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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.6 mag has occurred near Itbayat in Philippines


Earthquake location 21.0081S, 122.111WA light earthquake magnitude 4.6 (ml/mb) has struck on Thursday, 37 kilometers (23 miles) from Itbayat in Philippines. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, longitude 122.111 East, latitude 21.0081 North, depth = 197.62 km. Global time and date of event 12/08/15 / 2015-08-12 22:21:28 / August 12, 2015 @ 10:21 pm UTC/GMT. Unique identifier: us100031rf. Ids that are associated to the event: us100031rf. The temblor was detected at 06:21:28 / 6:21 am (local time epicenter). The earthquake occurred at a depth of 197.62 km (123 miles).

Event epicenter was 64 km (40 miles) from Basco (c. 7 300 pop). Country/countries that might be effected, Philippines (c. 99 900 000 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Basco.

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 seven 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?

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: 37 km NE of Itbayat, Philippines.

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More information

Parameter Value Description
Magnitude 4.6 mb The magnitude for the event.
Longitude 122.111° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 21.0081° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 197.62 km Depth of the event in kilometers.
Place 37km NE of Itbayat, Philippines Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-08-12 22:21:28 Time when the event occurred. UTC/GMT
Updated 2015-08-12 22:41:28 Time when the event was most recently updated. UTC/GMT
Timezone offset 480 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 1 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 326 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 2.039 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 113 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 us100031rf Id of event.
Event Code 100031rf An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us100031rf, A comma-separated list of event ids that are associated to an event.

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