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Light earthquake, 4.93 mag has occurred near Westmorland in CA

Earthquake location 33.0588341S, -115.5931702WA light earthquake magnitude 4.93 (ml/mb) has occurred on Thursday, 4 kilometers (2 miles) from Westmorland in CA. Exact location of event, longitude -115.5931702 West, latitude 33.0588341 North, depth = 11.16 km. Global date and time of event UTC/GMT: 01/10/20 / 2020-10-01 00:31:27 / October 1, 2020 @ 12:31 am. The epicenter was at a depth of 11.16 km (7 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Event ids that are associated to the earthquake: ew1601512287, ci39641528. Id of event: ci39641528. The 4.93-magnitude earthquake was detected at 00:31:27 / 12:31 am (local time epicenter).

Epicenter of the earthquake was 50 km (31 miles) from Mexicali (c. 597 100 pop), 102 km (63 miles) from San Luis Río Colorado (c. 139 300 pop), 98 km (61 miles) from Yuma (c. 93 100 pop), 94 km (58 miles) from Indio (c. 76 000 pop), 30 km (19 miles) from El Centro (c. 42 600 pop), 88 km (54 miles) from Coachella (c. 40 700 pop), 43 km (27 miles) from Calexico (c. 38 600 pop). Close country/countries that might be effected, Mexico (c. 112 469 000 pop), United States (c. 310 233 000 pop). Nearest cities/city/towns to hypocenter/epicentrum was San Luis Río Colorado, Doctor Alberto Oviedo Mota, Bermuda Dunes (min 5000 pop).

In the past 24 hours, there have been twenty, in the last 10 days twenty, in the past 30 days twenty and in the last 365 days one hundred earthquakes of magnitude 3.0 or greater that have been detected nearby. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. Each year there are an estimated 13,000 light quakes in the world.

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 data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 4 km NE of Westmorland, CA.

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More information

Parameter Value Description
Magnitude 4.93 mb The magnitude for the event.
Longitude -115.5931702° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 33.0588341° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 11.16 km Depth of the event in kilometers.
Place 4km NE of Westmorland, CA Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2020-10-01 00:31:27 Time when the event occurred. UTC/GMT
Updated 2020-10-01 00:36:33 Time when the event was most recently updated. UTC/GMT
Timezone offset Timezone offset from UTC in minutes at the event epicenter.
Felt 1 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 reviewed 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 374 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 ,ew,ci, A comma-separated list of network contributors.
Number of Stations Used 97 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.02259 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.32 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 mw The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID ci39641528 Id of event.
Event Code 39641528 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ew1601512287,ci39641528, A comma-separated list of event ids that are associated to an event.

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