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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.4 mag has occurred near Sablayan in Philippines

Earthquake location 12.9144S, 120.6016WA light earthquake magnitude 4.4 (ml/mb) strikes 20 kilometers (12 miles) from Sablayan in Philippines on Sunday. Exact location of earthquake, 120.6016° East, 12.9144° North, depth 38.64 km. The epicenter of the earthquake was roughly 38.64 km (24 miles) below the earth’s surface. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact time and date of event in UTC/GMT: 10/09/17 / 2017-09-10 11:47:50 / September 10, 2017 @ 11:47 am. Id of earthquake: us2000artq. Event ids that are associated: us2000artq. The 4.4-magnitude earthquake has occurred at 19:47:50 / 7:47 pm (local time epicenter).

Epicenter of the event was 80 km (50 miles) from San Jose (c. 118 800 pop), 84 km (52 miles) from Calapan (c. 66 000 pop), 20 km (13 miles) from Sablayan (c. 38 400 pop), 34 km (21 miles) from Mamburao (c. 23 900 pop), 93 km (58 miles) from Bansud (c. 13 800 pop), 53 km (33 miles) from Calintaan (c. 11 500 pop). Close country/countries that might be effected, Philippines (c. 99 900 000 pop). Closest city/cities/towns to epicentrum/hypocenter was Gloria, Bansud, Socorro (min 5000 pop).

Every year there are an estimated 13,000 light earthquakes in the world. In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days five and in the last 365 days thirty-four earthquakes of magnitude 3.0 or greater that has struck near. 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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 20 km WNW of Sablayan, Philippines. This data 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 120.6016° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 12.9144° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 38.64 km Depth of the event in kilometers.
Place 20km WNW of Sablayan, Philippines Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-09-10 11:47:50 Time when the event occurred. UTC/GMT
Updated 2017-09-23 06:09:02 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 7.599 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.38 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 124 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 us2000artq Id of event.
Event Code 2000artq An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000artq, A comma-separated list of event ids that are associated to an event.

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