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Light earthquake, 4.28 mag was detected near Rio Dell in California


Earthquake location 40.2825012S, -124.3743362WA light earthquake with magnitude 4.28 (ml/mb) was detected on Monday, 33 kilometers (21 miles) from Rio Dell in California. The temblor was picked up at 10:33:15 / 10:33 am (local time epicenter). Exact location of event, longitude -124.3743362 West, latitude 40.2825012 North, depth = 21.43 km. Id of earthquake: nc72733405. Event ids that are associated: nc72733405, at00ohq67e, us10007f12. Global time and date of event 05/12/16 / 2016-12-05 18:33:15 / December 5, 2016 @ 6:33 pm UTC/GMT. A tsunami warning has been issued near Rio Dell in California (Does not indicate if a tsunami actually did or will exist). The earthquake occurred at a depth of 21.43 km (13 miles).

Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was McKinleyville, Arcata, Bayside. Country/countries that might be effected, United States (c. 310 233 000 pop). Event epicenter was 60 km (38 miles) from Eureka (c. 27 200 pop), 69 km (43 miles) from Arcata (c. 17 200 pop), 68 km (42 miles) from Bayside (c. 17 100 pop), 77 km (48 miles) from McKinleyville (c. 15 200 pop), 40 km (25 miles) from Fortuna (c. 11 900 pop).

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

Did you feel anything?

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: 33 km SW of Rio Dell, California.

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More information

Parameter Value Description
Magnitude 4.28 mb The magnitude for the event.
Longitude -124.3743362° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 40.2825012° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 21.43 km Depth of the event in kilometers.
Place 33km SW of Rio Dell, California Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2016-12-05 18:33:15 Time when the event occurred. UTC/GMT
Updated 2016-12-05 18:51:35 Time when the event was most recently updated. UTC/GMT
Timezone offset -480 Timezone offset from UTC in minutes at the event epicenter.
Felt 134 The total number of felt reports
CDI 4.8 The maximum reported intensity for the event.
MMI 4.61 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 346 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,at,us, A comma-separated list of network contributors.
Number of Stations Used 19 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.07935 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.09 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 234 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 nc72733405 Id of event.
Event Code 72733405 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,nc72733405,at00ohq67e,us10007f12, A comma-separated list of event ids that are associated to an event.

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