Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 11-09-2019 and time 20:35:02 (Italy) in region 2 km SW Balsorano (AQ)

A magnitude ML 1.2 earthquake occured in region: 2 km SW Balsorano (AQ), on

  • 11-09-2019 18:35:02 (UTC)
  • 11-09-2019 20:35:02 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.7930, 13.5390 at 9 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
Balsorano AQ 3 3569 3569
San Vincenzo Valle Roveto AQ 5 2347 5916
Sora FR 10 26144 32060
Morino AQ 11 1448 33508
Pescosolido FR 11 1555 35063
Villavallelonga AQ 11 919 35982
Collelongo AQ 11 1233 37215
Civita d'Antino AQ 12 979 38194
Castelliri FR 13 3454 41648
Broccostella FR 13 2741 44389
Isola del Liri FR 13 11715 56104
Campoli Appennino FR 13 1725 57829
Collepardo FR 15 968 58797
Veroli FR 15 20560 79357
Vico nel Lazio FR 16 2234 81591
Civitella Roveto AQ 17 3268 84859
Arpino FR 17 7262 92121
Monte San Giovanni Campano FR 17 12929 105050
Posta Fibreno FR 17 1139 106189
Boville Ernica FR 18 8737 114926
Fontechiari FR 18 1303 116229
Alatri FR 18 28952 145181
Trasacco AQ 18 6246 151427
Guarcino FR 19 1623 153050
Vicalvi FR 19 783 153833
Canistro AQ 20 995 154828
Luco dei Marsi AQ 20 6079 160907
Lecce nei Marsi AQ 20 1702 162609

Municipalities with at least 50000 inhabitants

An earthquake occurred to
63 Km S of L'Aquila (69753 inhabitants)
64 Km NE of Latina (125985 inhabitants)
64 Km E of Tivoli (56533 inhabitants)
64 Km E of Velletri (53303 inhabitants)
71 Km E of Guidonia Montecelio (88673 inhabitants)
77 Km E of Aprilia (73446 inhabitants)
81 Km SW of Chieti (51815 inhabitants)
85 Km E of Anzio (54211 inhabitants)
87 Km E of Pomezia (62966 inhabitants)
88 Km E of Roma (2864731 inhabitants)
93 Km SW of Pescara (121014 inhabitants)
95 Km SW of Montesilvano (53738 inhabitants)
97 Km S of Teramo (54892 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 1.2 2019-09-11
18:35:02		 41.7932 13.5387 9 2020-02-28
16:41:50		 Bollettino Sismico Italiano INGV 72331031
Reviewed
Rev100 		ML 1.2 2019-09-11
18:35:02		 41.7908 13.5427 9 2019-09-11
18:41:51		 Sala Sismica INGV-Roma 72319001
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-09-11 18:35:02 ± 0.03
Latitude 41.7932 ± 0.0018
Longitude 13.5387 ± 0.0024
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 72331031

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 181
Semi-minor axis of confidence ellipse (meter) 154
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 26
Circular confidence region, given by single value of horizontal uncertainty (meter) 180.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 46
Number of associated phases, regardless of their use for origin computation 38
Number of defining phases 37
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.64212
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 19
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 72331031
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-09-12 06:44:56

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 72319001
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-09-11 18:41:51
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LAV9.HNZ. 2019-09-11T18:35:25.97 3.0 undecidable manual S 0.33 0
IV.MIDA.HNZ. 2019-09-11T18:35:21.39 1.0 undecidable manual S 106 61.5939 50 -0.05 23
IV.LPEL.HHE. 2019-09-11T18:35:21.44 0.6 undecidable manual S 62 60.1953 50 0.37 43
IV.LATB.EHZ. 2019-09-11T18:35:20.50 0.6 undecidable manual S 235 58.1973 50 -0.03 46
IV.T0110.HHZ. 2019-09-11T18:35:19.17 0.6 undecidable manual S 22 52.2033 50 0.23 45
IV.RNI2.HNE. 2019-09-11T18:35:19.04 1.0 undecidable manual S 101 51.8037 50 0.21 23
IV.RCAV.EHZ. 2019-09-11T18:35:18.41 0.3 undecidable manual S 277 49.4172 50 0.21 68
IV.CERA.HHZ. 2019-09-11T18:35:17.07 1.0 undecidable manual S 118 45.2214 50 -0.02 24
IV.CERT.HHZ. 2019-09-11T18:35:17.96 0.3 undecidable manual S 291 49.1175 50 -0.16 69
IV.MCI.EHZ. 2019-09-11T18:35:16.03 0.3 undecidable manual S 146 40.5261 50 0.21 69
IV.INTR.HHZ. 2019-09-11T18:35:15.25 0.3 undecidable manual S 51 38.7279 50 -0.09 71
IV.VAGA.HHZ. 2019-09-11T18:35:14.79 1.0 undecidable manual P 126 71.2731 50 0.04 23
IV.GIUL.HHZ. 2019-09-11T18:35:14.59 0.3 undecidable manual S 222 35.1426 50 0.22 70
IV.LIK.EHN.01 2019-09-11T18:35:13.91 0.6 undecidable manual S 177 32.6451 50 0.2 47
IV.MIDA.HNZ. 2019-09-11T18:35:13.37 1.0 undecidable manual P 106 61.5939 50 0.12 23
IV.LATB.EHZ. 2019-09-11T18:35:12.39 1.0 undecidable manual P 235 58.1973 50 -0.33 22
IV.LPEL.HHE. 2019-09-11T18:35:12.85 1.0 undecidable manual P 62 60.1953 50 -0.18 22
IV.PTQR.HHZ. 2019-09-11T18:35:12.50 0.3 undecidable manual S 336 27.8499 108 0.33 69
IV.CERT.HHZ. 2019-09-11T18:35:11.09 0.1 undecidable manual P 291 49.1175 50 -0.23 91
IV.RCAV.EHZ. 2019-09-11T18:35:11.25 0.1 undecidable manual P 277 49.4172 50 -0.12 93
IV.T0110.HHZ. 2019-09-11T18:35:11.89 0.1 undecidable manual P 22 52.2033 50 0.09 93
IV.RNI2.HNE. 2019-09-11T18:35:11.69 0.3 undecidable manual P 101 51.8037 50 -0.05 70
IT.OPI.HGE. 2019-09-11T18:35:10.52 0.3 undecidable manual S 94 24.1536 110 -0.46 68
IV.CERA.HHZ. 2019-09-11T18:35:10.56 0.1 undecidable manual P 118 45.2214 50 -0.17 92
IV.GUAR.HHZ. 2019-09-11T18:35:09.22 0.3 undecidable manual S 271 18.6702 115 -0.01 75
IV.INTR.HHZ. 2019-09-11T18:35:09.61 0.1 negative manual P 51 38.7279 50 -0.12 95
IV.MCI.EHZ. 2019-09-11T18:35:09.83 0.3 undecidable manual P 146 40.5261 50 -0.17 70
IV.LRP.EHZ. 2019-09-11T18:35:08.74 0.3 undecidable manual S 166 16.6722 118 0.15 73
IV.GIUL.HHZ. 2019-09-11T18:35:08.88 0.1 positive manual P 222 35.1426 50 -0.28 92
IV.LIK.EHN.01 2019-09-11T18:35:08.99 1.0 undecidable manual P 177 32.6451 50 0.21 23
IV.POFI.HHZ. 2019-09-11T18:35:08.64 0.3 undecidable manual S 120 16.6722 118 0.06 75
IT.OPI.HGE. 2019-09-11T18:35:07.33 0.3 undecidable manual P 94 24.1536 110 0.12 73
IV.PTQR.HHZ. 2019-09-11T18:35:07.79 0.1 undecidable manual P 336 27.8499 108 -0.1 97
IV.VVLD.HHZ. 2019-09-11T18:35:06.80 0.3 undecidable manual S 39 10.9779 129 -0.14 74
IV.GUAR.HHZ. 2019-09-11T18:35:06.21 0.1 undecidable manual P 271 18.6702 115 0.02 100
IV.POFI.HHZ. 2019-09-11T18:35:05.92 0.1 positive manual P 120 16.6722 118 0.1 99
IV.LRP.EHZ. 2019-09-11T18:35:05.80 0.1 undecidable manual P 166 16.6722 118 -0.03 100
IV.VVLD.HHZ. 2019-09-11T18:35:05.09 0.1 negative manual P 39 10.9779 129 0.22 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.VVLD.HNE. ML:1.4 0.000332 0.22 AML other m 2019-09-11T18:35:07.14
IV.VVLD.HNN. ML:1.4 0.00032399999999999996 0.48 AML other m 2019-09-11T18:35:07.14
IV.VVLD.HHE. ML:1.4 0.00033650000000000005 0.42 AML other m 2019-09-11T18:35:07.15
IV.VVLD.HHN. ML:1.4 0.0003035 0.48 AML other m 2019-09-11T18:35:07.39
IV.POFI.HHE. ML:0.9 0.000077 0.7 AML other m 2019-09-11T18:35:09.87
IV.POFI.HHN. ML:0.9 0.0000679 0.3 AML other m 2019-09-11T18:35:09.94
IV.GUAR.HHE. ML:1.2 0.00014050000000000003 0.18 AML other m 2019-09-11T18:35:10.19
IV.GUAR.HHN. ML:1.4 0.000183 0.36 AML other m 2019-09-11T18:35:10.53
IV.PTQR.HHN. ML:1.1 0.00006375 0.76 AML other m 2019-09-11T18:35:13.92
IV.GIUL.HHN. ML:1.2 0.0000576 1.36 AML other m 2019-09-11T18:35:14.27
IV.PTQR.HHE. ML:1.0 0.0000544 1.1 AML other m 2019-09-11T18:35:15.62
IV.GIUL.HHE. ML:1.0 0.0000474 0.62 AML other m 2019-09-11T18:35:16.05
IV.CERT.HHE. ML:1.4 0.0000678 0.16 AML other m 2019-09-11T18:35:19.02
IV.CERT.HHN. ML:1.3 0.000050299999999999996 0.86 AML other m 2019-09-11T18:35:19.64
IV.CERA.HHE. ML:1.2 0.00004815 0.42 AML other m 2019-09-11T18:35:21.41
IV.CERA.HHN. ML:1.1 0.000041400000000000003 0.46 AML other m 2019-09-11T18:35:22.28
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