Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 08-07-2019 and time 20:49:28 (Italy) in region 4 km W Gallicano nel Lazio (RM)

A magnitude ML 1.9 earthquake occured in region: 4 km W Gallicano nel Lazio (RM), on

  • 08-07-2019 18:49:28 (UTC)
  • 08-07-2019 20:49:28 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.8670, 12.7800 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.

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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
Gallicano nel Lazio RM 4 6334 6334
Colonna RM 4 4287 10621
Zagarolo RM 5 17843 28464
San Cesareo RM 5 15153 43617
Monte Compatri RM 7 11978 55595
Monte Porzio Catone RM 8 8693 64288
Rocca Priora RM 8 11962 76250
Palestrina RM 10 21672 97922
San Gregorio da Sassola RM 10 1619 99541
Poli RM 10 2418 101959
Casape RM 10 744 102703
Castel San Pietro Romano RM 10 902 103605
Frascati RM 11 22087 125692
Tivoli RM 11 56533 182225
Labico RM 13 6379 188604
Grottaferrata RM 13 20327 208931
Rocca di Papa RM 13 17034 225965
Cave RM 14 11287 237252
Rocca di Cave RM 14 377 237629
Castel Madama RM 14 7399 245028
Capranica Prenestina RM 14 351 245379
Marino RM 15 43026 288405
Valmontone RM 15 15959 304364
Guidonia Montecelio RM 16 88673 393037
Pisoniano RM 16 770 393807
Lariano RM 16 13432 407239
Ciampino RM 16 38412 445651
Genazzano RM 17 6036 451687
San Vito Romano RM 17 3273 454960
Castel Gandolfo RM 17 8997 463957
San Polo dei Cavalieri RM 17 2992 466949
Nemi RM 17 1943 468892
Ciciliano RM 17 1336 470228
Marcellina RM 18 7280 477508
Albano Laziale RM 18 41715 519223
Artena RM 18 14276 533499
Ariccia RM 19 19407 552906
Sambuci RM 19 925 553831
Cerreto Laziale RM 19 1118 554949
Vicovaro RM 19 4019 558968
Genzano di Roma RM 19 23970 582938
Gerano RM 19 1263 584201
Sant'Angelo Romano RM 19 5018 589219
Fonte Nuova RM 20 32562 621781
Velletri RM 20 53303 675084

Municipalities with at least 50000 inhabitants

An earthquake occurred to
11 Km S of Tivoli (56533 inhabitants)
16 Km S of Guidonia Montecelio (88673 inhabitants)
20 Km N of Velletri (53303 inhabitants)
25 Km E of Roma (2864731 inhabitants)
32 Km NE of Pomezia (62966 inhabitants)
32 Km NE of Aprilia (73446 inhabitants)
46 Km N of Latina (125985 inhabitants)
46 Km E of Fiumicino (78395 inhabitants)
48 Km N of Anzio (54211 inhabitants)
74 Km SW of L'Aquila (69753 inhabitants)
78 Km S of Terni (111501 inhabitants)
83 Km SE of Viterbo (67173 inhabitants)
85 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 2019-07-08
18:49:28		 41.8673 12.7797 10 2019-11-13
14:30:54		 Bollettino Sismico Italiano INGV 70432181
Reviewed
Rev100 		ML 1.9 2019-07-08
18:49:28		 41.8655 12.7748 11 2019-07-08
19:02:43		 Sala Sismica INGV-Roma 70380441
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-07-08 18:49:28 ± 0.04
Latitude 41.8673 ± 0.0027
Longitude 12.7797 ± 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 70432181

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 260
Semi-minor axis of confidence ellipse (meter) 219
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 308
Circular confidence region, given by single value of horizontal uncertainty (meter) 260.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 45
Number of associated phases, regardless of their use for origin computation 66
Number of defining phases 47
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) 0.71766
Number of stations at which the event was observed 42
Number of stations from which data was used for origin computation 24
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.4
Num. used stations 17
Type of magnitude ML
Reference to an origin 70380441
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-07-08 19:02:43

ML:1.9

Field Value
Value 1.9
Uncertainty 0.4
Num. used stations 15
Type of magnitude ML
Reference to an origin 70432181
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-07-10 10:35:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TDS.HHZ. 2019-07-08T18:51:04.39 3.0 undecidable manual Sn -3.4 0
IV.ACER.HHZ. 2019-07-08T18:50:52.09 3.0 undecidable manual Sg 5.95 0
IV.AGST.EHZ. 2019-07-08T18:50:41.25 3.0 undecidable manual Pn -4.11 0
IV.CMPR.HHZ. 2019-07-08T18:50:41.07 3.0 undecidable manual Sn -1.51 0
GE.MATE.HHZ. 2019-07-08T18:50:30.48 3.0 undecidable manual Pg 10.1 0
IV.SBPO.HNZ. 2019-07-08T18:50:25.76 3.0 positive manual Pn 1.86 0
IV.CGL.BHZ. 2019-07-08T18:50:23.50 3.0 undecidable manual Pn -3.99 0
IV.PAOL.HHZ. 2019-07-08T18:50:22.64 3.0 undecidable manual Sg 1.56 0
IV.IMOL.HNZ. 2019-07-08T18:50:14.36 3.0 positive manual Pg 2.25 0
IT.ORP.HGZ. 2019-07-08T18:50:07.49 3.0 undecidable manual Pg 4.25 0
IV.MOMA.HHZ. 2019-07-08T18:50:01.89 3.0 undecidable manual S -1.39 0
IV.VITU.HHZ. 2019-07-08T18:49:58.38 3.0 positive manual P 0.61 0
IV.EL6.EHZ. 2019-07-08T18:49:55.77 3.0 undecidable manual P -0.67 0
IV.ARRO.EHZ. 2019-07-08T18:49:53.63 3.0 undecidable manual S -1.64 0
IV.POFI.HNE. 2019-07-08T18:49:52.26 0.6 undecidable manual S 102 78.8655 50 0.47 40
IV.SGG.HHZ. 2019-07-08T18:49:51.19 3.0 undecidable manual P -3.01 0
IV.BARO.HNZ. 2019-07-08T18:49:50.54 1.0 undecidable manual S 305 73.371 50 0.22 21
IV.LRP.EHN. 2019-07-08T18:49:50.02 0.6 undecidable manual S 110 71.0733 50 0.31 42
IV.VVLD.HHZ. 2019-07-08T18:49:48.99 0.6 undecidable manual S 90 69.6747 50 -0.34 42
IV.NRCA.HHZ. 2019-07-08T18:49:47.04 3.0 negative manual P -1.89 0
IV.CERA.HHZ. 2019-07-08T18:49:45.85 3.0 positive manual P -2.92 0
IV.PTQR.HHZ. 2019-07-08T18:49:45.41 0.3 undecidable manual S 71 54.0015 50 0.25 66
IV.GIUL.HHZ. 2019-07-08T18:49:45.10 0.3 undecidable manual S 131 52.2033 50 0.44 64
IV.FIAM.HHZ. 2019-07-08T18:49:44.85 0.3 undecidable manual S 32 52.4031 50 0.12 68
IV.GAVE.EHZ. 2019-07-08T18:49:44.30 3.0 positive manual P -1.6 0
IV.SRES.HHN. 2019-07-08T18:49:43.22 0.3 undecidable manual S 332 46.62 50 0.04 70
IT.MMP1.HGE. 2019-07-08T18:49:42.01 0.3 undecidable manual S 357 42.4242 50 -0.05 70
IV.LATB.EHZ. 2019-07-08T18:49:42.30 0.3 undecidable manual S 160 44.1225 50 -0.22 68
IV.GUAR.HNN. 2019-07-08T18:49:42.51 0.3 undecidable manual S 100 44.7219 50 -0.18 68
IV.ARRO.EHZ. 2019-07-08T18:49:42.29 3.0 undecidable manual P -1.52 0
IV.POFI.HNE. 2019-07-08T18:49:41.53 0.1 negative manual P 102 78.8655 50 -0.21 85
IV.BARO.HNZ. 2019-07-08T18:49:41.12 0.6 undecidable manual P 305 73.371 50 0.22 43
IV.RM33.HNE. 2019-07-08T18:49:41.73 0.3 undecidable manual P 27 79.6647 50 -0.13 65
IT.CSO1.HGZ. 2019-07-08T18:49:40.49 0.3 undecidable manual S 44 36.3414 50 0.07 71
IV.VVLD.HHZ. 2019-07-08T18:49:40.07 0.1 undecidable manual P 90 69.6747 50 -0.25 86
IV.LRP.EHN. 2019-07-08T18:49:40.21 0.1 undecidable manual P 110 71.0733 50 -0.33 84
IT.RMVT.HGN. 2019-07-08T18:49:38.18 0.6 undecidable manual S 292 26.1516 50 0.46 44
IT.RMMM.HGE. 2019-07-08T18:49:38.55 0.6 undecidable manual S 283 27.75 50 0.41 45
IV.PTQR.HHZ. 2019-07-08T18:49:37.92 0.1 undecidable manual P 71 54.0015 50 0.01 93
IV.GIUL.HHZ. 2019-07-08T18:49:37.44 0.1 undecidable manual P 131 52.2033 50 -0.19 90
IV.FIAM.HHZ. 2019-07-08T18:49:37.61 0.1 undecidable manual P 32 52.4031 50 -0.05 92
IV.SRES.HHN. 2019-07-08T18:49:36.66 0.1 undecidable manual P 332 46.62 50 -0.12 92
IV.LAV9.HNZ. 2019-07-08T18:49:36.85 0.3 undecidable manual S 198 22.0668 114 0.44 67
IT.MMP1.HGE. 2019-07-08T18:49:36.03 0.1 undecidable manual P 357 42.4242 50 -0.09 93
IV.GUAR.HNN. 2019-07-08T18:49:36.37 0.1 undecidable manual P 100 44.7219 50 -0.12 92
IT.CSO1.HGZ. 2019-07-08T18:49:35.14 0.1 undecidable manual P 44 36.3414 50 -0.04 95
IV.LATB.EHZ. 2019-07-08T18:49:35.97 0.1 negative manual P 160 44.1225 50 -0.42 87
IV.CERT.HHZ. 2019-07-08T18:49:35.36 0.3 undecidable manual S 61 18.9699 118 -0.08 73
IV.SAMA.HHZ. 2019-07-08T18:49:34.93 0.3 undecidable manual S 238 18.2706 118 -0.29 70
IV.RCAV.EHZ. 2019-07-08T18:49:34.00 0.3 undecidable manual S 99 13.875 126 0.08 74
IT.RMMM.HGE. 2019-07-08T18:49:34.08 0.6 undecidable manual P 283 27.75 50 0.22 47
IV.MTCE.HHZ. 2019-07-08T18:49:34.89 0.3 undecidable manual S 350 17.4714 119 -0.1 73
IV.MA9.HHN. 2019-07-08T18:49:33.80 0.6 undecidable manual S 223 14.7741 124 -0.37 46
IT.RMVT.HGN. 2019-07-08T18:49:33.77 0.3 undecidable manual P 292 26.1516 50 0.15 71
IV.VIVA.HHN. 2019-07-08T18:49:33.99 0.3 undecidable manual S 183 12.9759 127 0.3 70
IV.RDP.HHZ. 2019-07-08T18:49:33.89 0.3 undecidable manual S 206 13.1757 127 0.16 73
IV.CERT.HHZ. 2019-07-08T18:49:32.47 0.1 negative manual P 61 18.9699 118 0.17 96
IV.RMP.HHZ. 2019-07-08T18:49:32.24 0.3 undecidable manual S 226 8.9799 138 -0.4 69
IV.LAV9.HNZ. 2019-07-08T18:49:32.94 0.1 undecidable manual P 198 22.0668 114 0.08 97
IV.MTCE.HHZ. 2019-07-08T18:49:32.11 0.1 negative manual P 350 17.4714 119 0.06 98
IV.MA9.HHN. 2019-07-08T18:49:31.30 0.6 undecidable manual P 223 14.7741 124 -0.27 47
IV.VIVA.HHN. 2019-07-08T18:49:31.53 0.1 undecidable manual P 183 12.9759 127 0.24 95
IV.RDP.HHZ. 2019-07-08T18:49:31.48 0.1 undecidable manual P 206 13.1757 127 0.16 97
IV.SAMA.HHZ. 2019-07-08T18:49:31.84 0.1 undecidable manual P 238 18.2706 118 -0.33 93
IV.RCAV.EHZ. 2019-07-08T18:49:31.71 0.1 negative manual P 99 13.875 126 0.28 94
IV.RMP.HHZ. 2019-07-08T18:49:30.72 0.1 positive manual P 226 8.9799 138 0.03 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RMP.HHE. ML:2.8 0.009883454 0.1792 AML other m 2019-07-08T18:49:32.48
IV.RMP.HHN. ML:2.8 0.0081792315 0.1408 AML other m 2019-07-08T18:49:32.99
IV.RCAV.EHE. ML:1.9 0.0008135010999999999 0.32 AML other m 2019-07-08T18:49:34.39
IV.RDP.HHN. ML:2.6 0.004508591 0.3968 AML other m 2019-07-08T18:49:34.24
IV.RDP.HHE. ML:2.6 0.004293005 0.3584 AML other m 2019-07-08T18:49:34.88
IV.MTCE.HHN. ML:1.9 0.0006523631 0.512 AML other m 2019-07-08T18:49:35.34
IV.MTCE.HHE. ML:2.0 0.000887 0.3 AML other m 2019-07-08T18:49:35.46
IV.LATB.EHE. ML:1.4 0.0000818 0.4 AML other m 2019-07-08T18:49:44.30
IV.LATB.EHN. ML:1.3 0.000054900000000000006 0.82 AML other m 2019-07-08T18:49:44.57
IV.PTQR.HHN. ML:1.8 0.00016649999999999998 0.26 AML other m 2019-07-08T18:49:46.01
IV.FIAM.HHN. ML:1.6 0.00009154999999999999 0.44 AML other m 2019-07-08T18:49:46.10
IV.PTQR.HHE. ML:1.8 0.00014850000000000003 0.4 AML other m 2019-07-08T18:49:46.05
IV.VVLD.HHE. ML:1.8 0.0001024 1.38 AML other m 2019-07-08T18:49:49.27
IV.VVLD.HHN. ML:1.8 0.0001035 1.18 AML other m 2019-07-08T18:49:51.96
IV.FIAM.HHE. ML:1.5 0.0000804 0.52 AML other m 2019-07-08T18:49:52.41
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