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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.2 mag strikes near Cuajinicuilapa in Mexico

Earthquake location 15.9029S, -98.6366WA light earthquake magnitude 4.2 (ml/mb) strikes 66 kilometers (41 miles) from Cuajinicuilapa in Mexico on Friday. The temblor was reported at 00:32:45 / 12:32 am (local time epicenter). The earthquake was roughly at a depth of 16.26 km (10 miles). Exact time and date of event in UTC/GMT: 20/01/17 / 2017-01-20 07:32:45 / January 20, 2017 @ 7:32 am. Exact location, longitude -98.6366° West, latitude 15.9029° North, depth = 16.26 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Event ids that are associated to the earthquake: us20008gr9. Id of event: us20008gr9.

Epicenter of the event was 79 km (49 miles) from Santiago Pinotepa Nacional (c. 25 700 pop), 91 km (56 miles) from Ometepec (c. 17 800 pop), 68 km (42 miles) from Cuajinicuilapa de Santa Maria (c. 9 400 pop), 86 km (54 miles) from Copala (c. 6 900 pop), 78 km (49 miles) from Marquelia (c. 6 900 pop), 91 km (57 miles) from Pinotepa de Don Luis (c. 5 500 pop). Nearby country/countries, Mexico (c. 112 469 000 pop) (That might be effected). Nearest cities/city/villages to epicentrum/hypocenter was Pinotepa de Don Luis, Ometepec, Copala (min 5000 pop).

In the past 24 hours, there have been one, in the last 10 days two, in the past 30 days four and in the last 365 days twenty-three earthquakes of magnitude 3.0 or greater that has occurred nearby. 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.

Did you feel the quake?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage 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: 66 km SSW of Cuajinicuilapa, Mexico. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude -98.6366° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 15.9029° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 16.26 km Depth of the event in kilometers.
Place 66km SSW of Cuajinicuilapa, Mexico Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-01-20 07:32:45 Time when the event occurred. UTC/GMT
Updated 2017-02-09 06:26:13 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 271 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 0.69 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.21 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 195 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 us20008gr9 Id of event.
Event Code 20008gr9 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20008gr9, A comma-separated list of event ids that are associated to an event.

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