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Minor earthquake 2.87 mag, 22 km NNE of Willow Creek, California


Earthquake location 41.123333S, -123.5053329WA minor earthquake with magnitude 2.87 (ml/mb) was detected on Saturday, 22 kilometers (14 miles) from Willow Creek in California. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The epicenter of the earthquake was roughly 37.91 km (24 miles) below the earth’s surface. Exact location, longitude -123.5053329° West, latitude 41.123333° North, depth = 37.91 km. Global date and time of event UTC/GMT: 27/06/15 / 2015-06-27 23:45:11 / June 27, 2015 @ 11:45 pm. Id of earthquake: nc72473221. Event ids that are associated: nc72473221. The 2.87-magnitude earthquake was detected at 16:45:11 / 4:45 pm (local time epicenter).

Closest city/cities/towns to epicentrum/hypocenter was Eureka, Bayside, Arcata (min 5000 pop). Close country/countries, United States (c. 310 233 000 pop) (That might be effected). The epicenter was 66 km (41 miles) from Eureka (c. 27 200 pop), 56 km (35 miles) from Arcata (c. 17 200 pop), 56 km (35 miles) from Bayside (c. 17 100 pop), 54 km (33 miles) from McKinleyville (c. 15 200 pop).

Each year there are an estimated 1,300,000 minor earthquakes in the world. 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 eleven earthquakes of magnitude 3.0 or greater that was reported nearby.

Did you feel anything?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city 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: 22 km NNE of Willow Creek, California.

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More information

Parameter Value Description
Magnitude 2.87 mb The magnitude for the event.
Longitude -123.5053329° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 41.123333° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 37.91 km Depth of the event in kilometers.
Place 22km NNE of Willow Creek, California Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-06-27 23:45:11 Time when the event occurred. UTC/GMT
Updated 2015-06-27 23:51:07 Time when the event was most recently updated. UTC/GMT
Timezone offset -420 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 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 127 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network nc The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,nc, 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 0.1602 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 47 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 nc72473221 Id of event.
Event Code 72473221 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,nc72473221, A comma-separated list of event ids that are associated to an event.

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