Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 10-11-2019 and time 20:37:21 (Italy) in region 1 km W Opi (AQ)

A magnitude ML 1.0 earthquake occured in region: 1 km W Opi (AQ), on

  • 10-11-2019 19:37:21 (UTC)
  • 10-11-2019 20:37:21 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.7830, 13.8200 at 12 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
Opi AQ 1 420 420
Pescasseroli AQ 4 2203 2623
San Donato Val di Comino FR 8 2107 4730
Villetta Barrea AQ 9 653 5383
Civitella Alfedena AQ 10 296 5679
Alvito FR 12 2713 8392
Campoli Appennino FR 13 1725 10117
Settefrati FR 13 728 10845
Gallinaro FR 14 1269 12114
Pescosolido FR 14 1555 13669
Posta Fibreno FR 14 1139 14808
Scanno AQ 14 1847 16655
Barrea AQ 15 726 17381
Vicalvi FR 15 783 18164
Picinisco FR 16 1218 19382
Bisegna AQ 16 223 19605
Villalago AQ 17 568 20173
Fontechiari FR 17 1303 21476
Broccostella FR 18 2741 24217
Atina FR 18 4316 28533
Sora FR 18 26144 54677
Alfedena AQ 19 864 55541
Villavallelonga AQ 19 919 56460
Scontrone AQ 19 574 57034
Villa Latina FR 19 1241 58275
Casalvieri FR 19 2698 60973
Casalattico FR 20 574 61547
Lecce nei Marsi AQ 20 1702 63249

Municipalities with at least 50000 inhabitants

An earthquake occurred to
70 Km SW of Chieti (51815 inhabitants)
72 Km SE of L'Aquila (69753 inhabitants)
83 Km SW of Pescara (121014 inhabitants)
84 Km E of Latina (125985 inhabitants)
86 Km SW of Montesilvano (53738 inhabitants)
87 Km E of Tivoli (56533 inhabitants)
87 Km E of Velletri (53303 inhabitants)
90 Km NW of Caserta (76326 inhabitants)
94 Km E of Guidonia Montecelio (88673 inhabitants)
96 Km NW of Aversa (53047 inhabitants)
98 Km S of Teramo (54892 inhabitants)
100 Km E of Aprilia (73446 inhabitants)
100 Km NW of Giugliano in Campania (122974 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 1.0 2019-11-10
19:37:21		 41.7833 13.82 12 2020-02-28
16:42:04		 Bollettino Sismico Italiano INGV 73824151
Reviewed
Rev100 		ML 1.1 2019-11-10
19:37:21		 41.7903 13.8275 10 2019-11-10
19:41:26		 Sala Sismica INGV-Roma 73775161
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-11-10 19:37:21 ± 0.04
Latitude 41.7833 ± 0.0018
Longitude 13.8200 ± 0.0024
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 73824151

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 219
Semi-minor axis of confidence ellipse (meter) 68
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 334
Circular confidence region, given by single value of horizontal uncertainty (meter) 220.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 62
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 29
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) 0.01079
Epicentral distance of station farthest from the epicenter (degree) 0.64571
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:1.1

Field Value
Value 1.1
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 73775161
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-11-10 19:41:26

ML:1.0

Field Value
Value 1.0
Uncertainty 0.1
Num. used stations 15
Type of magnitude ML
Reference to an origin 73824151
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-11-14 10:49:49
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CERT.HHE. 2019-11-10T19:37:42.72 0.6 undecidable manual S 285 71.6727 90 -0.24 44
IV.GIUL.HHZ. 2019-11-10T19:37:38.08 0.6 undecidable manual S 242 53.1024 91 0.07 47
IV.T0110.HHZ. 2019-11-10T19:37:37.02 0.3 undecidable manual S 356 49.617 91 -0.05 71
IV.LPEL.HHE. 2019-11-10T19:37:35.14 0.3 undecidable manual S 46 41.8248 91 0.13 71
IV.GUAR.HNN. 2019-11-10T19:37:35.29 0.3 undecidable manual S 272 42.0246 91 0.24 70
IV.PTQR.HHZ. 2019-11-10T19:37:35.65 0.3 undecidable manual S 308 43.623 91 0.18 70
IV.CERT.HHE. 2019-11-10T19:37:33.77 0.3 undecidable manual P 285 71.6727 90 -0.06 68
IV.MCI.EHE. 2019-11-10T19:37:32.50 0.6 undecidable manual S 181 32.4453 91 0.01 49
IV.RNI2.HNE. 2019-11-10T19:37:31.93 0.6 undecidable manual S 108 28.9488 92 0.38 46
IV.GIUL.HHZ. 2019-11-10T19:37:31.04 0.1 undecidable manual P 242 53.1024 91 0.06 94
IV.CERA.HHZ. 2019-11-10T19:37:30.66 0.3 undecidable manual S 141 26.3514 92 -0.21 71
IV.T0110.HHZ. 2019-11-10T19:37:30.42 0.1 undecidable manual P 356 49.617 91 -0.02 96
IV.INTR.HHZ. 2019-11-10T19:37:30.63 0.3 undecidable manual S 15 26.2515 92 -0.21 72
IV.LRP.EHZ. 2019-11-10T19:37:30.40 0.3 undecidable manual S 232 24.5532 92 0.01 75
IV.LPEL.HHE. 2019-11-10T19:37:29.14 0.1 undecidable manual P 46 41.8248 91 -0.1 95
IV.GUAR.HNN. 2019-11-10T19:37:29.18 0.3 undecidable manual P 272 42.0246 91 -0.09 71
IV.PTQR.HHZ. 2019-11-10T19:37:29.44 0.3 undecidable manual P 308 43.623 91 -0.07 72
IV.MIDA.HNZ. 2019-11-10T19:37:28.69 0.3 undecidable manual P 113 39.2274 91 -0.15 71
IV.VVLD.HHZ. 2019-11-10T19:37:28.67 0.3 undecidable manual S 301 18.87 94 -0.2 73
IV.MCI.EHE. 2019-11-10T19:37:27.94 1.0 undecidable manual P 181 32.4453 91 0.14 24
IV.RNI2.HNE. 2019-11-10T19:37:27.59 0.6 undecidable manual P 108 28.9488 92 0.34 46
IV.LRP.EHZ. 2019-11-10T19:37:26.37 0.3 undecidable manual P 232 24.5532 92 -0.21 72
IV.CERA.HHZ. 2019-11-10T19:37:26.77 0.1 positive manual P 141 26.3514 92 -0.08 98
IV.POFI.HHZ. 2019-11-10T19:37:26.80 0.3 undecidable manual S 231 11.5773 116 -0.18 74
IV.INTR.HHZ. 2019-11-10T19:37:26.86 0.1 positive manual P 15 26.2515 92 0.02 99
IV.VVLD.HHZ. 2019-11-10T19:37:25.86 0.3 undecidable manual P 301 18.87 94 0.16 74
IT.OPI.HGE. 2019-11-10T19:37:25.19 0.3 undecidable manual S 133 1.1988 173 -0.17 75
IV.POFI.HHZ. 2019-11-10T19:37:24.82 0.1 positive manual P 231 11.5773 116 0.21 98
IT.OPI.HGE. 2019-11-10T19:37:23.88 0.1 negative manual P 133 1.1988 173 0.21 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.POFI.HHE. ML:1.2 0.00015749999999999998 0.18 AML other m 2019-11-10T19:37:27.29
IV.POFI.HHN. ML:1.1 0.000141 0.7 AML other m 2019-11-10T19:37:27.24
IV.VVLD.HHE. ML:1.1 0.0000919 1.7 AML other m 2019-11-10T19:37:28.94
IV.VVLD.HHN. ML:1.0 0.0000687 1.76 AML other m 2019-11-10T19:37:29.94
IV.POFI.HNE. ML:1.2 0.000162233135 0.1152 AML other m 2019-11-10T19:37:27.31
IV.POFI.HNN. ML:1.1 0.0001284907 0.1408 AML other m 2019-11-10T19:37:27.25
IV.VVLD.HNN. ML:1.0 0.00006774274999999999 0.2176 AML other m 2019-11-10T19:37:28.95
IV.VVLD.HNE. ML:1.1 0.000082765975 0.1408 AML other m 2019-11-10T19:37:29.04
IV.LRP.EHE. ML:0.9 0.000047841355 0.2432 AML other m 2019-11-10T19:37:31.05
IV.LRP.EHN. ML:0.7 0.00003054771415 0.2432 AML other m 2019-11-10T19:37:31.87
IV.CERA.HNE. ML:0.9 0.000046504005 0.3584 AML other m 2019-11-10T19:37:32.00
IV.CERA.HHN. ML:0.7 0.00003109538 0.2432 AML other m 2019-11-10T19:37:31.19
IV.CERA.HHE. ML:0.9 0.00004736505 0.3584 AML other m 2019-11-10T19:37:32.81
IV.INTR.HHE. ML:1.0 0.00005357671 0.1792 AML other m 2019-11-10T19:37:31.10
IV.INTR.HHN. ML:0.9 0.0000474737625 0.1152 AML other m 2019-11-10T19:37:31.87
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