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Earthquake breaking news, Minor World Earthquakes Magnitude -3.9

Minor earthquake, 3.09 mag has occurred near Fontana in California


Earthquake location 34.1568336S, -117.4745026WA minor earthquake magnitude 3.09 (ml/mb) has occurred on Friday, 7 kilometers (4 miles) from Fontana in California. The temblor was picked up at 20:29:28 / 8:29 pm (local time epicenter). The epicenter of the earthquake was roughly 11.63 km (7 miles) below the earth’s surface. Exact time and date of event in UTC/GMT: 12/09/15 / 2015-09-12 03:29:28 / September 12, 2015 @ 3:29 am. Exact location of event, longitude -117.4745026 West, latitude 34.1568336 North, depth = 11.63 km. Unique identifier: ci37241463. Ids that are associated to the event: ci37241463.

Epicenter of the earthquake was 72 km (45 miles) from Los Angeles (c. 3 792 600 pop), 79 km (49 miles) from Long Beach (c. 462 300 pop), 54 km (34 miles) from Anaheim (c. 336 300 pop), 58 km (36 miles) from Santa Ana (c. 324 500 pop), 24 km (15 miles) from Riverside (c. 303 900 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Westmont, Temecula, Dana Point. 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 one, in the past 30 days two and in the last 365 days thirty-four earthquakes of magnitude 3.0 or greater that have been detected nearby. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. Every year there are an estimated 130,000 minor earthquakes in the world.

Did you feel anything?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage 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: 7 km NNW of Fontana, California.

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More information

Parameter Value Description
Magnitude 3.09 mb The magnitude for the event.
Longitude -117.4745026° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 34.1568336° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 11.63 km Depth of the event in kilometers.
Place 7km NNW of Fontana, California Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-09-12 03:29:28 Time when the event occurred. UTC/GMT
Updated 2015-09-12 03:37:52 Time when the event was most recently updated. UTC/GMT
Timezone offset -420 Timezone offset from UTC in minutes at the event epicenter.
Felt 49 The total number of felt reports
CDI 2.8 The maximum reported intensity for the event.
MMI 5.44 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 161 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 115 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.05476 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.23 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 26 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 ci37241463 Id of event.
Event Code 37241463 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ci37241463, A comma-separated list of event ids that are associated to an event.

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