Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.7 on date 17-08-2022 and time 20:49:47 (UTC) in region 1 km E Sellano (PG)

A magnitude ML 0.7 earthquake occured in region: 1 km E Sellano (PG), on

  • 17-08-2022 20:49:47 (UTC)
  • 17-08-2022 22:49:47 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8900, 12.9430 at 11 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.

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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 1 1079 1079
Preci PG 8 724 1803
Cerreto di Spoleto PG 8 1075 2878
Monte Cavallo MC 13 145 3023
Visso MC 13 1107 4130
Vallo di Nera PG 15 364 4494
Campello sul Clitunno PG 16 2442 6936
Trevi PG 16 8469 15405
Norcia PG 16 4957 20362
Ussita MC 17 444 20806
Castelsantangelo sul Nera MC 17 281 21087
Sant'Anatolia di Narco PG 19 564 21651
Pieve Torina MC 19 1458 23109
Poggiodomo PG 20 117 23226
Cascia PG 20 3217 26443

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km E of Foligno (57155 inhabitants)
44 Km NE of Terni (111501 inhabitants)
51 Km E of Perugia (166134 inhabitants)
67 Km W of Teramo (54892 inhabitants)
71 Km NW of L'Aquila (69753 inhabitants)
86 Km NE of Viterbo (67173 inhabitants)
93 Km SW of Ancona (100861 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 0.7 2022-08-17
20:49:47		 42.8898 12.9433 11 2022-08-17
21:13:17		 Sala Sismica INGV-Roma 108660591
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-08-17 20:49:47 ± 0.07
Latitude 42.8898 ± 0.0036
Longitude 12.9433 ± 0.0049
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 108660591

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 365
Semi-minor axis of confidence ellipse (meter) 360
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 55
Circular confidence region, given by single value of horizontal uncertainty (meter) 370.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 76
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.10612
Epicentral distance of station farthest from the epicenter (degree) 0.45416
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:0.7

Field Value
Value 0.7
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 108660591
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-08-17 21:13:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EL6.EHZ. 2022-08-17T20:50:04.00 0.3 undecidable manual S 15 50.4162 50 0.38 66
IV.MOMA.HHZ. 2022-08-17T20:49:59.12 0.3 undecidable manual S 253 31.8459 50 0.46 67
IV.ASSB.HHZ. 2022-08-17T20:49:57.39 0.3 undecidable manual S 306 28.6491 50 -0.42 67
7F.SIB2.EHZ. 2022-08-17T20:49:57.77 0.3 undecidable manual S 90 29.2485 50 -0.21 70
IV.MML1.EHZ. 2022-08-17T20:49:56.88 0.3 undecidable manual S 5 24.9528 50 0.07 74
IV.EL6.EHZ. 2022-08-17T20:49:56.73 0.3 undecidable manual P 15 50.4162 50 -0.17 68
IV.GAVE.EHZ. 2022-08-17T20:49:55.92 0.3 undecidable manual S 190 22.2555 50 -0.19 71
IV.FDMO.HHZ. 2022-08-17T20:49:55.31 0.3 undecidable manual S 36 20.0688 50 -0.2 71
IV.MC2.EHZ. 2022-08-17T20:49:55.84 0.3 undecidable manual S 83 20.0688 50 0.32 70
IV.NRCA.HHZ. 2022-08-17T20:49:54.11 0.3 undecidable manual S 114 15.2736 50 -0.12 74
IV.MOMA.HHZ. 2022-08-17T20:49:53.93 0.3 undecidable manual P 253 31.8459 50 -0.1 71
7F.SIB2.EHZ. 2022-08-17T20:49:53.45 0.6 undecidable manual P 90 29.2485 50 -0.19 47
IV.CESI.HHZ. 2022-08-17T20:49:53.58 0.3 undecidable manual S 346 13.1757 130 -0.09 75
IT.MTCL.HGZ. 2022-08-17T20:49:53.26 0.3 undecidable manual S 21 12.3765 132 -0.22 73
IV.ASSB.HHZ. 2022-08-17T20:49:53.46 0.6 undecidable manual P 306 28.6491 50 -0.08 48
IV.FEMA.HNZ. 2022-08-17T20:49:53.23 0.3 undecidable manual S 47 11.7771 133 -0.09 75
IV.FDMO.HHZ. 2022-08-17T20:49:52.16 0.1 undecidable manual P 36 20.0688 50 -0.05 98
IV.MC2.EHZ. 2022-08-17T20:49:52.40 0.3 undecidable manual P 83 20.0688 50 0.18 72
IV.GAVE.EHZ. 2022-08-17T20:49:52.61 0.6 undecidable manual P 190 22.2555 50 0.05 49
IV.MML1.EHZ. 2022-08-17T20:49:52.86 0.1 undecidable manual P 5 24.9528 50 -0.1 96
IV.FEMA.HNZ. 2022-08-17T20:49:51.44 0.6 undecidable manual P 47 11.7771 133 0.5 45
IV.CESI.HHZ. 2022-08-17T20:49:51.24 0.1 undecidable manual P 346 13.1757 130 0.1 98
IT.MTCL.HGZ. 2022-08-17T20:49:51.41 0.3 undecidable manual P 21 12.3765 132 0.37 70
IV.NRCA.HHZ. 2022-08-17T20:49:51.45 0.1 undecidable manual P 114 15.2736 50 -0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHN. ML:0.6 0.000042380595 0.1024 AML other m 2022-08-17T20:49:53.90
IV.CESI.HHE. ML:0.2 0.00001355571805 0.0896 AML other m 2022-08-17T20:49:53.96
IV.NRCA.HHE. ML:1.4 0.000225 0.08 AML other m 2022-08-17T20:49:54.41
IV.NRCA.HHN. ML:1.2 0.00013700000000000002 0.14 AML other m 2022-08-17T20:49:54.63
IV.FDMO.HHN. ML:0.5 0.000026677495 0.1024 AML other m 2022-08-17T20:49:55.46
IV.FDMO.HHE. ML:0.8 0.000051306119999999995 0.1408 AML other m 2022-08-17T20:49:55.49
IV.ASSB.HHE. ML:0.5 0.00001699831 0.1536 AML other m 2022-08-17T20:49:58.78
IV.MML1.EHE. ML:0.8 0.0000422 0.26 AML other m 2022-08-17T20:49:57.18
IV.MML1.EHN. ML:0.9 0.000043650000000000004 0.12 AML other m 2022-08-17T20:49:57.22
IV.ASSB.HHN. ML:0.5 0.00001715 1.28 AML other m 2022-08-17T20:49:59.76
IV.MOMA.HHE. ML:0.8 0.000025 0.1 AML other m 2022-08-17T20:50:00.27
IV.MOMA.HHN. ML:0.5 0.00001585558 0.1024 AML other m 2022-08-17T20:50:00.58
IV.NRCA.HNE. ML:1.4 0.00021125795 0.1024 AML other m 2022-08-17T20:49:54.41
IV.NRCA.HNN. ML:1.2 0.0001331886 0.1024 AML other m 2022-08-17T20:49:54.82
IV.MC2.EHE. ML:0.5 0.000027474664999999994 0.128 AML other m 2022-08-17T20:49:56.29
IV.MC2.EHN. ML:1.0 0.00006614339499999999 0.2432 AML other m 2022-08-17T20:49:56.79
IV.EL6.EHE. ML:0.8 0.000013505634999999999 0.1408 AML other m 2022-08-17T20:50:04.90
IV.EL6.EHN. ML:1.0 0.000023339797500000003 0.2688 AML other m 2022-08-17T20:50:05.17
IV.ARVD.HHE. ML:0.5 0.0000066086007 0.128 AML other m 2022-08-17T20:50:09.52
IV.ARVD.HHN. ML:0.5 0.0000055932454999999995 0.1024 AML other m 2022-08-17T20:50:09.80
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