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Minor earthquake 2.87 mag, 63 km W of Petrolia, CA

Earthquake location 40.4016685S, -125.0224991WA minor earthquake with magnitude 2.87 (ml/mb) was reported 63 kilometers (39 miles) from Petrolia in CA on Sunday. The epicenter was at a depth of -0.52 km (-0 miles). Exact location of earthquake, -125.0224991° West, 40.4016685° North, depth -0.52 km. Unique identifier: nc73274320. Ids that are associated to the event: nc73274320. Global date and time of event UTC/GMT: 15/09/19 / 2019-09-15 22:15:29 / September 15, 2019 @ 10:15 pm. The temblor was detected at 14:15:29 / 2:15 pm (local time epicenter).

Earthquake epicenter was 76 km (47 miles) from Fortuna (c. 11 900 pop). 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 Fortuna.

In the past 24 hours, there have been 0, in the last 10 days one, in the past 30 days one and in the last 365 days fifty-three earthquakes of magnitude 3.0 or greater that have been detected in the same area. Each year there are an estimated 1,300,000 minor earthquakes in the world. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage.

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. 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: 63 km W of Petrolia, CA.

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More information

Parameter Value Description
Magnitude 2.87 mb The magnitude for the event.
Longitude -125.0224991° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 40.4016685° North Decimal degrees latitude. Negative values for southern latitudes.
Depth -0.52 km Depth of the event in kilometers.
Place 63km 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 2019-09-15 22:15:29 Time when the event occurred. UTC/GMT
Updated 2019-09-15 22:18:24 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 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 127 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 12 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.5318 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.21 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 283 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type md The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID nc73274320 Id of event.
Event Code 73274320 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,nc73274320, A comma-separated list of event ids that are associated to an event.

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