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Minor earthquake, 2.85 mag has occurred near Hydesville in CA

Earthquake location 40.590332S, -124.0070038WA minor earthquake with magnitude 2.85 (ml/mb) was reported 9 kilometers (6 miles) from Hydesville in CA on Friday. The epicenter of the earthquake was roughly 22.15 km (14 miles) below the earth’s surface. Unique identifier: nc73484551. Ids that are associated to the event: nc73484551. Global date and time of event UTC/GMT: 20/11/20 / 2020-11-20 01:20:52 / November 20, 2020 @ 1:20 am. Exact location of earthquake, longitude -124.0070038 West, latitude 40.590332 North, depth = 22.15 km. The temblor was picked up at 01:20:52 / 1:20 am (local time epicenter).

Earthquake epicenter was 27 km (17 miles) from Eureka (c. 27 200 pop), 31 km (19 miles) from Arcata (c. 17 200 pop), 28 km (18 miles) from Bayside (c. 17 100 pop), 40 km (25 miles) from McKinleyville (c. 15 200 pop), 13 km (8 miles) from Fortuna (c. 11 900 pop). Nearest cities/city/towns to hypocenter/epicentrum was McKinleyville, Arcata, Bayside (min 5000 pop). Close country/countries that might be effected, United States (c. 310 233 000 pop).

There are an estimated 1,300,000 minor earthquakes in the world each year. 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 fifty earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage.

Did you feel it?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity 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: 9 km ENE of Hydesville, CA.

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More information

Parameter Value Description
Magnitude 2.85 mb The magnitude for the event.
Longitude -124.0070038° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 40.590332° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 22.15 km Depth of the event in kilometers.
Place 9km ENE of Hydesville, CA Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2020-11-20 01:20:52 Time when the event occurred. UTC/GMT
Updated 2020-11-20 01:22:25 Time when the event was most recently updated. UTC/GMT
Timezone offset 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 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 0.1935 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 110 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 nc73484551 Id of event.
Event Code 73484551 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,nc73484551, A comma-separated list of event ids that are associated to an event.

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