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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4 mag was detected near Ixhuatan in Mexico

Earthquake location 16.3486S, -94.54WA light earthquake with magnitude 4 (ml/mb) was detected on Thursday, 6 kilometers (4 miles) from Ixhuatan in Mexico. Unique identifier: us10008644. Ids that are associated to the event: us10008644. The temblor was reported at 01:17:24 / 1:17 am (local time epicenter). The epicenter was at a depth of 109.74 km (68 miles). Global date and time of event UTC/GMT: 02/02/17 / 2017-02-02 07:17:24 / February 2, 2017 @ 7:17 am. Exact location of earthquake, longitude -94.54 West, latitude 16.3486 North, depth = 109.74 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Epicenter of the event was 73 km (45 miles) from Salina Cruz (c. 73 600 pop), 52 km (32 miles) from Juchitán de Zaragoza (c. 67 600 pop), 75 km (47 miles) from Santo Domingo Tehuantepec (c. 37 400 pop), 89 km (55 miles) from Tonalá (c. 32 900 pop), 65 km (40 miles) from San Jerónimo Ixtepec (c. 23 200 pop), 69 km (43 miles) from Arriaga (c. 22 800 pop). Close country/countries that might be effected, Mexico (c. 112 469 000 pop). Nearest cities/city/towns to hypocenter/epicentrum was Tonalá, Colonia Rincón Viejo, Matías Romero (min 5000 pop).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. There are an estimated 13,000 light earthquakes in the world each year. In the past 24 hours, there have been four, in the last 10 days four, in the past 30 days four and in the last 365 days seventeen earthquakes of magnitude 3.0 or greater that has struck near.

Did you feel the quake?

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 W of Ixhuatan, Mexico. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -94.54° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 16.3486° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 109.74 km Depth of the event in kilometers.
Place 6km W of Ixhuatan, Mexico Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-02-02 07:17:24 Time when the event occurred. UTC/GMT
Updated 2017-03-02 06:34:51 Time when the event was most recently updated. UTC/GMT
Timezone offset -360 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 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 246 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network us The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,us, 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 0.808 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.39 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 126 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mb The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us10008644 Id of event.
Event Code 10008644 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10008644, A comma-separated list of event ids that are associated to an event.

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