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Minor earthquake, 2.8 mag strikes near Packwood in Washington


Earthquake location 46.5470009S, -121.6383362WA minor earthquake magnitude 2.8 (ml/mb) has occurred on Wednesday, 7 kilometers (4 miles) from Packwood in Washington. Id of earthquake: uw61091382. Event ids that are associated: uw61091382. Exact time and date of earthquake 18/11/15 / 2015-11-18 14:15:06 / November 18, 2015 @ 2:15 pm UTC/GMT. The 2.8-magnitude earthquake was detected at 06:15:06 / 6:15 am (local time epicenter). The earthquake occurred at a depth of 3.99 km (2 miles) below the earth’s surface. Exact location, longitude -121.6383362° West, latitude 46.5470009° North, depth = 3.99 km.

Nearby country/countries, United States (c. 310 233 000 pop) (That might be effected). Closest city/cities/towns to epicentrum/hypocenter was Prairie Ridge, Graham, Orting (min 5000 pop). Epicenter of the earthquake was 75 km (47 miles) from Graham (c. 23 500 pop), 76 km (47 miles) from Prairie Ridge (c. 11 500 pop), 75 km (47 miles) from Orting (c. 6 700 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 one and in the last 365 days eight 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.

How would you describe the shaking?

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: 7 km SSE of Packwood, Washington.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -121.6383362° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 46.5470009° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 3.99 km Depth of the event in kilometers.
Place 7km SSE 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 2015-11-18 14:15:06 Time when the event occurred. UTC/GMT
Updated 2015-11-18 14:39:41 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 3.1 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 121 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 34 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.02175 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.15 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 113 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 uw61091382 Id of event.
Event Code 61091382 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,uw61091382, A comma-separated list of event ids that are associated to an event.

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