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Earthquake breaking news, Minor World Earthquakes Magnitude -3.9

Minor earthquake 3.39 mag, 6 km WNW of The Geysers, California


Earthquake location 38.8061676S, -122.8183365WA minor earthquake with magnitude 3.39 (ml/mb) was reported 6 kilometers (4 miles) from The Geysers in California on Sunday. The earthquake occurred at a depth of 0.14 km (0 miles) below the earth’s surface. Exact time and date of event in UTC/GMT: 18/10/15 / 2015-10-18 13:16:34 / October 18, 2015 @ 1:16 pm. The temblor was picked up at 06:16:34 / 6:16 am (local time epicenter). Exact location of earthquake, -122.8183365° West, 38.8061676° North, depth 0.14 km. All ids that are associated to the event: nc72539720. Unique identifier: nc72539720.

Epicenter of the earthquake 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), 81 km (50 miles) from Novato (c. 51 900 pop), 53 km (33 miles) from Rohnert Park (c. 41 000 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Novato, Winters, Napa. Close country/countries that might be effected, United States (c. 310 233 000 pop).

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

How would you describe the shaking?

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, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 6 km WNW of The Geysers, California. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.39 mb The magnitude for the event.
Longitude -122.8183365° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 38.8061676° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 0.14 km Depth of the event in kilometers.
Place 6km WNW of The Geysers, California Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-10-18 13:16:34 Time when the event occurred. UTC/GMT
Updated 2015-10-18 13:37:05 Time when the event was most recently updated. UTC/GMT
Timezone offset -420 Timezone offset from UTC in minutes at the event epicenter.
Felt 13 The total number of felt reports
CDI 3.8 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 182 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 40 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.01809 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 45 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 nc72539720 Id of event.
Event Code 72539720 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,nc72539720, A comma-separated list of event ids that are associated to an event.

1 Comment

  1. Geraldine Nathan

    Felt approx 6:15 in Calistoga Ca. Light double rumble/jolt. On Lawley Road 2miles northwest of downtown Calistoga.

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