Earthquake with magnitude of ML 1.9 on date 12-04-2022 and time 09:30:01 (UTC) in region 2 km SW Ciciliano (RM)

A magnitude ML 1.9 earthquake occured in region: 2 km SW Ciciliano (RM), on

  • 12-04-2022 09:30:01 (UTC)
  • 12-04-2022 11:30:01 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.9450, 12.9330 at 10 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Ciciliano RM 2 1336 1336
Cerreto Laziale RM 4 1118 2454
Pisoniano RM 5 770 3224
Sambuci RM 5 925 4149
Gerano RM 5 1263 5412
San Gregorio da Sassola RM 6 1619 7031
Casape RM 6 744 7775
Castel Madama RM 6 7399 15174
Saracinesco RM 7 185 15359
Poli RM 7 2418 17777
Rocca Canterano RM 8 196 17973
San Vito Romano RM 8 3273 21246
Vicovaro RM 9 4019 25265
Rocca Santo Stefano RM 9 975 26240
Canterano RM 9 351 26591
Anticoli Corrado RM 9 915 27506
Marano Equo RM 9 779 28285
Capranica Prenestina RM 9 351 28636
Agosta RM 9 1765 30401
Mandela RM 10 917 31318
Roviano RM 11 1351 32669
Bellegra RM 11 2887 35556
San Polo dei Cavalieri RM 11 2992 38548
Rocca di Cave RM 11 377 38925
Castel San Pietro Romano RM 11 902 39827
Tivoli RM 11 56533 96360
Roccagiovine RM 12 263 96623
Cineto Romano RM 12 601 97224
Cervara di Roma RM 12 455 97679
Palestrina RM 12 21672 119351
Gallicano nel Lazio RM 12 6334 125685
Olevano Romano RM 12 6687 132372
Arsoli RM 13 1586 133958
Genazzano RM 13 6036 139994
Roiate RM 13 737 140731
Marcellina RM 14 7280 148011
Subiaco RM 14 9074 157085
Cave RM 14 11287 168372
Riofreddo RM 14 781 169153
Zagarolo RM 14 17843 186996
Rocca di Botte AQ 15 856 187852
Oricola AQ 15 1244 189096
Licenza RM 15 1011 190107
Affile RM 15 1548 191655
Vallinfreda RM 16 283 191938
Arcinazzo Romano RM 17 1348 193286
Camerata Nuova RM 17 447 193733
Percile RM 17 255 193988
San Cesareo RM 18 15153 209141
Serrone FR 18 3099 212240
Labico RM 18 6379 218619
Guidonia Montecelio RM 18 88673 307292
Vivaro Romano RM 18 182 307474
Valmontone RM 19 15959 323433
Paliano FR 19 8281 331714
Pereto AQ 19 682 332396
Colonna RM 19 4287 336683
Palombara Sabina RM 19 13269 349952

Municipalities with at least 50000 inhabitants

An earthquake occurred to
11 Km E of Tivoli (56533 inhabitants)
18 Km E of Guidonia Montecelio (88673 inhabitants)
31 Km NE of Velletri (53303 inhabitants)
38 Km E of Roma (2864731 inhabitants)
46 Km NE of Aprilia (73446 inhabitants)
47 Km NE of Pomezia (62966 inhabitants)
53 Km N of Latina (125985 inhabitants)
59 Km SW of L'Aquila (69753 inhabitants)
61 Km E of Fiumicino (78395 inhabitants)
61 Km NE of Anzio (54211 inhabitants)
73 Km SE of Terni (111501 inhabitants)
86 Km SE of Viterbo (67173 inhabitants)
96 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 1.9 2022-04-12
09:30:01
41.9452 12.9333 10 2022-07-08
12:33:56
Bollettino Sismico Italiano INGV 104703091
Reviewed
Rev100
ML 1.9 2022-04-12
09:30:01
41.9417 12.9395 9 2022-04-12
09:41:09
Sala Sismica INGV-Roma 103113611
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-04-12 09:30:01 ± 0.04
Latitude 41.9452 ± 0.0027
Longitude 12.9333 ± 0.0036
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 104703091

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 272
Semi-minor axis of confidence ellipse (meter) 251
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 240
Circular confidence region, given by single value of horizontal uncertainty (meter) 270.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 67
Number of associated phases, regardless of their use for origin computation 39
Number of defining phases 39
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) 0.03597
Epicentral distance of station farthest from the epicenter (degree) 1.05940
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 22
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations 22
Type of magnitude ML
Reference to an origin 104703091
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-05-16 12:01:36

ML:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations 24
Type of magnitude ML
Reference to an origin 103113611
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-04-12 09:41:09
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARRO.EHE. 2022-04-12T09:30:23.83 0.6 undecidable manual S 349 71.6727 50 0.39 42
IV.RM33.EHZ. 2022-04-12T09:30:22.48 0.6 undecidable manual S 20 66.6777 50 0.38 43
IV.POFI.HHZ. 2022-04-12T09:30:22.67 0.6 undecidable manual S 111 69.1752 50 -0.09 45
IV.CESI.HHZ. 2022-04-12T09:30:21.50 0.1 undecidable manual P 359 117.5934 50 0.26 79
IV.VVLD.HHZ. 2022-04-12T09:30:19.73 0.3 undecidable manual S 98 57.5979 50 0.06 70
IV.MOMA.HHZ. 2022-04-12T09:30:18.47 0.1 undecidable manual P 343 99.8223 50 -0.04 86
IV.GIUL.HHN. 2022-04-12T09:30:18.17 0.6 undecidable manual S 148 50.5161 50 0.39 44
IV.LATB.EHN. 2022-04-12T09:30:18.03 0.6 undecidable manual S 177 50.1165 50 0.35 44
IV.NRCA.HHZ. 2022-04-12T09:30:18.14 0.1 undecidable manual P 8 99.6225 50 -0.34 81
IV.SRES.HHN. 2022-04-12T09:30:17.47 0.6 undecidable manual S 313 47.619 50 0.47 43
IV.PTQR.HHZ. 2022-04-12T09:30:15.08 0.3 undecidable manual S 77 39.4272 50 0.24 69
IV.GAVE.HNN. 2022-04-12T09:30:15.94 0.1 undecidable manual P 358 82.9503 50 0.04 89
IV.INTR.HHZ. 2022-04-12T09:30:15.55 0.6 undecidable manual P 84 80.4639 50 0.03 45
IV.FIAM.HHZ. 2022-04-12T09:30:14.34 0.6 undecidable manual S 23 38.8278 50 -0.34 45
IV.ARRO.EHE. 2022-04-12T09:30:14.22 0.3 undecidable manual P 349 71.6727 50 0.05 68
IT.MMP1.HGE. 2022-04-12T09:30:14.11 0.6 undecidable manual S 336 37.0296 50 -0.07 48
IV.RM33.EHZ. 2022-04-12T09:30:13.02 0.1 undecidable manual P 20 66.6777 50 -0.38 86
IV.POFI.HHZ. 2022-04-12T09:30:13.48 0.1 negative manual P 111 69.1752 50 -0.3 87
IV.GUAR.HHZ. 2022-04-12T09:30:13.60 0.6 undecidable manual S 118 35.4423 50 -0.17 47
IV.RDP.HHZ. 2022-04-12T09:30:11.77 0.6 undecidable manual S 222 27.5502 109 0.14 48
IV.VVLD.HHZ. 2022-04-12T09:30:11.65 0.1 undecidable manual P 98 57.5979 50 -0.34 88
IV.LATB.EHN. 2022-04-12T09:30:10.56 0.1 undecidable manual P 177 50.1165 50 -0.29 90
IV.RMP.HHN. 2022-04-12T09:30:10.15 0.6 undecidable manual S 232 23.9538 112 -0.31 47
IV.SRES.HHN. 2022-04-12T09:30:10.70 0.3 undecidable manual P 313 47.619 50 0.25 68
IV.GIUL.HHN. 2022-04-12T09:30:10.89 0.3 undecidable manual P 148 50.5161 50 -0.01 71
IV.FIAM.HHZ. 2022-04-12T09:30:09.00 0.3 undecidable manual P 23 38.8278 50 -0.11 71
IV.PTQR.HHZ. 2022-04-12T09:30:09.18 0.1 undecidable manual P 77 39.4272 50 -0.02 97
IT.CSO1.HGE. 2022-04-12T09:30:09.73 0.6 undecidable manual S 36 21.4674 114 0.07 50
IT.MMP1.HGE. 2022-04-12T09:30:08.70 0.3 undecidable manual P 336 37.0296 50 -0.13 71
IV.GUAR.HHZ. 2022-04-12T09:30:08.86 0.3 undecidable manual P 118 35.4423 50 0.27 70
IV.MTCE.HHZ. 2022-04-12T09:30:08.38 0.6 undecidable manual S 299 17.9709 118 -0.19 49
IV.RDP.HHZ. 2022-04-12T09:30:07.42 0.1 undecidable manual P 222 27.5502 109 0.07 98
IT.CSO1.HGE. 2022-04-12T09:30:06.39 0.3 undecidable manual P 36 21.4674 114 0.17 73
IV.RCAV.EHZ. 2022-04-12T09:30:06.48 0.3 undecidable manual S 175 10.878 131 -0.06 76
IV.RMP.HHN. 2022-04-12T09:30:06.66 0.1 undecidable manual P 232 23.9538 112 -0.02 100
IV.MTCE.HHZ. 2022-04-12T09:30:05.45 0.3 undecidable manual P 299 17.9709 118 -0.14 74
IV.CERT.HHZ. 2022-04-12T09:30:05.14 0.3 undecidable manual S 84 3.996 157 0.04 77
IV.RCAV.EHZ. 2022-04-12T09:30:04.60 0.1 undecidable manual P 175 10.878 131 0.19 98
IV.CERT.HHZ. 2022-04-12T09:30:03.75 0.1 negative manual P 84 3.996 157 0.17 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RCAV.EHE. ML:2.2 0.0018850000000000002 0.56 AML other m 2022-04-12T09:30:07.33
IV.RCAV.EHN. ML:2.3 0.0025949999999999997 0.82 AML other m 2022-04-12T09:30:08.28
IV.MTCE.HHN. ML:1.9 0.0006605 0.52 AML other m 2022-04-12T09:30:09.56
IV.MTCE.HHE. ML:2.0 0.000754 0.42 AML other m 2022-04-12T09:30:11.54
IV.PTQR.HHE. ML:1.8 0.000217 0.44 AML other m 2022-04-12T09:30:15.48
IV.GUAR.HHE. ML:2.0 0.000397 0.26 AML other m 2022-04-12T09:30:16.38
IV.FIAM.HHN. ML:1.7 0.00016999999999999999 0.36 AML other m 2022-04-12T09:30:16.91
IV.GUAR.HHN. ML:1.9 0.000323 0.74 AML other m 2022-04-12T09:30:17.90
IV.PTQR.HHN. ML:1.8 0.000224 0.44 AML other m 2022-04-12T09:30:18.64
IV.FIAM.HHE. ML:1.6 0.0001565 0.44 AML other m 2022-04-12T09:30:19.56
IV.VVLD.HHE. ML:1.8 0.0001235 1.52 AML other m 2022-04-12T09:30:26.15
IV.POFI.HHN. ML:1.5 0.00004995 0.42 AML other m 2022-04-12T09:30:26.41
IV.VVLD.HHN. ML:1.8 0.00014950000000000003 0.58 AML other m 2022-04-12T09:30:26.54
IV.RM33.EHN. ML:1.9 0.0001278 1.12 AML other m 2022-04-12T09:30:26.78
IV.RM33.EHE. ML:1.8 0.00011740000000000001 0.52 AML other m 2022-04-12T09:30:28.82
IV.POFI.HHE. ML:1.6 0.00005765 0.44 AML other m 2022-04-12T09:30:28.66
IV.MOMA.HHE. ML:2.0 0.00010035 0.26 AML other m 2022-04-12T09:30:33.65
IV.NRCA.HHE. ML:1.8 0.00007195 0.74 AML other m 2022-04-12T09:30:34.57
IV.MOMA.HHN. ML:2.0 0.00009140000000000001 0.26 AML other m 2022-04-12T09:30:36.44
IV.NRCA.HHN. ML:1.8 0.00006644999999999999 0.68 AML other m 2022-04-12T09:30:36.46
IV.CESI.HHE. ML:1.9 0.000052699999999999993 1.58 AML other m 2022-04-12T09:30:40.99
IV.CESI.HHN. ML:1.9 0.00006500000000000001 0.5 AML other m 2022-04-12T09:30:42.27
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