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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4 mag was detected near San Mateo del Mar in Mexico

Posted by admin on February 8, 2018 0 Comments

Earthquake location 15.3396S, -94.7671WA light earthquake with magnitude 4 (ml/mb) was reported 98 km SSE of San Mateo del Mar, Mexico (61 miles) on Saturday. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Date and time of earthquake in UTC/GMT: 20/01/18 / 2018-01-20 21:49:49 / January 20, 2018 @ 9:49 pm. The earthquake was roughly at a depth of 10 km (6 miles). The 4-magnitude earthquake was detected at 15:49:49 / 3:49 pm (local time epicenter). Event id: us1000cgwv. Ids that are associated to the earthquake: us1000cgwv. Exact location, longitude -94.7671° West, latitude 15.3396° North, depth = 10 km.

Each year there are an estimated 13,000 light earthquakes in the world. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been six, in the last 10 days seven, in the past 30 days fourteen and in the last 365 days four hundred and two earthquakes of magnitude 3.0 or greater that was reported nearby.

Questions or comments?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city and country. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 98 km SSE of San Mateo del Mar, Mexico.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -94.7671° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 15.3396° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 98km SSE of San Mateo del Mar, Mexico Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-01-20 21:49:49 Time when the event occurred. UTC/GMT
Updated 2018-02-08 06:15:22 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 1.361 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.46 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 169 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 us1000cgwv Id of event.
Event Code 1000cgwv An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000cgwv, A comma-separated list of event ids that are associated to an event.

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