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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.5 mag has occurred near San Isidro in Philippines


Earthquake location 10.3596S, 126.536WA light earthquake with magnitude 4.5 (ml/mb) was detected on Tuesday, 63 kilometers (39 miles) from San Isidro in Philippines. Exact location of earthquake, 126.536° East, 10.3596° North, depth 10 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The 4.5-magnitude earthquake has occurred at 01:01:24 / 1:01 am (local time epicenter). The earthquake occurred at a depth of 10 km (6 miles). Event ids that are associated to the earthquake: us20004x4a. Id of event: us20004x4a. Exact time and date of earthquake 01/02/16 / 2016-02-01 17:01:24 / February 1, 2016 @ 5:01 pm UTC/GMT.

Epicenter of the event was 85 km (53 miles) from Dapa (c. 8 800 pop). Close country/countries that might be effected, Philippines (c. 99 900 000 pop). Nearest cities/city/towns to hypocenter/epicentrum was Dapa (min 5000 pop).

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

Did you feel anything?

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. 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: 63 km NE of San Isidro, Philippines.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude 126.536° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 10.3596° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 63km NE of San Isidro, Philippines Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2016-02-01 17:01:24 Time when the event occurred. UTC/GMT
Updated 2016-03-01 23:31:24 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 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 10.822 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.73 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 132 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 us20004x4a Id of event.
Event Code 20004x4a An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20004x4a, A comma-separated list of event ids that are associated to an event.

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