Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 11-07-2019 and time 11:41:36 (UTC) in region 1 km NE Scanno (AQ)

A magnitude ML 1.2 earthquake occured in region: 1 km NE Scanno (AQ), on

  • 11-07-2019 11:41:36 (UTC)
  • 11-07-2019 13:41:36 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.9080, 13.8870 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
Scanno AQ 1 1847 1847
Villalago AQ 5 568 2415
Rocca Pia AQ 8 178 2593
Pettorano sul Gizio AQ 10 1376 3969
Bisegna AQ 11 223 4192
Introdacqua AQ 11 2126 6318
Anversa degli Abruzzi AQ 12 341 6659
Bugnara AQ 13 1125 7784
Pescasseroli AQ 14 2203 9987
Opi AQ 15 420 10407
Villetta Barrea AQ 15 653 11060
Pescocostanzo AQ 15 1128 12188
Cansano AQ 15 274 12462
Rivisondoli AQ 16 700 13162
Sulmona AQ 16 24557 37719
Civitella Alfedena AQ 16 296 38015
Ortona dei Marsi AQ 16 542 38557
Lecce nei Marsi AQ 17 1702 40259
Cocullo AQ 17 230 40489
Gioia dei Marsi AQ 17 1989 42478
Prezza AQ 17 945 43423
Roccaraso AQ 17 1627 45050
Campo di Giove AQ 18 803 45853
Pacentro AQ 18 1174 47027
Barrea AQ 19 726 47753

Municipalities with at least 50000 inhabitants

An earthquake occurred to
55 Km SW of Chieti (51815 inhabitants)
64 Km SE of L'Aquila (69753 inhabitants)
68 Km SW of Pescara (121014 inhabitants)
71 Km SW of Montesilvano (53738 inhabitants)
85 Km S of Teramo (54892 inhabitants)
90 Km E of Tivoli (56533 inhabitants)
95 Km NE of Latina (125985 inhabitants)
95 Km E of Velletri (53303 inhabitants)
96 Km E of Guidonia Montecelio (88673 inhabitants)
100 Km NW of Caserta (76326 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 2019-07-11
11:41:36		 41.9077 13.8867 11 2019-11-13
14:30:54		 Bollettino Sismico Italiano INGV 70501421
Reviewed
Rev100 		ML 1.3 2019-07-11
11:41:36		 41.9067 13.8868 10 2019-07-11
11:46:09		 Sala Sismica INGV-Roma 70470861
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-07-11 11:41:36 ± 0.08
Latitude 41.9077 ± 0.0027
Longitude 13.8867 ± 0.0048
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 70501421

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 336
Semi-minor axis of confidence ellipse (meter) 216
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 109
Circular confidence region, given by single value of horizontal uncertainty (meter) 340.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 87
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.13760
Epicentral distance of station farthest from the epicenter (degree) 0.38131
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 70470861
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-07-11 11:46:09

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 70501421
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-07-12 13:09:05
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MIDA.HHZ. 2019-07-11T11:41:50.12 0.3 undecidable manual S 134 42.3243 50 0.15 71
IV.CERA.HHZ. 2019-07-11T11:41:48.56 0.3 undecidable manual S 162 36.0417 50 0.27 70
IV.T0110.HHZ. 2019-07-11T11:41:48.78 0.3 undecidable manual S 346 36.8298 50 0.28 70
IV.RNI2.HHZ. 2019-07-11T11:41:47.15 0.6 undecidable manual S 136 31.5462 50 0.06 49
IV.LPEL.HHZ. 2019-07-11T11:41:46.15 0.3 undecidable manual S 58 28.9488 50 -0.24 71
IV.POFI.HHZ. 2019-07-11T11:41:45.11 0.3 undecidable manual S 214 25.5522 50 -0.38 69
IV.VVLD.HHZ. 2019-07-11T11:41:44.54 0.3 undecidable manual S 259 22.1556 50 -0.04 75
IV.MIDA.HHZ. 2019-07-11T11:41:44.16 0.1 undecidable manual P 134 42.3243 50 0.03 97
IT.SULP.HGN. 2019-07-11T11:41:43.88 0.3 undecidable manual S 10 19.9689 50 -0.11 74
IV.CERA.HHZ. 2019-07-11T11:41:43.15 0.1 undecidable manual P 162 36.0417 50 -0.02 98
IV.T0110.HHZ. 2019-07-11T11:41:43.39 0.1 undecidable manual P 346 36.8298 50 0.1 96
IT.OPI.HGZ. 2019-07-11T11:41:42.57 0.3 undecidable manual S 198 15.2736 125 -0.12 75
IV.RNI2.HHZ. 2019-07-11T11:41:42.68 1.0 undecidable manual P 136 31.5462 50 0.2 24
IV.LPEL.HHZ. 2019-07-11T11:41:41.78 0.1 positive manual P 58 28.9488 50 -0.28 94
IV.VVLD.HHZ. 2019-07-11T11:41:41.08 0.1 positive manual P 259 22.1556 50 0.05 100
IV.POFI.HHZ. 2019-07-11T11:41:41.54 0.1 positive manual P 214 25.5522 50 -0.01 100
IT.OPI.HGZ. 2019-07-11T11:41:40.04 0.1 negative manual P 198 15.2736 125 0.11 100
IT.SULP.HGN. 2019-07-11T11:41:40.81 0.3 undecidable manual P 10 19.9689 50 0.12 74
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.VVLD.HHE. ML:1.6 0.000259 0.14 AML other m 2019-07-11T11:41:44.72
IV.VVLD.HHN. ML:1.6 0.000256 0.28 AML other m 2019-07-11T11:41:44.85
IV.POFI.HHN. ML:1.0 0.00005675 0.86 AML other m 2019-07-11T11:41:46.76
IV.POFI.HHE. ML:1.1 0.00006379999999999999 0.28 AML other m 2019-07-11T11:41:47.15
IV.T0110.HHE. ML:1.4 0.00009894999999999999 0.7 AML other m 2019-07-11T11:41:49.25
IV.CERA.HHN. ML:1.3 0.00006994999999999999 1.14 AML other m 2019-07-11T11:41:49.69
IV.CERA.HHE. ML:1.3 0.00006755 0.8 AML other m 2019-07-11T11:41:51.43
IV.T0110.HHN. ML:1.3 0.00007960000000000001 1.54 AML other m 2019-07-11T11:41:52.16
IV.POFI.HNE. ML:1.1 0.00007100225 0.1984 AML other m 2019-07-11T11:41:46.68
IV.POFI.HNN. ML:1.1 0.00006506171 0.2624 AML other m 2019-07-11T11:41:45.93
IV.LPEL.HHE. ML:1.2 0.00007122017499999999 0.1152 AML other m 2019-07-11T11:41:48.09
IV.LPEL.HHN. ML:0.9 0.000038825865 0.096 AML other m 2019-07-11T11:41:48.76
IV.RNI2.HNN. ML:1.4 0.00010963048 2.336 AML other m 2019-07-11T11:41:53.14
IV.RNI2.HHE. ML:1.1 0.00005844438 0.16 AML other m 2019-07-11T11:41:50.60
IV.RNI2.HNE. ML:1.4 0.00010066235 3.52 AML other m 2019-07-11T11:41:57.30
IV.RNI2.HHN. ML:1.3 0.000096004545 2.3168 AML other m 2019-07-11T11:41:53.14
IV.MIDA.HHE. ML:0.8 0.0000205843325 0.1792 AML other m 2019-07-11T11:41:51.23
IV.MIDA.HHN. ML:0.9 0.000025679069999999997 0.2176 AML other m 2019-07-11T11:41:53.32
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