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Minor earthquake 2.8 mag, 30 km NNW of Jeffrey City, Wyoming


Earthquake location 42.7598S, -107.942WA minor earthquake magnitude 2.8 (ml/mb) strikes 30 kilometers (19 miles) from Jeffrey City in Wyoming on Thursday. The earthquake was roughly at a depth of 5 km (3 miles). Exact location of event, longitude -107.942 West, latitude 42.7598 North, depth = 5 km. The temblor was detected at 00:47:49 / 12:47 am (local time epicenter). All ids that are associated to the event: us1000e1ty. Unique identifier: us1000e1ty. Exact time and date of earthquake 10/05/18 / 2018-05-10 07:47:49 / May 10, 2018 @ 7:47 am UTC/GMT.

Country/countries that might be effected, United States (c. 310 233 000 pop). Epicenter of the earthquake was 46 km (29 miles) from Riverton (c. 10 600 pop), 65 km (40 miles) from Lander (c. 7 500 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Lander, Riverton.

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 three earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. There are an estimated 1,300,000 minor earthquakes in the world each year.

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: 30 km NNW of Jeffrey City, Wyoming.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -107.942° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 42.7598° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 5 km Depth of the event in kilometers.
Place 30km NNW of Jeffrey City, Wyoming Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-05-10 07:47:49 Time when the event occurred. UTC/GMT
Updated 2018-05-13 05:36:37 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 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 1.05 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.04 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 85 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 us1000e1ty Id of event.
Event Code 1000e1ty An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000e1ty, A comma-separated list of event ids that are associated to an event.

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