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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4 mag strikes near Manzanillo in Mexico



Earthquake location 18.3066S, -104.701WA light earthquake with magnitude 4 (ml/mb) was detected on Sunday, 91 km SSW of Manzanillo, Mexico (57 miles). Unique identifier: us2000a2sc. Ids that are associated to the event: us2000a2sc. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of event, depth 30.35 km, -104.701° West, 18.3066° North. The temblor was reported at 16:36:47 / 4:36 pm (local time epicenter). Global date and time of event UTC/GMT: 30/07/17 / 2017-07-30 23:36:47 / July 30, 2017 @ 11:36 pm. The earthquake occurred at a depth of 30.35 km (19 miles) below the earth’s surface.

In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days one and in the last 365 days seven earthquakes of magnitude 3.0 or greater that has struck near. 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?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home 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: 91 km SSW of Manzanillo, Mexico.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -104.701° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.3066° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 30.35 km Depth of the event in kilometers.
Place 91km SSW of Manzanillo, Mexico Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-07-30 23:36:47 Time when the event occurred. UTC/GMT
Updated 2017-07-31 00:02:51 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 10.34 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.85 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 203 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 us2000a2sc Id of event.
Event Code 2000a2sc An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000a2sc, A comma-separated list of event ids that are associated to an event.

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