Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 16-08-2013 and time 05:08:49 (Italy) in region 2 km SW Villetta Barrea (AQ)

A magnitude ML 2.0 earthquake occured in region: 2 km SW Villetta Barrea (AQ), on

  • 16-08-2013 03:08:49 (UTC)
  • 16-08-2013 05:08:49 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.7610, 13.9170 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Civitella Alfedena AQ 2 296 296
Villetta Barrea AQ 2 653 949
Barrea AQ 6 726 1675
Opi AQ 8 420 2095
San Donato Val di Comino FR 10 2107 4202
Alfedena AQ 10 864 5066
Scontrone AQ 10 574 5640
Settefrati FR 11 728 6368
Pescasseroli AQ 12 2203 8571
Picinisco FR 13 1218 9789
Montenero Val Cocchiara IS 13 538 10327
Pizzone IS 14 329 10656
Gallinaro FR 15 1269 11925
Scanno AQ 16 1847 13772
Castel di Sangro AQ 16 6538 20310
San Biagio Saracinisco FR 16 349 20659
Alvito FR 17 2713 23372
Roccaraso AQ 17 1627 24999
Castel San Vincenzo IS 17 516 25515
Villa Latina FR 18 1241 26756
Rivisondoli AQ 18 700 27456
Atina FR 18 4316 31772
Pescocostanzo AQ 19 1128 32900
Rionero Sannitico IS 19 1118 34018
Cerro al Volturno IS 20 1281 35299
Posta Fibreno FR 20 1139 36438
Vicalvi FR 20 783 37221
Campoli Appennino FR 20 1725 38946
Scapoli IS 20 680 39626

Municipalities with at least 50000 inhabitants

An earthquake occurred to
69 Km SW of Chieti (51815 inhabitants)
78 Km SE of L'Aquila (69753 inhabitants)
82 Km SW of Pescara (121014 inhabitants)
84 Km NW of Caserta (76326 inhabitants)
86 Km S of Montesilvano (53738 inhabitants)
90 Km E of Latina (125985 inhabitants)
91 Km N of Aversa (53047 inhabitants)
95 Km E of Velletri (53303 inhabitants)
95 Km E of Tivoli (56533 inhabitants)
96 Km N of Giugliano in Campania (122974 inhabitants)
98 Km NW of Acerra (59573 inhabitants)
99 Km N of Marano di Napoli (59874 inhabitants)
99 Km NW of Afragola (65057 inhabitants)
100 Km NW of Casoria (77642 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 2.0 2013-08-16
03:08:49		 41.7607 13.9168 11 2015-01-20
11:28:29		 Bollettino Sismico Italiano INGV 4645411
Reviewed
Rev100 		ML 2.0 2013-08-16
03:08:49		 41.7525 13.9105 11 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 4271611
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2013-08-16 03:08:49 ± 0.14
Latitude 41.7607 ± 0.0054
Longitude 13.9168 ± 0.0072
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 4645411

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 556
Semi-minor axis of confidence ellipse (meter) 495
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 227
Circular confidence region, given by single value of horizontal uncertainty (meter) 560.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 74
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.15918
Epicentral distance of station farthest from the epicenter (degree) 0.89213
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 13
Type of magnitude ML
Reference to an origin 4645411
Agency INGV
Autore Manually reviewed by Franco Mele
Time of creation (UTC) 2015-01-15 13:04:06

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 13
Type of magnitude ML
Reference to an origin 4271611
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2013-08-16 03:17:36
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GIUL.HHZ. 2013-08-16T03:09:09.09 0.6 undecidable manual S 248 59.2962 50 0.82 37
IV.PTQR.HHZ. 2013-08-16T03:09:06.61 0.6 undecidable manual S 304 51.5151 50 0.41 43
IV.TERO.HHZ. 2013-08-16T03:09:06.26 0.6 undecidable manual P 345 99.0231 50 -0.36 40
IV.CERT.HHZ. 2013-08-16T03:09:03.18 0.3 undecidable manual P 285 80.0643 50 -0.52 60
IV.T0104.HHZ. 2013-08-16T03:09:03.55 0.6 undecidable manual P 325 81.7515 50 -0.42 41
IV.MODR.HHZ. 2013-08-16T03:09:02.48 0.6 undecidable manual P 183 68.2761 50 0.6 40
IV.CAFR.HHZ. 2013-08-16T03:09:01.49 0.3 undecidable manual P 34 62.7927 50 0.46 63
IV.GIUL.HHZ. 2013-08-16T03:09:00.57 0.3 undecidable manual P 248 59.2962 50 0.07 69
IV.INTR.HHZ. 2013-08-16T03:09:00.09 0.3 undecidable manual S 358 27.8499 50 0.22 71
IV.FAGN.HHZ. 2013-08-16T03:09:00.59 0.3 undecidable manual P 334 62.3931 50 -0.39 64
IV.MIDA.HHZ. 2013-08-16T03:09:00.68 0.6 undecidable manual S 115 30.8469 50 0 49
IV.VVLD.HHZ. 2013-08-16T03:08:59.57 0.3 undecidable manual S 297 27.1506 50 -0.11 73
IV.PTQR.HHZ. 2013-08-16T03:08:59.20 0.1 undecidable manual P 304 51.5151 50 -0.11 93
IV.VAGA.HHZ. 2013-08-16T03:08:58.23 0.3 positive manual P 145 46.5201 50 -0.29 68
IV.RNI2.HHZ. 2013-08-16T03:08:58.25 0.6 undecidable manual S 108 20.4684 117 0.34 47
IV.CERA.HHZ. 2013-08-16T03:08:57.46 0.3 undecidable manual S 155 19.9689 118 -0.27 71
IV.POFI.HHZ. 2013-08-16T03:08:57.26 0.6 undecidable manual S 254 17.6712 121 0.22 48
IV.VVLD.HHZ. 2013-08-16T03:08:55.50 0.1 positive manual P 297 27.1506 50 -0.04 98
IV.INTR.HHZ. 2013-08-16T03:08:55.64 0.1 positive manual P 358 27.8499 50 -0.01 99
IV.MIDA.HHZ. 2013-08-16T03:08:55.94 0.1 positive manual P 115 30.8469 50 -0.18 95
IV.POFI.HHZ. 2013-08-16T03:08:54.07 0.1 positive manual P 254 17.6712 121 0.06 100
IV.CERA.HHZ. 2013-08-16T03:08:54.19 0.1 positive manual P 155 19.9689 118 -0.22 96
IV.RNI2.HHZ. 2013-08-16T03:08:54.94 0.1 positive manual P 108 20.4684 117 0.42 92
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CERA.HNE. ML:2.2 0.0011619999999999998 0.8 AML other m 2013-08-16T03:08:57.95
IV.CERA.HHE. ML:2.2 0.00122 0.8 AML other m 2013-08-16T03:08:57.55
IV.CERA.HHN. ML:2.4 0.00181 1.28 AML other m 2013-08-16T03:08:57.66
IV.CERA.HNN. ML:2.4 0.0017250000000000002 1.28 AML other m 2013-08-16T03:08:57.67
IV.CERT.HHN. ML:1.7 0.0000661 0.32 AML other m 2013-08-16T03:09:15.05
IV.CERT.HHE. ML:1.8 0.00008710000000000002 0.3 AML other m 2013-08-16T03:09:14.89
IV.FAGN.HHN. ML:2.3 0.00041349999999999997 0.42 AML other m 2013-08-16T03:09:14.28
IV.FAGN.HHE. ML:2.4 0.000516 1.58 AML other m 2013-08-16T03:09:19.38
IV.GIUL.HHE. ML:1.5 0.00006315 0.22 AML other m 2013-08-16T03:09:09.45
IV.GIUL.HHN. ML:1.7 0.00011249999999999998 0.6 AML other m 2013-08-16T03:09:09.78
IV.INTR.HHE. ML:2.1 0.0006225 1.2 AML other m 2013-08-16T03:09:01.64
IV.INTR.HHN. ML:2.2 0.0008534999999999999 0.36 AML other m 2013-08-16T03:09:02.49
IV.MIDA.HNN. ML:2.2 0.0007804999999999999 1.02 AML other m 2013-08-16T03:09:01.33
IV.MIDA.HHE. ML:2.0 0.0004904999999999999 0.5 AML other m 2013-08-16T03:09:01.38
IV.MIDA.HNE. ML:2.0 0.00045 0.52 AML other m 2013-08-16T03:09:01.39
IV.MIDA.HHN. ML:2.1 0.0006200000000000001 0.26 AML other m 2013-08-16T03:09:01.84
IV.POFI.HHE. ML:1.7 0.0003755 1.12 AML other m 2013-08-16T03:08:58.33
IV.POFI.HHN. ML:1.6 0.0003095 0.5 AML other m 2013-08-16T03:08:59.11
IV.PTQR.HHN. ML:1.7 0.000117 1.32 AML other m 2013-08-16T03:09:07.94
IV.PTQR.HHE. ML:1.7 0.0001155 0.68 AML other m 2013-08-16T03:09:08.80
IV.RNI2.HNE. ML:2.4 0.00158 0.72 AML other m 2013-08-16T03:09:02.03
IV.RNI2.HNN. ML:2.2 0.0010445 1.1 AML other m 2013-08-16T03:08:59.83
IV.RNI2.HHN. ML:2.2 0.0011 0.58 AML other m 2013-08-16T03:09:00.12
IV.RNI2.HHE. ML:2.4 0.00165 0.72 AML other m 2013-08-16T03:09:01.67
IV.T0104.HHE. ML:1.9 0.00009655 1.36 AML other m 2013-08-16T03:09:21.69
IV.T0104.HHN. ML:2.0 0.000125 0.4 AML other m 2013-08-16T03:09:22.03
IV.TERO.HHN. ML:1.4 0.00002565 0.68 AML other m 2013-08-16T03:09:25.96
IV.TERO.HHE. ML:1.3 0.00001875 1.58 AML other m 2013-08-16T03:09:31.09
IV.VAGA.HHE. ML:1.7 0.00014050000000000003 0.3 AML other m 2013-08-16T03:09:09.22
IV.VAGA.HHN. ML:1.9 0.0002205 0.2 AML other m 2013-08-16T03:09:09.94
IV.VVLD.HHE. ML:2.2 0.0007790000000000001 1.02 AML other m 2013-08-16T03:08:59.83
IV.VVLD.HHN. ML:2.3 0.0010135 0.22 AML other m 2013-08-16T03:09:00.10
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
Waveforms Seismic signals in miniseed + resp format Download