Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.9 on date 20-06-2019 and time 02:29:10 (Italy) in region 5 km NW Gallicano nel Lazio (RM)

A magnitude ML 0.9 earthquake occured in region: 5 km NW Gallicano nel Lazio (RM), on

  • 20-06-2019 00:29:10 (UTC)
  • 20-06-2019 02:29:10 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.9100, 12.7850 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 5 6334 6334
Tivoli RM 6 56533 62867
San Gregorio da Sassola RM 7 1619 64486
Casape RM 9 744 65230
Zagarolo RM 9 17843 83073
Colonna RM 9 4287 87360
Poli RM 9 2418 89778
San Cesareo RM 10 15153 104931
Castel Madama RM 10 7399 112330
Guidonia Montecelio RM 11 88673 201003
Castel San Pietro Romano RM 12 902 201905
Palestrina RM 12 21672 223577
Monte Porzio Catone RM 12 8693 232270
Monte Compatri RM 12 11978 244248
San Polo dei Cavalieri RM 12 2992 247240
Marcellina RM 13 7280 254520
Rocca Priora RM 13 11962 266482
Ciciliano RM 14 1336 267818
Frascati RM 14 22087 289905
Pisoniano RM 15 770 290675
Vicovaro RM 15 4019 294694
Capranica Prenestina RM 15 351 295045
Sant'Angelo Romano RM 15 5018 300063
Rocca di Cave RM 15 377 300440
Sambuci RM 15 925 301365
Cave RM 16 11287 312652
Labico RM 16 6379 319031
Grottaferrata RM 17 20327 339358
Fonte Nuova RM 17 32562 371920
San Vito Romano RM 17 3273 375193
Cerreto Laziale RM 17 1118 376311
Rocca di Papa RM 18 17034 393345
Saracinesco RM 18 185 393530
Gerano RM 18 1263 394793
Palombara Sabina RM 18 13269 408062
Genazzano RM 18 6036 414098
Mandela RM 18 917 415015
Roccagiovine RM 18 263 415278
Mentana RM 18 22921 438199
Valmontone RM 18 15959 454158
Marino RM 19 43026 497184
Ciampino RM 19 38412 535596
Rocca Santo Stefano RM 20 975 536571

Municipalities with at least 50000 inhabitants

An earthquake occurred to
6 Km S of Tivoli (56533 inhabitants)
11 Km SE of Guidonia Montecelio (88673 inhabitants)
25 Km N of Velletri (53303 inhabitants)
25 Km E of Roma (2864731 inhabitants)
35 Km NE of Pomezia (62966 inhabitants)
37 Km NE of Aprilia (73446 inhabitants)
48 Km E of Fiumicino (78395 inhabitants)
50 Km N of Latina (125985 inhabitants)
53 Km N of Anzio (54211 inhabitants)
71 Km SW of L'Aquila (69753 inhabitants)
73 Km S of Terni (111501 inhabitants)
80 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 0.9 2019-06-20
00:29:10		 41.9103 12.7847 10 2019-11-13
14:30:52		 Bollettino Sismico Italiano INGV 69871991
Reviewed
Rev100 		ML 1.0 2019-06-20
00:29:10		 41.9055 12.8012 12 2019-06-20
00:43:31		 Sala Sismica INGV-Roma 69715301
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-06-20 00:29:10 ± 0.06
Latitude 41.9103 ± 0.0027
Longitude 12.7847 ± 0.0048
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 69871991

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 344
Semi-minor axis of confidence ellipse (meter) 180
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 114
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) 91
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.11691
Epicentral distance of station farthest from the epicenter (degree) 0.49643
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 69871991
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-06-24 14:42:50

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 69715301
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-06-20 00:43:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GIUL.HHZ. 2019-06-20T00:29:28.03 0.6 undecidable manual S 135 55.1004 50 -0.32 44
IT.RMVT.HGE. 2019-06-20T00:29:20.71 0.6 undecidable manual S 282 25.1526 50 0.35 46
IV.GIUL.HHZ. 2019-06-20T00:29:20.72 0.3 undecidable manual P 135 55.1004 50 -0.29 66
IV.LAV9.HHE. 2019-06-20T00:29:20.98 0.6 undecidable manual S 195 26.751 50 0.2 47
IV.MA9.HHE. 2019-06-20T00:29:18.12 0.3 undecidable manual S 214 18.7701 119 -0.27 71
IV.CERT.HHZ. 2019-06-20T00:29:18.13 0.3 undecidable manual S 75 16.7721 121 0.32 70
IV.VIVA.HHE. 2019-06-20T00:29:18.32 0.3 undecidable manual S 184 17.7711 120 0.22 71
IV.RDP.HHZ. 2019-06-20T00:29:18.12 0.3 undecidable manual S 200 17.7711 120 0.04 74
IV.RCAV.EHE. 2019-06-20T00:29:17.22 0.3 undecidable manual S 118 14.9739 124 -0.05 74
IV.LAV9.HHE. 2019-06-20T00:29:16.56 0.1 undecidable manual P 195 26.751 50 -0.08 96
IV.MTCE.HHZ. 2019-06-20T00:29:16.50 0.3 undecidable manual S 344 12.9759 128 -0.2 72
IT.RMVT.HGE. 2019-06-20T00:29:16.59 0.3 undecidable manual P 282 25.1526 50 0.2 71
IV.RMP.HHZ. 2019-06-20T00:29:16.86 0.3 undecidable manual S 212 12.9759 128 0.16 73
IV.MA9.HHE. 2019-06-20T00:29:15.03 0.3 undecidable manual P 214 18.7701 119 -0.23 71
IV.CERT.HHZ. 2019-06-20T00:29:15.09 0.1 undecidable manual P 75 16.7721 121 0.17 96
IV.VIVA.HHE. 2019-06-20T00:29:15.24 0.3 undecidable manual P 184 17.7711 120 0.15 72
IV.RDP.HHZ. 2019-06-20T00:29:15.06 0.1 undecidable manual P 200 17.7711 120 -0.02 99
IV.RMP.HHZ. 2019-06-20T00:29:14.27 0.1 undecidable manual P 212 12.9759 128 -0.01 100
IV.RCAV.EHE. 2019-06-20T00:29:14.31 1.0 undecidable manual P 118 14.9739 124 -0.31 23
IV.MTCE.HHZ. 2019-06-20T00:29:14.14 0.1 undecidable manual P 344 12.9759 128 -0.14 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTCE.HHN. ML:0.6 0.0000427 0.24 AML other m 2019-06-20T00:29:16.59
IV.MTCE.HHE. ML:0.9 0.00008510000000000001 0.4 AML other m 2019-06-20T00:29:16.79
IV.RDP.HHE. ML:1.2 0.00013550000000000001 0.4 AML other m 2019-06-20T00:29:18.49
IV.RDP.HHN. ML:1.2 0.00013000000000000002 0.2 AML other m 2019-06-20T00:29:19.34
IV.RMP.HHN. ML:0.8 0.0000747 1.36 AML other m 2019-06-20T00:29:22.68
IV.RMP.HHE. ML:0.8 0.00006955 0.56 AML other m 2019-06-20T00:29:23.14
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