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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4 mag strikes near Dali in China


Earthquake location 25.1767S, 99.5735WA light earthquake with magnitude 4 (ml/mb) was reported 78 kilometers (48 miles) from Dali in China on Monday. Exact location of earthquake, longitude 99.5735 East, latitude 25.1767 North, depth = 10 km. Exact time and date of earthquake 13/07/20 / 2020-07-13 17:34:01 / July 13, 2020 @ 5:34 pm UTC/GMT. The epicenter was at a depth of 10 km (6 miles). Unique identifier: us7000arpk. Ids that are associated to the event: us7000arpk. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was reported at 17:34:01 / 5:34 pm (local time epicenter).

Close country/countries, China (c. 1 330 044 000 pop) (That might be effected). Nearest cities/city/towns to hypocenter/epicentrum was Dali (min 5000 pop). Epicenter of the earthquake was 79 km (49 miles) from Dali (c. 134 000 pop).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. 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. There are an estimated 13,000 light quakes in the world each year.

Did you feel anything?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home and country. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 78 km SW of Dali, China. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude 99.5735° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 25.1767° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 78 km SW of Dali, China Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2020-07-13 17:34:01 Time when the event occurred. UTC/GMT
Updated 2020-07-21 18:32:36 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 3.873 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.72 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 75 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 us7000arpk Id of event.
Event Code 7000arpk An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000arpk, A comma-separated list of event ids that are associated to an event.

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