Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 09-07-2019 and time 07:56:06 (UTC) in region 2 km SW Amatrice (RI)

A magnitude ML 1.9 earthquake occured in region: 2 km SW Amatrice (RI), on

  • 09-07-2019 07:56:06 (UTC)
  • 09-07-2019 09:56:06 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6150, 13.2750 at 17 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
Amatrice RI 2 2657 2657
Accumoli RI 9 667 3324
Cittareale RI 9 482 3806
Campotosto AQ 10 542 4348
Montereale AQ 10 2581 6929
Capitignano AQ 11 665 7594
Borbona RI 16 617 8211
Cagnano Amiterno AQ 18 1369 9580
Arquata del Tronto AP 18 1178 10758
Posta RI 18 694 11452
Barete AQ 18 737 12189
Crognaleto TE 18 1297 13486
Cortino TE 19 656 14142
Pizzoli AQ 20 4326 18468

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km NW of L'Aquila (69753 inhabitants)
36 Km W of Teramo (54892 inhabitants)
52 Km E of Terni (111501 inhabitants)
60 Km SE of Foligno (57155 inhabitants)
73 Km W of Montesilvano (53738 inhabitants)
79 Km W of Pescara (121014 inhabitants)
79 Km W of Chieti (51815 inhabitants)
82 Km NE of Guidonia Montecelio (88673 inhabitants)
82 Km NE of Tivoli (56533 inhabitants)
91 Km SE of Perugia (166134 inhabitants)
98 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
Bulletin
Rev1000 		ML 1.9 2019-07-09
07:56:06		 42.6153 13.2753 17 2019-11-13
14:30:57		 Bollettino Sismico Italiano INGV 71221281
Reviewed
Rev100 		ML 1.9 2019-07-09
07:56:06		 42.6167 13.278 16 2019-07-09
08:01:36		 Sala Sismica INGV-Roma 70396971
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-07-09 07:56:06 ± 0.08
Latitude 42.6153 ± 0.0036
Longitude 13.2753 ± 0.0049
Depth (km) 17 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 71221281

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 385
Semi-minor axis of confidence ellipse (meter) 239
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 262
Circular confidence region, given by single value of horizontal uncertainty (meter) 390.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 63
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 32
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.01979
Epicentral distance of station farthest from the epicenter (degree) 0.54499
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 21
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 33
Type of magnitude ML
Reference to an origin 71221281
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-10-18 08:42:26

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 30
Type of magnitude ML
Reference to an origin 70396971
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-07-09 08:01:36
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MC2.EHZ. 2019-07-09T07:56:18.39 0.6 undecidable manual S 348 33.5442 105 0.35 45
IV.GAVE.EHZ. 2019-07-09T07:56:17.56 0.3 undecidable manual S 285 32.2455 106 -0.14 69
IV.MML1.HNE. 2019-07-09T07:56:17.56 1.0 undecidable manual P 336 60.495 97 0.35 21
IV.MMO1.EHZ. 2019-07-09T07:56:17.55 0.3 undecidable manual S 8 31.746 107 -0.03 71
IV.VCEL.EHZ. 2019-07-09T07:56:16.05 0.3 undecidable manual P 118 52.3032 98 0.1 67
IV.TERO.HHZ. 2019-07-09T07:56:16.09 0.3 undecidable manual S 88 26.8509 111 -0.24 70
IV.CESI.HHE. 2019-07-09T07:56:16.24 0.6 undecidable manual P 325 52.7028 98 0.23 44
IV.OFFI.HHE. 2019-07-09T07:56:16.30 0.3 undecidable manual P 43 48.7179 99 0.89 53
IV.NRCA.HHZ. 2019-07-09T07:56:16.16 0.3 undecidable manual S 332 27.5502 110 -0.34 67
IV.T0110.HHZ. 2019-07-09T07:56:16.82 0.6 undecidable manual P 136 59.2962 97 -0.2 45
IV.FEMA.HNE. 2019-07-09T07:56:15.03 0.6 undecidable manual P 335 42.624 101 0.55 42
IV.FDMO.HHZ. 2019-07-09T07:56:15.76 0.6 undecidable manual P 342 49.1175 99 0.29 44
IV.MF5.EHN. 2019-07-09T07:56:15.04 0.3 undecidable manual P 20 43.9227 101 0.36 66
IV.LNSS.HHZ. 2019-07-09T07:56:14.55 0.3 undecidable manual S 266 19.2696 121 0.05 73
IV.FIAM.HHE. 2019-07-09T07:56:14.27 0.1 undecidable manual P 199 40.626 102 0.09 92
IV.MTRA.HNZ. 2019-07-09T07:56:14.02 0.3 undecidable manual S 32 18.5703 123 -0.32 68
IV.ARRO.EHZ. 2019-07-09T07:56:14.10 0.3 undecidable manual P 265 41.8248 101 -0.26 67
IV.RM33.EHZ. 2019-07-09T07:56:13.07 0.3 undecidable manual S 203 12.7761 136 -0.09 74
IV.CAMP.HHZ. 2019-07-09T07:56:13.35 0.3 undecidable manual S 129 14.0748 132 -0.05 74
IV.MC2.EHZ. 2019-07-09T07:56:13.07 0.3 undecidable manual P 348 33.5442 105 -0.05 71
IV.SMA1.EHZ. 2019-07-09T07:56:12.10 0.3 undecidable manual S 71 5.1948 160 0.04 75
IV.MMO1.EHZ. 2019-07-09T07:56:12.68 0.1 undecidable manual P 8 31.746 107 -0.18 92
IV.GAVE.EHZ. 2019-07-09T07:56:12.74 0.1 undecidable manual P 285 32.2455 106 -0.18 92
IV.NRCA.HHZ. 2019-07-09T07:56:12.06 0.1 positive manual P 332 27.5502 110 -0.17 93
IV.LNSS.HHZ. 2019-07-09T07:56:11.01 0.1 undecidable manual P 266 19.2696 121 -0.07 97
IV.TERO.HHZ. 2019-07-09T07:56:11.94 0.1 negative manual P 88 26.8509 111 -0.2 94
IV.T1299.HNN. 2019-07-09T07:56:11.95 0.1 undecidable manual S 15 2.1978 171 0.09 100
IV.MTRA.HNZ. 2019-07-09T07:56:10.83 0.1 undecidable manual P 32 18.5703 123 -0.16 95
IV.RM33.EHZ. 2019-07-09T07:56:10.38 0.1 undecidable manual P 203 12.7761 136 0.08 97
IV.CAMP.HHZ. 2019-07-09T07:56:10.46 0.1 undecidable manual P 129 14.0748 132 0.02 98
IV.T1299.HNN. 2019-07-09T07:56:09.67 0.1 undecidable manual P 15 2.1978 171 0.12 99
IV.SMA1.EHZ. 2019-07-09T07:56:09.78 0.1 undecidable manual P 71 5.1948 160 0.11 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CAMP.HHN. ML:1.8 0.00044037235 0.224 AML other m 2019-07-09T07:56:13.57
IV.RM33.HNN. ML:2.3 0.001619754 0.128 AML other m 2019-07-09T07:56:13.53
IV.RM33.EHN. ML:2.3 0.0015335575000000002 0.1152 AML other m 2019-07-09T07:56:13.53
IV.CAMP.HHE. ML:1.9 0.0005964864 0.16 AML other m 2019-07-09T07:56:13.45
IV.RM33.HNE. ML:2.2 0.00115905 0.192 AML other m 2019-07-09T07:56:13.61
IV.RM33.EHE. ML:2.2 0.0012194935 0.2048 AML other m 2019-07-09T07:56:13.71
IV.SMA1.EHE. ML:1.9 0.00079884295 0.2368 AML other m 2019-07-09T07:56:13.57
IV.MTRA.HNE. ML:2.2 0.00101890955 0.1088 AML other m 2019-07-09T07:56:14.20
IV.MTRA.EHE. ML:2.2 0.0010057113 0.1024 AML other m 2019-07-09T07:56:14.20
IV.MTRA.HNN. ML:2.2 0.0011465965000000001 0.1152 AML other m 2019-07-09T07:56:14.20
IV.MTRA.EHN. ML:2.2 0.0011646875 0.1216 AML other m 2019-07-09T07:56:14.15
IV.LNSS.HHE. ML:2.0 0.0006385322499999999 0.1408 AML other m 2019-07-09T07:56:14.72
IV.LNSS.HNE. ML:2.0 0.0005566102000000001 0.1472 AML other m 2019-07-09T07:56:14.72
IV.LNSS.HNN. ML:1.9 0.0004778554 0.128 AML other m 2019-07-09T07:56:14.72
IV.LNSS.HHN. ML:1.9 0.0004936332 0.1216 AML other m 2019-07-09T07:56:14.78
IV.SMA1.EHN. ML:1.7 0.00046558999999999994 0.3392 AML other m 2019-07-09T07:56:15.21
IV.TERO.HHE. ML:2.1 0.0006858282 0.1408 AML other m 2019-07-09T07:56:16.22
IV.TERO.HNN. ML:1.8 0.000286118 0.0704 AML other m 2019-07-09T07:56:16.36
IV.TERO.HHN. ML:2.1 0.0005612776500000001 0.0576 AML other m 2019-07-09T07:56:16.45
IV.NRCA.HHN. ML:2.0 0.0005157016 0.16 AML other m 2019-07-09T07:56:16.60
IV.NRCA.HNN. ML:2.0 0.00051071265 0.1472 AML other m 2019-07-09T07:56:16.60
IV.NRCA.HNE. ML:2.3 0.00092732595 0.1024 AML other m 2019-07-09T07:56:16.68
IV.NRCA.HHE. ML:2.3 0.0010321608 0.1024 AML other m 2019-07-09T07:56:16.68
IV.GAVE.EHE. ML:1.8 0.0002586634 0.16 AML other m 2019-07-09T07:56:18.31
IV.GAVE.EHN. ML:1.9 0.0003081645 0.2432 AML other m 2019-07-09T07:56:18.56
IV.ARRO.EHE. ML:1.4 0.00006963395999999999 0.2432 AML other m 2019-07-09T07:56:22.33
IV.FDMO.HHE. ML:1.2 0.00004306697 0.2176 AML other m 2019-07-09T07:56:22.62
IV.FDMO.HHN. ML:1.4 0.00006930791999999999 0.2176 AML other m 2019-07-09T07:56:22.64
IV.ARRO.EHN. ML:1.4 0.000072598775 0.2368 AML other m 2019-07-09T07:56:23.61
IV.VCEL.EHE. ML:1.7 0.00012349248 0.3008 AML other m 2019-07-09T07:56:25.89
IV.T0110.HHE. ML:1.5 0.00006405698 0.1984 AML other m 2019-07-09T07:56:26.53
IV.VCEL.EHN. ML:1.7 0.00011847279999999999 0.4032 AML other m 2019-07-09T07:56:27.83
IV.T0110.HHN. ML:1.5 0.000070443685 0.3392 AML other m 2019-07-09T07:56:31.87
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