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Minor earthquake, 2.8 mag strikes near Cascade in Idaho


Earthquake location 44.3448S, -115.1946WA minor earthquake magnitude 2.8 (ml/mb) strikes 70 km ESE of Cascade, Idaho (43 miles) on Saturday. The 2.8-magnitude earthquake was detected at 01:33:44 / 1:33 am (local time epicenter). Unique identifier: us70008z8c. Ids that are associated to the event: us70008z8c. Global date and time of event UTC/GMT: 18/04/20 / 2020-04-18 08:33:44 / April 18, 2020 @ 8:33 am. Exact location of earthquake, -115.1946° West, 44.3448° North, depth 10 km. The earthquake occurred at a depth of 10 km (6 miles) below the earth’s surface.

In the past 24 hours, there have been three, in the last 10 days fourty-seven, in the past 30 days one hundred and seventy-six and in the last 365 days one hundred and eighty earthquakes of magnitude 3.0 or greater that have been detected 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.

Did you feel it?

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. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 70 km ESE of Cascade, Idaho.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -115.1946° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 44.3448° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 70km ESE of Cascade, Idaho Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2020-04-18 08:33:44 Time when the event occurred. UTC/GMT
Updated 2020-04-18 08:53:19 Time when the event was most recently updated. UTC/GMT
Timezone offset -420 Timezone offset from UTC in minutes at the event epicenter.
Felt 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 0.29 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.91 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 52 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 us70008z8c Id of event.
Event Code 70008z8c An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us70008z8c, A comma-separated list of event ids that are associated to an event.

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