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



Earthquake location 18.8798S, 121.0238WA light earthquake magnitude 4.5 (ml/mb) has struck on Tuesday, 30 kilometers (19 miles) from Claveria in Philippines. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The epicenter of the earthquake was roughly 46.56 km (29 miles) below the earth’s surface. Exact time and date of event in UTC/GMT: 07/02/17 / 2017-02-07 08:21:06 / February 7, 2017 @ 8:21 am. Exact location of event, longitude 121.0238 East, latitude 18.8798 North, depth = 46.56 km. Unique identifier: us20008kj7. Ids that are associated to the event: us20008kj7. The temblor was reported at 16:21:06 / 4:21 pm (local time epicenter).

Nearby country/countries, Philippines (c. 99 900 000 pop) (That might be effected). Epicenter of the earthquake was 88 km (55 miles) from Laoag (c. 102 100 pop), 91 km (56 miles) from San Nicolas (c. 34 200 pop), 87 km (54 miles) from Aparri (c. 33 200 pop), 31 km (19 miles) from Claveria (c. 10 600 pop), 82 km (51 miles) from Bacarra (c. 9 600 pop), 71 km (44 miles) from Cabaritan East (c. 9 300 pop), 93 km (58 miles) from Dingras (c. 6 900 pop). Nearest cities/city/towns to hypocenter/epicentrum was Dingras, San Nicolas, Sarrat (min 5000 pop).

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. In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days three and in the last 365 days thirteen earthquakes of magnitude 3.0 or greater that was reported nearby.

Did you feel it?

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: 30 km NNW of Claveria, Philippines.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude 121.0238° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.8798° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 46.56 km Depth of the event in kilometers.
Place 30km NNW of Claveria, Philippines Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-02-07 08:21:06 Time when the event occurred. UTC/GMT
Updated 2017-02-24 09:06:31 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 4.414 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.3 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 126 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 us20008kj7 Id of event.
Event Code 20008kj7 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20008kj7, A comma-separated list of event ids that are associated to an event.

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