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Light earthquake 4.97 mag, 78 km SW of Channel Islands Beach, California

Earthquake location 33.8440018S, -119.7161636WA light earthquake with magnitude 4.97 (ml/mb) was detected on Thursday, 78 kilometers (48 miles) from Channel Islands Beach in California. The temblor was picked up at 11:29:16 / 11:29 am (local time epicenter). The earthquake occurred at a depth of 16.82 km (10 miles). A tsunami warning has been issued near Channel Islands Beach in California (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, -119.7161636° West, 33.8440018° North, depth 16.82 km. Date and time of earthquake in UTC/GMT: 05/04/18 / 2018-04-05 19:29:16 / April 5, 2018 @ 7:29 pm. Event id: ci37908735. Ids that are associated to the earthquake: ci37908735, at00p6q8sp.

Country/countries that might be effected, United States (c. 310 233 000 pop). Nearest cities/city/villages to epicentrum/hypocenter was Las Flores, Simi Valley, Malibu Beach (min 5000 pop). Epicenter of the earthquake was 63 km (39 miles) from Oxnard (c. 197 900 pop), 58 km (36 miles) from Oxnard Shores (c. 187 200 pop), 89 km (55 miles) from Thousand Oaks (c. 126 700 pop), 98 km (61 miles) from Simi Valley (c. 124 200 pop), 62 km (39 miles) from Ventura (c. 96 800 pop), 64 km (40 miles) from Santa Barbara (c. 88 400 pop), 75 km (47 miles) from Camarillo (c. 65 200 pop).

Each year there are an estimated 13,000 light earthquakes in the world. 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 eleven earthquakes of magnitude 3.0 or greater that was reported 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. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 78 km SW of Channel Islands Beach, California.

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More information

Parameter Value Description
Magnitude 4.97 mb The magnitude for the event.
Longitude -119.7161636° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 33.8440018° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 16.82 km Depth of the event in kilometers.
Place 78km SW of Channel Islands Beach, California Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-04-05 19:29:16 Time when the event occurred. UTC/GMT
Updated 2018-04-05 19:32:18 Time when the event was most recently updated. UTC/GMT
Timezone offset -480 Timezone offset from UTC in minutes at the event epicenter.
Felt 10 The total number of felt reports
CDI 3.8 The maximum reported intensity for the event.
MMI 3.91 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 1 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 384 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,at, A comma-separated list of network contributors.
Number of Stations Used 75 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.5624 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.22 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 127 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 ci37908735 Id of event.
Event Code 37908735 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ci37908735,at00p6q8sp, A comma-separated list of event ids that are associated to an event.

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