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Minor earthquake, 2.8 mag was detected near Saint George in Utah


Earthquake location 36.9436S, -113.5478WA minor earthquake magnitude 2.8 (ml/mb) has occurred on Saturday, 18 kilometers (11 miles) from Saint George in Utah. The earthquake occurred at a depth of 10 km (6 miles) below the earth’s surface. Exact location, longitude -113.5478° West, latitude 36.9436° North, depth = 10 km. All ids that are associated to the event: us2000iwgl. Unique identifier: us2000iwgl. The temblor was picked up at 17:09:17 / 5:09 pm (local time epicenter). Date and time of earthquake in UTC/GMT: 23/12/18 / 2018-12-23 00:09:17 / December 23, 2018 @ 12:09 am.

Nearby country/countries, United States (c. 310 233 000 pop) (That might be effected). Event epicenter was 18 km (11 miles) from Saint George (c. 72 900 pop), 21 km (13 miles) from Washington (c. 18 800 pop), 49 km (30 miles) from Mesquite (c. 15 300 pop), 34 km (21 miles) from Hurricane (c. 13 700 pop), 28 km (17 miles) from Ivins (c. 6 800 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Mesquite, Hurricane, Ivins.

Each year there are an estimated 1,300,000 minor quakes in the world. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. In the past 24 hours, there have been 0, in the last 10 days 0, in the past 30 days 0 and in the last 365 days two earthquakes of magnitude 3.0 or greater that have been detected nearby.

Did you feel the quake?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city and country. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 18 km S of Saint George, Utah.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -113.5478° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 36.9436° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 18km S of Saint George, Utah Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-12-23 00:09:17 Time when the event occurred. UTC/GMT
Updated 2018-12-23 00:45:20 Time when the event was most recently updated. UTC/GMT
Timezone offset -420 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 2.64 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 121 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network us The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,us, A comma-separated list of network contributors.
Number of Stations Used The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.252 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.79 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 36 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 us2000iwgl Id of event.
Event Code 2000iwgl An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000iwgl, A comma-separated list of event ids that are associated to an event.

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