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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.5 mag strikes near Looc in Philippines



Earthquake location 13.7044S, 120.308WA light earthquake with magnitude 4.5 (ml/mb) was reported 6 kilometers (4 miles) from Looc in Philippines on Thursday. Exact location, longitude 120.308° East, latitude 13.7044° North, depth = 65.29 km. The 4.5-magnitude earthquake has occurred at 08:06:08 / 8:06 am (local time epicenter). Date and time of earthquake in UTC/GMT: 24/08/17 / 2017-08-24 00:06:08 / August 24, 2017 @ 12:06 am. Event id: us2000acuj. Ids that are associated to the earthquake: us2000acuj. The epicenter was at a depth of 65.29 km (41 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Lipa City, Bilog-Bilog, Bulacnin. Country/countries that might be effected, Philippines (c. 99 900 000 pop). Epicenter of the event was 81 km (50 miles) from Batangas (c. 237 400 pop), 96 km (60 miles) from Lipa City (c. 212 300 pop), 91 km (57 miles) from Silang (c. 119 500 pop), 83 km (52 miles) from Mariveles (c. 84 600 pop), 54 km (33 miles) from Nasugbu (c. 62 900 pop), 84 km (52 miles) from Naic (c. 55 200 pop), 85 km (53 miles) from Patuto (c. 52 900 pop).

There are an estimated 13,000 light quakes in the world each year. In the past 24 hours, there have been two, in the last 10 days two, in the past 30 days five and in the last 365 days thirty-nine earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

Questions or comments?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 6 km ESE of Looc, Philippines.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude 120.308° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 13.7044° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 65.29 km Depth of the event in kilometers.
Place 6km ESE 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 2017-08-24 00:06:08 Time when the event occurred. UTC/GMT
Updated 2017-09-02 02:30:30 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 0.727 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.51 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 us2000acuj Id of event.
Event Code 2000acuj An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000acuj, A comma-separated list of event ids that are associated to an event.

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