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Minor earthquake, 2.84 mag has occurred near The Geysers in CA


Earthquake location 38.8125S, -122.8010025WA minor earthquake with magnitude 2.84 (ml/mb) was detected on Friday, 6 kilometers (4 miles) from The Geysers in CA. Exact location of earthquake, longitude -122.8010025 West, latitude 38.8125 North, depth = 1.16 km. The temblor was detected at 19:05:05 / 7:05 pm (local time epicenter). The earthquake was roughly at a depth of 1.16 km (1 miles). Event id: nc73102701. Ids that are associated to the earthquake: nc73102701. Exact time and date of event in UTC/GMT: 27/10/18 / 2018-10-27 03:05:05 / October 27, 2018 @ 3:05 am.

Nearby country/countries that might be effected, United States (c. 310 233 000 pop). Closest city/cities/towns to epicentrum/hypocenter was Napa, Williams, Petaluma (min 5000 pop). Earthquake epicenter was 42 km (26 miles) from Santa Rosa (c. 167 800 pop), 73 km (45 miles) from Napa (c. 76 900 pop), 66 km (41 miles) from Petaluma (c. 57 900 pop), 53 km (33 miles) from Rohnert Park (c. 41 000 pop), 30 km (18 miles) from Windsor (c. 26 800 pop).

There are an estimated 1,300,000 minor earthquakes 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 one and in the last 365 days twenty-nine earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage.

Did you feel it?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage 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: 6 km NW of The Geysers, CA.

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More information

Parameter Value Description
Magnitude 2.84 mb The magnitude for the event.
Longitude -122.8010025° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 38.8125° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 1.16 km Depth of the event in kilometers.
Place 6km NW of The Geysers, CA Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-10-27 03:05:05 Time when the event occurred. UTC/GMT
Updated 2018-10-27 03:10:05 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 124 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 28 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.01298 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.04 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 55 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 nc73102701 Id of event.
Event Code 73102701 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,nc73102701, A comma-separated list of event ids that are associated to an event.

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