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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4 quake has struck near La Cruz de Loreto in Mexico


Earthquake location 18.7599S, -107.0749WA light earthquake magnitude 4 (ml/mb) has occurred on Wednesday, 219 km SW of La Cruz de Loreto, Mexico (136 miles). Unique identifier: us6000d4de. Ids that are associated to the event: us6000d4de. Date and time of earthquake in UTC/GMT: 30/12/20 / 2020-12-30 18:24:48 / December 30, 2020 @ 6:24 pm. The 4-magnitude earthquake was detected at 18:24:48 / 6:24 pm (local time epicenter). Exact location of earthquake, -107.0749° West, 18.7599° North, depth 10 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake was roughly at a depth of 10 km (6 miles).

Every 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 one, in the past 30 days one and in the last 365 days two earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

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: 219 km SW of La Cruz de Loreto, Mexico.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -107.0749° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.7599° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 219 km SW of La Cruz de Loreto, Mexico Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2020-12-30 18:24:48 Time when the event occurred. UTC/GMT
Updated 2021-01-08 23:33:24 Time when the event was most recently updated. UTC/GMT
Timezone offset 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 2.269 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.33 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 200 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 us6000d4de Id of event.
Event Code 6000d4de An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000d4de, A comma-separated list of event ids that are associated to an event.

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