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Minor earthquake: M3.43 quake has struck near Saint George in Utah

Earthquake location 36.9798333S, -113.566WA minor earthquake magnitude 3.43 (ml/mb) strikes 16 kilometers (10 miles) from Saint George in Utah on Wednesday. The 3.43-magnitude earthquake has occurred at 07:41:50 / 7:41 am (local time epicenter). Global date and time of event UTC/GMT: 12/07/17 / 2017-07-12 14:41:50 / July 12, 2017 @ 2:41 pm. The earthquake was roughly at a depth of 12.41 km (8 miles). Unique identifier: uu60215332. Ids that are associated to the event: uu60215332, nn00595601. Exact location, longitude -113.566° West, latitude 36.9798333° North, depth = 12.41 km.

Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Mesquite, Hurricane, Ivins. Nearby country/countries that might be effected, United States (c. 310 233 000 pop). Epicenter of the event was 14 km (9 miles) from Saint George (c. 72 900 pop), 18 km (11 miles) from Washington (c. 18 800 pop), 49 km (30 miles) from Mesquite (c. 15 300 pop), 33 km (20 miles) from Hurricane (c. 13 700 pop), 23 km (14 miles) from Ivins (c. 6 800 pop).

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 three and in the last 365 days six earthquakes of magnitude 3.0 or greater that have been detected in the same area. Every year there are an estimated 130,000 minor earthquakes 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. 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: 16 km SSE of Saint George, Utah.

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More information

Parameter Value Description
Magnitude 3.43 mb The magnitude for the event.
Longitude -113.566° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 36.9798333° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 12.41 km Depth of the event in kilometers.
Place 16km SSE 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 2017-07-12 14:41:50 Time when the event occurred. UTC/GMT
Updated 2017-07-12 15:06:48 Time when the event was most recently updated. UTC/GMT
Timezone offset -420 Timezone offset from UTC in minutes at the event epicenter.
Felt 57 The total number of felt reports
CDI 4.1 The maximum reported intensity for the event.
MMI 4.14 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 204 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network uu The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,uu,nn, A comma-separated list of network contributors.
Number of Stations Used 21 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.2598 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.2 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 104 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 uu60215332 Id of event.
Event Code 60215332 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,uu60215332,nn00595601, A comma-separated list of event ids that are associated to an event.

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