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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.99 mag has occurred near Petrolia in CA

Earthquake location 40.4111671S, -124.6018295WA light earthquake with magnitude 4.99 (ml/mb) was reported 28 kilometers (17 miles) from Petrolia in CA on Sunday. Unique identifier: nc73390330. Ids that are associated to the event: nc73390330. Exact location of earthquake, longitude -124.6018295 West, latitude 40.4111671 North, depth = 14.44 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Date and time of earthquake in UTC/GMT: 18/05/20 / 2020-05-18 07:03:05 / May 18, 2020 @ 7:03 am. The 4.99-magnitude earthquake was detected at 23:03:05 / 11:03 pm (local time epicenter). The epicenter of the earthquake was roughly 14.44 km (9 miles) below the earth’s surface.

Nearby country/countries that might be effected, United States (c. 310 233 000 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was McKinleyville, Arcata, Bayside. The epicenter was 57 km (35 miles) from Eureka (c. 27 200 pop), 67 km (42 miles) from Arcata (c. 17 200 pop), 66 km (41 miles) from Bayside (c. 17 100 pop), 73 km (45 miles) from McKinleyville (c. 15 200 pop), 43 km (27 miles) from Fortuna (c. 11 900 pop).

In the past 24 hours, there have been two, in the last 10 days two, in the past 30 days six and in the last 365 days fifty-three earthquakes of magnitude 3.0 or greater that have been detected nearby. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. Every year there are an estimated 13,000 light earthquakes in the world.

Did you feel it?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city 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: 28 km WNW of Petrolia, CA.

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More information

Parameter Value Description
Magnitude 4.99 mb The magnitude for the event.
Longitude -124.6018295° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 40.4111671° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 14.44 km Depth of the event in kilometers.
Place 28km WNW of Petrolia, CA Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2020-05-18 07:03:05 Time when the event occurred. UTC/GMT
Updated 2020-05-18 07:09:41 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 1.91 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 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 383 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 13 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.2118 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.2 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 325 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mw The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID nc73390330 Id of event.
Event Code 73390330 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,nc73390330, A comma-separated list of event ids that are associated to an event.

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