Minor earthquake: M3.47 quake has struck near Calimesa in CA

A minor earthquake magnitude 3.47 (ml/mb) strikes 4 kilometers (2 miles) from Calimesa in CA on Monday. Unique identifier: ci37376114. Ids that are associated to the event: ci37376114. Date and time of earthquake in UTC/GMT: 01/10/18 / 2018-10-01 17:56:19 / October 1, 2018 @ 5:56 pm. The 3.47-magnitude earthquake has occurred at 09:56:19 / 9:56 am (local time epicenter). Exact location of earthquake, -117.0149994° West, 34.0026665° North, depth 16.7 km. The earthquake occurred at a depth of 16.7 km (10 miles).

Event epicenter was 36 km (22 miles) from Riverside (c. 303 900 pop), 83 km (52 miles) from Irvine (c. 212 400 pop), 28 km (17 miles) from San Bernardino (c. 209 900 pop), 40 km (25 miles) from Fontana (c. 196 100 pop), 21 km (13 miles) from Moreno Valley (c. 193 400 pop). Nearby country/countries that might be effected, United States (c. 310 233 000 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Laguna Niguel, Irvine, Azusa.

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

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What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 4 km ENE of Calimesa, CA.

Azusa CA Calimesa Fontana Irvine Laguna Niguel Moreno Valley Riverside San Bernardino United States

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Parameter	Value	Description
Magnitude	3.47 mb	The magnitude for the event.
Longitude	-117.0149994° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	34.0026665° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	16.7 km	Depth of the event in kilometers.
Place	4km ENE of Calimesa, CA	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2018-10-01 17:56:19	Time when the event occurred. UTC/GMT
Updated	2018-10-01 18:07:33	Time when the event was most recently updated. UTC/GMT
Timezone offset	-480	Timezone offset from UTC in minutes at the event epicenter.
Felt	56	The total number of felt reports
CDI	3.6	The maximum reported intensity for the event.
MMI	4.17	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	reviewed	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	205	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	88	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.07738	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.19 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	25	The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type	mlr	The method or algorithm used to calculate the preferred magnitude for the event.
Event Type	earthquake	Type of seismic event.
Event ID	ci37376114	Id of event.
Event Code	37376114	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,ci37376114,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake: M3.47 quake has struck near Calimesa in CA

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