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Minor earthquake 2.85 mag, 3 km NNE of University Place, Washington

Earthquake location 47.2626667S, -122.5375WA minor earthquake magnitude 2.85 (ml/mb) strikes 3 kilometers (2 miles) from University Place in Washington on Monday. The temblor was reported at 23:45:01 / 11:45 pm (local time epicenter). Event id: uw61434702. Ids that are associated to the earthquake: uw61434702. The epicenter was at a depth of 55.04 km (34 miles). Exact location of earthquake, longitude -122.5375 West, latitude 47.2626667 North, depth = 55.04 km. Exact time and date of event in UTC/GMT: 30/10/18 / 2018-10-30 07:45:01 / October 30, 2018 @ 7:45 am.

Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Chehalis, Silver Firs, Mill Creek. Event epicenter was 41 km (26 miles) from Seattle (c. 608 700 pop), 7 km (4 miles) from Tacoma (c. 198 400 pop), 46 km (29 miles) from Bellevue (c. 122 400 pop), 26 km (16 miles) from Kent (c. 92 400 pop), 34 km (21 miles) from Renton (c. 90 900 pop). Nearby country/countries, United States (c. 310 233 000 pop) (That might be effected).

Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. Each year there are an estimated 1,300,000 minor quakes in the world. 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 have been detected nearby.

Did you feel the quake?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city and country. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 3 km NNE of University Place, Washington.

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More information

Parameter Value Description
Magnitude 2.85 mb The magnitude for the event.
Longitude -122.5375° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 47.2626667° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 55.04 km Depth of the event in kilometers.
Place 3km NNE of University Place, Washington Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-10-30 07:45:01 Time when the event occurred. UTC/GMT
Updated 2018-10-30 08:15:06 Time when the event was most recently updated. UTC/GMT
Timezone offset -480 Timezone offset from UTC in minutes at the event epicenter.
Felt 1 The total number of felt reports
CDI 3.4 The maximum reported intensity for the event.
MMI 2.88 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 125 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 60 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.01644 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.27 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 uw61434702 Id of event.
Event Code 61434702 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,uw61434702, A comma-separated list of event ids that are associated to an event.

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