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Minor earthquake 2.81 mag, 14 km SSE of Covelo, CA


Earthquake location 39.698333740234S, -123.13449859619WA minor earthquake magnitude 2.81 (ml/mb) has occurred on Monday, 14 kilometers (9 miles) from Covelo in CA. Exact time and date of event in UTC/GMT: 09/12/24 / 2024-12-09 18:00:17 / December 9, 2024 @ 6:00 pm. Id of earthquake: nc75100201. Event ids that are associated: nc75100201. Exact location of earthquake, longitude -123.13449859619 West, latitude 39.698333740234 North, depth = 4.7199997901917 km. The temblor was detected at 18:00:17 / 6:00 pm (local time epicenter). The earthquake occurred at a depth of 4.7199997901917 km (3 miles).

Nearby country/countries that might be effected, United States (c. 310 233 000 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Fort Bragg, Ukiah. Event epicenter was 61 km (38 miles) from Ukiah (c. 16 100 pop), 64 km (40 miles) from Fort Bragg (c. 7 300 pop).

There are an estimated 1,300,000 minor quakes 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 five and in the last 365 days nineteen earthquakes of magnitude 3.0 or greater that have been detected nearby. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage.

Questions or comments?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home 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: 14 km SSE of Covelo, CA.

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More information

Parameter Value Description
Magnitude 2.81 mb The magnitude for the event.
Longitude -123.13449859619° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 39.698333740234° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 4.7199997901917 km Depth of the event in kilometers.
Place 14 km SSE of Covelo, CA Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2024-12-09 18:00:17 Time when the event occurred. UTC/GMT
Updated 2024-12-09 18:01:58 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 121 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 33 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.06604 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.13 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 36 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 nc75100201 Id of event.
Event Code 75100201 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,nc75100201, A comma-separated list of event ids that are associated to an event.

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