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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.2 mag was detected near Loreto in Philippines

Earthquake location 10.5127S, 125.7794WA light earthquake with magnitude 4.2 (ml/mb) was reported 27 kilometers (17 miles) from Loreto in Philippines on Friday. Exact location of event, depth 111.03 km, 125.7794° East, 10.5127° North. Id of earthquake: us2000a1cb. Event ids that are associated: us2000a1cb. Date and time of earthquake in UTC/GMT: 21/07/17 / 2017-07-21 08:29:21 / July 21, 2017 @ 8:29 am. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The epicenter was at a depth of 111.03 km (69 miles). The temblor was detected at 16:29:21 / 4:29 pm (local time epicenter).

Event epicenter was 86 km (54 miles) from Surigao (c. 87 800 pop), 88 km (55 miles) from Abuyog (c. 15 600 pop), 58 km (36 miles) from Guiuan (c. 11 000 pop), 89 km (55 miles) from Dapa (c. 8 800 pop), 88 km (55 miles) from Sogod (c. 8 300 pop), 92 km (57 miles) from Luna (c. 7 800 pop). Country/countries that might be effected, Philippines (c. 99 900 000 pop). Closest city/cities/towns to epicentrum/hypocenter was Luna, Dapa, Sogod (min 5000 pop).

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

Did you feel the quake?

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 27 km NE of Loreto, Philippines. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude 125.7794° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 10.5127° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 111.03 km Depth of the event in kilometers.
Place 27km NE of Loreto, Philippines Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-07-21 08:29:21 Time when the event occurred. UTC/GMT
Updated 2017-08-06 13:18:29 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 271 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 3.426 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.91 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 134 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 us2000a1cb Id of event.
Event Code 2000a1cb An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000a1cb, A comma-separated list of event ids that are associated to an event.

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