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Minor earthquake: M2.83999991 quake has struck near Union Hill-Novelty Hill in Washington

Earthquake location 47.707000732422S, -122.02633666992WA minor earthquake with magnitude 2.83999991 (ml/mb) was detected on Monday, 3 kilometers (2 miles) from Union Hill-Novelty Hill in Washington. Unique identifier: uw61699607. Ids that are associated to the event: uw61699607. Date and time of earthquake in UTC/GMT: 18/01/21 / 2021-01-18 02:58:33 / January 18, 2021 @ 2:58 am. The temblor was picked up at 02:58:33 / 2:58 am (local time epicenter). Exact location of earthquake, longitude -122.02633666992 West, latitude 47.707000732422 North, depth = 3.8699998855591 km. The earthquake occurred at a depth of 3.8699998855591 km (2 miles).

Epicenter of the earthquake was 25 km (16 miles) from Seattle (c. 608 700 pop), 59 km (37 miles) from Tacoma (c. 198 400 pop), 17 km (11 miles) from Bellevue (c. 122 400 pop), 33 km (20 miles) from Everett (c. 103 000 pop), 39 km (25 miles) from Kent (c. 92 400 pop). Nearest cities/city/villages to epicentrum/hypocenter was Graham, Steilacoom, Spanaway (min 5000 pop). Nearby country/countries, United States (c. 310 233 000 pop) (That might be effected).

In the past 24 hours, there have been 0, in the last 10 days one, in the past 30 days six and in the last 365 days eighteen earthquakes of magnitude 3.0 or greater that has struck near. 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 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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 3 km N of Union Hill-Novelty Hill, Washington. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 2.83999991 mb The magnitude for the event.
Longitude -122.02633666992° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 47.707000732422° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 3.8699998855591 km Depth of the event in kilometers.
Place 3 km N of Union Hill-Novelty Hill, Washington Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2021-01-18 02:58:33 Time when the event occurred. UTC/GMT
Updated 2021-01-18 03:04:51 Time when the event was most recently updated. UTC/GMT
Timezone offset Timezone offset from UTC in minutes at the event epicenter.
Felt 1 The total number of felt reports
CDI 2.2 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 automatic 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 124 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 53 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.189999998 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 42 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type md The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID uw61699607 Id of event.
Event Code 61699607 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,uw61699607, A comma-separated list of event ids that are associated to an event.

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