Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 24-08-2022 and time 20:49:45 (UTC) in region 5 km SE Contigliano (RI)

A magnitude ML 1.8 earthquake occured in region: 5 km SE Contigliano (RI), on

  • 24-08-2022 20:49:45 (UTC)
  • 24-08-2022 22:49:45 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.3830, 12.8060 at 16 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.

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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
Contigliano RI 5 3783 3783
Rieti RI 5 47698 51481
Monte San Giovanni in Sabina RI 6 714 52195
Greccio RI 9 1558 53753
Belmonte in Sabina RI 10 636 54389
Cottanello RI 10 563 54952
Montasola RI 10 395 55347
Montenero Sabino RI 11 299 55646
Roccantica RI 12 563 56209
Cittaducale RI 12 6828 63037
Casperia RI 12 1246 64283
Cantalice RI 13 2755 67038
Colli sul Velino RI 13 533 67571
Poggio Catino RI 13 1341 68912
Vacone RI 14 256 69168
Torri in Sabina RI 14 1256 70424
Configni RI 14 633 71057
Torricella in Sabina RI 15 1342 72399
Casaprota RI 15 744 73143
Poggio San Lorenzo RI 15 589 73732
Salisano RI 15 567 74299
Poggio Bustone RI 15 2055 76354
Cantalupo in Sabina RI 15 1685 78039
Rivodutri RI 16 1253 79292
Rocca Sinibalda RI 16 815 80107
Mompeo RI 16 530 80637
Labro RI 16 374 81011
Concerviano RI 16 291 81302
Morro Reatino RI 16 373 81675
Poggio Mirteto RI 16 6315 87990
Selci RI 17 1106 89096
Frasso Sabino RI 17 743 89839
Montebuono RI 17 883 90722
Monteleone Sabino RI 17 1224 91946
Castelnuovo di Farfa RI 17 1059 93005
Stroncone TR 18 4917 97922
Tarano RI 18 1444 99366
Longone Sabino RI 18 597 99963
Montopoli di Sabina RI 18 4210 104173
Poggio Nativo RI 19 2622 106795
Castel Sant'Angelo RI 19 1308 108103
Toffia RI 19 1058 109161
Forano RI 20 3179 112340
Calvi dell'Umbria TR 20 1856 114196

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km SE of Terni (111501 inhabitants)
43 Km N of Guidonia Montecelio (88673 inhabitants)
47 Km N of Tivoli (56533 inhabitants)
49 Km W of L'Aquila (69753 inhabitants)
58 Km E of Viterbo (67173 inhabitants)
61 Km NE of Roma (2864731 inhabitants)
64 Km S of Foligno (57155 inhabitants)
77 Km N of Velletri (53303 inhabitants)
80 Km W of Teramo (54892 inhabitants)
82 Km NE of Fiumicino (78395 inhabitants)
83 Km NE of Pomezia (62966 inhabitants)
88 Km SE of Perugia (166134 inhabitants)
89 Km N of Aprilia (73446 inhabitants)
89 Km E of Civitavecchia (52991 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 1.8 2022-08-24
20:49:45		 42.3828 12.8063 16 2023-01-31
19:03:40		 Bollettino Sismico Italiano INGV 109464041
Reviewed
Rev100 		ML 1.8 2022-08-24
20:49:45		 42.3885 12.8073 11 2022-08-24
21:01:20		 Sala Sismica INGV-Roma 108913341
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-08-24 20:49:45 ± 0.05
Latitude 42.3828 ± 0.0027
Longitude 12.8063 ± 0.0049
Depth (km) 16 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 109464041

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 380
Semi-minor axis of confidence ellipse (meter) 19
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 64
Circular confidence region, given by single value of horizontal uncertainty (meter) 380.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 86
Number of associated phases, regardless of their use for origin computation 45
Number of defining phases 40
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.10707
Number of stations at which the event was observed 31
Number of stations from which data was used for origin computation 27
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 40
Type of magnitude ML
Reference to an origin 109464041
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-09-08 09:53:35

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 48
Type of magnitude ML
Reference to an origin 108913341
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-08-24 21:01:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.BRSN.HNZ. 2022-08-24T20:50:23.09 3.0 positive manual Pg 5.69 0
IV.IMOL.HNZ. 2022-08-24T20:50:19.16 3.0 positive manual Pn -0.32 0
IV.LRP.EHZ. 2022-08-24T20:50:16.26 3.0 undecidable manual S -1.12 0
IV.FDMO.HHZ. 2022-08-24T20:50:08.35 0.3 undecidable manual S 17 76.0683 94 0.52 62
IV.TERO.HHZ. 2022-08-24T20:50:06.37 0.6 undecidable manual S 68 70.4739 94 0.03 46
IV.ATPI.EHZ. 2022-08-24T20:50:05.67 0.3 undecidable manual P 345 122.8881 92 0.26 59
IV.EL6.EHZ. 2022-08-24T20:50:03.28 0.3 undecidable manual P 13 107.7144 93 0.21 62
IV.CAMP.HHZ. 2022-08-24T20:50:01.83 0.6 undecidable manual S 71 52.1034 97 0.35 45
IV.CERT.HHZ. 2022-08-24T20:50:01.17 0.3 undecidable manual S 163 50.2164 97 0.2 69
IV.MOMA.HHZ. 2022-08-24T20:50:01.01 0.3 undecidable manual S 338 50.5161 97 -0.04 71
IV.SACS.HHZ. 2022-08-24T20:50:00.49 0.3 undecidable manual P 306 89.6436 93 0.21 64
IV.CSP1.EHZ. 2022-08-24T20:49:59.85 0.3 undecidable manual P 22 85.0482 94 0.27 64
IV.T0110.HHZ. 2022-08-24T20:49:59.32 0.3 undecidable manual P 102 81.3519 94 0.31 64
IV.MML1.EHZ. 2022-08-24T20:49:59.90 0.3 undecidable manual P 9 82.1511 94 0.76 55
IV.MGAB.HHZ. 2022-08-24T20:49:59.16 0.3 undecidable manual P 316 81.6516 94 0.1 67
IV.FDMO.HHZ. 2022-08-24T20:49:58.08 0.3 undecidable manual P 17 76.0683 94 -0.12 67
IV.ASSB.HHZ. 2022-08-24T20:49:58.10 0.3 undecidable manual P 351 74.1702 94 0.19 66
IV.MTCE.HHZ. 2022-08-24T20:49:58.17 0.3 undecidable manual S 188 40.2264 99 -0.17 71
IT.CSO1.HGE. 2022-08-24T20:49:58.67 3.0 undecidable manual S 0.37 0
IV.ORTE.EHN. 2022-08-24T20:49:57.07 0.3 undecidable manual S 284 35.6421 101 -0.04 73
IV.RM33.EHZ. 2022-08-24T20:49:57.39 0.6 undecidable manual S 67 36.2415 101 0.12 48
IV.MMO1.EHZ. 2022-08-24T20:49:57.19 0.3 undecidable manual P 36 71.373 94 -0.28 65
IV.TERO.HHZ. 2022-08-24T20:49:57.05 0.1 negative manual P 68 70.4739 94 -0.29 87
IV.GAVE.EHZ. 2022-08-24T20:49:57.10 0.3 undecidable manual S 12 35.0427 101 0.13 72
IV.CESI.HHZ. 2022-08-24T20:49:57.22 0.3 undecidable manual P 7 69.4749 95 0.03 69
IV.FAGN.HHZ. 2022-08-24T20:49:56.27 0.1 undecidable manual P 101 65.0904 95 -0.23 89
IV.GIGS.HHZ. 2022-08-24T20:49:56.06 0.3 undecidable manual P 83 63.2922 95 -0.17 68
IV.MC2.EHZ. 2022-08-24T20:49:56.62 0.3 undecidable manual P 28 66.4779 95 -0.1 68
IV.FIAM.HHZ. 2022-08-24T20:49:55.02 0.6 undecidable manual S 116 28.4493 105 -0.24 48
IV.CESX.HHZ. 2022-08-24T20:49:55.68 0.6 undecidable manual S 324 30.8469 104 -0.18 48
IV.NRCA.HHZ. 2022-08-24T20:49:54.80 0.1 undecidable manual P 27 55.9995 96 -0.31 89
IV.CAMP.HHZ. 2022-08-24T20:49:54.36 0.1 undecidable manual P 71 52.1034 97 -0.17 92
IV.CERT.HHZ. 2022-08-24T20:49:54.05 0.3 undecidable manual P 163 50.2164 97 -0.19 69
IV.MOMA.HHZ. 2022-08-24T20:49:53.98 0.1 undecidable manual P 338 50.5161 97 -0.3 90
IV.ARRO.EHZ. 2022-08-24T20:49:53.05 0.3 undecidable manual S 351 22.0668 113 -0.58 65
IV.MTCE.HHZ. 2022-08-24T20:49:52.63 0.1 undecidable manual P 188 40.2264 99 -0.08 96
IV.ORTE.EHN. 2022-08-24T20:49:52.12 0.1 negative manual P 284 35.6421 101 0.11 97
IT.MMP1.HGZ. 2022-08-24T20:49:52.40 0.6 undecidable manual S 198 15.5733 125 0.29 48
IV.RM33.EHZ. 2022-08-24T20:49:52.14 0.1 positive manual P 67 36.2415 101 0.04 98
IV.GAVE.EHZ. 2022-08-24T20:49:51.85 0.1 undecidable manual P 12 35.0427 101 -0.07 97
IT.CSO1.HGE. 2022-08-24T20:49:51.96 3.0 undecidable manual P -0.82 0
IV.CESX.HHZ. 2022-08-24T20:49:51.10 0.1 undecidable manual P 324 30.8469 104 -0.18 95
IV.FIAM.HHZ. 2022-08-24T20:49:50.99 0.1 positive manual P 116 28.4493 105 0.05 99
IT.MMP1.HGZ. 2022-08-24T20:49:49.38 0.1 undecidable manual P 198 15.5733 125 0.26 97
IV.ARRO.EHZ. 2022-08-24T20:49:49.97 0.1 undecidable manual P 351 22.0668 113 -0.03 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ARRO.EHN. ML:1.9 0.00047650000000000004 0.22 AML other m 2022-08-24T20:49:53.80
IV.ARRO.EHE. ML:1.8 0.0003835 0.18 AML other m 2022-08-24T20:49:55.84
IV.CESX.HHE. ML:1.9 0.0003185 1.5 AML other m 2022-08-24T20:49:55.18
IV.FIAM.HHN. ML:1.9 0.00037 0.84 AML other m 2022-08-24T20:49:56.31
IV.CESX.HHN. ML:1.8 0.0002755 0.24 AML other m 2022-08-24T20:49:57.12
IV.FIAM.HHE. ML:1.8 0.0003075 0.66 AML other m 2022-08-24T20:49:57.60
IV.GAVE.EHN. ML:2.1 0.00044950000000000003 0.6 AML other m 2022-08-24T20:49:57.90
IV.RM33.HNN. ML:2.1 0.0004765 0.98 AML other m 2022-08-24T20:49:58.99
IV.RM33.EHN. ML:2.1 0.0004735 1.02 AML other m 2022-08-24T20:49:58.00
IV.GAVE.EHE. ML:2.1 0.000502 0.86 AML other m 2022-08-24T20:49:58.13
IV.RM33.HNE. ML:2.1 0.00048350000000000004 0.98 AML other m 2022-08-24T20:49:58.36
IV.RM33.EHE. ML:2.1 0.000416 0.98 AML other m 2022-08-24T20:49:58.37
IV.CERT.HHE. ML:1.4 0.0000622 1.14 AML other m 2022-08-24T20:50:01.31
IV.CAMP.HHE. ML:1.4 0.0000541 1.1 AML other m 2022-08-24T20:50:02.03
IV.CERT.HHN. ML:1.6 0.00009865 0.72 AML other m 2022-08-24T20:50:02.74
IV.NRCA.HHE. ML:2.1 0.0002475 0.14 AML other m 2022-08-24T20:50:03.48
IV.CAMP.HHN. ML:1.4 0.0000586 1.04 AML other m 2022-08-24T20:50:03.23
IV.MOMA.HHE. ML:1.7 0.000136 0.16 AML other m 2022-08-24T20:50:03.74
IV.MOMA.HHN. ML:1.9 0.0002 0.22 AML other m 2022-08-24T20:50:04.94
IV.NRCA.HHN. ML:1.8 0.0001425 0.3 AML other m 2022-08-24T20:50:04.70
IV.MMO1.EHN. ML:1.8 0.00009575 0.54 AML other m 2022-08-24T20:50:07.61
IV.CESI.HHE. ML:1.6 0.00006500000000000001 0.88 AML other m 2022-08-24T20:50:09.27
IV.MMO1.EHE. ML:1.7 0.00008675 0.38 AML other m 2022-08-24T20:50:10.36
IV.FDMO.HHN. ML:1.6 0.00006055 0.72 AML other m 2022-08-24T20:50:11.29
IV.MGAB.HHE. ML:1.9 0.00011235000000000001 0.3 AML other m 2022-08-24T20:50:11.66
IV.FDMO.HHE. ML:1.7 0.00007195 1.26 AML other m 2022-08-24T20:50:11.86
IV.CESI.HHN. ML:1.8 0.0001095 1.58 AML other m 2022-08-24T20:50:11.92
IV.MGAB.HHN. ML:1.8 0.0000733 0.74 AML other m 2022-08-24T20:50:13.32
IV.ASSB.HHE. ML:1.5 0.000051250000000000006 0.22 AML other m 2022-08-24T20:50:14.14
IV.FAGN.HHE. ML:1.9 0.0001365 0.3 AML other m 2022-08-24T20:50:14.37
IV.MML1.EHN. ML:1.6 0.00004845 0.88 AML other m 2022-08-24T20:50:14.84
IV.CSP1.EHN. ML:2.0 0.0001185 0.28 AML other m 2022-08-24T20:50:14.61
IV.ASSB.HHN. ML:1.5 0.0000511 0.22 AML other m 2022-08-24T20:50:14.86
IV.MML1.EHE. ML:1.7 0.00006905 0.26 AML other m 2022-08-24T20:50:15.41
IV.CSP1.EHE. ML:1.9 0.0001069 0.28 AML other m 2022-08-24T20:50:15.70
IV.T0110.HHE. ML:1.7 0.000071 0.54 AML other m 2022-08-24T20:50:18.87
IV.FAGN.HHN. ML:1.9 0.000132 0.4 AML other m 2022-08-24T20:50:18.56
IV.EL6.EHE. ML:1.8 0.000057725 0.62 AML other m 2022-08-24T20:50:21.32
IV.T0110.HHN. ML:1.8 0.00007545 0.44 AML other m 2022-08-24T20:50:23.74
IV.EL6.EHN. ML:1.9 0.00006405 0.48 AML other m 2022-08-24T20:50:25.29
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