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Minor earthquake, 2.84 mag strikes near Round Valley in CA

Earthquake location 37.4718323S, -118.637001WA minor earthquake magnitude 2.84 (ml/mb) has occurred on Monday, 7 kilometers (4 miles) from Round Valley in CA. All ids that are associated to the event: nc73461031. Unique identifier: nc73461031. Exact location of event, longitude -118.637001 West, latitude 37.4718323 North, depth = 8.99 km. The 2.84-magnitude earthquake has occurred at 18:31:58 / 6:31 pm (local time epicenter). The earthquake occurred at a depth of 8.99 km (6 miles). Exact time and date of earthquake 21/09/20 / 2020-09-21 18:31:58 / September 21, 2020 @ 6:31 pm UTC/GMT.

Event epicenter was 35 km (22 miles) from Mammoth Lakes (c. 8 200 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Mammoth Lakes. Nearby country/countries that might be effected, United States (c. 310 233 000 pop).

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. In the past 24 hours, there have been one, in the last 10 days four, in the past 30 days seventeen and in the last 365 days five hundred and twenty-two earthquakes of magnitude 3.0 or greater that has occurred nearby.

Did you feel it?

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. 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: 7 km NNW of Round Valley, CA.

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More information

Parameter Value Description
Magnitude 2.84 mb The magnitude for the event.
Longitude -118.637001° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 37.4718323° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 8.99 km Depth of the event in kilometers.
Place 7km NNW of Round Valley, CA Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2020-09-21 18:31:58 Time when the event occurred. UTC/GMT
Updated 2020-09-21 18:37:11 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 124 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 29 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.1322 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.05 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 98 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 nc73461031 Id of event.
Event Code 73461031 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,nc73461031, A comma-separated list of event ids that are associated to an event.

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