Earthquake with magnitude of ML 0.5 on date 20-09-2022 and time 21:54:59 (Italy) in region 8 km NW Sellano (PG)

A magnitude ML 0.5 earthquake occured in region: 8 km NW Sellano (PG), on

  • 20-09-2022 19:54:59 (UTC)
  • 20-09-2022 21:54:59 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9520, 12.8780 at 10 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 8 1079 1079
Monte Cavallo MC 11 145 1224
Trevi PG 13 8469 9693
Foligno PG 14 57155 66848
Serravalle di Chienti MC 15 1070 67918
Cerreto di Spoleto PG 15 1075 68993
Preci PG 15 724 69717
Valtopina PG 16 1398 71115
Campello sul Clitunno PG 17 2442 73557
Visso MC 17 1107 74664
Spello PG 17 8645 83309
Pieve Torina MC 18 1458 84767
Nocera Umbra PG 19 5839 90606
Montefalco PG 19 5679 96285
Fiordimonte MC 20 202 96487
Muccia MC 20 915 97402

Municipalities with at least 50000 inhabitants

An earthquake occurred to
14 Km E of Foligno (57155 inhabitants)
43 Km E of Perugia (166134 inhabitants)
47 Km NE of Terni (111501 inhabitants)
75 Km W of Teramo (54892 inhabitants)
79 Km NW of L'Aquila (69753 inhabitants)
87 Km NE of Viterbo (67173 inhabitants)
90 Km SW of Ancona (100861 inhabitants)
99 Km SE of Arezzo (99543 inhabitants)
100 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 0.5 2022-09-20
19:54:59
42.9518 12.8782 10 2022-09-20
20:03:02
Sala Sismica INGV-Roma 109942791
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-09-20 19:54:59 ± 0.09
Latitude 42.9518 ± 0.0054
Longitude 12.8782 ± 0.0061
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 109942791

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 557
Semi-minor axis of confidence ellipse (meter) 519
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 10
Circular confidence region, given by single value of horizontal uncertainty (meter) 560.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 123
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.05666
Epicentral distance of station farthest from the epicenter (degree) 0.30667
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

ML:0.5

Field Value
Value 0.5
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 109942791
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-09-20 20:03:02
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2022-09-20T19:55:10.13 0.3 undecidable manual S 60 30.747 50 -0.16 74
IV.GAVE.EHE. 2022-09-20T19:55:09.62 0.6 undecidable manual S 177 28.8489 50 -0.18 48
IV.MC2.EHZ. 2022-09-20T19:55:08.95 0.6 undecidable manual S 100 25.6521 111 0.09 48
IV.NRCA.HHZ. 2022-09-20T19:55:07.84 0.3 undecidable manual S 124 23.2545 113 -0.25 70
IV.FDMO.HHZ. 2022-09-20T19:55:06.52 0.3 undecidable manual S 61 19.3695 117 -0.35 69
IV.MML1.EHE. 2022-09-20T19:55:06.86 0.3 undecidable manual S 23 19.4694 117 -0.04 75
IV.ASSB.HHZ. 2022-09-20T19:55:06.96 0.3 undecidable manual S 300 20.4684 116 -0.24 71
IV.SNTG.HHZ. 2022-09-20T19:55:06.04 0.1 undecidable manual P 9 34.0437 50 -0.13 98
IV.CSP1.EHZ. 2022-09-20T19:55:05.49 0.1 undecidable manual P 60 30.747 50 -0.17 97
IV.GAVE.EHE. 2022-09-20T19:55:05.31 0.1 undecidable manual P 177 28.8489 50 -0.06 99
IV.MC2.EHZ. 2022-09-20T19:55:05.79 0.1 undecidable manual P 100 25.6521 111 0.95 73
IV.NRCA.HHZ. 2022-09-20T19:55:04.28 0.1 undecidable manual P 124 23.2545 113 -0.12 96
IT.MTCL.HGN. 2022-09-20T19:55:04.23 0.6 undecidable manual S 65 10.878 132 -0.19 48
IV.CESI.HNE. 2022-09-20T19:55:03.50 0.3 undecidable manual S 20 6.2937 147 0.14 76
IV.FDMO.HHZ. 2022-09-20T19:55:03.69 0.1 undecidable manual P 61 19.3695 117 0 100
IV.MML1.EHE. 2022-09-20T19:55:03.76 0.1 undecidable manual P 23 19.4694 117 0.05 99
IV.ASSB.HHZ. 2022-09-20T19:55:03.85 0.1 undecidable manual P 300 20.4684 116 -0.03 100
IT.MTCL.HGN. 2022-09-20T19:55:02.46 0.1 undecidable manual P 65 10.878 132 0.19 99
IV.CESI.HNE. 2022-09-20T19:55:02.02 0.1 undecidable manual P 20 6.2937 147 0.36 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:0.4 0.00002225 0.72 AML other m 2022-09-20T19:55:06.32
IV.FDMO.HHN. ML:0.3 0.00001565 1.54 AML other m 2022-09-20T19:55:07.07
IV.NRCA.HHN. ML:0.7 0.000029049999999999998 1.22 AML other m 2022-09-20T19:55:08.18
IV.NRCA.HHE. ML:0.7 0.0000329 0.12 AML other m 2022-09-20T19:55:08.46
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