Earthquake with magnitude of ML 1.1 on date 16-09-2019 and time 07:32:46 (Italy) in region 8 km W Arquata del Tronto (AP)

A magnitude ML 1.1 earthquake occured in region: 8 km W Arquata del Tronto (AP), on

  • 16-09-2019 05:32:46 (UTC)
  • 16-09-2019 07:32:46 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7850, 13.2030 at 12 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Arquata del Tronto AP 8 1178 1178
Norcia PG 9 4957 6135
Accumoli RI 11 667 6802
Montegallo AP 13 523 7325
Castelsantangelo sul Nera MC 13 281 7606
Montemonaco AP 16 604 8210
Acquasanta Terme AP 17 2916 11126
Preci PG 17 724 11850
Cascia PG 17 3217 15067
Ussita MC 19 444 15511
Amatrice RI 19 2657 18168
Visso MC 19 1107 19275
Cittareale RI 19 482 19757

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km W of Teramo (54892 inhabitants)
45 Km E of Foligno (57155 inhabitants)
51 Km NW of L'Aquila (69753 inhabitants)
52 Km E of Terni (111501 inhabitants)
75 Km E of Perugia (166134 inhabitants)
83 Km W of Montesilvano (53738 inhabitants)
90 Km W of Pescara (121014 inhabitants)
93 Km NW of Chieti (51815 inhabitants)
96 Km NE of Guidonia Montecelio (88673 inhabitants)
96 Km S of Ancona (100861 inhabitants)
97 Km NE of Tivoli (56533 inhabitants)
99 Km E of Viterbo (67173 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
Reviewed
Rev100
ML 1.1 2019-09-16
05:32:46
42.7853 13.2032 12 2019-09-16
05:43:38
Sala Sismica INGV-Roma 72449531
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-09-16 05:32:46 ± 0.05
Latitude 42.7853 ± 0.0027
Longitude 13.2032 ± 0.0049
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 72449531

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 358
Semi-minor axis of confidence ellipse (meter) 155
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 259
Circular confidence region, given by single value of horizontal uncertainty (meter) 360.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 58
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 22
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) 0.42898
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 15
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 72449531
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-09-16 05:43:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.APEC.HHZ. 2019-09-16T05:33:20.47 3.0 undecidable manual S -0.58 0
IV.ARVD.HHZ. 2019-09-16T05:33:02.67 3.0 negative manual P 0.61 0
IV.RM33.EHZ. 2019-09-16T05:32:57.84 0.3 undecidable manual S 178 30.6471 92 0.33 72
IV.GAVE.EHZ. 2019-09-16T05:32:56.73 0.6 undecidable manual S 248 27.2505 92 0.15 51
IV.GIGS.HHZ. 2019-09-16T05:32:55.40 0.3 undecidable manual P 141 47.619 91 -0.22 71
IV.SMA1.EHZ. 2019-09-16T05:32:54.59 0.3 undecidable manual S 148 20.2686 95 -0.15 76
IV.MTRA.EHZ. 2019-09-16T05:32:53.47 0.6 undecidable manual S 101 16.0728 100 -0.15 51
IV.MF5.EHE. 2019-09-16T05:32:53.58 0.6 undecidable manual P 43 30.6471 92 0.58 44
IV.RM33.EHZ. 2019-09-16T05:32:53.02 0.3 undecidable manual P 178 30.6471 92 0.01 76
IV.CSP1.EHZ. 2019-09-16T05:32:53.48 0.3 undecidable manual P 0 33.9438 92 -0.04 75
IV.CESI.HHE. 2019-09-16T05:32:53.55 0.6 undecidable manual P 315 34.3434 92 -0.03 50
IV.MC2.EHZ. 2019-09-16T05:32:53.28 0.3 undecidable manual S 355 13.9749 107 0.19 75
IV.MMO1.EHZ. 2019-09-16T05:32:53.59 0.3 undecidable manual S 38 16.1727 100 -0.05 78
IV.CAMP.HHE. 2019-09-16T05:32:53.13 0.3 undecidable manual P 149 32.3454 92 -0.14 74
IV.GAVE.EHZ. 2019-09-16T05:32:52.46 0.3 undecidable manual P 248 27.2505 92 -0.01 76
IV.LNSS.HHZ. 2019-09-16T05:32:52.05 0.3 undecidable manual P 213 24.2535 93 0.04 77
IT.MTCL.HGZ. 2019-09-16T05:32:52.48 0.3 undecidable manual P 324 28.4493 92 -0.18 73
IV.NRCA.HHZ. 2019-09-16T05:32:51.68 0.3 undecidable manual S 306 8.9799 129 -0.22 76
IV.FEMA.HNZ. 2019-09-16T05:32:51.73 0.1 undecidable manual P 328 23.2545 93 -0.13 100
IV.SMA1.EHZ. 2019-09-16T05:32:51.48 0.3 undecidable manual P 148 20.2686 95 0.07 77
IV.MC2.EHZ. 2019-09-16T05:32:50.62 0.3 undecidable manual P 355 13.9749 107 0.16 76
IV.MMO1.EHZ. 2019-09-16T05:32:50.83 0.3 undecidable manual P 38 16.1727 100 0.05 77
IV.MTRA.EHZ. 2019-09-16T05:32:50.79 0.3 undecidable manual P 101 16.0728 100 0.03 78
IV.NRCA.HHZ. 2019-09-16T05:32:49.87 0.3 undecidable manual P 306 8.9799 129 0.1 78
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHN. ML:1.1 0.00009104999999999999 1.88 AML other m 2019-09-16T05:32:54.94
IV.SMA1.EHE. ML:1.1 0.00008829999999999999 1.44 AML other m 2019-09-16T05:32:54.94
IV.GAVE.EHE. ML:1.0 0.00005434999999999999 0.4 AML other m 2019-09-16T05:32:57.00
IV.GAVE.EHN. ML:1.1 0.0000577 0.9 AML other m 2019-09-16T05:32:57.22
IV.RM33.EHN. ML:0.7 0.000024599999999999998 1.06 AML other m 2019-09-16T05:32:58.80
IV.RM33.EHE. ML:0.6 0.0000206 0.8 AML other m 2019-09-16T05:32:58.71
IV.TERO.HHN. ML:1.4 0.00009405 0.06 AML other m 2019-09-16T05:32:59.67
IV.TERO.HHE. ML:1.3 0.0000753 0.06 AML other m 2019-09-16T05:32:59.64
IV.ARVD.HHE. ML:1.2 0.0000194 0.06 AML other m 2019-09-16T05:33:03.19
IV.ARVD.HHN. ML:1.0 0.0000164 0.54 AML other m 2019-09-16T05:33:07.08
IV.MTRA.EHE. ML:1.0 0.000094519365 0.16 AML other m 2019-09-16T05:32:54.59
IV.MTRA.EHN. ML:1.1 0.00010238516 0.16 AML other m 2019-09-16T05:32:54.35
IV.MTRA.HNE. ML:1.1 0.000100962075 0.16 AML other m 2019-09-16T05:32:54.59
IV.MTRA.HNN. ML:1.2 0.00012868725 0.2112 AML other m 2019-09-16T05:32:53.54
IV.GIGS.HHE. ML:0.0 0.000005165057000000001 0.0608 AML other m 2019-09-16T05:33:03.55
IV.GIGS.HHN. ML:0.0 0.0000047398915 0.0992 AML other m 2019-09-16T05:33:02.44
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download