Minor earthquake, 3.11 mag strikes near Ontario in California

A minor earthquake magnitude 3.11 (ml/mb) strikes 6 kilometers (4 miles) from Ontario in California on Sunday. The epicenter of the earthquake was roughly 4.59 km (3 miles) below the earth’s surface. Global time and date of event 01/01/18 / 2018-01-01 01:35:34 / January 1, 2018 @ 1:35 am UTC/GMT. Exact location of event, depth 4.59 km, -117.5895004° West, 34.0343323° North. Id of earthquake: ci37844303. Event ids that are associated: ci37844303. The temblor was reported at 17:35:34 / 5:35 pm (local time epicenter).

Earthquake epicenter was 60 km (37 miles) from Los Angeles (c. 3 792 600 pop), 63 km (39 miles) from Long Beach (c. 462 300 pop), 37 km (23 miles) from Anaheim (c. 336 300 pop), 41 km (26 miles) from Santa Ana (c. 324 500 pop), 20 km (12 miles) from Riverside (c. 303 900 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Sherman Oaks, Marina del Rey, Fallbrook. Close country/countries that might be effected, United States (c. 310 233 000 pop).

In the past 24 hours, there have been one, in the last 10 days two, in the past 30 days four and in the last 365 days fourty-one earthquakes of magnitude 3.0 or greater that has occurred nearby. There are an estimated 130,000 minor earthquakes in the world each year. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage.

Did you feel the quake?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home and country. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 6 km ESE of Ontario, California. This information comes from the USGS Earthquake Notification Service.

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Parameter	Value	Description
Magnitude	3.11 mb	The magnitude for the event.
Longitude	-117.5895004° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	34.0343323° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	4.59 km	Depth of the event in kilometers.
Place	6km ESE of Ontario, California	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2018-01-01 01:35:34	Time when the event occurred. UTC/GMT
Updated	2018-01-01 01:43:59	Time when the event was most recently updated. UTC/GMT
Timezone offset	-480	Timezone offset from UTC in minutes at the event epicenter.
Felt	88	The total number of felt reports
CDI	3.4	The maximum reported intensity for the event.
MMI	4.75	The maximum estimated instrumental intensity for the event.
Alert Level		The alert level from the PAGER earthquake impact scale. Green, Yellow, Orange or Red.
Review Status	automatic	Indicates whether the event has been reviewed by a human.
Tsunami	0	This flag is set to "1" for large events in oceanic regions and "0" otherwise. The existence or value of this flag does not indicate if a tsunami actually did or will exist.
SIG	179	A number describing how significant the event is. Larger numbers indicate a more significant event.
Network	ci	The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources	,ci,	A comma-separated list of network contributors.
Number of Stations Used	116	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.0727	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.24 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	12	The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type	ml	The method or algorithm used to calculate the preferred magnitude for the event.
Event Type	earthquake	Type of seismic event.
Event ID	ci37844303	Id of event.
Event Code	37844303	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,ci37844303,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 3.11 mag strikes near Ontario in California

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