Earthquake with magnitude of ML 1.3 on date 28-09-2022 and time 06:09:45 (Italy) in region 9 km SW Tivoli (RM)

A magnitude ML 1.3 earthquake occured in region: 9 km SW Tivoli (RM), on

  • 28-09-2022 04:09:45 (UTC)
  • 28-09-2022 06:09:45 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.9230, 12.7120 at 11 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
Tivoli RM 9 56533 56533
Guidonia Montecelio RM 9 88673 145206
Colonna RM 10 4287 149493
Gallicano nel Lazio RM 11 6334 155827
Fonte Nuova RM 11 32562 188389
Monte Porzio Catone RM 12 8693 197082
Sant'Angelo Romano RM 13 5018 202100
Monte Compatri RM 13 11978 214078
Frascati RM 13 22087 236165
Zagarolo RM 13 17843 254008
San Cesareo RM 13 15153 269161
San Gregorio da Sassola RM 13 1619 270780
Mentana RM 14 22921 293701
Marcellina RM 14 7280 300981
Castel Madama RM 14 7399 308380
Casape RM 15 744 309124
San Polo dei Cavalieri RM 15 2992 312116
Rocca Priora RM 15 11962 324078
Grottaferrata RM 15 20327 344405
Poli RM 16 2418 346823
Ciampino RM 16 38412 385235
Monterotondo RM 16 40830 426065
Palombara Sabina RM 17 13269 439334
Palestrina RM 17 21672 461006
Castel San Pietro Romano RM 17 902 461908
Marino RM 18 43026 504934
Rocca di Papa RM 18 17034 521968
Vicovaro RM 18 4019 525987
Roma RM 19 2864731 3390718
Ciciliano RM 20 1336 3392054
Castel Gandolfo RM 20 8997 3401051

Municipalities with at least 50000 inhabitants

An earthquake occurred to
9 Km SW of Tivoli (56533 inhabitants)
9 Km S of Guidonia Montecelio (88673 inhabitants)
19 Km E of Roma (2864731 inhabitants)
27 Km N of Velletri (53303 inhabitants)
33 Km NE of Pomezia (62966 inhabitants)
37 Km N of Aprilia (73446 inhabitants)
43 Km E of Fiumicino (78395 inhabitants)
53 Km NW of Latina (125985 inhabitants)
53 Km N of Anzio (54211 inhabitants)
71 Km S of Terni (111501 inhabitants)
74 Km SW of L'Aquila (69753 inhabitants)
74 Km SE of Viterbo (67173 inhabitants)
78 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 1.3 2022-09-28
04:09:45
41.9228 12.7117 11 2024-03-01
15:28:22
Bollettino Sismico Italiano INGV 116515771
Reviewed
Rev100
ML 1.2 2022-09-28
04:09:45
41.9167 12.7075 11 2022-09-28
04:14:31
Sala Sismica INGV-Roma 110241981
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-09-28 04:09:45 ± 0.07
Latitude 41.9228 ± 0.0036
Longitude 12.7117 ± 0.0073
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 116515771

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 565
Semi-minor axis of confidence ellipse (meter) 411
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 257
Circular confidence region, given by single value of horizontal uncertainty (meter) 570.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 73
Number of associated phases, regardless of their use for origin computation 38
Number of defining phases 23
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) 0.69428
Number of stations at which the event was observed 26
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 116515771
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-04-19 11:08:30

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 110241981
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-09-28 04:14:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CRND.HNZ. 2022-09-28T04:11:09.24 3.0 undecidable manual Sg 6.86 0
IV.MCRV.HHZ. 2022-09-28T04:11:08.40 3.0 undecidable manual Sg 10.54 0
IV.CDRU.HNZ. 2022-09-28T04:11:03.81 3.0 undecidable manual Sn -0.69 0
IX.COL3.HHZ.02 2022-09-28T04:10:59.24 3.0 undecidable manual Sn -2.41 0
IV.MSSA.HHZ. 2022-09-28T04:10:50.03 3.0 undecidable manual Sg 4.32 0
IV.ECTS.HHZ. 2022-09-28T04:10:49.50 3.0 undecidable manual Pn -2.47 0
IV.PTRJ.HHZ. 2022-09-28T04:10:42.30 3.0 undecidable manual Sg 2.52 0
SL.LJU.BHZ. 2022-09-28T04:10:39.47 3.0 positive manual Pg 8.19 0
GU.TRAV.HHZ. 2022-09-28T04:10:35.26 3.0 undecidable manual Pn -1.69 0
IV.BSSO.HHZ. 2022-09-28T04:10:34.32 3.0 undecidable manual Sn -3.98 0
GU.GSCL.HHZ. 2022-09-28T04:10:28.85 3.0 undecidable manual Sn -5 0
IV.CDRU.HNZ. 2022-09-28T04:10:28.69 3.0 undecidable manual Pg 4.99 0
IV.MCRV.HHZ. 2022-09-28T04:10:25.78 3.0 undecidable manual Pg 5.81 0
IV.GIUL.HHZ. 2022-09-28T04:10:04.72 0.6 undecidable manual S 132 60.495 50 0.51 56
IV.FIAM.HNN. 2022-09-28T04:10:01.75 0.6 undecidable manual S 41 50.8158 50 0.12 62
IV.RM33.HNE. 2022-09-28T04:09:59.15 0.3 undecidable manual P 32 77.0673 50 0.27 85
IT.CSO1.HGZ. 2022-09-28T04:09:58.16 0.6 undecidable manual S 57 36.741 50 0.27 61
IV.NRCA.HHZ. 2022-09-28T04:09:58.44 3.0 undecidable manual Sn -2.76 0
IV.SRES.HHN. 2022-09-28T04:09:58.11 0.6 undecidable manual S 335 38.628 50 -0.27 61
IV.TOLF.HHN. 2022-09-28T04:09:56.78 0.6 undecidable manual P 285 60.6948 50 0.41 57
IV.GIUL.HHZ. 2022-09-28T04:09:56.10 0.6 undecidable manual P 132 60.495 50 -0.23 59
IV.PTQR.HHZ. 2022-09-28T04:09:55.48 0.3 undecidable manual P 79 57.8976 50 -0.45 85
IV.CERT.HHZ. 2022-09-28T04:09:54.43 0.6 undecidable manual S 82 22.4553 50 0.35 62
IV.FIAM.HNN. 2022-09-28T04:09:54.50 0.3 undecidable manual P 41 50.8158 50 -0.34 88
IV.RDP.HHZ. 2022-09-28T04:09:53.02 0.6 undecidable manual S 180 18.0708 121 0.17 65
IV.SRES.HHN. 2022-09-28T04:09:53.17 0.3 undecidable manual P 335 38.628 50 0.21 93
IV.RCAV.EHZ. 2022-09-28T04:09:53.59 0.6 undecidable manual S 113 21.0678 50 -0.1 65
IT.CSO1.HGZ. 2022-09-28T04:09:52.48 0.3 undecidable manual P 57 36.741 50 -0.2 93
IV.SAMA.EHZ. 2022-09-28T04:09:52.72 0.6 undecidable manual S 212 18.6702 120 -0.3 63
IV.FRON.EHZ. 2022-09-28T04:09:51.84 3.0 undecidable manual Pg 0.14 0
IV.MTCE.HHZ. 2022-09-28T04:09:51.03 0.6 undecidable manual S 13 11.3775 134 0.04 67
IV.RMP.HHZ. 2022-09-28T04:09:51.19 0.6 undecidable manual S 183 12.2766 131 -0.05 67
IV.RCAV.EHZ. 2022-09-28T04:09:50.00 0.3 undecidable manual P 113 21.0678 50 -0.25 95
IV.CERT.HHZ. 2022-09-28T04:09:50.34 0.3 undecidable manual P 82 22.4553 50 -0.13 97
IV.SAMA.EHZ. 2022-09-28T04:09:49.74 0.3 undecidable manual P 212 18.6702 120 -0.13 98
IV.RDP.HHZ. 2022-09-28T04:09:49.96 0.6 undecidable manual P 180 18.0708 121 0.19 64
IV.RMP.HHZ. 2022-09-28T04:09:49.05 0.3 undecidable manual P 183 12.2766 131 0.21 97
IV.MTCE.HHZ. 2022-09-28T04:09:48.77 0.3 undecidable manual P 13 11.3775 134 0.07 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTCE.HHE. ML:1.4 0.0002505 0.54 AML other m 2022-09-28T04:09:51.38
IV.MTCE.HHN. ML:1.1 0.00013350000000000002 0.42 AML other m 2022-09-28T04:09:51.99
IV.RCAV.EHN. ML:1.4 0.000188 1.52 AML other m 2022-09-28T04:09:53.22
IV.RCAV.EHE. ML:1.3 0.00014395 0.48 AML other m 2022-09-28T04:09:54.60
IV.CERT.HHN. ML:1.2 0.00009425 1.12 AML other m 2022-09-28T04:09:55.16
IV.CERT.HHE. ML:1.0 0.00005935 1.26 AML other m 2022-09-28T04:09:56.66
IV.RMP.HHN. ML:1.9 0.00080180725 0.24 AML other m 2022-09-28T04:09:52.92
IV.RMP.HHE. ML:1.8 0.00060799515 0.2592 AML other m 2022-09-28T04:09:52.18
IV.SAMA.EHE. ML:1.2 0.000116821165 0.4384 AML other m 2022-09-28T04:09:53.07
IV.SAMA.EHN. ML:1.0 0.00008560358 0.1408 AML other m 2022-09-28T04:09:53.78
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