Minor earthquake, 2.81 mag strikes near Monroe in Washington

A minor earthquake magnitude 2.81 (ml/mb) has struck on Friday, 4 kilometers (2 miles) from Monroe in Washington. Exact time and date of event in UTC/GMT: 21/07/17 / 2017-07-21 09:13:03 / July 21, 2017 @ 9:13 am. The temblor was reported at 01:13:03 / 1:13 am (local time epicenter). Event id: uw61283812. Ids that are associated to the earthquake: uw61283812. Exact location of earthquake, -121.9971695° West, 47.8930016° North, depth 14.35 km. The epicenter of the earthquake was roughly 14.35 km (9 miles) below the earth’s surface.

Nearest cities/city/villages to epicentrum/hypocenter was Enumclaw, Gig Harbor, Milton (min 5000 pop). Country/countries that might be effected, United States (c. 310 233 000 pop). The epicenter was 41 km (25 miles) from Seattle (c. 608 700 pop), 35 km (22 miles) from Bellevue (c. 122 400 pop), 18 km (11 miles) from Everett (c. 103 000 pop), 60 km (37 miles) from Kent (c. 92 400 pop), 48 km (30 miles) from Renton (c. 90 900 pop).

There are an estimated 1,300,000 minor earthquakes in the world each year. In the past 24 hours, there have been 0, in the last 10 days 0, in the past 30 days two and in the last 365 days nineteen 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.

Questions or comments?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home and country. 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: 4 km NNW of Monroe, Washington.

More information

Parameter	Value	Description
Magnitude	2.81 mb	The magnitude for the event.
Longitude	-121.9971695° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	47.8930016° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	14.35 km	Depth of the event in kilometers.
Place	4km NNW of Monroe, Washington	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2017-07-21 09:13:03	Time when the event occurred. UTC/GMT
Updated	2017-07-21 09:19:23	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	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	122	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	76	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.1778	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	40	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	uw61283812	Id of event.
Event Code	61283812	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,uw61283812,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 2.81 mag strikes near Monroe in Washington

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