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Minor World Earthquakes Magnitude -3.9

Minor earthquake, 2.9 mag strikes near Petrolia in CA

Earthquake location 40.424S, -124.7556667WA minor earthquake magnitude 2.9 (ml/mb) has occurred on Wednesday, 41 kilometers (25 miles) from Petrolia in CA. Unique identifier: nc73355745. Ids that are associated to the event: nc73355745. Exact location of event, depth 16.93 km, -124.7556667° West, 40.424° North. The temblor was picked up at 15:17:44 / 3:17 pm (local time epicenter). The earthquake was roughly at a depth of 16.93 km (11 miles). Exact time and date of earthquake 18/03/20 / 2020-03-18 23:17:44 / March 18, 2020 @ 11:17 pm UTC/GMT.

Earthquake epicenter was 65 km (41 miles) from Eureka (c. 27 200 pop), 75 km (47 miles) from Arcata (c. 17 200 pop), 75 km (46 miles) from Bayside (c. 17 100 pop), 54 km (34 miles) from Fortuna (c. 11 900 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Arcata, Bayside, Eureka. Country/countries that might be effected, United States (c. 310 233 000 pop).

Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. Every year there are an estimated 130,000 minor earthquakes in the world. In the past 24 hours, there have been one, in the last 10 days seven, in the past 30 days nine and in the last 365 days fourty-nine earthquakes of magnitude 3.0 or greater that have been detected nearby.

Did you feel anything?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 41 km WNW of Petrolia, CA. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 2.9 mb The magnitude for the event.
Longitude -124.7556667° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 40.424° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 16.93 km Depth of the event in kilometers.
Place 41km 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 2020-03-18 23:17:44 Time when the event occurred. UTC/GMT
Updated 2020-03-21 16:59:52 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 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 129 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 18 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.3233 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 297 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mh The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID nc73355745 Id of event.
Event Code 73355745 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,nc73355745, A comma-separated list of event ids that are associated to an event.

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