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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4 mag has occurred near Darapidap in Philippines

Earthquake location 17.3091S, 119.9794WA light earthquake with magnitude 4 (ml/mb) was reported 47 kilometers (29 miles) from Darapidap in Philippines on Thursday. The earthquake occurred at a depth of 57.49 km (36 miles) below the earth’s surface. Exact location of event, longitude 119.9794 East, latitude 17.3091 North, depth = 57.49 km. Global date and time of event UTC/GMT: 22/02/18 / 2018-02-22 08:19:42 / February 22, 2018 @ 8:19 am. The 4-magnitude earthquake was detected at 16:19:42 / 4:19 pm (local time epicenter). Event id: us2000db10. Ids that are associated to the earthquake: us2000db10. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Nearest cities/city/villages to epicentrum/hypocenter was Paringao, San Fernando, Cabugao (min 5000 pop). Epicenter of the event was 85 km (53 miles) from San Fernando (c. 83 000 pop), 52 km (33 miles) from Vigan (c. 48 500 pop), 65 km (40 miles) from Tagudin (c. 35 800 pop), 63 km (39 miles) from Santa Maria (c. 28 000 pop), 52 km (32 miles) from Candon (c. 11 200 pop), 66 km (41 miles) from Bangar (c. 11 100 pop). Close country/countries that might be effected, Philippines (c. 99 900 000 pop).

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

Did you feel it?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city and country. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 47 km WNW of Darapidap, Philippines. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude 119.9794° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 17.3091° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 57.49 km Depth of the event in kilometers.
Place 47km WNW of Darapidap, Philippines Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-02-22 08:19:42 Time when the event occurred. UTC/GMT
Updated 2018-03-11 11:25:48 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 246 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 3.319 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.57 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 131 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 us2000db10 Id of event.
Event Code 2000db10 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000db10, A comma-separated list of event ids that are associated to an event.

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