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Major earthquake, 7 mag was detected near Ferndale in California


Earthquake location 40.2988S, -125.3768WA major earthquake magnitude 7 (ml/mb) has struck on Thursday, 99 kilometers (62 miles) from Ferndale in California. A tsunami warning has been issued near Ferndale in California (Does not indicate if a tsunami actually did or will exist). Date and time of earthquake in UTC/GMT: 05/12/24 / 2024-12-05 18:44:16 / December 5, 2024 @ 6:44 pm. The epicenter was at a depth of 10 km (6 miles). Unique identifier: us7000nw7b. Ids that are associated to the event: ew1733424270, nc75095651, at00so1aq0, us7000nw7b, pt24340001. Exact location of event, longitude -125.3768 West, latitude 40.2988 North, depth = 10 km. The 7-magnitude earthquake was detected at 18:44:16 / 6:44 pm (local time epicenter).

Earthquake epicenter was 117 km (73 miles) from Eureka (c. 27 200 pop), 126 km (78 miles) from Arcata (c. 17 200 pop), 126 km (78 miles) from Bayside (c. 17 100 pop), 130 km (81 miles) from McKinleyville (c. 15 200 pop), 108 km (67 miles) from Fortuna (c. 11 900 pop). Close country/countries that might be effected, United States (c. 310 233 000 pop). Nearest cities/city/towns to hypocenter/epicentrum was McKinleyville, Bayside, Arcata (min 5000 pop).

Each year there are an estimated 15 major earthquakes in the world. Earthquakes 7.0 to 7.9 may cause serious damage. In the past 24 hours, there have been three, in the last 10 days seven, in the past 30 days eight and in the last 365 days fourty earthquakes of magnitude 3.0 or greater that have been detected in the same area.

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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 99 km WSW of Ferndale, California. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 7 mb The magnitude for the event.
Longitude -125.3768° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 40.2988° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 99 km WSW of Ferndale, California Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2024-12-05 18:44:16 Time when the event occurred. UTC/GMT
Updated 2024-12-05 18:58:00 Time when the event was most recently updated. UTC/GMT
Timezone offset Timezone offset from UTC in minutes at the event epicenter.
Felt 9 The total number of felt reports
CDI 3.4 The maximum reported intensity for the event.
MMI 7.242 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 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 757 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network us The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,ew,nc,at,us,pt, A comma-separated list of network contributors.
Number of Stations Used 73 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.791 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.81 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 231 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mww The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us7000nw7b Id of event.
Event Code 7000nw7b An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ew1733424270,nc75095651,at00so1aq0,us7000nw7b,pt24340001, A comma-separated list of event ids that are associated to an event.

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