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Earthquake breaking news, Minor World Earthquakes Magnitude -3.9

Minor earthquake, 3.51 mag was detected near Willowbrook in CA

Earthquake location 33.9178352S, -118.2665024WA minor earthquake with magnitude 3.51 (ml/mb) was reported 1 kilometers (1 miles) from Willowbrook in CA on Wednesday. The 3.51-magnitude earthquake has occurred at 16:31:59 / 4:31 pm (local time epicenter). The earthquake occurred at a depth of 18.9 km (12 miles) below the earth’s surface. Exact time and date of event in UTC/GMT: 20/01/21 / 2021-01-20 16:31:59 / January 20, 2021 @ 4:31 pm. Exact location of earthquake, longitude -118.2665024 West, latitude 33.9178352 North, depth = 18.9 km. Id of earthquake: ci39762912. Event ids that are associated: ci39762912.

Nearby country/countries, United States (c. 310 233 000 pop) (That might be effected). Nearest cities/city/villages to epicentrum/hypocenter was Bloomington, San Clemente, Quartz Hill (min 5000 pop). Epicenter of the earthquake was 15 km (9 miles) from Los Angeles (c. 3 792 600 pop), 18 km (11 miles) from Long Beach (c. 462 300 pop), 34 km (21 miles) from Anaheim (c. 336 300 pop), 42 km (26 miles) from Santa Ana (c. 324 500 pop), 80 km (50 miles) from Riverside (c. 303 900 pop), 49 km (31 miles) from Irvine (c. 212 400 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 twenty-three earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. There are an estimated 130,000 minor earthquakes in the world each year.

Did you feel the quake?

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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 1 km W of Willowbrook, CA. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.51 mb The magnitude for the event.
Longitude -118.2665024° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 33.9178352° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 18.9 km Depth of the event in kilometers.
Place 1km W of Willowbrook, CA Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2021-01-20 16:31:59 Time when the event occurred. UTC/GMT
Updated 2021-01-20 16:34:28 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 190 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 79 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.0503 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.27 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 90 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 ci39762912 Id of event.
Event Code 39762912 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ci39762912, A comma-separated list of event ids that are associated to an event.

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