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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.1 quake has struck near Tecoanapa in Mexico

Earthquake location 16.2061S, -98.8618WA light earthquake with magnitude 4.1 (ml/mb) was reported 36 kilometers (22 miles) from Tecoanapa in Mexico on Sunday. Date and time of earthquake in UTC/GMT: 21/04/19 / 2019-04-21 13:08:21 / April 21, 2019 @ 1:08 pm. Exact location of earthquake, -98.8618° West, 16.2061° North, depth 18.73 km. The temblor was detected at 06:08:21 / 6:08 am (local time epicenter). All ids that are associated to the event: us70003g1m. Unique identifier: us70003g1m. The earthquake was roughly at a depth of 18.73 km (12 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Close country/countries, Mexico (c. 112 469 000 pop) (That might be effected). Earthquake epicenter was 87 km (54 miles) from Santiago Pinotepa Nacional (c. 25 700 pop), 72 km (45 miles) from Ometepec (c. 17 800 pop), 87 km (54 miles) from San Marcos (c. 12 300 pop), 88 km (55 miles) from Ayutla de los Libres (c. 9 900 pop), 64 km (40 miles) from Cruz Grande (c. 9 900 pop), 56 km (35 miles) from Cuajinicuilapa de Santa Maria (c. 9 400 pop). Closest city/cities/towns to epicentrum/hypocenter was Ayutla de los Libres, Santiago Pinotepa Nacional, San Marcos (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 earthquakes in the world. In the past 24 hours, there have been two, in the last 10 days two, in the past 30 days two and in the last 365 days eighteen earthquakes of magnitude 3.0 or greater that has struck near.

Did you feel the quake?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city and country. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 36 km SSW of Tecoanapa, Mexico.

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More information

Parameter Value Description
Magnitude 4.1 mb The magnitude for the event.
Longitude -98.8618° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 16.2061° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 18.73 km Depth of the event in kilometers.
Place 36km SSW of Tecoanapa, Mexico Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2019-04-21 13:08:21 Time when the event occurred. UTC/GMT
Updated 2019-05-05 15:41:18 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 259 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 0.587 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.79 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 us70003g1m Id of event.
Event Code 70003g1m An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us70003g1m, A comma-separated list of event ids that are associated to an event.

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