Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 07-07-2019 and time 01:34:13 (UTC) in region 3 km W Accumoli (RI)

A magnitude ML 1.2 earthquake occured in region: 3 km W Accumoli (RI), on

  • 07-07-2019 01:34:13 (UTC)
  • 07-07-2019 03:34:13 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7040, 13.2090 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.

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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
Accumoli RI 3 667 667
Cittareale RI 10 482 1149
Amatrice RI 11 2657 3806
Arquata del Tronto AP 11 1178 4984
Norcia PG 14 4957 9941
Cascia PG 16 3217 13158
Acquasanta Terme AP 18 2916 16074
Montegallo AP 19 523 16597

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km W of Teramo (54892 inhabitants)
42 Km NW of L'Aquila (69753 inhabitants)
49 Km E of Terni (111501 inhabitants)
50 Km SE of Foligno (57155 inhabitants)
80 Km W of Montesilvano (53738 inhabitants)
80 Km SE of Perugia (166134 inhabitants)
87 Km W of Pescara (121014 inhabitants)
88 Km NE of Guidonia Montecelio (88673 inhabitants)
88 Km W of Chieti (51815 inhabitants)
89 Km NE of Tivoli (56533 inhabitants)
96 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 1.2 2019-07-07
01:34:13		 42.7043 13.2087 11 2019-07-07
01:41:10		 Sala Sismica INGV-Roma 70308791
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-07-07 01:34:13 ± 0.06
Latitude 42.7043 ± 0.0036
Longitude 13.2087 ± 0.0061
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 70308791

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 469
Semi-minor axis of confidence ellipse (meter) 314
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 79
Circular confidence region, given by single value of horizontal uncertainty (meter) 470.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 65
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 28
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.45596
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 18
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.4
Num. used stations 19
Type of magnitude ML
Reference to an origin 70308791
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-07-07 01:41:10
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LAV9.HHZ. 2019-07-07T01:34:45.62 3.0 undecidable manual S 0.13 0
IV.APEC.HHZ. 2019-07-07T01:34:43.79 3.0 undecidable manual S -0.43 0
IV.MNTT.EHZ. 2019-07-07T01:34:23.21 0.6 positive manual P 38 50.616 50 0.96 35
IV.GAVE.EHZ. 2019-07-07T01:34:22.24 0.6 undecidable manual S 267 25.6521 50 -0.12 49
IV.MC2.EHZ. 2019-07-07T01:34:22.04 0.1 undecidable manual S 356 23.0547 50 0.39 92
IV.OFFI.HHZ. 2019-07-07T01:34:22.41 0.6 negative manual P 56 46.5201 50 0.8 38
IV.RM33.EHZ. 2019-07-07T01:34:21.24 0.1 undecidable manual S 179 21.6672 50 -0.05 99
IV.MMO1.EHZ. 2019-07-07T01:34:21.50 0.1 undecidable manual S 24 23.6541 50 -0.32 93
IV.CAMP.HHZ. 2019-07-07T01:34:21.90 0.1 undecidable manual S 139 24.8529 50 -0.24 95
IV.ARRO.EHZ. 2019-07-07T01:34:20.37 1.0 negative manual P 249 38.7279 50 -0.05 24
IV.MF5.EHZ. 2019-07-07T01:34:20.63 1.0 negative manual P 33 37.5291 50 0.41 22
IV.FDMO.HHZ. 2019-07-07T01:34:20.18 1.0 undecidable manual P 345 38.1285 50 -0.14 24
IV.GIGS.HHZ. 2019-07-07T01:34:20.47 1.0 undecidable manual P 133 40.7259 50 -0.26 23
IV.LNSS.HHZ. 2019-07-07T01:34:20.20 0.6 undecidable manual S 231 17.7711 121 -0.03 50
IT.MTCL.HGE. 2019-07-07T01:34:19.84 1.0 undecidable manual P 332 36.3414 50 -0.21 23
IV.NRCA.HNZ. 2019-07-07T01:34:19.32 0.6 undecidable manual S 332 16.2726 124 -0.47 46
IV.MTRA.EHE. 2019-07-07T01:34:19.31 0.6 undecidable manual S 69 16.3725 124 -0.51 45
IV.TERO.HHZ. 2019-07-07T01:34:19.52 0.6 undecidable manual P 106 33.4443 50 -0.09 48
IV.CAMP.HHZ. 2019-07-07T01:34:18.16 0.6 positive manual P 139 24.8529 50 -0.12 49
IV.SMA1.EHZ. 2019-07-07T01:34:18.78 0.3 undecidable manual S 128 13.1757 129 -0.15 74
IV.GAVE.EHZ. 2019-07-07T01:34:18.35 0.6 negative manual P 267 25.6521 50 -0.05 49
IV.T1299.EHE. 2019-07-07T01:34:18.30 0.1 undecidable manual S 142 9.7791 138 0.22 98
IV.MMO1.EHZ. 2019-07-07T01:34:17.92 0.6 positive manual P 24 23.6541 50 -0.17 48
IV.LNSS.HHZ. 2019-07-07T01:34:17.22 0.1 positive manual P 231 17.7711 121 0.05 100
IV.RM33.EHZ. 2019-07-07T01:34:17.83 1.0 negative manual P 179 21.6672 50 0.04 25
IV.MC2.EHZ. 2019-07-07T01:34:17.87 1.0 negative manual P 356 23.0547 50 -0.12 24
IV.NRCA.HNZ. 2019-07-07T01:34:16.82 0.6 positive manual P 332 16.2726 124 -0.1 50
IV.MTRA.EHE. 2019-07-07T01:34:16.77 1.0 undecidable manual P 69 16.3725 124 -0.17 24
IV.T1299.EHE. 2019-07-07T01:34:16.20 0.1 undecidable manual P 142 9.7791 138 0.27 97
IV.SMA1.EHZ. 2019-07-07T01:34:16.55 0.6 positive manual P 128 13.1757 129 0.13 50
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:2.0 0.0009159999999999999 0.42 AML other m 2019-07-07T01:34:19.63
IV.NRCA.HNN. ML:2.0 0.000869 0.42 AML other m 2019-07-07T01:34:19.63
IV.SMA1.EHE. ML:1.1 0.00013900000000000002 0.26 AML other m 2019-07-07T01:34:19.44
IV.NRCA.HHE. ML:2.0 0.0009850000000000002 0.08 AML other m 2019-07-07T01:34:19.58
IV.NRCA.HNE. ML:2.0 0.0008680000000000001 0.14 AML other m 2019-07-07T01:34:19.58
IV.SMA1.EHN. ML:1.0 0.0001053 0.36 AML other m 2019-07-07T01:34:20.38
IV.LNSS.HHN. ML:1.4 0.0002145 1.02 AML other m 2019-07-07T01:34:20.42
IV.LNSS.HHE. ML:1.4 0.000185 0.3 AML other m 2019-07-07T01:34:20.41
IV.RM33.EHN. ML:0.9 0.00005165 0.12 AML other m 2019-07-07T01:34:21.47
IV.RM33.EHE. ML:0.9 0.00005599999999999999 0.14 AML other m 2019-07-07T01:34:21.75
IV.CAMP.HHE. ML:0.5 0.0000217 1.02 AML other m 2019-07-07T01:34:22.00
IV.GAVE.EHE. ML:1.3 0.00010619999999999999 0.3 AML other m 2019-07-07T01:34:23.28
IV.GAVE.EHN. ML:1.2 0.00008979999999999999 0.7 AML other m 2019-07-07T01:34:23.15
IV.TERO.HHE. ML:1.0 0.00004595 0.7 AML other m 2019-07-07T01:34:24.52
IV.TERO.HHN. ML:1.1 0.00004885 1.4 AML other m 2019-07-07T01:34:25.77
IV.CAMP.HHN. ML:0.5 0.0000187 1.5 AML other m 2019-07-07T01:34:26.23
IV.FDMO.HHE. ML:0.7 0.0000223 1.4 AML other m 2019-07-07T01:34:28.25
IV.FDMO.HHN. ML:0.7 0.0000191 0.2 AML other m 2019-07-07T01:34:28.16
IV.GAVE.HNE. ML:1.5 0.00017243035 0.6504 AML other m 2019-07-07T01:34:22.70
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