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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.5 mag was detected near Santa Monica in Philippines

Earthquake location 10.4157S, 126.0189WA light earthquake magnitude 4.5 (ml/mb) has occurred on Monday, 43 kilometers (27 miles) from Santa Monica in Philippines. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Unique identifier: us1000d85b. Ids that are associated to the event: us1000d85b. The temblor was picked up at 22:46:07 / 10:46 pm (local time epicenter). Exact time and date of event in UTC/GMT: 19/03/18 / 2018-03-19 14:46:07 / March 19, 2018 @ 2:46 pm. Exact location, longitude 126.0189° East, latitude 10.4157° North, depth = 35 km. The earthquake occurred at a depth of 35 km (22 miles).

Close country/countries that might be effected, Philippines (c. 99 900 000 pop). The epicenter was 90 km (56 miles) from Surigao (c. 87 800 pop), 76 km (47 miles) from Guiuan (c. 11 000 pop), 96 km (60 miles) from Placer (c. 10 400 pop), 89 km (55 miles) from Socorro (c. 9 700 pop), 73 km (45 miles) from Dapa (c. 8 800 pop), 95 km (59 miles) from Luna (c. 7 800 pop), 49 km (31 miles) from Loreto (c. 5 400 pop). Nearest cities/city/villages to epicentrum/hypocenter was Placer, Luna, Surigao (min 5000 pop).

In the past 24 hours, there have been two, in the last 10 days two, in the past 30 days two and in the last 365 days twenty-five earthquakes of magnitude 3.0 or greater that has struck near. 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?

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. 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: 43 km N of Santa Monica, Philippines.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude 126.0189° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 10.4157° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 35 km Depth of the event in kilometers.
Place 43km N of Santa Monica, Philippines Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-03-19 14:46:07 Time when the event occurred. UTC/GMT
Updated 2018-03-26 16:28:36 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 3.353 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.47 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 153 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 us1000d85b Id of event.
Event Code 1000d85b An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000d85b, A comma-separated list of event ids that are associated to an event.

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