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Minor earthquake 2.8 mag, 12 km SSE of Olancha, CA


Earthquake location 36.1756667S, -117.9758333WA minor earthquake magnitude 2.8 (ml/mb) has occurred on Sunday, 12 kilometers (7 miles) from Olancha in CA. All ids that are associated to the event: ci38476007. Unique identifier: ci38476007. The epicenter of the earthquake was roughly 4.04 km (3 miles) below the earth’s surface. Exact location of event, longitude -117.9758333 West, latitude 36.1756667 North, depth = 4.04 km. The temblor was detected at 04:48:03 / 4:48 am (local time epicenter). Exact time and date of earthquake 07/07/19 / 2019-07-07 12:48:03 / July 7, 2019 @ 12:48 pm UTC/GMT.

Closest city/cities/towns to epicentrum/hypocenter was Alta Sierra, Ridgecrest (min 5000 pop). The epicenter was 67 km (42 miles) from Ridgecrest (c. 27 600 pop), 72 km (45 miles) from Alta Sierra (c. 7 000 pop). Nearby country/countries that might be effected, United States (c. 310 233 000 pop).

There are an estimated 1,300,000 minor quakes in the world each year. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. In the past 24 hours, there have been two hundred and sixty-three, in the last 10 days six hundred and fourty-one, in the past 30 days six hundred and fourty-two and in the last 365 days six hundred and fifty-seven earthquakes of magnitude 3.0 or greater that have been detected in the same area.

Questions or comments?

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. 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: 12 km SSE of Olancha, CA.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -117.9758333° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 36.1756667° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 4.04 km Depth of the event in kilometers.
Place 12km SSE of Olancha, CA Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2019-07-07 12:48:03 Time when the event occurred. UTC/GMT
Updated 2019-07-07 12:51:53 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 121 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network ci The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,ci, A comma-separated list of network contributors.
Number of Stations Used 17 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.1138 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.14 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 70 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 ci38476007 Id of event.
Event Code 38476007 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ci38476007, A comma-separated list of event ids that are associated to an event.

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