Minor earthquake, 3.3 mag strikes near Manchester in Washington

A minor earthquake magnitude 3.3 (ml/mb) strikes 2 kilometers (1 miles) from Manchester in Washington on Wednesday. Exact time and date of event in UTC/GMT: 03/05/17 / 2017-05-03 19:20:36 / May 3, 2017 @ 7:20 pm. The earthquake was roughly at a depth of 19.18 km (12 miles). The temblor was reported at 11:20:36 / 11:20 am (local time epicenter). Exact location of earthquake, -122.5636673° West, 47.5796661° North, depth 19.18 km. Event id: uw61277931. Ids that are associated to the earthquake: uw61277931.

Nearby country/countries that might be effected, United States (c. 310 233 000 pop). Event epicenter was 18 km (11 miles) from Seattle (c. 608 700 pop), 37 km (23 miles) from Tacoma (c. 198 400 pop), 27 km (17 miles) from Bellevue (c. 122 400 pop), 52 km (32 miles) from Everett (c. 103 000 pop), 33 km (21 miles) from Kent (c. 92 400 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Oak Harbor, Arlington, Stanwood.

In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days two and in the last 365 days fourteen earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. There are an estimated 130,000 minor quakes in the world each year.

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 2 km NNW of Manchester, Washington. This information comes from the USGS Earthquake Notification Service.

More information

Parameter	Value	Description
Magnitude	3.3 mb	The magnitude for the event.
Longitude	-122.5636673° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	47.5796661° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	19.18 km	Depth of the event in kilometers.
Place	2km NNW of Manchester, Washington	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2017-05-03 19:20:36	Time when the event occurred. UTC/GMT
Updated	2017-05-03 19:27:14	Time when the event was most recently updated. UTC/GMT
Timezone offset	-480	Timezone offset from UTC in minutes at the event epicenter.
Felt	13	The total number of felt reports
CDI	3.1	The maximum reported intensity for the event.
MMI	2.73	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	172	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	36	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.155	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	67	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	uw61277931	Id of event.
Event Code	61277931	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,uw61277931,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 3.3 mag strikes near Manchester in Washington

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