Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 07-09-2018 and time 13:46:05 (UTC) in region 3 km NW Configni (RI)

A magnitude ML 1.4 earthquake occured in region: 3 km NW Configni (RI), on

  • 07-09-2018 13:46:05 (UTC)
  • 07-09-2018 15:46:05 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.4410, 12.6190 at 8 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
Configni RI 3 633 633
Calvi dell'Umbria TR 6 1856 2489
Vacone RI 6 256 2745
Cottanello RI 7 563 3308
Stroncone TR 7 4917 8225
Montasola RI 8 395 8620
Montebuono RI 8 883 9503
Tarano RI 10 1444 10947
Torri in Sabina RI 10 1256 12203
Otricoli TR 12 1869 14072
Casperia RI 12 1246 15318
Narni TR 12 19785 35103
Greccio RI 13 1558 36661
Contigliano RI 13 3783 40444
Collevecchio RI 13 1577 42021
Selci RI 13 1106 43127
Terni TR 14 111501 154628
Magliano Sabina RI 14 3774 158402
Roccantica RI 15 563 158965
Colli sul Velino RI 15 533 159498
Cantalupo in Sabina RI 15 1685 161183
Forano RI 16 3179 164362
Stimigliano RI 16 2328 166690
Poggio Catino RI 17 1341 168031
Labro RI 18 374 168405
Monte San Giovanni in Sabina RI 18 714 169119
Gallese VT 19 2849 171968
Orte VT 19 8923 180891

Municipalities with at least 50000 inhabitants

An earthquake occurred to
14 Km S of Terni (111501 inhabitants)
42 Km E of Viterbo (67173 inhabitants)
50 Km N of Guidonia Montecelio (88673 inhabitants)
55 Km N of Tivoli (56533 inhabitants)
58 Km S of Foligno (57155 inhabitants)
62 Km N of Roma (2864731 inhabitants)
65 Km W of L'Aquila (69753 inhabitants)
76 Km S of Perugia (166134 inhabitants)
78 Km NE of Civitavecchia (52991 inhabitants)
81 Km NE of Fiumicino (78395 inhabitants)
85 Km N of Velletri (53303 inhabitants)
86 Km N of Pomezia (62966 inhabitants)
92 Km W of Teramo (54892 inhabitants)
94 Km N of Aprilia (73446 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 1.4 2018-09-07
13:46:05		 42.4412 12.6188 8 2019-06-04
09:16:02		 Bollettino Sismico Italiano INGV 63705881
Reviewed
Rev100 		ML 1.5 2018-09-07
13:46:05		 42.4325 12.5965 11 2018-09-07
13:52:58		 Sala Sismica INGV-Roma 60662641
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-09-07 13:46:05 ± 0.13
Latitude 42.4412 ± 0.0054
Longitude 12.6188 ± 0.0122
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 63705881

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 866
Semi-minor axis of confidence ellipse (meter) 481
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 278
Circular confidence region, given by single value of horizontal uncertainty (meter) 870.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 106
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.17537
Epicentral distance of station farthest from the epicenter (degree) 0.77971
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.1
Num. used stations 16
Type of magnitude ML
Reference to an origin 60662641
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-09-07 13:52:58

ML:1.4

Field Value
Value 1.4
Uncertainty 0.1
Num. used stations 12
Type of magnitude ML
Reference to an origin 63705881
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-05-02 12:22:27
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FDMO.HHZ. 2018-09-07T13:46:29.37 0.6 undecidable manual S 30 76.2681 50 0.72 51
IV.MMO1.EHZ. 2018-09-07T13:46:29.60 1.0 undecidable manual S 48 76.9674 50 0.77 25
IV.MC2.EHZ. 2018-09-07T13:46:27.57 0.6 undecidable manual S 42 69.8745 50 0.62 53
IV.CERT.HHZ. 2018-09-07T13:46:25.60 0.6 undecidable manual S 151 62.1933 50 0.7 52
IV.NRCA.HHZ. 2018-09-07T13:46:24.10 1.0 undecidable manual S 43 59.3961 50 -0.05 31
IV.RM33.EHZ. 2018-09-07T13:46:21.40 0.6 undecidable manual S 81 49.3173 50 -0.06 64
IV.CSP1.EHZ. 2018-09-07T13:46:20.60 0.6 undecidable manual P 33 86.5467 50 0.28 57
IV.FIAM.HHZ. 2018-09-07T13:46:20.00 0.6 undecidable manual S 115 45.1215 50 -0.34 60
IV.LNSS.HHZ. 2018-09-07T13:46:18.60 0.3 undecidable manual S 62 38.8278 50 -0.06 97
IV.MMO1.EHZ. 2018-09-07T13:46:18.53 0.6 undecidable manual P 48 76.9674 50 -0.31 57
IV.SACS.HHE. 2018-09-07T13:46:18.02 0.6 undecidable manual P 308 73.4709 50 -0.29 58
IV.FDMO.HHZ. 2018-09-07T13:46:18.54 0.3 undecidable manual P 30 76.2681 50 -0.2 88
IV.ASSB.HHN. 2018-09-07T13:46:17.37 0.6 undecidable manual P 3 66.7776 50 0.09 61
IV.MC2.EHZ. 2018-09-07T13:46:17.60 0.3 undecidable manual P 42 69.8745 50 -0.15 90
IV.CERT.HHZ. 2018-09-07T13:46:16.69 0.3 undecidable manual P 151 62.1933 50 0.12 92
IV.NRCA.HHZ. 2018-09-07T13:46:15.79 0.3 undecidable manual P 43 59.3961 50 -0.35 88
IV.SRES.HHZ. 2018-09-07T13:46:14.37 1.0 undecidable manual S 202 24.3534 109 0.26 32
IV.RM33.EHZ. 2018-09-07T13:46:14.29 0.6 undecidable manual P 81 49.3173 50 -0.3 61
IV.FIAM.HHZ. 2018-09-07T13:46:13.76 0.3 undecidable manual P 115 45.1215 50 -0.18 94
IV.ARRO.EHZ. 2018-09-07T13:46:12.91 1.0 undecidable manual S 38 19.4694 113 0.38 31
IV.LNSS.HHZ. 2018-09-07T13:46:12.63 0.3 undecidable manual P 62 38.8278 50 -0.34 92
IV.SRES.HHZ. 2018-09-07T13:46:10.49 0.6 undecidable manual P 202 24.3534 109 0.14 65
IV.ARRO.EHZ. 2018-09-07T13:46:09.52 0.3 undecidable manual P 38 19.4694 113 0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ARRO.EHN. ML:1.4 0.00020899999999999998 1.14 AML other m 2018-09-07T13:46:15.96
IV.ARRO.EHE. ML:1.2 0.000142 0.26 AML other m 2018-09-07T13:46:15.51
IV.LNSS.HHE. ML:1.7 0.00016949999999999997 0.2 AML other m 2018-09-07T13:46:20.21
IV.LNSS.HHN. ML:1.6 0.000156 0.32 AML other m 2018-09-07T13:46:20.84
IV.RM33.EHN. ML:1.4 0.0000594 1.48 AML other m 2018-09-07T13:46:22.79
IV.FIAM.HHE. ML:1.4 0.0000678 0.68 AML other m 2018-09-07T13:46:23.18
IV.FIAM.HHN. ML:1.3 0.00006295000000000001 0.84 AML other m 2018-09-07T13:46:25.55
IV.RM33.EHE. ML:1.4 0.00006035 1.74 AML other m 2018-09-07T13:46:25.88
IV.NRCA.HHE. ML:1.5 0.00006544999999999999 0.6 AML other m 2018-09-07T13:46:27.26
IV.NRCA.HHN. ML:1.5 0.000059250000000000004 0.12 AML other m 2018-09-07T13:46:27.96
IV.FDMO.HHN. ML:1.4 0.000039 0.26 AML other m 2018-09-07T13:46:30.22
IV.FDMO.HHE. ML:1.5 0.000051250000000000006 1.2 AML other m 2018-09-07T13:46:30.21
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