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Earthquake breaking news, Minor World Earthquakes Magnitude -3.9

Minor earthquake, 3.56 mag was detected near Westwood in California



Earthquake location 34.0941658S, -118.4778366WA minor earthquake with magnitude 3.56 (ml/mb) was reported 6 kilometers (4 miles) from Westwood in California on Monday. Global time and date of event 19/09/17 / 2017-09-19 06:20:44 / September 19, 2017 @ 6:20 am UTC/GMT. The temblor was detected at 22:20:44 / 10:20 pm (local time epicenter). Event id: ci37766535. Ids that are associated to the earthquake: ci37766535, nc72894936. The earthquake occurred at a depth of 10.09 km (6 miles). Exact location of earthquake, longitude -118.4778366 West, latitude 34.0941658 North, depth = 10.09 km.

Close country/countries that might be effected, United States (c. 310 233 000 pop). Event epicenter was 22 km (14 miles) from Los Angeles (c. 3 792 600 pop), 45 km (28 miles) from Long Beach (c. 462 300 pop), 59 km (37 miles) from Anaheim (c. 336 300 pop), 68 km (42 miles) from Santa Ana (c. 324 500 pop), 77 km (48 miles) from Irvine (c. 212 400 pop), 21 km (13 miles) from North Glendale (c. 203 200 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Piñon Hills, Mira Monte, Lake Los Angeles.

Each year there are an estimated 130,000 minor earthquakes in the world. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. 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 fifteen earthquakes of magnitude 3.0 or greater that have been detected in the same area.

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. 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: 6 km NW of Westwood, California.

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More information

Parameter Value Description
Magnitude 3.56 mb The magnitude for the event.
Longitude -118.4778366° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 34.0941658° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10.09 km Depth of the event in kilometers.
Place 6km NW of Westwood, California Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-09-19 06:20:44 Time when the event occurred. UTC/GMT
Updated 2017-09-19 06:25:25 Time when the event was most recently updated. UTC/GMT
Timezone offset -480 Timezone offset from UTC in minutes at the event epicenter.
Felt 21 The total number of felt reports
CDI 2.7 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 201 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,nc, A comma-separated list of network contributors.
Number of Stations Used 118 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.06146 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.28 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 46 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mlr The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID ci37766535 Id of event.
Event Code 37766535 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ci37766535,nc72894936, A comma-separated list of event ids that are associated to an event.

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