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Light earthquake, 4.76 mag has occurred near Bayside in California

Posted by admin on July 21, 2016 0 Comments

Earthquake location 40.7171669S, -123.8970032WA light earthquake with magnitude 4.76 (ml/mb) was reported 19 kilometers (12 miles) from Bayside in California on Thursday. Exact time and date of event in UTC/GMT: 21/07/16 / 2016-07-21 23:09:05 / July 21, 2016 @ 11:09 pm. A tsunami warning has been issued near Bayside in California (Does not indicate if a tsunami actually did or will exist). Exact location of event, longitude -123.8970032 West, latitude 40.7171669 North, depth = 22.85 km. Id of earthquake: nc72664436. Event ids that are associated: at00oaotn5, nc72664436, us20006gl1. The epicenter of the earthquake was roughly 22.85 km (14 miles) below the earth’s surface. The 4.76-magnitude earthquake has occurred at 16:09:05 / 4:09 pm (local time epicenter).

Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was McKinleyville, Fortuna, Eureka. Event epicenter was 24 km (15 miles) from Eureka (c. 27 200 pop), 23 km (14 miles) from Arcata (c. 17 200 pop), 20 km (12 miles) from Bayside (c. 17 100 pop), 31 km (19 miles) from McKinleyville (c. 15 200 pop), 26 km (16 miles) from Fortuna (c. 11 900 pop). Country/countries that might be effected, United States (c. 310 233 000 pop).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. Each year there are an estimated 13,000 light earthquakes in the world. In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days three and in the last 365 days twenty-nine earthquakes of magnitude 3.0 or greater that was reported nearby.

Did you feel it?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city and country. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 19 km SE of Bayside, California.

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More information

Parameter Value Description
Magnitude 4.76 mb The magnitude for the event.
Longitude -123.8970032° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 40.7171669° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 22.85 km Depth of the event in kilometers.
Place 19km SE of Bayside, California Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2016-07-21 23:09:05 Time when the event occurred. UTC/GMT
Updated 2016-07-21 23:28:10 Time when the event was most recently updated. UTC/GMT
Timezone offset -420 Timezone offset from UTC in minutes at the event epicenter.
Felt 421 The total number of felt reports
CDI 5 The maximum reported intensity for the event.
MMI 4.09 The maximum estimated instrumental intensity for the event.
Alert Level green 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 1 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 559 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 ,at,nc,us, A comma-separated list of network contributors.
Number of Stations Used 37 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.142 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 80 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mw The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID nc72664436 Id of event.
Event Code 72664436 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,at00oaotn5,nc72664436,us20006gl1, A comma-separated list of event ids that are associated to an event.

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