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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.01 mag strikes near Mammoth Lakes in California


Earthquake location 37.597168S, -118.7881699WA light earthquake magnitude 4.01 (ml/mb) has occurred on Saturday, 17 kilometers (11 miles) from Mammoth Lakes in California. Exact location of earthquake, longitude -118.7881699 West, latitude 37.597168 North, depth = 7.1 km. The 4.01-magnitude earthquake was detected at 06:34:48 / 6:34 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The epicenter was at a depth of 7.1 km (4 miles). Id of earthquake: nc72510456. Event ids that are associated: nc72510456. Global time and date of event 22/08/15 / 2015-08-22 13:34:48 / August 22, 2015 @ 1:34 pm UTC/GMT.

Nearest cities/city/villages to epicentrum/hypocenter was Mammoth Lakes (min 5000 pop). Nearby country/countries that might be effected, United States (c. 310 233 000 pop). The epicenter was 17 km (11 miles) from Mammoth Lakes (c. 8 200 pop).

In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days one and in the last 365 days sixty-five earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. Each year there are an estimated 13,000 light quakes in the world.

Questions or comments?

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 information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 17 km ESE of Mammoth Lakes, California.

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More information

Parameter Value Description
Magnitude 4.01 mb The magnitude for the event.
Longitude -118.7881699° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 37.597168° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 7.1 km Depth of the event in kilometers.
Place 17km ESE 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 2015-08-22 13:34:48 Time when the event occurred. UTC/GMT
Updated 2015-08-22 13:46:42 Time when the event was most recently updated. UTC/GMT
Timezone offset -420 Timezone offset from UTC in minutes at the event epicenter.
Felt 12 The total number of felt reports
CDI 4.5 The maximum reported intensity for the event.
MMI 3.78 The maximum estimated instrumental intensity for the event.
Alert Level green 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 253 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 32 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.03329 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.04 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 92 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 nc72510456 Id of event.
Event Code 72510456 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,nc72510456, A comma-separated list of event ids that are associated to an event.

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