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Earthquake breaking news, Minor World Earthquakes Magnitude -3.9

Minor earthquake, 3.6 mag has occurred near Petrolia in CA


Earthquake location 40.3180008S, -124.4218369WA minor earthquake with magnitude 3.6 (ml/mb) was reported 12 kilometers (7 miles) from Petrolia in CA on Saturday. Global time and date of event 03/02/19 / 2019-02-03 01:38:24 / February 3, 2019 @ 1:38 am UTC/GMT. The 3.6-magnitude earthquake has occurred at 17:38:24 / 5:38 pm (local time epicenter). The epicenter was at a depth of 6.88 km (4 miles). All ids that are associated to the event: nc73139181. Unique identifier: nc73139181. Exact location, longitude -124.4218369° West, latitude 40.3180008° North, depth = 6.88 km.

Nearby country/countries that might be effected, United States (c. 310 233 000 pop). Earthquake epicenter was 58 km (36 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), 75 km (47 miles) from McKinleyville (c. 15 200 pop), 38 km (24 miles) from Fortuna (c. 11 900 pop). Nearest cities/city/towns to hypocenter/epicentrum was McKinleyville, Arcata, Bayside (min 5000 pop).

Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. In the past 24 hours, there have been five, in the last 10 days six, in the past 30 days eleven and in the last 365 days fourty-six earthquakes of magnitude 3.0 or greater that have been detected in the same area. Each year there are an estimated 130,000 minor quakes in the world.

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

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More information

Parameter Value Description
Magnitude 3.6 mb The magnitude for the event.
Longitude -124.4218369° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 40.3180008° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 6.88 km Depth of the event in kilometers.
Place 12km 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 2019-02-03 01:38:24 Time when the event occurred. UTC/GMT
Updated 2019-02-03 01:51:12 Time when the event was most recently updated. UTC/GMT
Timezone offset -480 Timezone offset from UTC in minutes at the event epicenter.
Felt 1 The total number of felt reports
CDI 2 The maximum reported intensity for the event.
MMI 4.41 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 200 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 14 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.134 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.13 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 253 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 nc73139181 Id of event.
Event Code 73139181 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,nc73139181, A comma-separated list of event ids that are associated to an event.

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