Earthquake with magnitude of ML 1.5 on date 17-07-2019 and time 23:50:22 (Italy) in region 6 km W Arquata del Tronto (AP)

A magnitude ML 1.5 earthquake occured in region: 6 km W Arquata del Tronto (AP), on

  • 17-07-2019 21:50:22 (UTC)
  • 17-07-2019 23:50:22 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.75, 13.23 at 11 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 6 1178 1178
Accumoli RI 7 667 1845
Norcia PG 12 4957 6802
Montegallo AP 13 523 7325
Amatrice RI 15 2657 9982
Acquasanta Terme AP 15 2916 12898
Cittareale RI 16 482 13380
Castelsantangelo sul Nera MC 17 281 13661
Cascia PG 18 3217 16878
Montemonaco AP 18 604 17482

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km W of Teramo (54892 inhabitants)
47 Km NW of L'Aquila (69753 inhabitants)
48 Km E of Foligno (57155 inhabitants)
52 Km E of Terni (111501 inhabitants)
79 Km SE of Perugia (166134 inhabitants)
80 Km W of Montesilvano (53738 inhabitants)
87 Km W of Pescara (121014 inhabitants)
89 Km NW of Chieti (51815 inhabitants)
93 Km NE of Guidonia Montecelio (88673 inhabitants)
95 Km NE of Tivoli (56533 inhabitants)
99 Km S of Ancona (100861 inhabitants)
99 Km E of Viterbo (67173 inhabitants)
Recent and historical Seismicity
Seismic hazard
Shakemap
Felt maps
The earthquake effects in MCS scale as obtained from the compiled questionnaire

The earthquake effects in MCS scale as obtained from the compiled questionnaire

This map shows the distribution of the effects of the earthquake on the territory in terms of the MCS (Mercalli-Cancani-Sieberg) intensity scale. The intensities are determined using the data provided in the questionnaire (http://www.haisentitoilterremoto.it/) that are analysed using robust statistical techniques since they are not verified individually. Specifically, the assignment of MCS intensities greater or equal the VI degree of the MCS scale require opportune in situ verification by professional experts. The purple start shows the epicenter. This map is prepared every so often that the population fill in new questionnaires. The number of questionnaires used to determine the map and the date and time of the last adjournment are shown in the upper right part of the panel.
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Rev 100 ML 1.5 2019-07-17
21:50:22
42.75 13.23 11 2019-07-17
21:57:29
Sala Sismica INGV-Roma 70663481
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-07-17 21:50:22 ± 0.06
Latitude 42.75 ± 0.00
Longitude 13.23 ± 0.01
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 70663481

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 497
Semi-minor axis of confidence ellipse (meter) 212
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 77
Circular confidence region, given by single value of horizontal uncertainty (meter) 500
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 78
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 29
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.55398
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 18
Magnitude information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 39
Type of magnitude ML
Reference to an origin 70663481
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-07-17 21:57:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.VVLD.HHZ. 2019-07-17T21:50:53.70 3.0 undecidable manual S -1.3 0
IV.FAGN.HHZ. 2019-07-17T21:50:34.02 0.6 undecidable manual P 152 0.554 50 0.74 38
IV.FDMO.HHZ. 2019-07-17T21:50:33.31 0.3 undecidable manual S 340 0.3004 50 -0.47 66
IV.MF5.EHZ. 2019-07-17T21:50:33.90 0.3 undecidable manual S 36 0.2887 50 0.46 67
IV.MOMA.HHZ. 2019-07-17T21:50:32.25 3.0 negative manual P -0.14 0
IV.RM33.EHZ. 2019-07-17T21:50:32.13 0.3 undecidable manual S 182 0.2455 50 -0.02 74
IV.CAMP.HHZ. 2019-07-17T21:50:32.07 0.3 undecidable manual S 149 0.2554 50 -0.4 68
IV.GAVE.EHZ. 2019-07-17T21:50:32.54 0.3 undecidable manual S 256 0.2527 50 0.17 72
IV.LNSS.HHZ. 2019-07-17T21:50:31.37 0.3 undecidable manual S 222 0.2041 50 0.42 68
IV.FIAM.HHZ. 2019-07-17T21:50:31.88 0.3 undecidable manual P 190 0.4928 50 -0.35 66
IV.MNTT.EHZ. 2019-07-17T21:50:31.45 3.0 negative manual P 0.21 0
IV.OFFI.HHZ. 2019-07-17T21:50:30.91 0.1 undecidable manual P 62 0.3813 50 0.58 84
IV.SAP2.EHE. 2019-07-17T21:50:30.24 0.3 undecidable manual P 20 0.3642 50 0.2 69
IV.ARRO.EHZ. 2019-07-17T21:50:30.43 3.0 negative manual P -0.01 0
IV.GIGS.HHZ. 2019-07-17T21:50:30.24 0.1 undecidable manual P 140 0.3939 50 -0.29 90
IV.MMO1.EHZ. 2019-07-17T21:50:29.26 0.3 undecidable manual S 27 0.1619 120 -0.31 71
IV.MC2.EHZ. 2019-07-17T21:50:29.47 0.3 undecidable manual S 350 0.1592 121 -0.01 75
IV.CESI.HHE. 2019-07-17T21:50:29.48 0.3 undecidable manual P 317 0.3444 50 -0.22 69
IV.GAVE.EHZ. 2019-07-17T21:50:28.06 0.1 undecidable manual P 256 0.2527 50 -0.06 97
IV.SMA1.EHZ. 2019-07-17T21:50:28.74 0.3 undecidable manual S 147 0.1466 123 -0.32 71
IV.NRCA.HNZ. 2019-07-17T21:50:28.03 0.3 undecidable manual S 314 0.1151 130 -0.04 75
IV.FDMO.HHZ. 2019-07-17T21:50:28.69 0.6 negative manual P 340 0.3004 50 -0.25 46
IV.T1299.EHE. 2019-07-17T21:50:28.76 0.3 undecidable manual S 162 0.1268 127 0.34 71
IV.FEMA.HNE. 2019-07-17T21:50:28.17 0.3 undecidable manual P 328 0.2455 50 0.17 72
IV.MF5.EHZ. 2019-07-17T21:50:28.78 0.3 undecidable manual P 36 0.2887 50 0.04 73
IV.LNSS.HHZ. 2019-07-17T21:50:27.24 0.1 undecidable manual P 222 0.2041 50 -0.06 98
IV.RM33.EHZ. 2019-07-17T21:50:27.87 0.1 undecidable manual P 182 0.2455 50 -0.13 96
IV.CAMP.HHZ. 2019-07-17T21:50:27.90 0.1 undecidable manual P 149 0.2554 50 -0.28 93
IV.MC2.EHZ. 2019-07-17T21:50:26.48 0.1 undecidable manual P 350 0.1592 121 0.02 100
IV.SMA1.EHZ. 2019-07-17T21:50:26.29 0.1 undecidable manual P 147 0.1466 123 0.08 99
IV.T1299.EHE. 2019-07-17T21:50:26.15 0.3 undecidable manual P 162 0.1268 127 0.31 71
IV.MMO1.EHZ. 2019-07-17T21:50:26.38 0.1 undecidable manual P 27 0.1619 120 -0.12 98
IV.MTRA.HNZ. 2019-07-17T21:50:25.85 3.0 undecidable manual Pn -0.14 0
IV.NRCA.HNZ. 2019-07-17T21:50:25.74 0.1 undecidable manual P 314 0.1151 130 0.1 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:2 0.001181466 0.128 AML other m 2019-07-17T21:50:28.66
IV.NRCA.HHN. ML:2.1 0.001229743 0.1152 AML other m 2019-07-17T21:50:28.23
IV.NRCA.HNE. ML:2 0.0010855553 0.1152 AML other m 2019-07-17T21:50:28.66
IV.NRCA.HNN. ML:2 0.00108248885 0.128 AML other m 2019-07-17T21:50:28.23
IV.MTRA.EHE. ML:1.9 0.00084008485 0.1408 AML other m 2019-07-17T21:50:28.51
IV.MTRA.EHN. ML:2 0.00089916915 0.2048 AML other m 2019-07-17T21:50:28.78
IV.SMA1.EHE. ML:1.6 0.0003626648 0.0896 AML other m 2019-07-17T21:50:29.34
IV.SMA1.EHN. ML:1.6 0.00031167435 0.1152 AML other m 2019-07-17T21:50:29.20
IV.LNSS.HNE. ML:1.6 0.00024277545 0.3328 AML other m 2019-07-17T21:50:31.60
IV.LNSS.HNN. ML:1.5 0.00022585255 0.1664 AML other m 2019-07-17T21:50:31.57
IV.LNSS.HHE. ML:1.6 0.00023274865 0.1408 AML other m 2019-07-17T21:50:31.74
IV.LNSS.HHN. ML:1.6 0.00027454165 0.1664 AML other m 2019-07-17T21:50:31.57
IV.RM33.HNE. ML:1.8 0.00030636265 0.1792 AML other m 2019-07-17T21:50:32.84
IV.RM33.HNN. ML:1.8 0.00031328725 0.1792 AML other m 2019-07-17T21:50:32.36
IV.RM33.EHE. ML:1.8 0.0002980813 0.1792 AML other m 2019-07-17T21:50:32.84
IV.RM33.EHN. ML:1.7 0.00029745225 0.1792 AML other m 2019-07-17T21:50:32.45
IV.CAMP.HHE. ML:1.2 8.2543385E-5 0.2432 AML other m 2019-07-17T21:50:32.45
IV.CAMP.HHN. ML:1 5.5647275E-5 0.32 AML other m 2019-07-17T21:50:32.41
IV.GAVE.HNE. ML:1.6 0.00022353295 0.1536 AML other m 2019-07-17T21:50:33.65
IV.GAVE.EHE. ML:1.6 0.00021110735 0.1408 AML other m 2019-07-17T21:50:33.66
IV.GAVE.EHN. ML:1.5 0.00017757045 0.2944 AML other m 2019-07-17T21:50:32.79
IV.FDMO.HHE. ML:1.4 0.0001120349 0.192 AML other m 2019-07-17T21:50:33.69
IV.FDMO.HHN. ML:1.5 0.00013633515 0.1536 AML other m 2019-07-17T21:50:33.77
IV.MF5.EHE. ML:1.4 0.000114924415 0.3328 AML other m 2019-07-17T21:50:34.46
IV.MF5.EHN. ML:1.4 0.00012249807 0.3968 AML other m 2019-07-17T21:50:38.73
IV.GIGS.HHE. ML:0.7 1.500062E-5 0.1536 AML other m 2019-07-17T21:50:37.24
IV.GIGS.HHN. ML:0.7 1.51001565E-5 0.0768 AML other m 2019-07-17T21:50:38.14
IV.ARRO.EHE. ML:1.2 4.994861E-5 0.2176 AML other m 2019-07-17T21:50:37.72
IV.ARRO.EHN. ML:1.2 4.7675595E-5 0.192 AML other m 2019-07-17T21:50:39.19
IV.OFFI.HHE. ML:1.6 0.00012920645 0.384 AML other m 2019-07-17T21:50:38.73
IV.OFFI.HHN. ML:1.7 0.0001608979 0.6144 AML other m 2019-07-17T21:50:38.39
IV.MNTT.EHE. ML:1.5 8.5222455E-5 0.256 AML other m 2019-07-17T21:50:41.82
IV.MNTT.EHN. ML:1.5 9.005593E-5 0.2688 AML other m 2019-07-17T21:50:44.84
IV.FIAM.HHE. ML:0.9 1.923367E-5 0.1792 AML other m 2019-07-17T21:50:41.04
IV.FIAM.HHN. ML:0.9 2.163284E-5 0.1792 AML other m 2019-07-17T21:50:39.99
IV.MOMA.HHE. ML:1.4 6.3505385E-5 0.1792 AML other m 2019-07-17T21:50:41.84
IV.MOMA.HHN. ML:1.4 5.8074215E-5 0.2304 AML other m 2019-07-17T21:50:40.60
IV.FAGN.HHE. ML:1.4 5.0509765E-5 0.2816 AML other m 2019-07-17T21:50:44.40
IV.FAGN.HHN. ML:1.3 3.917292E-5 0.384 AML other m 2019-07-17T21:50:45.15
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download