Minor earthquake, 3.21 mag strikes near Anza in California

A minor earthquake with magnitude 3.21 (ml/mb) was detected on Wednesday, 21 kilometers (13 miles) from Anza in California. Event id: ci38039592. Ids that are associated to the earthquake: ci38039592. The 3.21-magnitude earthquake was detected at 19:28:28 / 7:28 pm (local time epicenter). Exact time and date of earthquake 09/11/17 / 2017-11-09 03:28:28 / November 9, 2017 @ 3:28 am UTC/GMT. Exact location of event, longitude -116.4696655 West, latitude 33.4616661 North, depth = 6.61 km. The earthquake was roughly at a depth of 6.61 km (4 miles).

Close country/countries, United States (c. 310 233 000 pop) (That might be effected). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Camp Pendleton North, Lakeside, Perris. Earthquake epicenter was 69 km (43 miles) from Escondido (c. 143 900 pop), 70 km (43 miles) from Murrieta (c. 103 500 pop), 63 km (39 miles) from Temecula (c. 100 100 pop), 77 km (48 miles) from Vista (c. 93 800 pop), 74 km (46 miles) from San Marcos (c. 83 800 pop).

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

Questions or comments?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. 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: 21 km ESE of Anza, California.

More information

Parameter	Value	Description
Magnitude	3.21 mb	The magnitude for the event.
Longitude	-116.4696655° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	33.4616661° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	6.61 km	Depth of the event in kilometers.
Place	21km ESE of Anza, California	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2017-11-09 03:28:28	Time when the event occurred. UTC/GMT
Updated	2017-11-09 03:31:21	Time when the event was most recently updated. UTC/GMT
Timezone offset	-480	Timezone offset from UTC in minutes at the event epicenter.
Felt	2	The total number of felt reports
CDI	2	The maximum reported intensity for the event.
MMI		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	159	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	110	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.0717	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.2 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	27	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	ci38039592	Id of event.
Event Code	38039592	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,ci38039592,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 3.21 mag strikes near Anza in California

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