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Earthquake breaking news, Minor World Earthquakes Magnitude -3.9

Minor earthquake, 2.94 mag was detected near Mammoth Lakes in CA


Earthquake location 37.4798317S, -118.9488297WA minor earthquake magnitude 2.94 (ml/mb) has struck on Wednesday, 18 kilometers (11 miles) from Mammoth Lakes in CA. Exact location, longitude -118.9488297° West, latitude 37.4798317° North, depth = 3.5 km. All ids that are associated to the event: nc72942661. Unique identifier: nc72942661. The earthquake occurred at a depth of 3.5 km (2 miles) below the earth’s surface. Exact time and date of event in UTC/GMT: 20/12/17 / 2017-12-20 19:15:04 / December 20, 2017 @ 7:15 pm. The 2.94-magnitude earthquake was detected at 11:15:04 / 11:15 am (local time epicenter).

Nearby country/countries that might be effected, United States (c. 310 233 000 pop). Event epicenter was 19 km (12 miles) from Mammoth Lakes (c. 8 200 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Mammoth Lakes.

In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days four and in the last 365 days seventy-two earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. There are an estimated 130,000 minor earthquakes in the world each year.

Questions or comments?

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. 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 S of Mammoth Lakes, CA.

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More information

Parameter Value Description
Magnitude 2.94 mb The magnitude for the event.
Longitude -118.9488297° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 37.4798317° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 3.5 km Depth of the event in kilometers.
Place 18km S of Mammoth Lakes, CA Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-12-20 19:15:04 Time when the event occurred. UTC/GMT
Updated 2017-12-20 19:18:30 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 133 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 4 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.2375 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.06 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 225 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 nc72942661 Id of event.
Event Code 72942661 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,nc72942661, A comma-separated list of event ids that are associated to an event.

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