Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 07-07-2019 and time 23:49:26 (Italy) in region 1 km E Scanno (AQ)

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

  • 07-07-2019 21:49:26 (UTC)
  • 07-07-2019 23:49:26 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.9040, 13.8890 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 6 568 2415
Rocca Pia AQ 8 178 2593
Pettorano sul Gizio AQ 10 1376 3969
Bisegna AQ 11 223 4192
Introdacqua AQ 12 2126 6318
Anversa degli Abruzzi AQ 12 341 6659
Pescasseroli AQ 13 2203 8862
Bugnara AQ 13 1125 9987
Villetta Barrea AQ 15 653 10640
Opi AQ 15 420 11060
Pescocostanzo AQ 15 1128 12188
Rivisondoli AQ 15 700 12888
Cansano AQ 15 274 13162
Civitella Alfedena AQ 16 296 13458
Sulmona AQ 16 24557 38015
Ortona dei Marsi AQ 17 542 38557
Roccaraso AQ 17 1627 40184
Lecce nei Marsi AQ 17 1702 41886
Gioia dei Marsi AQ 17 1989 43875
Cocullo AQ 17 230 44105
Campo di Giove AQ 18 803 44908
Prezza AQ 18 945 45853
Barrea AQ 18 726 46579
Pacentro AQ 19 1174 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)
97 Km E of Guidonia Montecelio (88673 inhabitants)
99 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 1.0 2019-07-07
21:49:26		 41.9042 13.8892 11 2019-11-13
14:30:53		 Bollettino Sismico Italiano INGV 70370971
Reviewed
Rev100 		ML 1.0 2019-07-07
21:49:26		 41.906 13.8917 10 2019-07-07
21:55:37		 Sala Sismica INGV-Roma 70343961
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-07-07 21:49:26 ± 0.06
Latitude 41.9042 ± 0.0027
Longitude 13.8892 ± 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 70370971

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 372
Semi-minor axis of confidence ellipse (meter) 91
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 286
Circular confidence region, given by single value of horizontal uncertainty (meter) 370.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 86
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.10792
Epicentral distance of station farthest from the epicenter (degree) 0.37772
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 70370971
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-07-08 12:22:12

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 70343961
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-07-07 21:55:37
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MIDA.HNZ. 2019-07-07T21:49:40.41 0.3 undecidable manual S 134 41.9247 50 0.08 72
IV.T0110.HHE. 2019-07-07T21:49:39.30 0.3 undecidable manual S 346 37.2294 50 0.21 71
IV.LRP.EHZ. 2019-07-07T21:49:39.16 0.3 undecidable manual S 221 37.9287 50 -0.11 72
IV.CERA.HNN. 2019-07-07T21:49:38.87 0.3 undecidable manual S 162 35.6421 50 0.22 71
IV.RNI2.HNE. 2019-07-07T21:49:37.78 1.0 undecidable manual S 136 31.1466 50 0.33 23
IV.LPEL.HHZ. 2019-07-07T21:49:36.69 0.3 undecidable manual S 57 28.9488 50 -0.18 72
IV.VVLD.HHZ. 2019-07-07T21:49:35.11 0.3 undecidable manual S 260 22.2555 50 0.02 75
IV.POFI.HHZ. 2019-07-07T21:49:35.71 0.3 undecidable manual S 215 25.3524 50 -0.19 72
IV.MIDA.HNZ. 2019-07-07T21:49:34.76 0.1 undecidable manual P 134 41.9247 50 0.21 93
IT.SULP.HGN. 2019-07-07T21:49:34.77 0.3 undecidable manual S 9 20.2686 50 0.22 73
IV.LRP.EHZ. 2019-07-07T21:49:33.54 0.3 undecidable manual P 221 37.9287 50 -0.4 68
IV.T0110.HHE. 2019-07-07T21:49:33.86 0.1 undecidable manual P 346 37.2294 50 0.03 98
IV.CERA.HNN. 2019-07-07T21:49:33.67 0.1 undecidable manual P 162 35.6421 50 0.09 97
IT.OPI.HGE. 2019-07-07T21:49:33.09 0.3 undecidable manual S 199 14.9739 126 -0.01 77
IV.LPEL.HHZ. 2019-07-07T21:49:32.27 0.1 undecidable manual P 57 28.9488 50 -0.28 94
IV.RNI2.HNE. 2019-07-07T21:49:32.53 0.3 undecidable manual P 136 31.1466 50 -0.36 69
IV.INTR.HHZ. 2019-07-07T21:49:32.16 0.3 undecidable manual S 6 11.9769 132 -0.14 75
IV.POFI.HHZ. 2019-07-07T21:49:32.08 0.1 positive manual P 215 25.3524 50 0.08 99
IV.VVLD.HHZ. 2019-07-07T21:49:31.62 0.1 positive manual P 260 22.2555 50 0.09 99
IV.INTR.HHZ. 2019-07-07T21:49:30.06 0.1 positive manual P 6 11.9769 132 0.15 100
IT.OPI.HGE. 2019-07-07T21:49:30.49 0.1 undecidable manual P 199 14.9739 126 0.11 100
IT.SULP.HGN. 2019-07-07T21:49:30.77 1.0 undecidable manual P 9 20.2686 50 -0.44 23
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.INTR.HHE. ML:1.2 0.00015585535 0.2432 AML other m 2019-07-07T21:49:32.44
IV.INTR.HNE. ML:1.3 0.0002287724 0.2432 AML other m 2019-07-07T21:49:32.44
IV.INTR.HHN. ML:1.3 0.00019344945 0.192 AML other m 2019-07-07T21:49:32.81
IV.INTR.HNN. ML:1.2 0.00017959170000000002 0.192 AML other m 2019-07-07T21:49:32.81
IV.VVLD.HHE. ML:1.1 0.00008269636 0.1536 AML other m 2019-07-07T21:49:35.26
IV.VVLD.HHN. ML:1.1 0.00007581485 0.2688 AML other m 2019-07-07T21:49:35.52
IV.LPEL.HHN. ML:0.5 0.000014510369000000001 0.1152 AML other m 2019-07-07T21:49:37.64
IV.LPEL.HHE. ML:0.6 0.000021293365000000003 0.1408 AML other m 2019-07-07T21:49:38.68
IV.LRP.EHN. ML:0.4 0.000010933842499999998 0.1536 AML other m 2019-07-07T21:49:40.13
IV.LRP.EHE. ML:0.7 0.0000179121785 0.1536 AML other m 2019-07-07T21:49:40.68
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