Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 05-03-2023 and time 01:45:59 (Italy) in region 3 km NW Tivoli (RM)

A magnitude ML 1.5 earthquake occured in region: 3 km NW Tivoli (RM), on

  • 05-03-2023 00:45:59 (UTC)
  • 05-03-2023 01:45:59 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.9900, 12.7770 at 6 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
Tivoli RM 3 56533 56533
Guidonia Montecelio RM 4 88673 145206
Marcellina RM 5 7280 152486
San Polo dei Cavalieri RM 6 2992 155478
Sant'Angelo Romano RM 7 5018 160496
Castel Madama RM 8 7399 167895
Palombara Sabina RM 9 13269 181164
Vicovaro RM 10 4019 185183
San Gregorio da Sassola RM 11 1619 186802
Roccagiovine RM 12 263 187065
Mentana RM 13 22921 209986
Casape RM 13 744 210730
Fonte Nuova RM 13 32562 243292
Mandela RM 13 917 244209
Sambuci RM 13 925 245134
Gallicano nel Lazio RM 14 6334 251468
Ciciliano RM 14 1336 252804
Licenza RM 14 1011 253815
Moricone RM 14 2650 256465
Monteflavio RM 14 1348 257813
Saracinesco RM 15 185 257998
Poli RM 15 2418 260416
Monterotondo RM 15 40830 301246
Percile RM 16 255 301501
Montelibretti RM 17 5323 306824
Montorio Romano RM 17 1984 308808
Cineto Romano RM 17 601 309409
Zagarolo RM 17 17843 327252
Colonna RM 17 4287 331539
Pisoniano RM 18 770 332309
Cerreto Laziale RM 18 1118 333427
Anticoli Corrado RM 18 915 334342
Roviano RM 19 1351 335693
Castel San Pietro Romano RM 19 902 336595
San Cesareo RM 19 15153 351748
Gerano RM 19 1263 353011
Palestrina RM 19 21672 374683
Nerola RM 19 1926 376609
Marano Equo RM 20 779 377388
Monte Porzio Catone RM 20 8693 386081

Municipalities with at least 50000 inhabitants

An earthquake occurred to
3 Km NW of Tivoli (56533 inhabitants)
4 Km E of Guidonia Montecelio (88673 inhabitants)
26 Km E of Roma (2864731 inhabitants)
34 Km N of Velletri (53303 inhabitants)
42 Km NE of Pomezia (62966 inhabitants)
45 Km N of Aprilia (73446 inhabitants)
51 Km E of Fiumicino (78395 inhabitants)
59 Km N of Latina (125985 inhabitants)
61 Km N of Anzio (54211 inhabitants)
65 Km S of Terni (111501 inhabitants)
65 Km SW of L'Aquila (69753 inhabitants)
73 Km SE of Viterbo (67173 inhabitants)
82 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 1.5 2023-03-05
00:45:59		 41.9897 12.7767 6 2024-03-01
17:18:02		 Bollettino Sismico Italiano INGV 116281641
Reviewed
Rev100 		ML 1.6 2023-03-05
00:45:59		 41.9723 12.7545 5 2023-03-05
01:09:44		 Sala Sismica INGV-Roma 114998151
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-05 00:45:59 ± 0.06
Latitude 41.9897 ± 0.0036
Longitude 12.7767 ± 0.0048
Depth (km) 6 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 116281641

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 338
Semi-minor axis of confidence ellipse (meter) 263
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 36
Circular confidence region, given by single value of horizontal uncertainty (meter) 340.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 44
Number of associated phases, regardless of their use for origin computation 38
Number of defining phases 38
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.04137
Epicentral distance of station farthest from the epicenter (degree) 1.01893
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 25
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.1
Num. used stations 16
Type of magnitude ML
Reference to an origin 116281641
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-11-23 15:31:33

ML:1.6

Field Value
Value 1.6
Uncertainty 0.1
Num. used stations 16
Type of magnitude ML
Reference to an origin 114998151
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-03-05 01:09:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.BARO.EHE. 2023-03-05T00:46:20.85 0.6 undecidable manual S 296 66.1893 50 0.2 46
IV.GIUL.HHZ. 2023-03-05T00:46:19.78 0.6 undecidable manual S 140 62.0934 50 0.24 46
IV.TOLF.HHN. 2023-03-05T00:46:19.87 0.6 undecidable manual S 278 64.491 50 -0.32 45
IV.CESI.HHZ. 2023-03-05T00:46:18.88 0.6 undecidable manual P 5 113.0979 50 0.01 43
IV.PTQR.HHN. 2023-03-05T00:46:17.45 0.3 undecidable manual S 86 51.5151 50 0.72 61
IV.NRCA.HHZ. 2023-03-05T00:46:16.48 0.3 undecidable manual P 16 97.6245 50 0 67
IV.MOMA.HHZ. 2023-03-05T00:46:15.84 0.3 undecidable manual P 349 91.8414 50 0.24 65
IV.GUAR.HHE. 2023-03-05T00:46:15.95 0.6 undecidable manual S 116 49.2174 50 -0.17 48
IV.FIAM.HHZ. 2023-03-05T00:46:14.49 0.6 undecidable manual S 42 41.7249 98 0.53 44
IV.SMA1.EHZ. 2023-03-05T00:46:14.05 0.3 undecidable manual P 33 84.5487 50 -0.43 63
IV.BARO.EHE. 2023-03-05T00:46:11.40 0.6 undecidable manual P 296 66.1893 50 -0.25 45
IV.TOLF.HHN. 2023-03-05T00:46:11.18 0.6 undecidable manual P 278 64.491 50 -0.2 46
IV.SRES.HHZ. 2023-03-05T00:46:11.43 0.6 undecidable manual S 321 35.1426 99 -0.28 48
IV.ARRO.EHZ. 2023-03-05T00:46:11.27 1.0 undecidable manual P 359 65.3901 50 -0.25 23
IV.RM33.EHZ. 2023-03-05T00:46:11.71 0.6 undecidable manual P 32 67.8765 50 -0.2 46
IV.GIUL.HHZ. 2023-03-05T00:46:10.86 0.3 undecidable manual P 140 62.0934 50 -0.15 70
IV.LATB.EHZ. 2023-03-05T00:46:10.21 0.3 undecidable manual P 164 57.0984 50 -0.03 72
IV.PTQR.HHN. 2023-03-05T00:46:09.45 0.1 undecidable manual P 86 51.5151 50 0.06 97
IT.MMP1.HGE. 2023-03-05T00:46:09.94 0.6 undecidable manual S 355 28.8489 101 0.37 47
IV.RDP.HNZ. 2023-03-05T00:46:08.92 0.6 undecidable manual S 192 26.0517 103 0.31 48
IV.GUAR.HHE. 2023-03-05T00:46:08.93 0.3 undecidable manual P 116 49.2174 50 -0.1 72
IT.RMVT.HGN. 2023-03-05T00:46:07.59 0.6 undecidable manual S 261 24.2535 104 -0.42 47
IV.RMP.HHZ. 2023-03-05T00:46:07.26 0.6 undecidable manual S 197 20.5683 106 0.48 47
IV.FIAM.HHZ. 2023-03-05T00:46:07.72 0.3 undecidable manual P 42 41.7249 98 -0.06 74
IV.LAV9.HNZ. 2023-03-05T00:46:07.31 1.0 undecidable manual P 191 35.2425 99 0.81 20
IV.SRES.HHZ. 2023-03-05T00:46:06.26 0.6 undecidable manual P 321 35.1426 99 -0.22 48
IT.RMMM.HGE. 2023-03-05T00:46:05.37 0.6 undecidable manual P 255 27.75 102 0.34 48
IV.VIVA.HHN. 2023-03-05T00:46:05.40 0.6 undecidable manual P 181 26.5512 102 0.6 44
IV.CERT.HHZ. 2023-03-05T00:46:05.20 0.6 undecidable manual S 105 17.4714 108 -0.56 46
IV.SAMA.EHZ. 2023-03-05T00:46:05.00 0.3 undecidable manual P 213 27.75 102 -0.03 76
IT.MMP1.HGE. 2023-03-05T00:46:05.44 0.3 undecidable manual P 355 28.8489 101 0.19 74
IT.RMVT.HGN. 2023-03-05T00:46:04.48 0.3 undecidable manual P 261 24.2535 104 0.13 75
IV.RDP.HNZ. 2023-03-05T00:46:04.39 0.3 undecidable manual P 192 26.0517 103 -0.3 72
IV.MA9.HHN. 2023-03-05T00:46:04.61 0.6 undecidable manual P 202 26.2515 103 -0.13 50
IV.RMP.HHZ. 2023-03-05T00:46:03.54 0.3 undecidable manual P 197 20.5683 106 -0.1 76
IV.CERT.HHZ. 2023-03-05T00:46:02.16 0.3 undecidable manual P 105 17.4714 108 -0.89 60
IV.MTCE.HHZ. 2023-03-05T00:46:01.86 0.3 undecidable manual S 322 4.5954 141 -0.08 79
IV.MTCE.HHZ. 2023-03-05T00:46:01.15 0.1 undecidable manual P 322 4.5954 141 0.31 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SRES.HHE. ML:1.5 0.000134 1.76 AML other m 2023-03-05T00:46:13.89
IV.SRES.HHN. ML:1.4 0.00011355000000000001 0.9 AML other m 2023-03-05T00:46:13.21
IV.FIAM.HHE. ML:1.5 0.00010095000000000001 1.12 AML other m 2023-03-05T00:46:19.08
IV.GIUL.HHE. ML:1.7 0.00008985 0.42 AML other m 2023-03-05T00:46:21.24
IV.FIAM.HHN. ML:1.4 0.00008845 1.26 AML other m 2023-03-05T00:46:21.68
IV.GIUL.HHN. ML:1.7 0.00009204999999999999 0.84 AML other m 2023-03-05T00:46:22.54
IV.ARRO.EHN. ML:1.5 0.00005645 1.18 AML other m 2023-03-05T00:46:25.60
IV.ARRO.EHE. ML:1.6 0.00006305 0.24 AML other m 2023-03-05T00:46:25.65
IV.RM33.EHE. ML:1.4 0.000043399584999999996 0.68 AML other m 2023-03-05T00:46:29.82
IV.MOMA.HHE. ML:1.7 0.00005471376 0.28 AML other m 2023-03-05T00:46:31.90
IV.NRCA.HHN. ML:1.4 0.000025799999999999997 0.68 AML other m 2023-03-05T00:46:35.69
IV.SMA1.EHE. ML:1.7 0.00005789999999999999 0.68 AML other m 2023-03-05T00:46:35.61
IV.SMA1.EHN. ML:1.6 0.0000459 1.42 AML other m 2023-03-05T00:46:35.93
IV.NRCA.HHE. ML:1.5 0.000033549999999999996 1.58 AML other m 2023-03-05T00:46:37.86
IV.CESI.HHE. ML:1.6 0.000033549999999999996 1.24 AML other m 2023-03-05T00:46:40.29
IV.CESI.HHN. ML:1.6 0.00003585 0.6 AML other m 2023-03-05T00:46:41.16
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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