Earthquake with magnitude of ML 0.9 on date 19-12-2013 and time 14:00:12 (Italy) in region 7 km E Villavallelonga (AQ)

A magnitude ML 0.9 earthquake occured in region: 7 km E Villavallelonga (AQ), on

  • 19-12-2013 13:00:12 (UTC)
  • 19-12-2013 14:00:12 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.8620, 13.7140 at 11 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Villavallelonga AQ 7 919 919
Bisegna AQ 8 223 1142
Lecce nei Marsi AQ 8 1702 2844
Pescasseroli AQ 9 2203 5047
Gioia dei Marsi AQ 11 1989 7036
Collelongo AQ 11 1233 8269
Ortucchio AQ 12 1860 10129
Villalago AQ 13 568 10697
Pescosolido FR 13 1555 12252
Opi AQ 13 420 12672
Campoli Appennino FR 14 1725 14397
Balsorano AQ 14 3569 17966
Scanno AQ 15 1847 19813
Ortona dei Marsi AQ 15 542 20355
San Vincenzo Valle Roveto AQ 16 2347 22702
Anversa degli Abruzzi AQ 17 341 23043
Sora FR 18 26144 49187
San Benedetto dei Marsi AQ 18 3909 53096
Trasacco AQ 18 6246 59342
Broccostella FR 19 2741 62083
Posta Fibreno FR 19 1139 63222
Pescina AQ 19 4133 67355
San Donato Val di Comino FR 19 2107 69462
Alvito FR 19 2713 72175
Cocullo AQ 20 230 72405

Municipalities with at least 50000 inhabitants

An earthquake occurred to
60 Km SE of L'Aquila (69753 inhabitants)
66 Km SW of Chieti (51815 inhabitants)
77 Km E of Tivoli (56533 inhabitants)
79 Km SW of Pescara (121014 inhabitants)
80 Km E of Velletri (53303 inhabitants)
80 Km NE of Latina (125985 inhabitants)
81 Km SW of Montesilvano (53738 inhabitants)
83 Km E of Guidonia Montecelio (88673 inhabitants)
89 Km S of Teramo (54892 inhabitants)
93 Km E of Aprilia (73446 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Bulletin
Rev1000
ML 0.9 2013-12-19
13:00:12
41.862 13.7142 11 2015-01-20
11:30:39
Bollettino Sismico Italiano INGV 8378321
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2013-12-19 13:00:12 ± 0.04
Latitude 41.8620 ± 0.0027
Longitude 13.7142 ± 0.0048
Depth (km) 11 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 8378321

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 420
Semi-minor axis of confidence ellipse (meter) 270
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 300
Circular confidence region, given by single value of horizontal uncertainty (meter) 420.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 138
Number of associated phases, regardless of their use for origin computation 6
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.09
Epicentral distance of station closest to the epicenter (degree) 0.06835
Epicentral distance of station farthest from the epicenter (degree) 0.20594
Number of stations at which the event was observed 3
Number of stations from which data was used for origin computation 3
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 2
Type of magnitude ML
Reference to an origin 8378321
Agency INGV
Autore Manually reviewed by Franco Mele
Time of creation (UTC) 2015-01-15 13:29:10
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.INTR.HHZ. 2013-12-19T13:00:20.93 0.6 undecidable manual S 43 22.8549 50 0.12 48
IV.POFI.HHZ. 2013-12-19T13:00:19.02 0.6 undecidable manual S 181 16.0728 50 0.02 50
IV.INTR.HHZ. 2013-12-19T13:00:17.10 0.1 undecidable manual P 43 22.8549 50 -0.09 97
IV.VVLD.HHZ. 2013-12-19T13:00:16.82 0.6 undecidable manual S 276 7.5813 146 -0.07 50
IV.POFI.HHZ. 2013-12-19T13:00:16.13 0.1 undecidable manual P 181 16.0728 50 -0.02 100
IV.VVLD.HHZ. 2013-12-19T13:00:15.00 0.1 undecidable manual P 276 7.5813 146 0.07 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.POFI.HHN. ML:0.8 0.00005435 1.16 AML other m 2013-12-19T13:00:19.95
IV.POFI.HHE. ML:0.8 0.0000491 0.42 AML other m 2013-12-19T13:00:24.26
IV.VVLD.HHE. ML:1.1 0.0001625 0.66 AML other m 2013-12-19T13:00:20.51
IV.VVLD.HHN. ML:1.1 0.0001785 0.1 AML other m 2013-12-19T13:00:17.37
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download