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Earthquake breaking news, Minor World Earthquakes Magnitude -3.9

Minor earthquake: M3.85 quake has struck near Colma in CA


Earthquake location 37.659832S, -122.5205002WA minor earthquake with magnitude 3.85 (ml/mb) was reported 6 kilometers (4 miles) from Colma in CA on Saturday. Exact time and date of earthquake 05/10/19 / 2019-10-05 15:41:06 / October 5, 2019 @ 3:41 pm UTC/GMT. Exact location of event, longitude -122.5205002 West, latitude 37.659832 North, depth = 7.56 km. The 3.85-magnitude earthquake was detected at 07:41:06 / 7:41 am (local time epicenter). Event ids that are associated to the earthquake: nc73286930. Id of event: nc73286930. The earthquake was roughly at a depth of 7.56 km (5 miles).

Close country/countries that might be effected, United States (c. 310 233 000 pop). Earthquake epicenter was 66 km (41 miles) from San Jose (c. 945 900 pop), 16 km (10 miles) from San Francisco (c. 805 200 pop), 27 km (17 miles) from Oakland (c. 390 700 pop), 48 km (30 miles) from Fremont (c. 214 100 pop), 88 km (55 miles) from Santa Rosa (c. 167 800 pop), 39 km (24 miles) from Hayward (c. 144 200 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Santa Rosa, Santa Cruz, Mountain House.

In the past 24 hours, there have been one, in the last 10 days two, in the past 30 days two and in the last 365 days seventeen earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. Each year there are an estimated 130,000 minor earthquakes 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, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 6 km WSW of Colma, CA. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.85 mb The magnitude for the event.
Longitude -122.5205002° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 37.659832° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 7.56 km Depth of the event in kilometers.
Place 6km WSW of Colma, CA Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2019-10-05 15:41:06 Time when the event occurred. UTC/GMT
Updated 2019-10-05 15:45:54 Time when the event was most recently updated. UTC/GMT
Timezone offset -480 Timezone offset from UTC in minutes at the event epicenter.
Felt 28 The total number of felt reports
CDI 4.1 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 240 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 79 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.04272 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.08 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 108 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 nc73286930 Id of event.
Event Code 73286930 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,nc73286930, A comma-separated list of event ids that are associated to an event.

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