Earthquake with magnitude of ML 1.1 on date 20-09-2019 and time 06:01:11 (Italy) in region 3 km S Sellano (PG)

A magnitude ML 1.1 earthquake occured in region: 3 km S Sellano (PG), on

  • 20-09-2019 04:01:11 (UTC)
  • 20-09-2019 06:01:11 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8610, 12.9280 at 10 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 3 1079 1079
Cerreto di Spoleto PG 5 1075 2154
Preci PG 9 724 2878
Vallo di Nera PG 11 364 3242
Campello sul Clitunno PG 13 2442 5684
Trevi PG 15 8469 14153
Visso MC 15 1107 15260
Norcia PG 15 4957 20217
Sant'Anatolia di Narco PG 16 564 20781
Monte Cavallo MC 16 145 20926
Poggiodomo PG 17 117 21043
Cascia PG 17 3217 24260
Scheggino PG 18 461 24721
Castelsantangelo sul Nera MC 19 281 25002
Ussita MC 20 444 25446

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km SE of Foligno (57155 inhabitants)
40 Km NE of Terni (111501 inhabitants)
52 Km SE of Perugia (166134 inhabitants)
67 Km W of Teramo (54892 inhabitants)
68 Km NW of L'Aquila (69753 inhabitants)
83 Km NE of Viterbo (67173 inhabitants)
97 Km SW of Ancona (100861 inhabitants)
97 Km N of Guidonia Montecelio (88673 inhabitants)
100 Km N of Tivoli (56533 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 1.1 2019-09-20
04:01:11
42.8608 12.9282 11 2020-02-28
16:42:19
Bollettino Sismico Italiano INGV 75541251
Reviewed
Rev100
ML 1.3 2019-09-20
04:01:11
42.8643 12.9197 10 2019-09-20
04:16:11
Sala Sismica INGV-Roma 72576651
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-09-20 04:01:11 ± 0.03
Latitude 42.8608 ± 0.0018
Longitude 12.9282 ± 0.0037
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 75541251

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 266
Semi-minor axis of confidence ellipse (meter) 123
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 113
Circular confidence region, given by single value of horizontal uncertainty (meter) 270.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 61
Number of associated phases, regardless of their use for origin computation 38
Number of defining phases 30
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.35523
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 75541251
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-01-14 16:23:23

ML:1.3

Field Value
Value 1.3
Uncertainty 0.6
Num. used stations 12
Type of magnitude ML
Reference to an origin 72576651
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-09-20 04:16:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.BRMO.HHZ. 2019-09-20T04:02:54.65 3.0 undecidable manual Sg 4.03 0
IV.ZONE.HHZ. 2019-09-20T04:02:41.11 3.0 undecidable manual Sg 2.85 0
IV.CRJA.HHZ. 2019-09-20T04:02:35.43 3.0 undecidable manual Pg 7.58 0
IV.IACL.HHZ. 2019-09-20T04:02:34.53 3.0 undecidable manual Pg 14.63 0
IV.MBAL.EHZ. 2019-09-20T04:02:29.91 3.0 undecidable manual Sg -0.04 0
IV.CET2.HHZ. 2019-09-20T04:02:22.75 3.0 undecidable manual Pg 8.74 0
IV.VIVA.HHZ. 2019-09-20T04:01:50.19 3.0 undecidable manual S -4.75 0
IV.SAMA.HHZ. 2019-09-20T04:01:48.82 3.0 undecidable manual S -5.51 0
IV.CESX.HHE. 2019-09-20T04:01:24.72 0.6 undecidable manual S 225 39.4272 50 -0.08 47
IV.ARRO.EHZ. 2019-09-20T04:01:23.77 0.6 undecidable manual S 203 33.9438 50 0.44 44
IV.CSP1.EHZ. 2019-09-20T04:01:23.49 0.3 undecidable manual S 41 34.0437 50 0.12 71
IV.MMO1.EHZ. 2019-09-20T04:01:23.00 0.6 undecidable manual S 82 32.6451 50 0 48
IV.LNSS.HHZ. 2019-09-20T04:01:22.13 0.6 undecidable manual S 162 30.0477 50 -0.16 47
IV.MOMA.HNZ. 2019-09-20T04:01:22.30 0.6 undecidable manual S 258 29.8479 50 0.07 48
IV.ASSB.HHN. 2019-09-20T04:01:22.06 0.6 undecidable manual S 313 29.748 50 -0.15 48
IV.MML1.HNE. 2019-09-20T04:01:21.87 0.6 undecidable manual S 7 28.2495 50 0.06 48
IV.FDMO.HHZ. 2019-09-20T04:01:20.34 0.6 undecidable manual S 33 23.3544 50 -0.17 48
IV.MC2.EHZ. 2019-09-20T04:01:20.31 0.6 undecidable manual S 75 21.9669 116 0.19 48
IV.CESX.HHE. 2019-09-20T04:01:19.00 0.1 undecidable manual P 225 39.4272 50 -0.26 91
IV.GAVE.EHZ. 2019-09-20T04:01:19.03 0.6 undecidable manual S 188 18.87 119 -0.16 48
IV.MOMA.HNZ. 2019-09-20T04:01:18.20 0.3 undecidable manual P 258 29.8479 50 0.43 67
IV.MMO1.EHZ. 2019-09-20T04:01:18.16 0.1 undecidable manual P 82 32.6451 50 -0.05 96
IV.NRCA.HHZ. 2019-09-20T04:01:18.16 0.6 undecidable manual S 101 15.4734 124 0 50
IT.MTCL.HGZ. 2019-09-20T04:01:18.09 0.6 undecidable manual S 21 15.873 123 -0.19 48
IV.ARRO.EHZ. 2019-09-20T04:01:18.27 0.1 undecidable manual P 203 33.9438 50 -0.14 94
IV.CESI.HHZ. 2019-09-20T04:01:18.23 0.3 undecidable manual S 353 16.0728 123 -0.12 73
IV.FEMA.HNE. 2019-09-20T04:01:18.05 0.6 undecidable manual S 41 14.9739 125 0.02 50
IV.CSP1.EHZ. 2019-09-20T04:01:18.40 0.1 undecidable manual P 41 34.0437 50 -0.03 97
IV.LNSS.HHZ. 2019-09-20T04:01:17.68 0.1 undecidable manual P 162 30.0477 50 -0.13 95
IV.MML1.HNE. 2019-09-20T04:01:17.43 0.1 undecidable manual P 7 28.2495 50 -0.1 96
IV.ASSB.HHN. 2019-09-20T04:01:17.93 0.3 undecidable manual P 313 29.748 50 0.17 71
IV.GAVE.EHZ. 2019-09-20T04:01:16.08 0.1 positive manual P 188 18.87 119 0.06 99
IV.FDMO.HHZ. 2019-09-20T04:01:16.68 0.1 undecidable manual P 33 23.3544 50 -0.1 97
IV.MC2.EHZ. 2019-09-20T04:01:16.61 0.3 undecidable manual P 75 21.9669 116 0.05 73
IV.CESI.HHZ. 2019-09-20T04:01:15.58 0.1 undecidable manual P 353 16.0728 123 0.05 99
IV.FEMA.HNE. 2019-09-20T04:01:15.53 0.1 undecidable manual P 41 14.9739 125 0.18 97
IV.NRCA.HHZ. 2019-09-20T04:01:15.52 0.1 undecidable manual P 101 15.4734 124 0.1 99
IT.MTCL.HGZ. 2019-09-20T04:01:15.50 0.1 undecidable manual P 21 15.873 123 0 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:1.1 0.00012050000000000002 0.08 AML other m 2019-09-20T04:01:18.24
IV.CESI.HHN. ML:1.1 0.000121 0.2 AML other m 2019-09-20T04:01:18.67
IV.NRCA.HHN. ML:1.2 0.00013000000000000002 0.42 AML other m 2019-09-20T04:01:18.59
IV.CESI.HHE. ML:1.0 0.00009984999999999999 0.94 AML other m 2019-09-20T04:01:18.90
IV.GAVE.EHE. ML:1.4 0.00019350000000000001 0.46 AML other m 2019-09-20T04:01:19.58
IV.GAVE.EHN. ML:1.4 0.00019250000000000002 0.14 AML other m 2019-09-20T04:01:19.71
IV.FDMO.HHE. ML:1.0 0.0000713 0.16 AML other m 2019-09-20T04:01:20.74
IV.FDMO.HHN. ML:0.9 0.00004720000000000001 1.58 AML other m 2019-09-20T04:01:28.15
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