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Minor earthquake, 2.84 mag strikes near Mammoth Lakes in California


Earthquake location 37.5950012S, -118.8833313WA minor earthquake magnitude 2.84 (ml/mb) strikes 9 kilometers (6 miles) from Mammoth Lakes in California on Sunday. Exact location of earthquake, longitude -118.8833313 West, latitude 37.5950012 North, depth = 1.89 km. Exact time and date of event in UTC/GMT: 18/10/15 / 2015-10-18 21:54:16 / October 18, 2015 @ 9:54 pm. The epicenter of the earthquake was roughly 1.89 km (1 miles) below the earth’s surface. The temblor was reported at 14:54:16 / 2:54 pm (local time epicenter). Event id: nc72540075. Ids that are associated to the earthquake: nc72540075.

Closest city/cities/towns to epicentrum/hypocenter was Mammoth Lakes (min 5000 pop). Earthquake epicenter was 10 km (6 miles) from Mammoth Lakes (c. 8 200 pop). Close country/countries, United States (c. 310 233 000 pop) (That might be effected).

In the past 24 hours, there have been 0, in the last 10 days 0, in the past 30 days 0 and in the last 365 days thirty earthquakes of magnitude 3.0 or greater that has occurred nearby. 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.

Did you feel anything?

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. 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: 9 km SE of Mammoth Lakes, California.

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More information

Parameter Value Description
Magnitude 2.84 mb The magnitude for the event.
Longitude -118.8833313° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 37.5950012° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 1.89 km Depth of the event in kilometers.
Place 9km SE 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 2015-10-18 21:54:16 Time when the event occurred. UTC/GMT
Updated 2015-10-18 21:59:05 Time when the event was most recently updated. UTC/GMT
Timezone offset -420 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 1 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 34 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.0289 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 88 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 nc72540075 Id of event.
Event Code 72540075 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,nc72540075, A comma-separated list of event ids that are associated to an event.

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