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Minor earthquake 2.84 mag, 4 km WNW of Arcata, CA

Posted by admin on June 12, 2018 0 Comments

Earthquake location 40.8808327S, -124.1291656WA minor earthquake magnitude 2.84 (ml/mb) has occurred on Tuesday, 4 kilometers (2 miles) from Arcata in CA. Event id: nc73029301. Ids that are associated to the earthquake: nc73029301. The epicenter of the earthquake was roughly 9.34 km (6 miles) below the earth’s surface. Global time and date of event 12/06/18 / 2018-06-12 08:37:39 / June 12, 2018 @ 8:37 am UTC/GMT. Exact location, longitude -124.1291656° West, latitude 40.8808327° North, depth = 9.34 km. The 2.84-magnitude earthquake was detected at 00:37:39 / 12:37 am (local time epicenter).

Event epicenter was 9 km (6 miles) from Eureka (c. 27 200 pop), 4 km (3 miles) from Arcata (c. 17 200 pop), 7 km (4 miles) from Bayside (c. 17 100 pop), 8 km (5 miles) from McKinleyville (c. 15 200 pop), 32 km (20 miles) from Fortuna (c. 11 900 pop). Nearby country/countries that might be effected, United States (c. 310 233 000 pop). Closest city/cities/towns to epicentrum/hypocenter was Fortuna, Eureka, McKinleyville (min 5000 pop).

In the past 24 hours, there have been 0, in the last 10 days two, in the past 30 days six and in the last 365 days fourty-one earthquakes of magnitude 3.0 or greater that has struck near. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. Every year there are an estimated 1,300,000 minor earthquakes in the world.

How would you describe the shaking?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage 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: 4 km WNW of Arcata, CA.

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More information

Parameter Value Description
Magnitude 2.84 mb The magnitude for the event.
Longitude -124.1291656° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 40.8808327° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 9.34 km Depth of the event in kilometers.
Place 4km WNW of Arcata, CA Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-06-12 08:37:39 Time when the event occurred. UTC/GMT
Updated 2018-06-12 08:42:28 Time when the event was most recently updated. UTC/GMT
Timezone offset -480 Timezone offset from UTC in minutes at the event epicenter.
Felt 4 The total number of felt reports
CDI 2.7 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 125 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 18 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.09859 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 172 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type md The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID nc73029301 Id of event.
Event Code 73029301 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,nc73029301, A comma-separated list of event ids that are associated to an event.

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