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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.1 quake has struck near Santa Maria Huazolotitlan in Mexico

Earthquake location 15.7782S, -98.0499WA light earthquake magnitude 4.1 (ml/mb) has struck on Saturday, 57 kilometers (35 miles) from Santa Maria Huazolotitlan in Mexico. The temblor was picked up at 08:51:52 / 8:51 am (local time epicenter). Exact time and date of earthquake 22/09/18 / 2018-09-22 15:51:52 / September 22, 2018 @ 3:51 pm UTC/GMT. All ids that are associated to the event: us1000h3qj. Unique identifier: us1000h3qj. Exact location of earthquake, -98.0499° West, 15.7782° North, depth 10 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The epicenter was at a depth of 10 km (6 miles).

Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was San Miguel Panixtlahuaca, Cuajinicuilapa de Santa Maria, Pinotepa de Don Luis. Nearby country/countries that might be effected, Mexico (c. 112 469 000 pop). Epicenter of the earthquake was 62 km (39 miles) from Santiago Pinotepa Nacional (c. 25 700 pop), 61 km (38 miles) from Santiago Jamiltepec (c. 9 900 pop), 87 km (54 miles) from Cuajinicuilapa de Santa Maria (c. 9 400 pop), 88 km (55 miles) from San Miguel Panixtlahuaca (c. 5 700 pop), 73 km (45 miles) from Pinotepa de Don Luis (c. 5 500 pop).

Each year there are an estimated 13,000 light earthquakes in the world. In the past 24 hours, there have been one, in the last 10 days two, in the past 30 days three and in the last 365 days fourty-three earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

Did you feel it?

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: 57 km SSW of Santa Maria Huazolotitlan, Mexico.

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More information

Parameter Value Description
Magnitude 4.1 mb The magnitude for the event.
Longitude -98.0499° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 15.7782° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 57km SSW of Santa Maria Huazolotitlan, Mexico Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-09-22 15:51:52 Time when the event occurred. UTC/GMT
Updated 2018-10-22 13:51:20 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 1.176 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.03 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 211 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 us1000h3qj Id of event.
Event Code 1000h3qj An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000h3qj, A comma-separated list of event ids that are associated to an event.

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