Minor earthquake: M2.9 quake has struck near Packwood in Washington

A minor earthquake with magnitude 2.9 (ml/mb) was detected on Tuesday, 31 kilometers (19 miles) from Packwood in Washington. Exact location of event, longitude -121.6490021 West, latitude 46.8909988 North, depth = 5.31 km. The earthquake occurred at a depth of 5.31 km (3 miles) below the earth’s surface. Event ids that are associated to the earthquake: uw61281132. Id of event: uw61281132. Exact time and date of event in UTC/GMT: 11/07/17 / 2017-07-11 10:30:29 / July 11, 2017 @ 10:30 am. The 2.9-magnitude earthquake has occurred at 02:30:29 / 2:30 am (local time epicenter).

Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Issaquah, Des Moines, Fircrest. Event epicenter was 72 km (45 miles) from Tacoma (c. 198 400 pop), 70 km (44 miles) from Kent (c. 92 400 pop), 69 km (43 miles) from Federal Way (c. 89 300 pop), 64 km (40 miles) from Auburn (c. 70 200 pop), 73 km (45 miles) from Lakewood (c. 58 200 pop). Nearby country/countries that might be effected, United States (c. 310 233 000 pop).

There are an estimated 130,000 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 0 and in the last 365 days sixteen earthquakes of magnitude 3.0 or greater that have been detected nearby. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage.

Questions or comments?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 31 km N of Packwood, Washington.

More information

Parameter	Value	Description
Magnitude	2.9 mb	The magnitude for the event.
Longitude	-121.6490021° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	46.8909988° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	5.31 km	Depth of the event in kilometers.
Place	31km N of Packwood, Washington	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2017-07-11 10:30:29	Time when the event occurred. UTC/GMT
Updated	2017-07-11 10:38:08	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		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	129	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	27	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.05262	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.11 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	77	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	uw61281132	Id of event.
Event Code	61281132	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,uw61281132,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake: M2.9 quake has struck near Packwood in Washington

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