Earthquake with magnitude of ML 1.1 on date 11-09-2020 and time 14:41:32 (Italy) in region 10 km NW Sellano (PG)

A magnitude ML 1.1 earthquake occured in region: 10 km NW Sellano (PG), on

  • 11-09-2020 12:41:32 (UTC)
  • 11-09-2020 14:41:32 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9650, 12.8700 at 8 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.

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 10 1079 1079
Monte Cavallo MC 11 145 1224
Foligno PG 14 57155 58379
Trevi PG 14 8469 66848
Serravalle di Chienti MC 14 1070 67918
Valtopina PG 14 1398 69316
Spello PG 16 8645 77961
Cerreto di Spoleto PG 17 1075 79036
Preci PG 17 724 79760
Pieve Torina MC 17 1458 81218
Campello sul Clitunno PG 18 2442 83660
Nocera Umbra PG 18 5839 89499
Visso MC 18 1107 90606
Montefalco PG 19 5679 96285
Muccia MC 19 915 97200
Fiordimonte MC 20 202 97402

Municipalities with at least 50000 inhabitants

An earthquake occurred to
14 Km E of Foligno (57155 inhabitants)
42 Km E of Perugia (166134 inhabitants)
48 Km NE of Terni (111501 inhabitants)
76 Km W of Teramo (54892 inhabitants)
81 Km NW of L'Aquila (69753 inhabitants)
87 Km NE of Viterbo (67173 inhabitants)
90 Km SW of Ancona (100861 inhabitants)
98 Km SE of Arezzo (99543 inhabitants)
99 Km S of Fano (60888 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 1.1 2020-09-11
12:41:32
42.9647 12.87 8 2020-09-11
13:23:03
Sala Sismica INGV-Roma 82816911
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-09-11 12:41:32 ± 0.07
Latitude 42.9647 ± 0.0018
Longitude 12.8700 ± 0.0025
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 82816911

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 230
Semi-minor axis of confidence ellipse (meter) 89
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 276
Circular confidence region, given by single value of horizontal uncertainty (meter) 230.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 63
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.04766
Epicentral distance of station farthest from the epicenter (degree) 0.29498
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 82816911
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-09-11 13:23:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GAVE.EHZ. 2020-09-11T12:41:43.30 0.3 undecidable manual S 176 30.2475 105 0.06 72
IV.NRCA.HHZ. 2020-09-11T12:41:41.21 0.6 undecidable manual S 126 24.5532 108 -0.14 48
IV.MML1.HNZ. 2020-09-11T12:41:39.36 0.6 undecidable manual S 26 18.4704 113 0.01 50
IV.ASSB.HHZ. 2020-09-11T12:41:39.60 0.6 undecidable manual S 297 19.1697 112 0.02 50
IV.FDMO.HHZ. 2020-09-11T12:41:39.68 0.6 undecidable manual S 66 19.3695 112 0.05 49
IV.GAVE.EHZ. 2020-09-11T12:41:38.51 0.3 positive manual P 176 30.2475 105 -0.14 71
IV.SNTG.HHZ. 2020-09-11T12:41:38.73 1.0 undecidable manual P 10 32.745 103 -0.4 22
IV.CSP1.EHZ. 2020-09-11T12:41:38.56 0.6 negative manual P 62 30.6471 104 -0.16 47
IV.ATCC.EHZ. 2020-09-11T12:41:38.72 0.6 positive manual P 323 30.747 104 -0.03 49
IV.MOMA.HHZ. 2020-09-11T12:41:38.59 0.6 negative manual P 234 30.2475 105 -0.05 48
IV.NRCA.HHZ. 2020-09-11T12:41:37.98 1.0 positive manual P 126 24.5532 108 0.42 23
IV.MC2.EHZ. 2020-09-11T12:41:37.99 1.0 undecidable manual P 103 26.5512 106 0.05 24
IV.FDMO.HHZ. 2020-09-11T12:41:36.61 0.1 positive manual P 66 19.3695 112 0.04 99
IV.MML1.HNZ. 2020-09-11T12:41:36.44 0.1 undecidable manual P 26 18.4704 113 0.04 99
IV.ASSB.HHZ. 2020-09-11T12:41:36.65 0.6 negative manual P 297 19.1697 112 0.1 49
IV.CESI.HHZ. 2020-09-11T12:41:35.50 0.6 undecidable manual S 32 5.2947 146 -0.17 49
IT.MTCL.HGZ. 2020-09-11T12:41:35.21 0.6 undecidable manual P 73 10.9779 126 0.12 49
IV.CESI.HHZ. 2020-09-11T12:41:34.38 0.1 positive manual P 32 5.2947 146 0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:1.1 0.00011 1.18 AML other m 2020-09-11T12:41:39.74
IV.FDMO.HHN. ML:1.1 0.0001111 0.24 AML other m 2020-09-11T12:41:40.09
IV.ASSB.HHN. ML:0.9 0.0000621 1.48 AML other m 2020-09-11T12:41:40.88
IV.ASSB.HHE. ML:1.0 0.0000807 0.96 AML other m 2020-09-11T12:41:40.48
IV.NRCA.HHN. ML:1.2 0.00009070000000000001 0.12 AML other m 2020-09-11T12:41:42.77
IV.NRCA.HHE. ML:1.2 0.00009764999999999999 1.82 AML other m 2020-09-11T12:41:43.08
IV.CSP1.EHN. ML:1.0 0.000050799999999999995 0.66 AML other m 2020-09-11T12:41:43.15
IV.ATCC.EHE. ML:1.0 0.0000513 0.4 AML other m 2020-09-11T12:41:43.86
IV.CSP1.EHE. ML:1.2 0.0000756 0.22 AML other m 2020-09-11T12:41:43.69
IV.MOMA.HHN. ML:0.8 0.0000331 0.7 AML other m 2020-09-11T12:41:43.36
IV.ATCC.EHN. ML:1.0 0.000051949999999999996 0.6 AML other m 2020-09-11T12:41:43.61
IV.GAVE.EHN. ML:1.3 0.00009565 1.04 AML other m 2020-09-11T12:41:44.64
IV.SNTG.HHE. ML:1.0 0.00004455 1.04 AML other m 2020-09-11T12:41:44.42
IV.SNTG.HHN. ML:1.1 0.0000559 1.12 AML other m 2020-09-11T12:41:44.43
IV.GAVE.EHE. ML:1.5 0.00014125 0.54 AML other m 2020-09-11T12:41:45.52
IV.MOMA.HHE. ML:1.0 0.0000482 0.66 AML other m 2020-09-11T12:41:45.44
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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