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Minor earthquake, 2.81 mag strikes near Fontana in CA

Posted by admin on July 11, 2019 0 Comments

Earthquake location 34.1595001S, -117.4736633WA minor earthquake magnitude 2.81 (ml/mb) has occurred on Sunday, 7 kilometers (4 miles) from Fontana in CA. Exact location of earthquake, -117.4736633° West, 34.1595001° North, depth 6.89 km. Exact time and date of earthquake 07/07/19 / 2019-07-07 07:27:37 / July 7, 2019 @ 7:27 am UTC/GMT. The epicenter of the earthquake was roughly 6.89 km (4 miles) below the earth’s surface. The temblor was detected at 07:27:37 / 7:27 am (local time epicenter). All ids that are associated to the event: ci38473207. Unique identifier: ci38473207.

Epicenter of the earthquake was 72 km (45 miles) from Los Angeles (c. 3 792 600 pop), 54 km (34 miles) from Anaheim (c. 336 300 pop), 59 km (36 miles) from Santa Ana (c. 324 500 pop), 24 km (15 miles) from Riverside (c. 303 900 pop), 63 km (39 miles) from Irvine (c. 212 400 pop). Nearby country/countries that might be effected, United States (c. 310 233 000 pop). Nearest cities/city/towns to hypocenter/epicentrum was Willowbrook, Burbank, Signal Hill (min 5000 pop).

In the past 24 hours, there have been one, in the last 10 days three, in the past 30 days eight and in the last 365 days sixty-two earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. There are an estimated 1,300,000 minor earthquakes in the world each year.

Did you feel it?

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. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 7 km NNW of Fontana, CA.

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More information

Parameter Value Description
Magnitude 2.81 mb The magnitude for the event.
Longitude -117.4736633° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 34.1595001° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 6.89 km Depth of the event in kilometers.
Place 7km NNW of Fontana, CA Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2019-07-07 07:27:37 Time when the event occurred. UTC/GMT
Updated 2019-07-07 07:29:42 Time when the event was most recently updated. UTC/GMT
Timezone offset Timezone offset from UTC in minutes at the event epicenter.
Felt The total number of felt reports
CDI 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 121 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 145 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.05058 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.22 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 21 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 ci38473207 Id of event.
Event Code 38473207 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ci38473207, A comma-separated list of event ids that are associated to an event.

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