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Minor earthquake: M2.8 quake has struck near Challis in Idaho



Earthquake location 44.5428S, -114.499WA minor earthquake with magnitude 2.8 (ml/mb) was reported 21 km WNW of Challis, Idaho (13 miles) on Friday. The 2.8-magnitude earthquake was detected at 00:15:30 / 12:15 am (local time epicenter). Global date and time of event UTC/GMT: 26/02/16 / 2016-02-26 07:15:30 / February 26, 2016 @ 7:15 am. Event ids that are associated to the earthquake: us10004suv. Id of event: us10004suv. Exact location, longitude -114.499° West, latitude 44.5428° North, depth = 3.85 km. The earthquake was roughly at a depth of 3.85 km (2 miles).

Every year there are an estimated 1,300,000 minor earthquakes 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 six earthquakes of magnitude 3.0 or greater that was reported nearby.

Questions or comments?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 21 km WNW of Challis, Idaho. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -114.499° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 44.5428° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 3.85 km Depth of the event in kilometers.
Place 21km WNW of Challis, Idaho Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2016-02-26 07:15:30 Time when the event occurred. UTC/GMT
Updated 2016-02-26 07:26:19 Time when the event was most recently updated. UTC/GMT
Timezone offset -420 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 1 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 0.817 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.33 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 38 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 us10004suv Id of event.
Event Code 10004suv An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10004suv, A comma-separated list of event ids that are associated to an event.

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