Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 17-07-2023 and time 00:39:52 (Italy) in region 1 km NE Vicovaro (RM)

A magnitude ML 1.6 earthquake occured in region: 1 km NE Vicovaro (RM), on

  • 16-07-2023 22:39:52 (UTC)
  • 17-07-2023 00:39:52 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.0220, 12.9040 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
Vicovaro RM 1 4019 4019
Mandela RM 2 917 4936
Roccagiovine RM 3 263 5199
Saracinesco RM 4 185 5384
Sambuci RM 5 925 6309
San Polo dei Cavalieri RM 5 2992 9301
Castel Madama RM 6 7399 16700
Licenza RM 6 1011 17711
Cineto Romano RM 6 601 18312
Anticoli Corrado RM 7 915 19227
Ciciliano RM 7 1336 20563
Roviano RM 8 1351 21914
Marcellina RM 8 7280 29194
Percile RM 8 255 29449
Riofreddo RM 9 781 30230
Arsoli RM 10 1586 31816
Marano Equo RM 10 779 32595
Vallinfreda RM 10 283 32878
Cerreto Laziale RM 11 1118 33996
Tivoli RM 11 56533 90529
Agosta RM 12 1765 92294
Oricola AQ 12 1244 93538
Monteflavio RM 12 1348 94886
San Gregorio da Sassola RM 12 1619 96505
Gerano RM 12 1263 97768
Vivaro Romano RM 12 182 97950
Rocca Canterano RM 12 196 98146
Palombara Sabina RM 13 13269 111415
Orvinio RI 13 405 111820
Casape RM 13 744 112564
Pisoniano RM 13 770 113334
Rocca di Botte AQ 14 856 114190
Cervara di Roma RM 14 455 114645
Canterano RM 14 351 114996
Guidonia Montecelio RM 15 88673 203669
Poli RM 15 2418 206087
Moricone RM 15 2650 208737
Montorio Romano RM 15 1984 210721
Turania RI 16 241 210962
Sant'Angelo Romano RM 16 5018 215980
Rocca Santo Stefano RM 16 975 216955
Pozzaglia Sabina RI 16 360 217315
San Vito Romano RM 17 3273 220588
Scandriglia RI 17 3108 223696
Pereto AQ 17 682 224378
Camerata Nuova RM 17 447 224825
Carsoli AQ 17 5396 230221
Collalto Sabino RI 18 442 230663
Gallicano nel Lazio RM 18 6334 236997
Capranica Prenestina RM 18 351 237348
Nerola RM 18 1926 239274
Bellegra RM 19 2887 242161
Montelibretti RM 19 5323 247484
Subiaco RM 19 9074 256558
Castel San Pietro Romano RM 19 902 257460
Rocca di Cave RM 20 377 257837

Municipalities with at least 50000 inhabitants

An earthquake occurred to
11 Km NE of Tivoli (56533 inhabitants)
15 Km E of Guidonia Montecelio (88673 inhabitants)
38 Km E of Roma (2864731 inhabitants)
39 Km N of Velletri (53303 inhabitants)
51 Km NE of Pomezia (62966 inhabitants)
52 Km NE of Aprilia (73446 inhabitants)
55 Km SW of L'Aquila (69753 inhabitants)
62 Km N of Latina (125985 inhabitants)
62 Km E of Fiumicino (78395 inhabitants)
64 Km SE of Terni (111501 inhabitants)
68 Km NE of Anzio (54211 inhabitants)
79 Km SE of Viterbo (67173 inhabitants)
92 Km E of Civitavecchia (52991 inhabitants)
97 Km SW of Teramo (54892 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 1.6 2023-07-16
22:39:52		 42.0217 12.9043 11 2023-07-16
22:45:51		 Sala Sismica INGV-Roma 119327511
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-07-16 22:39:52 ± 0.06
Latitude 42.0217 ± 0.0036
Longitude 12.9043 ± 0.0048
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 119327511

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 407
Semi-minor axis of confidence ellipse (meter) 377
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 290
Circular confidence region, given by single value of horizontal uncertainty (meter) 410.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 62
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.67359
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 14
Magnitude information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 26
Type of magnitude ML
Reference to an origin 119327511
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-07-16 22:45:51
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SACR.HNZ. 2023-07-16T22:40:39.56 3.0 undecidable manual S 0.76 0
IV.MML1.EHZ. 2023-07-16T22:40:28.96 3.0 undecidable manual S -0.8 0
IV.FDMO.HHZ. 2023-07-16T22:40:28.11 3.0 undecidable manual S 0.1 0
IV.NRCA.HHZ. 2023-07-16T22:40:08.36 3.0 positive manual P -0.39 0
IV.PTQR.HHZ. 2023-07-16T22:40:06.15 0.6 undecidable manual S 90 40.9257 50 0.16 46
IV.POFI.HHZ. 2023-07-16T22:40:05.33 0.6 positive manual P 117 74.7696 50 -0.19 43
IV.ARRO.EHZ. 2023-07-16T22:40:04.22 0.6 undecidable manual P 350 62.8926 50 0.53 41
IV.LNSS.HHZ. 2023-07-16T22:40:03.84 0.6 undecidable manual P 10 65.49 50 -0.24 43
IV.FIAM.HHZ. 2023-07-16T22:40:03.53 0.6 undecidable manual S 33 32.4453 50 -0.21 46
IV.GIUL.HHZ. 2023-07-16T22:40:02.89 0.6 undecidable manual P 150 58.9965 50 -0.2 44
IV.LATB.EHZ. 2023-07-16T22:40:02.72 0.3 undecidable manual P 175 58.6968 50 -0.33 64
IV.RCAV.EHZ. 2023-07-16T22:40:00.44 0.3 undecidable manual S 170 19.6692 118 0.18 71
IV.PTQR.HHZ. 2023-07-16T22:40:00.18 0.3 undecidable manual P 90 40.9257 50 -0.12 70
IV.RDP.HNE. 2023-07-16T22:39:59.69 0.6 undecidable manual P 209 33.1446 50 0.59 42
IT.CSO1.HGZ. 2023-07-16T22:39:59.89 0.3 undecidable manual S 60 17.4714 121 0.28 70
IV.VIVA.HHE. 2023-07-16T22:39:59.20 0.6 undecidable manual P 200 32.0457 50 0.26 46
IV.FIAM.HHZ. 2023-07-16T22:39:58.81 0.6 negative manual P 33 32.4453 50 -0.18 46
IT.MMP1.HGZ. 2023-07-16T22:39:58.48 0.6 undecidable manual P 333 28.3494 50 0.12 47
IV.MTCE.HHZ. 2023-07-16T22:39:58.28 0.1 undecidable manual S 271 13.3755 128 -0.16 96
IV.CERT.HHZ. 2023-07-16T22:39:57.55 0.1 undecidable manual S 142 10.2786 136 -0.09 98
IV.RCAV.EHZ. 2023-07-16T22:39:56.90 0.6 undecidable manual P 170 19.6692 118 -0.09 48
IT.CSO1.HGZ. 2023-07-16T22:39:56.54 0.3 undecidable manual P 60 17.4714 121 -0.08 73
IV.CERT.HHZ. 2023-07-16T22:39:55.47 0.1 undecidable manual P 142 10.2786 136 0 100
IV.MTCE.HHZ. 2023-07-16T22:39:55.96 0.3 undecidable manual P 271 13.3755 128 0.03 74
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CERT.HHN. ML:1.9 0.0010899999999999998 0.68 AML other m 2023-07-16T22:39:59.35
IV.CERT.HNN. ML:1.9 0.0010509999999999999 0.68 AML other m 2023-07-16T22:39:59.35
IV.MTCE.HHN. ML:1.6 0.00041999999999999996 0.3 AML other m 2023-07-16T22:39:59.25
IV.MTCE.HHE. ML:1.6 0.00045400000000000003 0.36 AML other m 2023-07-16T22:39:59.37
IV.CERT.HHE. ML:1.6 0.000506 0.46 AML other m 2023-07-16T22:39:59.19
IV.CERT.HNE. ML:2.0 0.00135 0.48 AML other m 2023-07-16T22:39:59.89
IV.RCAV.EHN. ML:1.6 0.00026900000000000003 0.44 AML other m 2023-07-16T22:40:03.26
IV.RCAV.EHE. ML:1.7 0.0003595 0.44 AML other m 2023-07-16T22:40:03.04
IV.FIAM.HNN. ML:1.8 0.0002635 0.88 AML other m 2023-07-16T22:40:05.89
IV.FIAM.HNE. ML:1.8 0.00027449999999999995 1.36 AML other m 2023-07-16T22:40:07.23
IV.FIAM.HHE. ML:1.6 0.00017050000000000002 1.34 AML other m 2023-07-16T22:40:07.23
IV.FIAM.HHN. ML:1.7 0.00020400000000000003 1.3 AML other m 2023-07-16T22:40:07.78
IV.LATB.EHE. ML:0.8 0.00001515 1.3 AML other m 2023-07-16T22:40:11.00
IV.ARRO.EHE. ML:1.5 0.0000547 1.22 AML other m 2023-07-16T22:40:13.64
IV.ARRO.EHN. ML:1.6 0.0000764 0.26 AML other m 2023-07-16T22:40:16.29
IV.GIUL.HHN. ML:1.4 0.00005365 0.54 AML other m 2023-07-16T22:40:16.66
IV.LATB.EHN. ML:1.0 0.000019255 0.78 AML other m 2023-07-16T22:40:17.19
IV.GIUL.HHE. ML:1.3 0.0000392 1.28 AML other m 2023-07-16T22:40:17.34
IV.POFI.HHE. ML:1.1 0.000019950000000000004 1.72 AML other m 2023-07-16T22:40:18.91
IV.NRCA.HHE. ML:1.6 0.00004055 0.18 AML other m 2023-07-16T22:40:24.34
IV.POFI.HHN. ML:1.0 0.0000166 0.44 AML other m 2023-07-16T22:40:26.64
IV.NRCA.HHN. ML:1.6 0.000038650000000000004 0.54 AML other m 2023-07-16T22:40:26.89
IV.FDMO.HHN. ML:1.5 0.00002615 0.72 AML other m 2023-07-16T22:40:28.73
IV.FDMO.HHE. ML:1.7 0.00003845 0.22 AML other m 2023-07-16T22:40:28.49
IV.MML1.EHN. ML:1.4 0.0000219 0.44 AML other m 2023-07-16T22:40:31.76
IV.MML1.EHE. ML:1.7 0.00003515 1.38 AML other m 2023-07-16T22:40:33.02
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