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Minor earthquake 2.85 mag, 18 km SSE of Blue Lake, CA

Earthquake location 40.741333S, -123.883667WA minor earthquake magnitude 2.85 (ml/mb) has occurred on Monday, 18 kilometers (11 miles) from Blue Lake in CA. Event id: nc73354845. Ids that are associated to the earthquake: nc73354845. The temblor was reported at 19:31:37 / 7:31 pm (local time epicenter). The epicenter was at a depth of 25.43 km (16 miles). Global date and time of event UTC/GMT: 17/03/20 / 2020-03-17 03:31:37 / March 17, 2020 @ 3:31 am. Exact location of event, longitude -123.883667 West, latitude 40.741333 North, depth = 25.43 km.

Nearest cities/city/villages to epicentrum/hypocenter was McKinleyville, Fortuna, Eureka (min 5000 pop). Close country/countries that might be effected, United States (c. 310 233 000 pop). Earthquake epicenter was 25 km (15 miles) from Eureka (c. 27 200 pop), 22 km (14 miles) from Arcata (c. 17 200 pop), 19 km (12 miles) from Bayside (c. 17 100 pop), 29 km (18 miles) from McKinleyville (c. 15 200 pop), 28 km (17 miles) from Fortuna (c. 11 900 pop).

In the past 24 hours, there have been 0, in the last 10 days two, in the past 30 days four and in the last 365 days fourty-five earthquakes of magnitude 3.0 or greater that have been detected in the same area. Each year there are an estimated 1,300,000 minor earthquakes in the world. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage.

Questions or comments?

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: 18 km SSE of Blue Lake, CA.

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More information

Parameter Value Description
Magnitude 2.85 mb The magnitude for the event.
Longitude -123.883667° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 40.741333° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 25.43 km Depth of the event in kilometers.
Place 18km SSE of Blue Lake, CA Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2020-03-17 03:31:37 Time when the event occurred. UTC/GMT
Updated 2020-03-17 03:36:03 Time when the event was most recently updated. UTC/GMT
Timezone offset -480 Timezone offset from UTC in minutes at the event epicenter.
Felt 1 The total number of felt reports
CDI 2.2 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 21 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.1407 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.11 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 113 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 nc73354845 Id of event.
Event Code 73354845 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,nc73354845, A comma-separated list of event ids that are associated to an event.

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