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Earthquake: M 2.66 quake strikes near Daly City in California



Earthquake location 37.7519989S, -122.5530014WA minor earthquake magnitude 2.66 (mg/mb) has occurred on Friday, 9 kilometers (6 miles) from Daly City in California. The temblor was reported at 05:23:36 / 5:23 pm (local time epicenter) at a depth of 7.96 km (5 miles). Global time of event 2015-01-31 01:23:36 UTC/GMT. A tsunami warning has not been issued, according to the U.S. Geological Survey. Exact location of event, longitude -122.5530014 West, latitude 37.7519989 North, depth 7.96 km.

Close countries, United States (c. 310 233 000 pop). The epicenter was 74 km (46 miles) from San Jose (c. 945 900 pop), 12 km (7 miles) from San Francisco (c. 805 200 pop), 25 km (16 miles) from Oakland (c. 390 700 pop), 55 km (34 miles) from Fremont (c. 214 100 pop), 43 km (26 miles) from Hayward (c. 144 200 pop). Nearest city, towns to epicentrum/hypocenter was Campbell, San Jose, Saratoga.

Did you feel it?

Leave a comment or report about shaking, activity and damage at your home, city and country. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded in: 9 km WNW of Daly City, California.



More information

Parameter Value Description
Magnitude 2.66 mb The magnitude for the event.
Longitude -122.5530014° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 37.7519989° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 7.96 km Depth of the event in kilometers.
Place 9km WNW of Daly City, California Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-01-31 01:23:36 Time when the event occurred. UTC/GMT
Updated 2015-01-31 01:28:06 Time when the event was most recently updated. UTC/GMT
Timezone offset -480 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 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 109 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 72 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.07544 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.05 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 96 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 nc72389391 Id of event.
Event Code 72389391 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS nc72389391 A comma-separated list of event ids that are associated to an event.

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