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Light earthquake: M4.5 quake has struck near Batna in Algeria

Earthquake location 35.726S, 6.1944WA light earthquake magnitude 4.5 (ml/mb) has occurred on Saturday, 18 kilometers (11 miles) from Batna in Algeria. The 4.5-magnitude earthquake has occurred at 07:59:39 / 7:59 am (local time epicenter). Unique identifier: us7000ahu7. Ids that are associated to the event: us7000ahu7. The earthquake was roughly at a depth of 10 km (6 miles). Exact location of event, longitude 6.1944 East, latitude 35.726 North, depth = 10 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Date and time of earthquake in UTC/GMT: 04/07/20 / 2020-07-04 07:59:39 / July 4, 2020 @ 7:59 am.

Close country/countries that might be effected, Algeria (c. 34 586 000 pop). Epicenter of the earthquake was 80 km (50 miles) from Constantine (c. 450 100 pop), 87 km (54 miles) from Sétif (c. 288 500 pop), 19 km (12 miles) from Batna (c. 280 800 pop), 66 km (41 miles) from El Eulma (c. 128 400 pop), 92 km (57 miles) from Khenchela (c. 117 000 pop), 85 km (53 miles) from Oum el Bouaghi (c. 100 800 pop), 84 km (52 miles) from Barika (c. 98 800 pop). Closest city/cities/towns to epicentrum/hypocenter was Aïn Arnat, Khenchela, Didouche Mourad (min 5000 pop).

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

Questions or comments?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 18 km N of Batna, Algeria.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude 6.1944° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 35.726° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 18 km N of Batna, Algeria Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2020-07-04 07:59:39 Time when the event occurred. UTC/GMT
Updated 2020-07-04 08:21:07 Time when the event was most recently updated. UTC/GMT
Timezone offset Timezone offset from UTC in minutes at the event epicenter.
Felt 1 The total number of felt reports
CDI 4.6 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 312 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 2.564 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.01 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 66 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 us7000ahu7 Id of event.
Event Code 7000ahu7 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000ahu7, A comma-separated list of event ids that are associated to an event.

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