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Minor earthquake 2.83 mag, 44 km NE of Mammoth Lakes, California


Earthquake location 37.9786682S, -118.6696701WA minor earthquake magnitude 2.83 (ml/mb) has struck on Wednesday, 44 kilometers (27 miles) from Mammoth Lakes in California. The temblor was picked up at 23:44:17 / 11:44 pm (local time epicenter). The earthquake was roughly at a depth of 8.48 km (5 miles). Exact location of earthquake, -118.6696701° West, 37.9786682° North, depth 8.48 km. Exact time and date of event in UTC/GMT: 19/10/17 / 2017-10-19 07:44:17 / October 19, 2017 @ 7:44 am. Event id: nc72911391. Ids that are associated to the earthquake: nc72911391, nn00609778.

Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Mammoth Lakes. Epicenter of the earthquake was 45 km (28 miles) from Mammoth Lakes (c. 8 200 pop). Close country/countries that might be effected, United States (c. 310 233 000 pop).

In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days six and in the last 365 days sixty-eight earthquakes of magnitude 3.0 or greater that has struck near. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. Each year there are an estimated 1,300,000 minor quakes in the world.

How would you describe the shaking?

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: 44 km NE of Mammoth Lakes, California.

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More information

Parameter Value Description
Magnitude 2.83 mb The magnitude for the event.
Longitude -118.6696701° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 37.9786682° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 8.48 km Depth of the event in kilometers.
Place 44km NE 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 2017-10-19 07:44:17 Time when the event occurred. UTC/GMT
Updated 2017-10-19 07:51:03 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 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 123 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,nn, A comma-separated list of network contributors.
Number of Stations Used 35 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.3016 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.07 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 73 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 nc72911391 Id of event.
Event Code 72911391 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,nc72911391,nn00609778, A comma-separated list of event ids that are associated to an event.

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