An earthquake with magnitude 3.4 mg/mb has occurred in 8 km SSW of Napa, California. Time of event: Sunday 31st August @ 8:56 am UTC. Location of event: -122.3352S, 38.2333W, depth=10.6 km. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about quake recorded in: 8 km SSW of Napa, California. Did you feel it? Leave a comment or report about shaking, activity and damage at your home, city and country.
More information
Parameter | Value | Description |
---|---|---|
Magnitude | 3.4 mb | The magnitude for the event. |
Longitude | -122.3352° West | Decimal degrees longitude. Negative values for western longitudes. |
Latitude | 38.2333° North | Decimal degrees latitude. Negative values for southern latitudes. |
Depth | 10.6 km | Depth of the event in kilometers. |
Place | 8km SSW of Napa, California | Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name. |
Time | 2014-08-31 08:56:20 | Time when the event occurred. UTC/GMT |
Updated | 2014-08-31 08:59:25 | Time when the event was most recently updated. UTC/GMT |
Timezone offset | -420 | Timezone offset from UTC in minutes at the event epicenter. |
Felt | 1 | 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 | 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 | 178 | 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 | 87 | The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake. |
Horizontal Distance | 0.10779783 | Horizontal distance from the epicenter to the nearest station (in degrees). |
Root Mean Square | 0.13 sec | The root-mean-square (RMS) travel time residual, in sec, using all weights. |
Azimuthal Gap | 46.8 | 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 | nc72288561 | Id of event. |
Event Code | 72288561 | An identifying code assigned by, and unique from, the corresponding source for the event. |
Event IDS | nc72288561 | A comma-separated list of event ids that are associated to an event. |
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