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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.5 quake has struck near Bulusan in Philippines

Earthquake location 12.7715S, 124.151WA light earthquake with magnitude 4.5 (ml/mb) was detected on Wednesday, 2 kilometers (1 miles) from Bulusan in Philippines. The earthquake was roughly at a depth of 110.67 km (69 miles). Exact location, longitude 124.151° East, latitude 12.7715° North, depth = 110.67 km. The 4.5-magnitude earthquake was detected at 23:46:10 / 11:46 pm (local time epicenter). Global date and time of event UTC/GMT: 03/10/18 / 2018-10-03 15:46:10 / October 3, 2018 @ 3:46 pm. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Event ids that are associated to the earthquake: us1000ha10. Id of event: us1000ha10.

The epicenter was 61 km (38 miles) from Legaspi (c. 179 500 pop), 28 km (18 miles) from Sorsogon (c. 82 700 pop), 92 km (57 miles) from Polangui (c. 77 100 pop), 92 km (57 miles) from Calbayog City (c. 67 900 pop), 79 km (49 miles) from Tabaco (c. 57 900 pop), 72 km (45 miles) from Masbate (c. 47 500 pop), 61 km (38 miles) from Catarman (c. 47 400 pop). Closest city/cities/towns to epicentrum/hypocenter was Laoang, Milagros, Polangui (min 5000 pop). Country/countries that might be effected, Philippines (c. 99 900 000 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 six earthquakes of magnitude 3.0 or greater that was reported nearby. There are an estimated 13,000 light earthquakes in the world each year. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

Questions or comments?

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, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 2 km NE of Bulusan, Philippines. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude 124.151° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 12.7715° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 110.67 km Depth of the event in kilometers.
Place 2km NE of Bulusan, Philippines Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-10-03 15:46:10 Time when the event occurred. UTC/GMT
Updated 2018-10-11 04:45:31 Time when the event was most recently updated. UTC/GMT
Timezone offset 480 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 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 10.905 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.75 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 117 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 us1000ha10 Id of event.
Event Code 1000ha10 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000ha10, A comma-separated list of event ids that are associated to an event.

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