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Earthquake breaking news, Minor World Earthquakes Magnitude -3.9

Minor earthquake: M3 quake has struck near Petrolia in CA


Earthquake location 40.4498333S, -125.9536667WA minor earthquake magnitude 3 (ml/mb) has struck on Sunday, 142 km W of Petrolia, CA (88 miles). The 3-magnitude earthquake has occurred at 03:10:59 / 3:10 am (local time epicenter). Global date and time of event UTC/GMT: 21/02/21 / 2021-02-21 03:10:59 / February 21, 2021 @ 3:10 am. Id of earthquake: nc73525776. Event ids that are associated: nc73525776, us6000djt4. Exact location of earthquake, -125.9536667° West, 40.4498333° North, depth 14.05 km. The epicenter of the earthquake was roughly 14.05 km (9 miles) below the earth’s surface.

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

Questions or comments?

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: 142 km W of Petrolia, CA. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3 mb The magnitude for the event.
Longitude -125.9536667° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 40.4498333° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 14.05 km Depth of the event in kilometers.
Place 142km W 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 2021-02-21 03:10:59 Time when the event occurred. UTC/GMT
Updated 2021-02-22 19:16:00 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 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 138 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,us, A comma-separated list of network contributors.
Number of Stations Used 34 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 1.233 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.24 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 278 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 nc73525776 Id of event.
Event Code 73525776 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,nc73525776,us6000djt4, A comma-separated list of event ids that are associated to an event.

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