Earthquake with magnitude of ML 1.5 on date 09-07-2019 and time 01:11:24 (Italy) in region 4 km NE Colonna (RM)

A magnitude ML 1.5 earthquake occured in region: 4 km NE Colonna (RM), on

  • 08-07-2019 23:11:24 (UTC)
  • 09-07-2019 01:11:24 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.8630, 12.7740 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
Colonna RM 4 4287 4287
Gallicano nel Lazio RM 4 6334 10621
San Cesareo RM 5 15153 25774
Zagarolo RM 5 17843 43617
Monte Compatri RM 7 11978 55595
Monte Porzio Catone RM 7 8693 64288
Rocca Priora RM 8 11962 76250
Palestrina RM 10 21672 97922
Frascati RM 10 22087 120009
Castel San Pietro Romano RM 10 902 120911
San Gregorio da Sassola RM 10 1619 122530
Poli RM 10 2418 124948
Casape RM 11 744 125692
Tivoli RM 12 56533 182225
Grottaferrata RM 12 20327 202552
Rocca di Papa RM 12 17034 219586
Labico RM 13 6379 225965
Marino RM 14 43026 268991
Cave RM 14 11287 280278
Rocca di Cave RM 14 377 280655
Capranica Prenestina RM 15 351 281006
Castel Madama RM 15 7399 288405
Valmontone RM 15 15959 304364
Ciampino RM 16 38412 342776
Lariano RM 16 13432 356208
Guidonia Montecelio RM 16 88673 444881
Pisoniano RM 16 770 445651
Castel Gandolfo RM 16 8997 454648
Nemi RM 17 1943 456591
Genazzano RM 17 6036 462627
Albano Laziale RM 18 41715 504342
San Vito Romano RM 18 3273 507615
San Polo dei Cavalieri RM 18 2992 510607
Ciciliano RM 18 1336 511943
Ariccia RM 18 19407 531350
Artena RM 18 14276 545626
Marcellina RM 18 7280 552906
Genzano di Roma RM 19 23970 576876
Sambuci RM 19 925 577801
Velletri RM 20 53303 631104
Cerreto Laziale RM 20 1118 632222
Vicovaro RM 20 4019 636241
Fonte Nuova RM 20 32562 668803
Sant'Angelo Romano RM 20 5018 673821
Gerano RM 20 1263 675084

Municipalities with at least 50000 inhabitants

An earthquake occurred to
12 Km S of Tivoli (56533 inhabitants)
16 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 N of Latina (125985 inhabitants)
46 Km E of Fiumicino (78395 inhabitants)
48 Km N of Anzio (54211 inhabitants)
75 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 1.5 2019-07-08
23:11:24
41.8627 12.7742 10 2019-11-13
14:30:54
Bollettino Sismico Italiano INGV 70434011
Reviewed
Rev100
ML 1.8 2019-07-08
23:11:24
41.8663 12.7748 10 2019-07-08
23:19:21
Sala Sismica INGV-Roma 70386461
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-07-08 23:11:24 ± 0.04
Latitude 41.8627 ± 0.0027
Longitude 12.7742 ± 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 70434011

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 337
Semi-minor axis of confidence ellipse (meter) 248
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 292
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) 51
Number of associated phases, regardless of their use for origin computation 36
Number of defining phases 36
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.07464
Epicentral distance of station farthest from the epicenter (degree) 0.66010
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 18
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.5
Num. used stations 14
Type of magnitude ML
Reference to an origin 70434011
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-07-10 11:35:09

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 70386461
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-07-08 23:19:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.BARO.HNZ. 2019-07-08T23:11:47.39 1.0 undecidable manual S 306 73.2711 50 0.28 21
IV.TOLF.HHE. 2019-07-08T23:11:45.74 1.0 undecidable manual S 290 67.6767 50 0.14 22
IV.PTQR.HHZ. 2019-07-08T23:11:42.47 0.3 undecidable manual S 71 54.6009 50 0.34 65
IV.FIAM.HHE. 2019-07-08T23:11:41.47 0.3 undecidable manual S 32 53.1024 50 -0.26 66
IV.GIUL.HHZ. 2019-07-08T23:11:41.35 0.6 undecidable manual S 130 52.2033 50 -0.12 46
IV.LATB.EHZ. 2019-07-08T23:11:39.08 0.3 undecidable manual S 159 43.7229 50 -0.15 69
IT.MMP1.HGE. 2019-07-08T23:11:39.37 0.6 undecidable manual S 357 42.9237 50 0.36 44
IV.SRES.HHE. 2019-07-08T23:11:39.95 0.3 undecidable manual S 332 46.9197 50 -0.11 69
IV.BARO.HNZ. 2019-07-08T23:11:38.03 0.3 undecidable manual P 306 73.2711 50 0.34 63
IT.CSO1.HGZ. 2019-07-08T23:11:37.29 0.6 undecidable manual S 44 37.0296 50 -0.13 47
IV.TOLF.HHE. 2019-07-08T23:11:37.08 0.6 undecidable manual P 290 67.6767 50 0.25 43
IV.GIUL.HHZ. 2019-07-08T23:11:34.13 0.1 positive manual P 130 52.2033 50 -0.31 88
IV.FIAM.HHE. 2019-07-08T23:11:34.50 0.1 undecidable manual P 32 53.1024 50 -0.08 92
IV.PTQR.HHZ. 2019-07-08T23:11:34.74 0.1 undecidable manual P 71 54.6009 50 -0.08 92
IV.LAV9.HNZ. 2019-07-08T23:11:33.31 0.6 undecidable manual S 197 21.4674 115 0.29 46
IT.MMP1.HGE. 2019-07-08T23:11:33.51 0.1 undecidable manual P 357 42.9237 50 0.49 86
IV.SRES.HHE. 2019-07-08T23:11:33.62 0.1 undecidable manual P 332 46.9197 50 -0.01 94
IT.CSO1.HGZ. 2019-07-08T23:11:32.07 1.0 undecidable manual P 44 37.0296 50 -0.03 24
IV.LATB.EHZ. 2019-07-08T23:11:32.72 0.3 undecidable manual P 159 43.7229 50 -0.43 65
IV.CERT.HHZ. 2019-07-08T23:11:32.27 0.3 undecidable manual S 61 19.6692 117 -0.18 72
IV.SAMA.HHZ. 2019-07-08T23:11:31.54 0.3 undecidable manual S 239 17.5713 119 -0.29 70
IV.MTCE.HHZ. 2019-07-08T23:11:31.70 0.3 undecidable manual S 352 17.9709 119 -0.24 71
IV.MA9.HHZ. 2019-07-08T23:11:30.36 0.3 undecidable manual S 223 13.9749 125 -0.42 69
IV.RDP.HHZ. 2019-07-08T23:11:30.77 0.3 undecidable manual S 205 12.4764 128 0.41 69
IV.RCAV.EHZ. 2019-07-08T23:11:30.99 0.3 undecidable manual S 97 14.2746 125 0.15 73
IV.VIVA.HHZ. 2019-07-08T23:11:30.70 0.3 undecidable manual S 182 12.4764 128 0.35 70
IV.RMP.HHZ. 2019-07-08T23:11:29.01 0.3 undecidable manual S 226 8.2806 140 -0.29 71
IV.CERT.HHZ. 2019-07-08T23:11:29.23 0.1 undecidable manual P 61 19.6692 117 -0.01 99
IV.LAV9.HNZ. 2019-07-08T23:11:29.32 0.3 undecidable manual P 197 21.4674 115 -0.24 71
IV.VIVA.HHZ. 2019-07-08T23:11:28.33 0.1 undecidable manual P 182 12.4764 128 0.31 94
IV.MA9.HHZ. 2019-07-08T23:11:28.23 0.1 undecidable manual P 223 13.9749 125 -0.04 99
IV.RDP.HHZ. 2019-07-08T23:11:28.32 0.1 undecidable manual P 205 12.4764 128 0.3 94
IV.SAMA.HHZ. 2019-07-08T23:11:28.68 0.1 undecidable manual P 239 17.5713 119 -0.19 96
IV.RCAV.EHZ. 2019-07-08T23:11:28.37 0.1 undecidable manual P 97 14.2746 125 0.07 99
IV.MTCE.HHZ. 2019-07-08T23:11:28.88 0.1 positive manual P 352 17.9709 119 -0.05 98
IV.RMP.HHZ. 2019-07-08T23:11:27.46 0.1 positive manual P 226 8.2806 140 0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RMP.HHE. ML:1.9 0.0011799999999999998 0.2 AML other m 2019-07-08T23:11:31.05
IV.RDP.HHE. ML:1.9 0.0008394999999999999 1.3 AML other m 2019-07-08T23:11:31.12
IV.VIVA.HHN. ML:2.0 0.001023 0.3 AML other m 2019-07-08T23:11:31.49
IV.RDP.HHN. ML:1.8 0.000782559 0.64 AML other m 2019-07-08T23:11:31.84
IV.VIVA.HHE. ML:2.0 0.0010175000000000002 0.34 AML other m 2019-07-08T23:11:32.41
IV.MTCE.HHE. ML:1.3 0.000153 0.26 AML other m 2019-07-08T23:11:32.39
IV.MTCE.HHN. ML:1.3 0.00015150000000000002 0.28 AML other m 2019-07-08T23:11:32.52
IV.CERT.HHE. ML:1.4 0.0002065 0.74 AML other m 2019-07-08T23:11:33.54
IV.CERT.HHN. ML:1.4 0.0001855 1.04 AML other m 2019-07-08T23:11:33.17
IV.RMP.HHN. ML:2.1 0.00194316 0.2176 AML other m 2019-07-08T23:11:29.31
IV.LATB.EHE. ML:0.7 0.000013318066 0.3968 AML other m 2019-07-08T23:11:39.75
IV.LATB.EHN. ML:0.5 0.000010045788 0.32 AML other m 2019-07-08T23:11:39.62
IV.GIUL.HHE. ML:0.9 0.000018213385 0.3968 AML other m 2019-07-08T23:11:47.27
IV.GIUL.HHN. ML:0.8 0.000016173300000000003 0.2176 AML other m 2019-07-08T23:11:43.31
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