Earthquake with magnitude of ML 1.6 on date 04-09-2018 and time 01:49:20 (Italy) in region 2 km W Sellano (PG)

A magnitude ML 1.6 earthquake occured in region: 2 km W Sellano (PG), on

  • 03-09-2018 23:49:20 (UTC)
  • 04-09-2018 01:49:20 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.89, 12.9 at 9 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Sellano PG 2 1079 1079
Cerreto di Spoleto PG 8 1075 2154
Preci PG 11 724 2878
Trevi PG 13 8469 11347
Campello sul Clitunno PG 13 2442 13789
Monte Cavallo MC 14 145 13934
Vallo di Nera PG 14 364 14298
Visso MC 16 1107 15405
Foligno PG 18 57155 72560
Sant'Anatolia di Narco PG 18 564 73124
Norcia PG 19 4957 78081

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km E of Foligno (57155 inhabitants)
42 Km NE of Terni (111501 inhabitants)
48 Km SE of Perugia (166134 inhabitants)
70 Km W of Teramo (54892 inhabitants)
73 Km NW of L'Aquila (69753 inhabitants)
84 Km NE of Viterbo (67173 inhabitants)
95 Km SW of Ancona (100861 inhabitants)
100 Km N of Guidonia Montecelio (88673 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
Rev 1000 ML 1.6 2018-09-03
23:49:20
42.89 12.9 9 2019-06-04
09:16:08
Bollettino Sismico Italiano INGV 65201611
Rev 100 ML 1.6 2018-09-03
23:49:20
42.89 12.9 9 2018-09-04
00:27:45
Sala Sismica INGV-Roma 60547371
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-09-03 23:49:20 ± 0.06
Latitude 42.89 ± 0.00
Longitude 12.90 ± 0.00
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 65201611

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 292
Semi-minor axis of confidence ellipse (meter) 218
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 42
Circular confidence region, given by single value of horizontal uncertainty (meter) 290
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 69
Number of associated phases, regardless of their use for origin computation 40
Number of defining phases 40
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) 0.11242
Epicentral distance of station farthest from the epicenter (degree) 0.72935
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 23
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 32
Type of magnitude ML
Reference to an origin 65201611
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-02-04 10:16:59

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 28
Type of magnitude ML
Reference to an origin 60547371
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-09-04 00:27:45
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.MURB.HHZ. 2018-09-03T23:49:37.40 0.3 undecidable manual S 323 0.4623 50 0.46 64
IV.RM33.EHZ. 2018-09-03T23:49:36.60 0.3 undecidable manual S 149 0.4461 50 0.12 69
IV.SMA1.EHZ. 2018-09-03T23:49:36.00 0.1 undecidable manual S 129 0.411 50 0.56 83
IV.SACS.HHE. 2018-09-03T23:49:35.20 0.6 undecidable manual P 267 0.7293 50 0.74 36
IV.GUMA.HHZ. 2018-09-03T23:49:34.30 0.1 undecidable manual S 62 0.3588 50 0.42 88
IV.SNTG.HHE. 2018-09-03T23:49:33.90 0.6 undecidable manual S 4 0.3633 50 -0.12 47
IV.ATCC.EHZ. 2018-09-03T23:49:33.90 0.1 undecidable manual S 327 0.3498 50 0.28 91
IV.MMO1.EHZ. 2018-09-03T23:49:32.10 0.1 undecidable manual S 89 0.3103 50 -0.34 90
IV.LNSS.HHZ. 2018-09-03T23:49:32.20 0.1 undecidable manual S 161 0.3067 50 -0.13 94
IV.ARRO.EHZ. 2018-09-03T23:49:32.90 0.1 undecidable manual S 198 0.3292 50 -0.1 94
IV.ARVD.HHZ. 2018-09-03T23:49:32.51 0.3 undecidable manual P 3 0.6061 50 0.16 66
IV.PF6.EHN. 2018-09-03T23:49:32.60 0.6 undecidable manual S 41 0.3247 50 -0.27 46
IV.CSP1.EHZ. 2018-09-03T23:49:31.90 0.1 undecidable manual S 48 0.2968 50 -0.16 94
IV.MURB.HHZ. 2018-09-03T23:49:30.12 0.1 undecidable manual P 323 0.4623 50 0.23 90
IV.EL6.EHZ. 2018-09-03T23:49:29.74 0.3 undecidable manual P 18 0.4596 50 -0.11 69
IV.ASSB.HHZ. 2018-09-03T23:49:29.60 0.1 undecidable manual S 310 0.2338 108 -0.13 96
IV.MF5.EHZ. 2018-09-03T23:49:29.52 0.3 undecidable manual P 77 0.4182 50 0.38 66
IV.MC2.EHZ. 2018-09-03T23:49:29.20 0.1 undecidable manual S 85 0.2104 110 0.32 92
IV.RM33.EHZ. 2018-09-03T23:49:29.40 0.1 undecidable manual P 149 0.4461 50 -0.22 90
IV.SNTG.HHE. 2018-09-03T23:49:28.00 0.6 undecidable manual P 4 0.3633 50 -0.2 46
IV.SMA1.EHZ. 2018-09-03T23:49:28.92 0.1 undecidable manual P 129 0.411 50 -0.1 93
IV.T1299.HNN. 2018-09-03T23:49:28.45 0.6 undecidable manual P 133 0.3795 50 -0.03 47
IV.GUMA.HHZ. 2018-09-03T23:49:28.22 0.1 undecidable manual P 62 0.3588 50 0.09 94
IV.FDMO.HHZ. 2018-09-03T23:49:28.20 0.1 undecidable manual S 43 0.197 112 -0.22 95
IV.FOSV.EHZ. 2018-09-03T23:49:28.81 0.3 undecidable manual P 346 0.4155 50 -0.28 67
IV.ATCC.EHZ. 2018-09-03T23:49:27.91 0.1 undecidable manual P 327 0.3498 50 -0.07 95
IV.NRCA.HHZ. 2018-09-03T23:49:27.30 0.1 undecidable manual S 111 0.1655 115 0 99
IV.ARRO.EHZ. 2018-09-03T23:49:27.67 0.1 undecidable manual P 198 0.3292 50 0.05 95
IV.PF6.EHN. 2018-09-03T23:49:27.30 0.3 undecidable manual P 41 0.3247 50 -0.24 69
IV.LNSS.HHZ. 2018-09-03T23:49:26.91 0.1 undecidable manual P 161 0.3067 50 -0.32 90
IV.CSP1.EHZ. 2018-09-03T23:49:26.77 0.1 undecidable manual P 48 0.2968 50 -0.3 91
IV.FEMA.HNE. 2018-09-03T23:49:26.10 0.3 undecidable manual S 57 0.1277 121 0.08 74
IV.MMO1.EHZ. 2018-09-03T23:49:26.96 0.1 undecidable manual P 89 0.3103 50 -0.33 90
IV.MC2.EHZ. 2018-09-03T23:49:25.44 0.1 undecidable manual P 85 0.2104 110 0.2 95
IV.CESI.HHZ. 2018-09-03T23:49:25.50 0.1 undecidable manual S 1 0.1124 125 -0.02 100
IV.ASSB.HHZ. 2018-09-03T23:49:25.58 0.1 undecidable manual P 310 0.2338 108 -0.15 95
IV.NRCA.HHZ. 2018-09-03T23:49:24.41 0.1 negative manual P 111 0.1655 115 0.08 98
IV.FDMO.HHZ. 2018-09-03T23:49:24.90 0.1 undecidable manual P 43 0.197 112 -0.07 97
IV.FEMA.HNE. 2018-09-03T23:49:23.74 0.3 undecidable manual P 57 0.1277 121 0.16 73
IV.CESI.HHZ. 2018-09-03T23:49:23.39 0.1 positive manual P 1 0.1124 125 0.09 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHN. ML:0 0.0012339105 0.2176 AML other m 2018-09-03T23:49:25.64
IV.CESI.HHE. ML:0 0.0005199117 0.32 AML other m 2018-09-03T23:49:27.00
IV.NRCA.HHE. ML:0 0.00096191275 0.1664 AML other m 2018-09-03T23:49:27.62
IV.NRCA.HNE. ML:0 0.0008998067 0.1536 AML other m 2018-09-03T23:49:27.71
IV.NRCA.HHN. ML:0 0.00081328595 0.1408 AML other m 2018-09-03T23:49:27.90
IV.NRCA.HNN. ML:0 0.0007405 0.12 AML other m 2018-09-03T23:49:27.84
IV.FDMO.HHE. ML:0 0.0004074112 0.2048 AML other m 2018-09-03T23:49:28.45
IV.FDMO.HHN. ML:0 0.0002165564 0.1536 AML other m 2018-09-03T23:49:29.50
IV.ASSB.HHN. ML:0 7.962881E-5 0.2048 AML other m 2018-09-03T23:49:31.27
IV.CSP1.EHE. ML:0 0.00031341235 0.2176 AML other m 2018-09-03T23:49:32.19
IV.CSP1.EHN. ML:0 0.00024265595 0.1536 AML other m 2018-09-03T23:49:32.59
IV.ARRO.EHE. ML:0 0.0001194525 0.2944 AML other m 2018-09-03T23:49:33.95
IV.ARRO.EHN. ML:0 0.00017350085 0.2304 AML other m 2018-09-03T23:49:34.15
IV.ASSB.HHE. ML:0 6.863123E-5 0.2816 AML other m 2018-09-03T23:49:34.98
IV.ATCC.EHN. ML:0 5.884958E-5 0.3456 AML other m 2018-09-03T23:49:38.27
IV.ATCC.EHE. ML:0 5.9577755E-5 0.2944 AML other m 2018-09-03T23:49:36.75
IV.RM33.EHN. ML:0 3.533354E-5 0.192 AML other m 2018-09-03T23:49:37.81
IV.GUMA.HHN. ML:0 0.00031399315 0.3584 AML other m 2018-09-03T23:49:37.81
IV.EL6.EHN. ML:0 0.000133334925 0.2176 AML other m 2018-09-03T23:49:38.60
IV.GUMA.HHE. ML:0 0.0002680147 0.4992 AML other m 2018-09-03T23:49:39.05
IV.EL6.EHE. ML:0 0.0001324378 0.2176 AML other m 2018-09-03T23:49:39.13
IV.SMA1.EHN. ML:0 4.526007E-5 0.3456 AML other m 2018-09-03T23:49:39.65
IV.MURB.HHN. ML:0 6.0907705E-5 0.2176 AML other m 2018-09-03T23:49:39.80
IV.MURB.HHE. ML:0 6.773189E-5 0.2176 AML other m 2018-09-03T23:49:39.97
IV.RM33.EHE. ML:0 4.2542975E-5 0.384 AML other m 2018-09-03T23:49:40.37
IV.ARVD.HHN. ML:0 1.800436E-5 0.2432 AML other m 2018-09-03T23:49:43.10
IV.SMA1.EHE. ML:0 5.0227515E-5 0.5376 AML other m 2018-09-03T23:49:42.66
IV.ARVD.HHE. ML:0 2.293812E-5 0.2816 AML other m 2018-09-03T23:49:44.69
OB.GAVE.EHN. ML:0 0.00049046785 0.448 AML other m 2018-09-03T23:49:30.96
OB.GAVE.EHE. ML:0 0.00056569355 0.1792 AML other m 2018-09-03T23:49:30.47
OB.GAVE.HNE. ML:0 0.00054251905 0.2048 AML other m 2018-09-03T23:49:30.48
OB.GAVE.HNN. ML:0 0.00022335455 0.4352 AML other m 2018-09-03T23:49:31.17
IV.GUMA.HNE. ML:1.9 0.00025674465 0.512 AML other m 2018-09-03T23:49:37.63
IV.MF5.EHN. ML:1.4 6.286775E-5 0.512 AML other m 2018-09-03T23:49:41.89
IV.MF5.EHE. ML:1.4 8.0958975E-5 0.2816 AML other m 2018-09-03T23:49:37.13
IV.MURB.HNE. ML:1.7 0.00012018705 0.5632 AML other m 2018-09-03T23:49:50.56
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