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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.4 mag strikes near San Isidro in Philippines


Earthquake location 9.9473S, 126.1971WA light earthquake magnitude 4.4 (ml/mb) has occurred on Monday, 11 kilometers (7 miles) from San Isidro in Philippines. Exact time and date of earthquake 28/04/19 / 2019-04-28 17:06:18 / April 28, 2019 @ 5:06 pm UTC/GMT. Exact location of event, depth 10 km, 126.1971° East, 9.9473° North. The temblor was detected at 01:06:18 / 1:06 am (local time epicenter). Unique identifier: us70003ieq. Ids that are associated to the event: us70003ieq. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake was roughly at a depth of 10 km (6 miles).

The epicenter was 79 km (49 miles) from Surigao (c. 87 800 pop), 73 km (45 miles) from Placer (c. 10 400 pop), 44 km (27 miles) from Socorro (c. 9 700 pop), 72 km (45 miles) from Cantilan (c. 9 400 pop), 26 km (16 miles) from Dapa (c. 8 800 pop), 80 km (50 miles) from Luna (c. 7 800 pop). Closest city/cities/towns to epicentrum/hypocenter was Kitcharao, Mainit, Alegria (min 5000 pop). Country/countries that might be effected, Philippines (c. 99 900 000 pop).

Each year there are an estimated 13,000 light earthquakes in the world. In the past 24 hours, there have been twelve, in the last 10 days thirty, in the past 30 days thirty-two and in the last 365 days one hundred and seventeen 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.

Did you feel it?

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. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 11 km E of San Isidro, Philippines.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude 126.1971° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 9.9473° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 11km E of San Isidro, Philippines Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2019-04-28 17:06:18 Time when the event occurred. UTC/GMT
Updated 2019-05-25 20:23:59 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 2.923 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.85 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 179 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 us70003ieq Id of event.
Event Code 70003ieq An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us70003ieq, A comma-separated list of event ids that are associated to an event.

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