M 4.3, Oaxaca, Mexico


Quake activity in: Magnitude 4.3, Oaxaca, Magnitudeexico
16.331°N 96.401°W

Friday, November 25, 2011 06:29:02 UTC
Friday, November 25, 2011 12:29:02 AM at epicenter

Depth: 26.40 km (16.40 mi), Average earthquake depth.

USGS Magnitude 2.5+ Earthquakes

Did you perceive it? Leave a comment about shaking, activity and damage at your home, city and country.

Read more about Date-Time, Location, Distances, Parameters at USGS.

Parameter Value Description
Magnitude mb The magnitude for the event.
Longitude °S Decimal degrees longitude. Negative values for western longitudes.
Latitude °W Decimal degrees latitude. Negative values for southern latitudes.
Depth km Depth of the event in kilometers.
Place Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time Time when the event occurred.
Updated Time when the event was most recently updated.
Timezone offset Timezone offset from UTC in minutes at the event epicenter.
Felt The total number of felt reports
CDI 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 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 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Event Code An identifying code assigned by, and unique from, the corresponding source for the event.
Sources A comma-separated list of network contributors.
Number of Stations Used The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type The method or algorithm used to calculate the preferred magnitude for the event.
Event Type Type of seismic event.
Event ID Id of event.

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