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Minor earthquake, 2.88 mag has occurred near Petrolia in CA

Earthquake location 40.3434982S, -124.3496704WA minor earthquake with magnitude 2.88 (ml/mb) was reported 6 kilometers (4 miles) from Petrolia in CA on Tuesday. Event id: nc73449406. Ids that are associated to the earthquake: nc73449406. Exact time and date of earthquake 25/08/20 / 2020-08-25 12:00:46 / August 25, 2020 @ 12:00 pm UTC/GMT. The earthquake occurred at a depth of 16.85 km (10 miles) below the earth’s surface. The 2.88-magnitude earthquake was detected at 12:00:46 / 12:00 pm (local time epicenter). Exact location, longitude -124.3496704° West, latitude 40.3434982° North, depth = 16.85 km.

Nearby country/countries that might be effected, United States (c. 310 233 000 pop). Epicenter of the event was 53 km (33 miles) from Eureka (c. 27 200 pop), 62 km (39 miles) from Arcata (c. 17 200 pop), 60 km (38 miles) from Bayside (c. 17 100 pop), 70 km (44 miles) from McKinleyville (c. 15 200 pop), 33 km (20 miles) from Fortuna (c. 11 900 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was McKinleyville, Arcata, Bayside.

There are an estimated 1,300,000 minor quakes in the world each year. In the past 24 hours, there have been 0, in the last 10 days 0, in the past 30 days two and in the last 365 days fourty-nine earthquakes of magnitude 3.0 or greater that has struck near. Earthquakes 2.5 to 2.9 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: 6 km WNW of Petrolia, CA. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 2.88 mb The magnitude for the event.
Longitude -124.3496704° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 40.3434982° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 16.85 km Depth of the event in kilometers.
Place 6km 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 2020-08-25 12:00:46 Time when the event occurred. UTC/GMT
Updated 2020-08-25 12:02:24 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 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 128 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 9 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.05526 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.06 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 213 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 nc73449406 Id of event.
Event Code 73449406 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,nc73449406, A comma-separated list of event ids that are associated to an event.

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