Earthquake with magnitude of ML 1.8 on date 29-09-2018 and time 02:46:18 (Italy) in region 2 km W Sellano (PG)

A magnitude ML 1.8 earthquake occured in region: 2 km W Sellano (PG), on

  • 29-09-2018 00:46:18 (UTC)
  • 29-09-2018 02:46:18 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.89, 12.91 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.

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 15 1107 15405
Foligno PG 18 57155 72560
Sant'Anatolia di Narco PG 19 564 73124
Norcia PG 19 4957 78081
Ussita MC 20 444 78525

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km E of Foligno (57155 inhabitants)
43 Km NE of Terni (111501 inhabitants)
49 Km E of Perugia (166134 inhabitants)
70 Km W of Teramo (54892 inhabitants)
72 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 1.8 2018-09-29
00:46:18
42.89 12.91 8 2019-06-04
09:16:09
Bollettino Sismico Italiano INGV 65660091
Rev 100 ML 1.8 2018-09-29
00:46:18
42.9 12.91 9 2018-09-29
00:52:26
Sala Sismica INGV-Roma 61434961
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-09-29 00:46:18 ± 0.05
Latitude 42.89 ± 0.00
Longitude 12.91 ± 0.00
Depth (km) 8 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 65660091

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 279
Semi-minor axis of confidence ellipse (meter) 163
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 110
Circular confidence region, given by single value of horizontal uncertainty (meter) 280
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 59
Number of associated phases, regardless of their use for origin computation 46
Number of defining phases 45
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) 0.64302
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 23
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 34
Type of magnitude ML
Reference to an origin 65660091
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-02-18 12:02:42

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 34
Type of magnitude ML
Reference to an origin 61434961
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-09-29 00:52:26
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.FIAM.HHZ. 2018-09-29T00:46:41.60 0.6 undecidable manual S 166 0.643 50 0.83 36
IV.ARVD.HHZ. 2018-09-29T00:46:40.34 0.6 undecidable manual S 2 0.6052 50 0.7 38
IV.SAMA.HHZ. 2018-09-29T00:46:39.84 3.0 undecidable manual P -0.3 0
IV.RM33.EHZ. 2018-09-29T00:46:35.01 0.6 undecidable manual S 149 0.4452 50 0.12 46
IV.EL6.EHZ. 2018-09-29T00:46:35.42 0.6 undecidable manual S 18 0.4587 50 0.13 46
IV.FOSV.EHZ. 2018-09-29T00:46:34.06 0.6 undecidable manual S 345 0.4155 50 0.04 47
IV.MF5.EHZ. 2018-09-29T00:46:33.66 0.3 undecidable manual S 77 0.4146 50 -0.34 66
IV.SNTG.HHE. 2018-09-29T00:46:32.53 0.6 undecidable manual S 4 0.3624 50 0.08 47
IV.GUMA.HHZ. 2018-09-29T00:46:32.59 0.1 undecidable manual S 61 0.3552 50 0.35 89
IV.CESX.HHZ. 2018-09-29T00:46:32.78 0.6 undecidable manual S 220 0.3696 50 0.13 46
IV.MTRA.EHZ. 2018-09-29T00:46:32.91 0.1 undecidable manual S 111 0.3831 50 -0.15 92
IV.ARVD.HHZ. 2018-09-29T00:46:31.37 0.1 undecidable manual P 2 0.6052 50 0.65 77
IV.FIAM.HHZ. 2018-09-29T00:46:31.23 0.1 undecidable manual P 166 0.643 50 -0.14 88
IV.ARRO.EHZ. 2018-09-29T00:46:31.22 0.1 undecidable manual S 198 0.331 50 -0.28 91
IV.MMO1.EHZ. 2018-09-29T00:46:30.28 0.1 undecidable manual S 89 0.3067 103 -0.38 89
IV.CSP1.EHZ. 2018-09-29T00:46:30.00 0.1 undecidable manual S 47 0.2941 104 -0.2 93
IV.LNSS.HHZ. 2018-09-29T00:46:30.54 0.6 undecidable manual S 161 0.3058 103 -0.09 47
IV.MOMA.HHZ. 2018-09-29T00:46:29.32 0.1 undecidable manual S 250 0.2626 105 0.29 92
IV.MC2.EHZ. 2018-09-29T00:46:27.50 0.1 undecidable manual S 85 0.2068 109 0.55 87
IV.CESX.HHZ. 2018-09-29T00:46:27.01 0.1 undecidable manual P 220 0.3696 50 0.32 89
IV.EL6.EHZ. 2018-09-29T00:46:27.87 0.1 undecidable manual P 18 0.4587 50 -0.34 87
IV.ASSB.HHZ. 2018-09-29T00:46:27.75 0.1 undecidable manual S 309 0.2356 107 -0.27 93
IV.FOSV.EHZ. 2018-09-29T00:46:27.24 0.1 undecidable manual P 345 0.4155 50 -0.24 90
IV.SMA1.EHZ. 2018-09-29T00:46:27.10 0.1 undecidable manual P 130 0.4092 50 -0.26 90
IV.RM33.EHZ. 2018-09-29T00:46:27.63 0.1 undecidable manual P 149 0.4452 50 -0.35 87
IV.MML1.HNE. 2018-09-29T00:46:27.68 0.6 undecidable manual S 12 0.2248 107 0.05 49
IV.MF5.EHZ. 2018-09-29T00:46:27.70 0.1 undecidable manual P 77 0.4146 50 0.24 90
IV.ARRO.EHZ. 2018-09-29T00:46:26.29 0.1 undecidable manual P 198 0.331 50 0.27 91
IV.MTRA.EHZ. 2018-09-29T00:46:26.58 0.1 undecidable manual P 111 0.3831 50 -0.34 89
IV.SNTG.HHE. 2018-09-29T00:46:26.46 0.1 undecidable manual P 4 0.3624 50 -0.11 93
IV.GUMA.HHZ. 2018-09-29T00:46:26.46 0.1 undecidable manual P 61 0.3552 50 0.01 95
IV.FDMO.HHZ. 2018-09-29T00:46:26.41 0.1 undecidable manual S 42 0.1943 110 -0.1 97
IV.CSP1.EHZ. 2018-09-29T00:46:25.05 0.1 undecidable manual P 47 0.2941 104 -0.22 93
IV.LNSS.HHZ. 2018-09-29T00:46:25.38 0.1 undecidable manual P 161 0.3058 103 -0.14 94
IV.MMO1.EHZ. 2018-09-29T00:46:25.26 0.1 undecidable manual P 89 0.3067 103 -0.28 91
IV.NRCA.HNZ. 2018-09-29T00:46:25.57 0.1 undecidable manual S 111 0.1628 114 0.21 95
IV.MOMA.HHZ. 2018-09-29T00:46:24.52 0.1 undecidable manual P 250 0.2626 105 -0.08 96
IV.FEMA.HNE. 2018-09-29T00:46:24.37 0.6 undecidable manual S 56 0.125 120 0.31 47
IV.MML1.HNE. 2018-09-29T00:46:23.65 0.1 undecidable manual P 12 0.2248 107 -0.14 95
IV.FDMO.HHZ. 2018-09-29T00:46:23.10 0.1 undecidable manual P 42 0.1943 110 -0.04 98
IV.CESI.HHZ. 2018-09-29T00:46:23.65 0.1 undecidable manual S 359 0.1115 122 0.01 100
IV.MC2.EHZ. 2018-09-29T00:46:23.59 0.1 undecidable manual P 85 0.2068 109 0.19 95
IV.ASSB.HHZ. 2018-09-29T00:46:23.80 0.1 undecidable manual P 309 0.2356 107 -0.21 94
IV.NRCA.HNZ. 2018-09-29T00:46:22.63 0.1 undecidable manual P 111 0.1628 114 0.15 96
IV.CESI.HHZ. 2018-09-29T00:46:21.58 0.1 undecidable manual P 359 0.1115 122 0.1 98
IV.FEMA.HNE. 2018-09-29T00:46:21.99 0.1 undecidable manual P 56 0.125 120 0.26 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHN. ML:2.3 0.00243 1.78 AML other m 2018-09-29T00:46:24.91
IV.CESI.HHE. ML:1.9 0.001024 0.96 AML other m 2018-09-29T00:46:24.14
IV.NRCA.HHE. ML:2.3 0.001645 0.16 AML other m 2018-09-29T00:46:25.88
IV.NRCA.HNE. ML:2.2 0.00153 0.18 AML other m 2018-09-29T00:46:25.88
IV.NRCA.HHN. ML:2.2 0.001495 0.14 AML other m 2018-09-29T00:46:26.09
IV.NRCA.HNN. ML:2.2 0.00139 0.14 AML other m 2018-09-29T00:46:26.09
IV.FDMO.HHE. ML:2 0.0007275 0.2 AML other m 2018-09-29T00:46:26.71
IV.FDMO.HHN. ML:1.8 0.00044 0.56 AML other m 2018-09-29T00:46:26.96
IV.GUMA.HNN. ML:2.4 0.0010055 0.42 AML other m 2018-09-29T00:46:27.30
IV.ASSB.HHN. ML:1.5 0.000173 0.9 AML other m 2018-09-29T00:46:29.09
IV.ASSB.HHE. ML:1.4 0.0001535 0.22 AML other m 2018-09-29T00:46:30.33
IV.MOMA.HHE. ML:1.6 0.00018 0.2 AML other m 2018-09-29T00:46:30.56
IV.MOMA.HHN. ML:1.5 0.000173 0.56 AML other m 2018-09-29T00:46:31.11
IV.ARRO.EHE. ML:1.8 0.0002255 0.28 AML other m 2018-09-29T00:46:32.21
IV.ARRO.EHN. ML:1.9 0.000332 0.2 AML other m 2018-09-29T00:46:32.42
IV.MTRA.EHN. ML:1.9 0.0002365 0.84 AML other m 2018-09-29T00:46:33.64
IV.MTRA.EHE. ML:1.9 0.000255 0.26 AML other m 2018-09-29T00:46:33.74
IV.CESX.HHN. ML:1.8 0.0002415 0.2 AML other m 2018-09-29T00:46:33.68
IV.GUMA.HNE. ML:2.1 0.000477 0.68 AML other m 2018-09-29T00:46:34.55
IV.SMA1.EHE. ML:1.5 9.5E-5 1.14 AML other m 2018-09-29T00:46:35.67
IV.CESX.HHE. ML:1.6 0.000142 0.38 AML other m 2018-09-29T00:46:35.49
IV.FOSV.EHN. ML:1.4 7.535E-5 0.54 AML other m 2018-09-29T00:46:36.32
IV.RM33.EHN. ML:1.4 6.805E-5 1.24 AML other m 2018-09-29T00:46:36.07
IV.GUMA.HHN. ML:2.2 0.000544 1.64 AML other m 2018-09-29T00:46:36.07
IV.EL6.EHN. ML:2 0.000247 0.2 AML other m 2018-09-29T00:46:36.97
IV.EL6.EHE. ML:2 0.0002805 0.24 AML other m 2018-09-29T00:46:37.39
IV.GUMA.HHE. ML:2.2 0.000511 0.36 AML other m 2018-09-29T00:46:37.31
IV.SMA1.EHN. ML:1.4 8.625E-5 0.5 AML other m 2018-09-29T00:46:37.90
IV.FOSV.EHE. ML:1.4 7.15E-5 1.24 AML other m 2018-09-29T00:46:38.27
IV.RM33.EHE. ML:1.5 7.87E-5 0.38 AML other m 2018-09-29T00:46:38.63
IV.ARVD.HHN. ML:1.4 4.02E-5 0.52 AML other m 2018-09-29T00:46:41.37
IV.ARVD.HHE. ML:1.5 5.37E-5 1.4 AML other m 2018-09-29T00:46:41.22
IV.FIAM.HHN. ML:1.3 3.51E-5 0.34 AML other m 2018-09-29T00:46:48.46
IV.FIAM.HHE. ML:1.4 3.97E-5 0.9 AML other m 2018-09-29T00:46:50.08
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