2019 Ridgecrest earthquakes

E209361

The 2019 Ridgecrest earthquakes were a powerful sequence of Southern California quakes, including a magnitude 7.1 mainshock, that caused widespread shaking, surface ruptures, and infrastructure damage across the Mojave Desert region.

All labels observed (5)

How this entity was disambiguated

Statements (49)

Predicate Object
instanceOf earthquake sequence ⓘ
natural disaster ⓘ
aftershockCount tens of thousands of aftershocks ⓘ
casualties at least 1 direct fatality ⓘ
caused building damage ⓘ
ground cracking ⓘ
infrastructure damage ⓘ
liquefaction in some areas ⓘ
power outages ⓘ
road damage ⓘ
rockfalls ⓘ
small fires ⓘ
surface ruptures ⓘ
country United States ⓘ
depth approximately 10.5 km ⓘ
economicLoss over 1 billion USD ⓘ
endTime 2019-07-06 ⓘ
epicenterNear Searles Valley, California ⓘ
faultType strike-slip ⓘ
feltIn Las Vegas, Nevada ⓘ
Los Angeles metropolitan area ⓘ
Northern Mexico ⓘ
Phoenix, Arizona ⓘ
foreshockDate 2019-07-04 ⓘ
foreshockLocalTime 10:33 PDT ⓘ
hasAftershockMagnitude 5.4 Mw ⓘ
hasForeshockMagnitude 6.4 Mw ⓘ
hasMainshockMagnitude 7.1 Mw ⓘ
injuries dozens of injuries ⓘ
intensityScale Modified Mercalli intensity scale ⓘ
largestEvent 2019 Ridgecrest mainshock ⓘ
locatedIn Kern County, California ⓘ
linked to: Kern County

Mojave Desert ⓘ
San Bernardino County, California ⓘ
Southern California ⓘ
mainshockDate 2019-07-06 ⓘ
mainshockLocalTime 20:19 PDT ⓘ
maximumIntensity VIII (Severe) ⓘ
monitoredBy California Institute of Technology ⓘ
United States Geological Survey ⓘ
near Ridgecrest, California ⓘ
partOf Eastern California Shear Zone ⓘ
precededBy 2019 Ridgecrest foreshock ⓘ
prompted public safety inspections of infrastructure in affected region ⓘ
reassessment of seismic hazard in Eastern California Shear Zone ⓘ
regionTectonics Pacific Plate–North American Plate boundary ⓘ
rupturedFaultSystem Ridgecrest fault system ⓘ
startTime 2019-07-04 ⓘ
triggered activation of ShakeAlert early warning system ⓘ

How these facts were elicited

Referenced by (5)

Full triples — surface form annotated when it differs from this entity's canonical label.

Ridgecrest, California → notableEvent → 2019 Ridgecrest earthquakes ⓘ
2019 Ridgecrest earthquakes → largestEvent → 2019 Ridgecrest mainshock ⓘ
linked to: 2019 Ridgecrest earthquakes
Searles Valley, California → hasNearbyEarthquakeActivity → Ridgecrest earthquake sequence of July 2019 ⓘ
linked to: 2019 Ridgecrest earthquakes
Searles Valley, California → locatedNearEpicenterOf → 2019 Searles Valley earthquake (M6.4) ⓘ
linked to: 2019 Ridgecrest earthquakes
Ridgecrest fault system → produced → 2019 Ridgecrest earthquake sequence ⓘ
linked to: 2019 Ridgecrest earthquakes