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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.01 mag, 1 km N of Piedmont, California

Earthquake location 37.8365S, -122.2321667WA light earthquake with magnitude 4.01 (ml/mb) was reported 1 kilometers (1 miles) from Piedmont in California on Monday. Exact time and date of event in UTC/GMT: 17/08/15 / 2015-08-17 13:49:17 / August 17, 2015 @ 1:49 pm. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The 4.01-magnitude earthquake has occurred at 06:49:17 / 6:49 am (local time epicenter). Id of earthquake: nc72507396. Event ids that are associated: nc72507396, us100032v0. The earthquake occurred at a depth of 4.82 km (3 miles). Exact location of earthquake, longitude -122.2321667 West, latitude 37.8365 North, depth = 4.82 km.

Nearest cities/city/villages to epicentrum/hypocenter was Lodi, Davis, Scotts Valley (min 5000 pop). The epicenter was 63 km (39 miles) from San Jose (c. 945 900 pop), 18 km (11 miles) from San Francisco (c. 805 200 pop), 5 km (3 miles) from Oakland (c. 390 700 pop), 84 km (52 miles) from Stockton (c. 291 700 pop), 39 km (24 miles) from Fremont (c. 214 100 pop), 79 km (49 miles) from Santa Rosa (c. 167 800 pop). Close country/countries, United States (c. 310 233 000 pop) (That might be effected).

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 twenty-nine earthquakes of magnitude 3.0 or greater that was reported nearby. Every year there are an estimated 13,000 light earthquakes in the world. Earthquakes 4.0 to 5.0 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. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 1 km N of Piedmont, California.

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More information

Parameter Value Description
Magnitude 4.01 mb The magnitude for the event.
Longitude -122.2321667° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 37.8365° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 4.82 km Depth of the event in kilometers.
Place 1km N of Piedmont, California Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-08-17 13:49:17 Time when the event occurred. UTC/GMT
Updated 2015-08-18 07:18:12 Time when the event was most recently updated. UTC/GMT
Timezone offset -420 Timezone offset from UTC in minutes at the event epicenter.
Felt 14456 The total number of felt reports
CDI 5.2 The maximum reported intensity for the event.
MMI 5.77 The maximum estimated instrumental intensity for the event.
Alert Level green The alert level from the PAGER earthquake impact scale. Green, Yellow, Orange or Red.
Review Status reviewed 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 767 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,us, A comma-separated list of network contributors.
Number of Stations Used 268 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.01185 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.15 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 12 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mw The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID nc72507396 Id of event.
Event Code 72507396 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,nc72507396,us100032v0, A comma-separated list of event ids that are associated to an event.

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