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Minor earthquake: M3.87 quake has struck near Redway in California



Earthquake location 40.2373352S, -123.6449966WA minor earthquake magnitude 3.87 (ml/mb) has occurred on Friday, 20 kilometers (12 miles) from Redway in California. Event ids that are associated to the earthquake: nc72759410. Id of event: nc72759410. The earthquake occurred at a depth of 31.28 km (19 miles). The temblor was picked up at 08:13:42 / 8:13 am (local time epicenter). Exact time and date of event in UTC/GMT: 03/02/17 / 2017-02-03 16:13:42 / February 3, 2017 @ 4:13 pm. Exact location, longitude -123.6449966° West, latitude 40.2373352° North, depth = 31.28 km.

Close country/countries, United States (c. 310 233 000 pop) (That might be effected). The epicenter was 77 km (48 miles) from Eureka (c. 27 200 pop), 79 km (49 miles) from Arcata (c. 17 200 pop), 76 km (47 miles) from Bayside (c. 17 100 pop), 88 km (55 miles) from McKinleyville (c. 15 200 pop), 59 km (37 miles) from Fortuna (c. 11 900 pop). Nearest cities/city/towns to hypocenter/epicentrum was McKinleyville, Arcata, Eureka (min 5000 pop).

There are an estimated 130,000 minor earthquakes in the world each year. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days four and in the last 365 days thirty-four 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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 20 km NE of Redway, California. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.87 mb The magnitude for the event.
Longitude -123.6449966° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 40.2373352° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 31.28 km Depth of the event in kilometers.
Place 20km NE of Redway, California Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-02-03 16:13:42 Time when the event occurred. UTC/GMT
Updated 2017-02-03 16:18:03 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 2.05 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 230 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 43 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.1337 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.12 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 49 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 nc72759410 Id of event.
Event Code 72759410 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,nc72759410, A comma-separated list of event ids that are associated to an event.

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