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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4 mag has occurred near Santiago Pinotepa Nacional in Mexico

Earthquake location 16.2516S, -98.0589WA light earthquake magnitude 4 (ml/mb) has occurred on Saturday, 8 kilometers (5 miles) from Santiago Pinotepa Nacional in Mexico. The temblor was detected at 22:23:10 / 10:23 pm (local time epicenter). The epicenter was at a depth of 10 km (6 miles). Event ids that are associated to the earthquake: us10008ni7. Id of event: us10008ni7. Exact location of event, longitude -98.0589 West, latitude 16.2516 North, depth = 10 km. Global date and time of event UTC/GMT: 23/04/17 / 2017-04-23 04:23:10 / April 23, 2017 @ 4:23 am. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Nearby country/countries that might be effected, Mexico (c. 112 469 000 pop). Epicenter of the earthquake was 10 km (6 miles) from Santiago Pinotepa Nacional (c. 25 700 pop), 61 km (38 miles) from Ometepec (c. 17 800 pop), 25 km (16 miles) from Santiago Jamiltepec (c. 9 900 pop), 87 km (54 miles) from Putla Villa de Guerrero (c. 9 500 pop), 45 km (28 miles) from Cuajinicuilapa de Santa Maria (c. 9 400 pop), 89 km (55 miles) from Marquelia (c. 6 900 pop). Nearest cities/city/towns to hypocenter/epicentrum was Marquelia, Putla Villa de Guerrero, Santa Catarina Juquila (min 5000 pop).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. Each year there are an estimated 13,000 light quakes in the world. 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 thirty-six earthquakes of magnitude 3.0 or greater that has occurred nearby.

How would you describe the shaking?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 8 km SSW of Santiago Pinotepa Nacional, Mexico. This information 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 -98.0589° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 16.2516° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 8km SSW of Santiago Pinotepa Nacional, Mexico Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-04-23 04:23:10 Time when the event occurred. UTC/GMT
Updated 2017-05-11 02:39:41 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 0.154 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.15 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 184 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 us10008ni7 Id of event.
Event Code 10008ni7 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10008ni7, A comma-separated list of event ids that are associated to an event.

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