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Earthquake breaking news, Minor World Earthquakes Magnitude -3.9

Minor earthquake, 2.99 mag was detected near Chehalis in Washington

Earthquake location 46.642334S, -123.230835WA minor earthquake with magnitude 2.99 (ml/mb) was reported 20 kilometers (12 miles) from Chehalis in Washington on Saturday. The earthquake was roughly at a depth of 68.84 km (43 miles). Exact location of earthquake, longitude -123.230835 West, latitude 46.642334 North, depth = 68.84 km. Global date and time of event UTC/GMT: 04/11/17 / 2017-11-04 09:11:54 / November 4, 2017 @ 9:11 am. Event ids that are associated to the earthquake: uw61348971. Id of event: uw61348971. The temblor was picked up at 01:11:54 / 1:11 am (local time epicenter).

Close country/countries, United States (c. 310 233 000 pop) (That might be effected). Nearest cities/city/villages to epicentrum/hypocenter was Elk Plain, Steilacoom, Fort Lewis (min 5000 pop). Event epicenter was 51 km (31 miles) from Olympia (c. 46 500 pop), 53 km (33 miles) from Lacey (c. 42 400 pop), 60 km (38 miles) from Longview (c. 36 600 pop), 47 km (29 miles) from Tumwater (c. 17 400 pop), 58 km (36 miles) from Aberdeen (c. 16 900 pop).

Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. Each year there are an estimated 130,000 minor earthquakes in the world. In the past 24 hours, there have been one, in the last 10 days two, in the past 30 days three and in the last 365 days nine earthquakes of magnitude 3.0 or greater that has struck near.

Did you feel it?

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. 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: 20 km W of Chehalis, Washington.

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More information

Parameter Value Description
Magnitude 2.99 mb The magnitude for the event.
Longitude -123.230835° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 46.642334° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 68.84 km Depth of the event in kilometers.
Place 20km W of Chehalis, Washington Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-11-04 09:11:54 Time when the event occurred. UTC/GMT
Updated 2017-11-04 14:50:11 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 1.95 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 138 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 22 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.6024 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.75 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 135 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 uw61348971 Id of event.
Event Code 61348971 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,uw61348971, A comma-separated list of event ids that are associated to an event.

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