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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.01 mag, 10 km SE of Olancha, CA


Earthquake location 36.2146683S, -117.9319992WA light earthquake with magnitude 4.01 (ml/mb) was reported 10 kilometers (6 miles) from Olancha in CA on Friday. The temblor was reported at 23:57:13 / 11:57 pm (local time epicenter). Event ids that are associated to the earthquake: ci39550567, ew1613174233. Id of event: ci39550567. Exact location of earthquake, -117.9319992° West, 36.2146683° North, depth 2.44 km. The earthquake was roughly at a depth of 2.44 km (2 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Global time and date of event 12/02/21 / 2021-02-12 23:57:13 / February 12, 2021 @ 11:57 pm UTC/GMT.

Nearest cities/city/towns to hypocenter/epicentrum was Alta Sierra, Ridgecrest (min 5000 pop). Earthquake epicenter was 70 km (43 miles) from Ridgecrest (c. 27 600 pop), 77 km (48 miles) from Alta Sierra (c. 7 000 pop). Close country/countries that might be effected, United States (c. 310 233 000 pop).

Each year there are an estimated 13,000 light quakes in the world. In the past 24 hours, there have been one, in the last 10 days two, in the past 30 days nine and in the last 365 days one hundred and eighteen earthquakes of magnitude 3.0 or greater that has occurred nearby. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

How would you describe the shaking?

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: 10 km SE of Olancha, CA.

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More information

Parameter Value Description
Magnitude 4.01 mb The magnitude for the event.
Longitude -117.9319992° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 36.2146683° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 2.44 km Depth of the event in kilometers.
Place 10km SE 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 2021-02-12 23:57:13 Time when the event occurred. UTC/GMT
Updated 2021-02-12 23:59:21 Time when the event was most recently updated. UTC/GMT
Timezone offset 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 247 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,ew, A comma-separated list of network contributors.
Number of Stations Used 47 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.1068 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.17 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 63 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mlr The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID ci39550567 Id of event.
Event Code 39550567 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ci39550567,ew1613174233, A comma-separated list of event ids that are associated to an event.

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