Light earthquake: M4 quake has struck near Manzanillo in Mexico

A light earthquake magnitude 4 (ml/mb) has occurred on Thursday, 201 km SSW of Manzanillo, Mexico (125 miles). The temblor was picked up at 06:30:15 / 6:30 am (local time epicenter). Event id: us1000gg0u. Ids that are associated to the earthquake: us1000gg0u. Exact location of event, depth 29.93 km, -105.1367° West, 17.4091° North. The earthquake occurred at a depth of 29.93 km (19 miles) below the earth’s surface. Exact time and date of event in UTC/GMT: 23/08/18 / 2018-08-23 13:30:15 / August 23, 2018 @ 1:30 pm. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days two and in the last 365 days four earthquakes of magnitude 3.0 or greater that was reported nearby. 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, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 201 km SSW of Manzanillo, Mexico. This information comes from the USGS Earthquake Notification Service.

Manzanillo Mexico

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Parameter	Value	Description
Magnitude	4 mb	The magnitude for the event.
Longitude	-105.1367° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	17.4091° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	29.93 km	Depth of the event in kilometers.
Place	201km 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	2018-08-23 13:30:15	Time when the event occurred. UTC/GMT
Updated	2018-08-23 13:59:29	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	4.325	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	1.04 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	235	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	us1000gg0u	Id of event.
Event Code	1000gg0u	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us1000gg0u,	A comma-separated list of event ids that are associated to an event.

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Light earthquake: M4 quake has struck near Manzanillo in Mexico

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