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Light earthquake, 4.41 mag was detected near La Verne in CA

Earthquake location 34.1398315S, -117.7730026WA light earthquake magnitude 4.41 (ml/mb) strikes 4 kilometers (2 miles) from La Verne in CA on Tuesday. A tsunami warning has been issued near La Verne in CA (Does not indicate if a tsunami actually did or will exist). Event id: ci38038071. Ids that are associated to the earthquake: ci38038071, at00pe7b3r. The temblor was detected at 18:33:28 / 6:33 pm (local time epicenter). Global time and date of event 29/08/18 / 2018-08-29 02:33:28 / August 29, 2018 @ 2:33 am UTC/GMT. The epicenter was at a depth of 6.05 km (4 miles). Exact location, longitude -117.7730026° West, latitude 34.1398315° North, depth = 6.05 km.

Country/countries that might be effected, United States (c. 310 233 000 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Simi Valley, Temecula, Valle Vista. Event epicenter was 44 km (28 miles) from Los Angeles (c. 3 792 600 pop), 57 km (35 miles) from Long Beach (c. 462 300 pop), 36 km (23 miles) from Anaheim (c. 336 300 pop), 45 km (28 miles) from Santa Ana (c. 324 500 pop), 40 km (25 miles) from Riverside (c. 303 900 pop), 53 km (33 miles) from Irvine (c. 212 400 pop).

In the past 24 hours, there have been two, in the last 10 days two, in the past 30 days five and in the last 365 days thirty-four earthquakes of magnitude 3.0 or greater that has struck near. Each year there are an estimated 13,000 light quakes in the world. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

Questions or comments?

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

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More information

Parameter Value Description
Magnitude 4.41 mb The magnitude for the event.
Longitude -117.7730026° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 34.1398315° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 6.05 km Depth of the event in kilometers.
Place 4km N of La Verne, CA Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-08-29 02:33:28 Time when the event occurred. UTC/GMT
Updated 2018-08-29 02:45:36 Time when the event was most recently updated. UTC/GMT
Timezone offset -480 Timezone offset from UTC in minutes at the event epicenter.
Felt 72 The total number of felt reports
CDI 4.1 The maximum reported intensity for the event.
MMI 4.54 The maximum estimated instrumental intensity for the event.
Alert Level green 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 1 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 329 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,at, A comma-separated list of network contributors.
Number of Stations Used 91 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.03439 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.24 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 45 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mw The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID ci38038071 Id of event.
Event Code 38038071 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ci38038071,at00pe7b3r, A comma-separated list of event ids that are associated to an event.

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