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Light earthquake: M4.4 quake has struck near Looc in Philippines


Earthquake location 13.7282S, 120.3094WA light earthquake with magnitude 4.4 (ml/mb) was detected on Wednesday, 6 kilometers (4 miles) from Looc in Philippines. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was picked up at 21:21:04 / 9:21 pm (local time epicenter). Exact location, longitude 120.3094° East, latitude 13.7282° North, depth = 76.55 km. Exact time and date of earthquake 04/10/17 / 2017-10-04 13:21:04 / October 4, 2017 @ 1:21 pm UTC/GMT. The earthquake occurred at a depth of 76.55 km (48 miles) below the earth’s surface. Unique identifier: us1000aqmv. Ids that are associated to the event: us1000aqmv.

Nearby country/countries, Philippines (c. 99 900 000 pop) (That might be effected). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Bilog-Bilog, Bulacnin, Janopol. The epicenter was 81 km (50 miles) from Batangas (c. 237 400 pop), 90 km (56 miles) from Silang (c. 119 500 pop), 81 km (50 miles) from Mariveles (c. 84 600 pop), 52 km (32 miles) from Nasugbu (c. 62 900 pop), 82 km (51 miles) from Naic (c. 55 200 pop), 83 km (52 miles) from Patuto (c. 52 900 pop).

In the past 24 hours, there have been three, in the last 10 days four, in the past 30 days nine and in the last 365 days fifty earthquakes of magnitude 3.0 or greater that was reported nearby. Each year there are an estimated 13,000 light quakes in the world. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

Did you feel the quake?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home and country. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 6 km E of Looc, Philippines. This information 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 120.3094° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 13.7282° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 76.55 km Depth of the event in kilometers.
Place 6km E of Looc, Philippines Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-10-04 13:21:04 Time when the event occurred. UTC/GMT
Updated 2017-10-25 05:55:11 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 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 0.713 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.78 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 94 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 us1000aqmv Id of event.
Event Code 1000aqmv An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000aqmv, A comma-separated list of event ids that are associated to an event.

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