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Light earthquake: M4.4 quake has struck near Machali in Chile


Earthquake location -34.4441S, -70.369WA light earthquake magnitude 4.4 (ml/mb) has occurred on Friday, 39 kilometers (24 miles) from Machali in Chile. Unique identifier: us2000dayx. Ids that are associated to the event: us2000dayx. The temblor was reported at 07:27:31 / 7:27 am (local time epicenter). The earthquake occurred at a depth of 103.8 km (64 miles). Global date and time of event UTC/GMT: 02/03/18 / 2018-03-02 11:27:31 / March 2, 2018 @ 11:27 am. Exact location of event, longitude -70.369 West, latitude -34.4441 South, depth = 103.8 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Closest city/cities/towns to epicentrum/hypocenter was Puente Alto, Santa Cruz, Teno (min 5000 pop). Nearby country/countries that might be effected, Chile (c. 16 746 000 pop). Epicenter of the event was 94 km (59 miles) from Puente Alto (c. 510 400 pop), 46 km (29 miles) from Rancagua (c. 212 700 pop), 86 km (54 miles) from Buin (c. 55 400 pop), 45 km (28 miles) from Rengo (c. 38 100 pop), 94 km (58 miles) from Santa Cruz (c. 33 300 pop), 79 km (49 miles) from Paine (c. 32 800 pop).

In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days two and in the last 365 days thirteen 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. Each year there are an estimated 13,000 light quakes in the world.

Did you feel anything?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city and country. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 39 km SE of Machali, Chile. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude -70.369° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -34.4441° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 103.8 km Depth of the event in kilometers.
Place 39km SE of Machali, Chile Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-03-02 11:27:31 Time when the event occurred. UTC/GMT
Updated 2018-03-02 11:44:19 Time when the event was most recently updated. UTC/GMT
Timezone offset -240 Timezone offset from UTC in minutes at the event epicenter.
Felt 1 The total number of felt reports
CDI 2.2 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 298 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 0.486 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.08 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 54 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mwr The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us2000dayx Id of event.
Event Code 2000dayx An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000dayx, A comma-separated list of event ids that are associated to an event.

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