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Light World Earthquakes Magnitude 4-4.9

Earthquake: M 4.6 quake strikes near Namuac in Philippines

Earthquake location 18.5847S, 121.2144WA light earthquake magnitude 4.6 (mg/mb) was reported Monday, 5 kilometers (3 miles) from Namuac in Philippines. The temblor was reported at 10:40:15 / 10:40 am (local time epicenter) at a depth of 72.03 km (45 miles). Global time of event 2015-02-09 02:40:15 UTC/GMT. A tsunami warning has not been issued, according to the U.S. Geological Survey. Exact location of event, longitude 121.2144 East, latitude 18.5847 North, depth 72.03 km.

Close countries, Philippines (c. 99 900 000 pop). The epicenter was 78 km (49 miles) from Laoag (c. 102 100 pop), 90 km (56 miles) from Batac City (c. 53 500 pop), 80 km (50 miles) from San Nicolas (c. 34 200 pop), 52 km (32 miles) from Aparri (c. 33 200 pop), 72 km (45 miles) from Magapit, Aguiguican (c. 13 700 pop). Nearest city, towns to epicentrum/hypocenter was Piat, Batac City, Gonzaga.

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Leave a comment or report about shaking, activity and damage at your home, city and country. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded in: 5 km ESE of Namuac, Philippines.

More information

Parameter Value Description
Magnitude 4.6 mb The magnitude for the event.
Longitude 121.2144° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.5847° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 72.03 km Depth of the event in kilometers.
Place 5km ESE of Namuac, Philippines Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-02-09 02:40:15 Time when the event occurred. UTC/GMT
Updated 2015-02-09 03:03:47 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 1.255 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.45 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 115 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 us100009w0 Id of event.
Event Code 100009w0 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS us100009w0 A comma-separated list of event ids that are associated to an event.

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