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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.6 mag, 2 km S of Calamba, Philippines


Earthquake location 9.084S, 125.5975WA light earthquake magnitude 4.6 (ml/mb) strikes 2 kilometers (1 miles) from Calamba in Philippines on Tuesday. Date and time of earthquake in UTC/GMT: 20/05/19 / 2019-05-20 19:12:10 / May 20, 2019 @ 7:12 pm. Exact location of earthquake, longitude 125.5975 East, latitude 9.084 North, depth = 35 km. Event ids that are associated to the earthquake: us70003nmw. Id of event: us70003nmw. The epicenter was at a depth of 35 km (22 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The 4.6-magnitude earthquake was detected at 03:12:10 / 3:12 am (local time epicenter).

The epicenter was 16 km (10 miles) from Butuan (c. 309 700 pop), 19 km (12 miles) from Libertad (c. 250 400 pop), 79 km (49 miles) from Surigao (c. 87 800 pop), 60 km (37 miles) from Mariano (c. 70 500 pop), 41 km (25 miles) from Bayugan (c. 40 600 pop), 8 km (5 miles) from Cabadbaran (c. 31 100 pop), 66 km (41 miles) from Tandag (c. 29 000 pop). Close country/countries that might be effected, Philippines (c. 99 900 000 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Balingasag, Tagbina, Lagonglong.

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

Questions or comments?

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, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 2 km S of Calamba, Philippines. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.6 mb The magnitude for the event.
Longitude 125.5975° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 9.084° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 35 km Depth of the event in kilometers.
Place 2km S of Calamba, Philippines Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2019-05-20 19:12:10 Time when the event occurred. UTC/GMT
Updated 2019-06-11 21:21:16 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 326 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 2.001 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.29 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 123 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 us70003nmw Id of event.
Event Code 70003nmw An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us70003nmw, A comma-separated list of event ids that are associated to an event.

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