Earthquake with magnitude of ML 1.6 on date 01-05-2022 and time 11:01:47 (Italy) in region 4 km NE Colonna (RM)

A magnitude ML 1.6 earthquake occured in region: 4 km NE Colonna (RM), on

  • 01-05-2022 09:01:47 (UTC)
  • 01-05-2022 11:01:47 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.8700, 12.7680 at 9 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
Colonna RM 4 4287 4287
Gallicano nel Lazio RM 5 6334 10621
San Cesareo RM 6 15153 25774
Zagarolo RM 6 17843 43617
Monte Compatri RM 7 11978 55595
Monte Porzio Catone RM 7 8693 64288
Rocca Priora RM 8 11962 76250
Frascati RM 10 22087 98337
San Gregorio da Sassola RM 10 1619 99956
Palestrina RM 11 21672 121628
Casape RM 11 744 122372
Poli RM 11 2418 124790
Castel San Pietro Romano RM 11 902 125692
Tivoli RM 11 56533 182225
Grottaferrata RM 12 20327 202552
Rocca di Papa RM 13 17034 219586
Labico RM 14 6379 225965
Marino RM 14 43026 268991
Castel Madama RM 15 7399 276390
Cave RM 15 11287 287677
Guidonia Montecelio RM 15 88673 376350
Rocca di Cave RM 15 377 376727
Capranica Prenestina RM 15 351 377078
Ciampino RM 16 38412 415490
Valmontone RM 16 15959 431449
Pisoniano RM 16 770 432219
Lariano RM 17 13432 445651
Castel Gandolfo RM 17 8997 454648
San Polo dei Cavalieri RM 17 2992 457640
Nemi RM 17 1943 459583
Marcellina RM 17 7280 466863
Genazzano RM 18 6036 472899
Ciciliano RM 18 1336 474235
San Vito Romano RM 18 3273 477508
Albano Laziale RM 18 41715 519223
Ariccia RM 18 19407 538630
Fonte Nuova RM 19 32562 571192
Sant'Angelo Romano RM 19 5018 576210
Artena RM 19 14276 590486
Genzano di Roma RM 19 23970 614456
Vicovaro RM 19 4019 618475
Sambuci RM 19 925 619400
Cerreto Laziale RM 20 1118 620518

Municipalities with at least 50000 inhabitants

An earthquake occurred to
11 Km S of Tivoli (56533 inhabitants)
15 Km S of Guidonia Montecelio (88673 inhabitants)
20 Km N of Velletri (53303 inhabitants)
24 Km E of Roma (2864731 inhabitants)
31 Km NE of Pomezia (62966 inhabitants)
32 Km NE of Aprilia (73446 inhabitants)
45 Km E of Fiumicino (78395 inhabitants)
46 Km N of Latina (125985 inhabitants)
48 Km N of Anzio (54211 inhabitants)
75 Km SW of L'Aquila (69753 inhabitants)
78 Km S of Terni (111501 inhabitants)
82 Km SE of Viterbo (67173 inhabitants)
84 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 1.6 2022-05-01
09:01:47
41.8703 12.7685 9 2023-01-31
19:03:28
Bollettino Sismico Italiano INGV 107972851
Reviewed
Rev100
ML 1.3 2022-05-01
09:01:47
41.8662 12.7708 9 2022-05-01
09:10:12
Sala Sismica INGV-Roma 104020171
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-05-01 09:01:47 ± 0.08
Latitude 41.8703 ± 0.0045
Longitude 12.7685 ± 0.0085
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 107972851

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 598
Semi-minor axis of confidence ellipse (meter) 492
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 267
Circular confidence region, given by single value of horizontal uncertainty (meter) 600.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 53
Number of associated phases, regardless of their use for origin computation 38
Number of defining phases 28
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.71946
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.4
Num. used stations 10
Type of magnitude ML
Reference to an origin 107972851
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-08-01 14:03:32

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 104020171
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-05-01 09:10:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.RORO.HHZ. 2022-05-01T09:03:35.81 3.0 undecidable manual Sn -1.61 0
IV.ECTS.HHZ. 2022-05-01T09:03:02.97 3.0 positive manual Pg 11.42 0
IV.SLCN.HHZ. 2022-05-01T09:02:58.71 3.0 undecidable manual Sn -0.67 0
IV.SPS2.HHZ. 2022-05-01T09:02:57.74 3.0 positive manual Pg 14.88 0
TV.GMB1.HHZ. 2022-05-01T09:02:52.64 3.0 undecidable manual Pn 1.14 0
IV.RIBO.EHZ.01 2022-05-01T09:02:38.08 3.0 undecidable manual Sn 0.4 0
IV.IMOL.HNZ. 2022-05-01T09:02:31.62 3.0 positive manual Pn 3.77 0
IV.ZCCA.HHZ. 2022-05-01T09:02:31.31 3.0 undecidable manual Pn 0.58 0
IV.NARO.HHZ. 2022-05-01T09:02:15.20 3.0 undecidable manual Pn -0.87 0
IV.LRP.EHZ. 2022-05-01T09:02:09.94 0.6 undecidable manual S 110 72.0723 50 0.77 36
IV.NRCA.HHZ. 2022-05-01T09:02:05.29 3.0 positive manual P -0.37 0
IV.GIUL.HHZ. 2022-05-01T09:02:04.85 0.6 undecidable manual S 131 53.1024 50 0.75 38
IV.LATB.EHZ. 2022-05-01T09:02:01.76 0.6 undecidable manual S 159 44.7219 50 -0.11 46
IV.GUAR.HNE. 2022-05-01T09:02:01.60 0.6 undecidable manual S 100 45.7209 50 -0.53 42
IT.MMP1.HGE. 2022-05-01T09:02:01.37 0.6 undecidable manual S 358 42.0246 50 0.21 46
IV.RM33.HNE. 2022-05-01T09:02:01.66 0.6 undecidable manual P 27 79.7646 50 0.68 37
IV.POFI.HNE. 2022-05-01T09:02:00.48 0.3 undecidable manual P 102 79.8645 50 -0.52 60
IV.LRP.EHZ. 2022-05-01T09:01:59.98 0.3 undecidable manual P 110 72.0723 50 0.18 65
IV.TOLF.HHN. 2022-05-01T09:01:59.33 0.3 undecidable manual P 289 66.8775 50 0.32 64
IV.VVLD.HHZ. 2022-05-01T09:01:59.14 0.3 undecidable manual P 90 70.5738 50 -0.43 62
IV.GIUL.HHZ. 2022-05-01T09:01:56.71 0.3 undecidable manual P 131 53.1024 50 -0.16 68
IV.FIAM.HNN. 2022-05-01T09:01:56.34 0.3 undecidable manual P 33 52.6029 50 -0.46 64
IV.GUAR.HNE. 2022-05-01T09:01:56.02 0.6 undecidable manual P 100 45.7209 50 0.28 45
IT.MMP1.HGE. 2022-05-01T09:01:55.54 0.3 undecidable manual P 358 42.0246 50 0.37 66
IV.SRES.HHN. 2022-05-01T09:01:55.68 0.6 undecidable manual P 332 45.9207 50 -0.09 47
IV.LATB.EHZ. 2022-05-01T09:01:55.02 0.1 undecidable manual P 159 44.7219 50 -0.57 83
IV.CERT.HHZ. 2022-05-01T09:01:54.49 0.6 undecidable manual S 64 19.6692 114 0 50
IV.VIVA.HHN. 2022-05-01T09:01:53.43 0.6 undecidable manual S 179 13.2756 124 0.86 39
IV.SAMA.EHZ. 2022-05-01T09:01:53.58 0.6 undecidable manual S 236 17.6712 117 -0.29 47
IV.MTCE.HHZ. 2022-05-01T09:01:53.52 0.6 undecidable manual S 353 17.0718 118 -0.17 48
IV.RDP.HHZ. 2022-05-01T09:01:52.31 0.6 undecidable manual S 202 13.0758 124 -0.2 48
IV.RMP.HHZ. 2022-05-01T09:01:51.03 0.6 undecidable manual S 219 8.3805 137 -0.22 48
IV.CERT.HHZ. 2022-05-01T09:01:51.35 0.3 undecidable manual P 64 19.6692 114 0.02 74
IV.RDP.HHZ. 2022-05-01T09:01:50.47 0.3 undecidable manual P 202 13.0758 124 0.29 71
IV.SAMA.EHZ. 2022-05-01T09:01:50.84 0.3 undecidable manual P 236 17.6712 117 -0.12 73
IV.MTCE.HHZ. 2022-05-01T09:01:50.85 0.3 undecidable manual P 353 17.0718 118 -0.01 75
IV.VIVA.HHN. 2022-05-01T09:01:50.32 0.6 undecidable manual P 179 13.2756 124 0.11 49
IV.RMP.HHZ. 2022-05-01T09:01:49.51 0.1 undecidable manual P 219 8.3805 137 0.06 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RMP.HHN. ML:2.4 0.004 0.36 AML other m 2022-05-01T09:01:51.46
IV.RMP.HHE. ML:2.4 0.003565 0.92 AML other m 2022-05-01T09:01:52.16
IV.MTCE.HHN. ML:1.6 0.0003375 0.36 AML other m 2022-05-01T09:01:54.02
IV.RDP.HHN. ML:2.3 0.0023650000000000003 0.36 AML other m 2022-05-01T09:01:54.04
IV.MTCE.HHE. ML:1.5 0.000262 0.46 AML other m 2022-05-01T09:01:54.17
IV.CERT.HHN. ML:1.3 0.0001625 0.66 AML other m 2022-05-01T09:01:55.01
IV.CERT.HHE. ML:1.1 0.0000922 1.24 AML other m 2022-05-01T09:01:55.71
IV.RDP.HHE. ML:1.9 0.000898 0.4 AML other m 2022-05-01T09:01:56.27
IV.GIUL.HHN. ML:1.2 0.00003725 1.44 AML other m 2022-05-01T09:02:05.21
IV.GIUL.HHE. ML:1.2 0.00003945 0.44 AML other m 2022-05-01T09:02:06.26
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