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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4 mag was detected near Acapulco de Juarez in Mexico

Earthquake location 16.6651S, -100.1281WA light earthquake magnitude 4 (ml/mb) has occurred on Thursday, 33 kilometers (21 miles) from Acapulco de Juarez in Mexico. The earthquake occurred at a depth of 10 km (6 miles). Id of earthquake: us70007k0a. Event ids that are associated: us70007k0a. Date and time of earthquake in UTC/GMT: 30/01/20 / 2020-01-30 07:01:52 / January 30, 2020 @ 7:01 am. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was picked up at 00:01:52 / 12:01 am (local time epicenter). Exact location, longitude -100.1281° West, latitude 16.6651° North, depth = 10 km.

Nearby country/countries that might be effected, Mexico (c. 112 469 000 pop). Earthquake epicenter was 34 km (21 miles) from Acapulco de Juárez (c. 652 100 pop), 68 km (43 miles) from Atoyac de Álvarez (c. 21 400 pop), 83 km (51 miles) from Tecpan de Galeana (c. 14 600 pop), 38 km (24 miles) from Coyuca de Benítez (c. 12 500 pop), 80 km (50 miles) from San Marcos (c. 12 300 pop), 85 km (53 miles) from Tierra Colorada (c. 10 200 pop). Closest city/cities/towns to epicentrum/hypocenter was Tierra Colorada, El Súchil, Tecpan de Galeana (min 5000 pop).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been five, in the last 10 days five, in the past 30 days six and in the last 365 days thirteen earthquakes of magnitude 3.0 or greater that have been detected nearby. There are an estimated 13,000 light earthquakes in the world each year.

Questions or comments?

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: 33 km SW of Acapulco de Juarez, Mexico.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -100.1281° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 16.6651° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 33km SW of Acapulco de Juarez, Mexico Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2020-01-30 07:01:52 Time when the event occurred. UTC/GMT
Updated 2020-02-19 10:49:25 Time when the event was most recently updated. UTC/GMT
Timezone offset -420 Timezone offset from UTC in minutes at the event epicenter.
Felt 1 The total number of felt reports
CDI 2 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 0.403 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.24 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 us70007k0a Id of event.
Event Code 70007k0a An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us70007k0a, A comma-separated list of event ids that are associated to an event.

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