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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4 mag has occurred near Topolobampo in Mexico


Earthquake location 24.9197S, -109.4801WA light earthquake with magnitude 4 (ml/mb) was reported 86 kilometers (53 miles) from Topolobampo in Mexico on Sunday. Exact location of earthquake, -109.4801° West, 24.9197° North, depth 10 km. The temblor was picked up at 18:57:28 / 6:57 pm (local time epicenter). The earthquake occurred at a depth of 10 km (6 miles) below the earth’s surface. Unique identifier: us2000a259. Ids that are associated to the event: us2000a259. 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: 24/07/17 / 2017-07-24 01:57:28 / July 24, 2017 @ 1:57 am.

Epicenter of the earthquake was 87 km (54 miles) from Topolobampo (c. 7 600 pop). Close country/countries, Mexico (c. 112 469 000 pop) (That might be effected). Nearest cities/city/towns to hypocenter/epicentrum was Topolobampo (min 5000 pop).

In the past 24 hours, there have been six, in the last 10 days seven, in the past 30 days seven and in the last 365 days fourteen earthquakes of magnitude 3.0 or greater that was reported 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. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 86 km SSW of Topolobampo, Mexico.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -109.4801° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 24.9197° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 86km SSW of Topolobampo, Mexico Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-07-24 01:57:28 Time when the event occurred. UTC/GMT
Updated 2017-08-09 01:50:47 Time when the event was most recently updated. UTC/GMT
Timezone offset -420 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 0.786 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.89 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 116 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 us2000a259 Id of event.
Event Code 2000a259 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000a259, A comma-separated list of event ids that are associated to an event.

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