Baton Rouge area. As much …
During intense earthquake shaking, water-saturated sediments can turn into a slurry (liquefaction), causing buildings, cars and other heavy objects lying on top of what were formerly stiff, dry sediments or …
Show me the aftershocks of the Chile Earthquake in Temblor Map
Today’s S.F. Chronicle and sfgate.com published a feature article by David Perlman about Temblor App as it also touches on the back story of the app. I’d like read the …
Earthquakes occurred 5 minutes and about 30 miles (50 km) apart. The two events also had approximately the same type of faulting (focal mechanism). Such “doublets” rarely occur. The earthquakes …