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Minor earthquake 2.8 mag, 49 km NNE of Mammoth Lakes, California


Earthquake location 38.0506S, -118.7183WA minor earthquake with magnitude 2.8 (ml/mb) was detected on Saturday, 49 kilometers (30 miles) from Mammoth Lakes in California. Unique identifier: nn00722149. Ids that are associated to the event: nn00722149. Date and time of earthquake in UTC/GMT: 11/04/20 / 2020-04-11 14:39:50 / April 11, 2020 @ 2:39 pm. The epicenter of the earthquake was roughly 9.1 km (6 miles) below the earth’s surface. The temblor was reported at 06:39:50 / 6:39 am (local time epicenter). Exact location of event, longitude -118.7183 West, latitude 38.0506 North, depth = 9.1 km.

Epicenter of the event was 50 km (31 miles) from Mammoth Lakes (c. 8 200 pop). Nearest cities/city/towns to hypocenter/epicentrum was Mammoth Lakes (min 5000 pop). Nearby country/countries, United States (c. 310 233 000 pop) (That might be effected).

Every 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 twenty-one, in the last 10 days twenty-two, in the past 30 days twenty-four and in the last 365 days fifty-seven earthquakes of magnitude 3.0 or greater that has occurred nearby.

Did you feel anything?

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. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 49 km NNE of Mammoth Lakes, California.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -118.7183° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 38.0506° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 9.1 km Depth of the event in kilometers.
Place 49km NNE of Mammoth Lakes, California Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2020-04-11 14:39:50 Time when the event occurred. UTC/GMT
Updated 2020-04-13 02:00:47 Time when the event was most recently updated. UTC/GMT
Timezone offset -480 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 reviewed 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 nn The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,nn, A comma-separated list of network contributors.
Number of Stations Used 8 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.262 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.1768 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 89.94 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type ml The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID nn00722149 Id of event.
Event Code 00722149 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,nn00722149, A comma-separated list of event ids that are associated to an event.

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