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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4 mag was detected near Pijijiapan in Mexico



Earthquake location 14.6188S, -93.9713WA light earthquake magnitude 4 (ml/mb) has struck on Thursday, 143 km SSW of Pijijiapan, Mexico (89 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact time and date of event in UTC/GMT: 10/09/15 / 2015-09-10 08:35:41 / September 10, 2015 @ 8:35 am. The epicenter of the earthquake was roughly 26.84 km (17 miles) below the earth’s surface. The temblor was reported at 02:35:41 / 2:35 am (local time epicenter). Id of earthquake: us20003hq1. Event ids that are associated: us20003hq1. Exact location, longitude -93.9713° West, latitude 14.6188° North, depth = 26.84 km.

In the past 24 hours, there have been seven, in the last 10 days thirteen, in the past 30 days thirteen and in the last 365 days thirty-three earthquakes of magnitude 3.0 or greater that have been detected nearby. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. There are an estimated 13,000 light quakes in the world each year.

Questions or comments?

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: 143 km SSW of Pijijiapan, 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 -93.9713° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 14.6188° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 26.84 km Depth of the event in kilometers.
Place 143km SSW of Pijijiapan, Mexico Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-09-10 08:35:41 Time when the event occurred. UTC/GMT
Updated 2015-10-01 12:32:23 Time when the event was most recently updated. UTC/GMT
Timezone offset -360 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 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 2.421 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.18 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 186 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 us20003hq1 Id of event.
Event Code 20003hq1 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20003hq1, A comma-separated list of event ids that are associated to an event.

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