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Minor earthquake, 2.81 mag strikes near Mercer Island in Washington



Earthquake location 47.5639992S, -122.2851639WA minor earthquake with magnitude 2.81 (ml/mb) was detected on Saturday, 4 kilometers (2 miles) from Mercer Island in Washington. Exact time and date of earthquake 17/03/18 / 2018-03-17 22:35:37 / March 17, 2018 @ 10:35 pm UTC/GMT. The epicenter was at a depth of 1.87 km (1 miles). All ids that are associated to the event: uw61355627, us1000d5wk. Unique identifier: uw61355627. Exact location of earthquake, -122.2851639° West, 47.5639992° North, depth 1.87 km. The 2.81-magnitude earthquake was detected at 14:35:37 / 2:35 pm (local time epicenter).

Nearest cities/city/villages to epicentrum/hypocenter was Stanwood, Olympia, Yelm (min 5000 pop). The epicenter was 6 km (4 miles) from Seattle (c. 608 700 pop), 37 km (23 miles) from Tacoma (c. 198 400 pop), 8 km (5 miles) from Bellevue (c. 122 400 pop), 47 km (29 miles) from Everett (c. 103 000 pop), 21 km (13 miles) from Kent (c. 92 400 pop). Nearby country/countries, United States (c. 310 233 000 pop) (That might be effected).

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 fourteen earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage.

Did you feel anything?

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, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 4 km W of Mercer Island, Washington. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 2.81 mb The magnitude for the event.
Longitude -122.2851639° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 47.5639992° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 1.87 km Depth of the event in kilometers.
Place 4km W of Mercer Island, Washington Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-03-17 22:35:37 Time when the event occurred. UTC/GMT
Updated 2018-03-17 22:48:49 Time when the event was most recently updated. UTC/GMT
Timezone offset -480 Timezone offset from UTC in minutes at the event epicenter.
Felt 35 The total number of felt reports
CDI 2.7 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 131 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,us, A comma-separated list of network contributors.
Number of Stations Used 37 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.02553 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.1 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 79 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 uw61355627 Id of event.
Event Code 61355627 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,uw61355627,us1000d5wk, A comma-separated list of event ids that are associated to an event.

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