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Minor earthquake, 2.88 mag has occurred near Tieton in Washington


Earthquake location 46.6961667S, -121.0628333WA minor earthquake with magnitude 2.88 (ml/mb) was detected on Thursday, 23 kilometers (14 miles) from Tieton in Washington. Exact location of event, longitude -121.0628333 West, latitude 46.6961667 North, depth = 1.3 km. Exact time and date of earthquake 28/12/17 / 2017-12-28 23:08:31 / December 28, 2017 @ 11:08 pm UTC/GMT. The 2.88-magnitude earthquake has occurred at 15:08:31 / 3:08 pm (local time epicenter). Id of earthquake: uw61361616. Event ids that are associated: uw61361616. The epicenter was at a depth of 1.3 km (1 miles).

Country/countries that might be effected, United States (c. 310 233 000 pop). Nearest cities/city/towns to hypocenter/epicentrum was Toppenish, Ellensburg, Terrace Heights (min 5000 pop). Epicenter of the earthquake was 44 km (27 miles) from Yakima (c. 91 100 pop), 51 km (32 miles) from Ellensburg (c. 18 200 pop), 37 km (23 miles) from West Valley (c. 12 700 pop), 68 km (42 miles) from Toppenish (c. 8 900 pop), 41 km (25 miles) from Selah (c. 7 100 pop).

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 ten earthquakes of magnitude 3.0 or greater that have been detected in the same area. There are an estimated 1,300,000 minor earthquakes in the world each year. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage.

Did you feel the quake?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 23 km W of Tieton, Washington. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 2.88 mb The magnitude for the event.
Longitude -121.0628333° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 46.6961667° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 1.3 km Depth of the event in kilometers.
Place 23km W of Tieton, Washington Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-12-28 23:08:31 Time when the event occurred. UTC/GMT
Updated 2017-12-28 23:36:02 Time when the event was most recently updated. UTC/GMT
Timezone offset -480 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 2.17 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 128 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network uw The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,uw, A comma-separated list of network contributors.
Number of Stations Used 18 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.1678 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.21 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 175 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 uw61361616 Id of event.
Event Code 61361616 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,uw61361616, A comma-separated list of event ids that are associated to an event.

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