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Minor earthquake 2.82 mag, 4 km SW of Fontana, CA

Earthquake location 34.0721667S, -117.4925WA minor earthquake magnitude 2.82 (ml/mb) has struck on Tuesday, 4 kilometers (2 miles) from Fontana in CA. Exact time and date of event in UTC/GMT: 26/03/19 / 2019-03-26 15:27:15 / March 26, 2019 @ 3:27 pm. Exact location of event, depth 2.54 km, -117.4925° West, 34.0721667° North. The epicenter was at a depth of 2.54 km (2 miles). Event ids that are associated to the earthquake: ci38287023. Id of event: ci38287023. The temblor was picked up at 07:27:15 / 7:27 am (local time epicenter).

Close country/countries, United States (c. 310 233 000 pop) (That might be effected). Earthquake epicenter was 69 km (43 miles) from Los Angeles (c. 3 792 600 pop), 73 km (45 miles) from Long Beach (c. 462 300 pop), 47 km (29 miles) from Anaheim (c. 336 300 pop), 50 km (31 miles) from Santa Ana (c. 324 500 pop), 16 km (10 miles) from Riverside (c. 303 900 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Hollywood, West Athens, Westmont.

In the past 24 hours, there have been 0, in the last 10 days three, in the past 30 days four and in the last 365 days sixty-six earthquakes of magnitude 3.0 or greater that have been detected in the same area. There are an estimated 1,300,000 minor earthquakes in the world each year. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage.

Questions or comments?

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. 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 SW of Fontana, CA.

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More information

Parameter Value Description
Magnitude 2.82 mb The magnitude for the event.
Longitude -117.4925° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 34.0721667° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 2.54 km Depth of the event in kilometers.
Place 4km SW 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 2019-03-26 15:27:15 Time when the event occurred. UTC/GMT
Updated 2019-03-26 15:41:48 Time when the event was most recently updated. UTC/GMT
Timezone offset -480 Timezone offset from UTC in minutes at the event epicenter.
Felt 77 The total number of felt reports
CDI 3.4 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 149 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 96 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.02865 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 13 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 ci38287023 Id of event.
Event Code 38287023 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ci38287023, A comma-separated list of event ids that are associated to an event.

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