Earthquake with magnitude of ML 1.2 on date 20-06-2006 and time 00:09:32 (UTC) in region 5 km SE Velletri (RM)

A magnitude ML 1.2 earthquake occured in region: 5 km SE Velletri (RM), on

  • 20-06-2006 00:09:32 (UTC)
  • 20-06-2006 02:09:32 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.6480, 12.8090 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
Velletri RM 5 53303 53303
Cisterna di Latina LT 6 36868 90171
Cori LT 9 11065 101236
Lariano RM 9 13432 114668
Lanuvio RM 10 13632 128300
Rocca Massima LT 10 1136 129436
Nemi RM 11 1943 131379
Genzano di Roma RM 12 23970 155349
Artena RM 14 14276 169625
Ariccia RM 14 19407 189032
Aprilia LT 15 73446 262478
Rocca di Papa RM 15 17034 279512
Norma LT 15 3946 283458
Albano Laziale RM 15 41715 325173
Labico RM 17 6379 331552
Rocca Priora RM 17 11962 343514
Valmontone RM 17 15959 359473
Castel Gandolfo RM 17 8997 368470
Sermoneta LT 18 9842 378312
Marino RM 18 43026 421338
Segni RM 19 9159 430497
Colleferro RM 19 21595 452092
Monte Compatri RM 19 11978 464070
Montelanico RM 19 2131 466201
San Cesareo RM 19 15153 481354
Grottaferrata RM 20 20327 501681

Municipalities with at least 50000 inhabitants

An earthquake occurred to
5 Km SE of Velletri (53303 inhabitants)
15 Km E of Aprilia (73446 inhabitants)
22 Km NW of Latina (125985 inhabitants)
26 Km E of Pomezia (62966 inhabitants)
27 Km NE of Anzio (54211 inhabitants)
35 Km S of Tivoli (56533 inhabitants)
38 Km SE of Roma (2864731 inhabitants)
40 Km S of Guidonia Montecelio (88673 inhabitants)
49 Km E of Fiumicino (78395 inhabitants)
92 Km SW of L'Aquila (69753 inhabitants)
98 Km SE 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
Md 2.1
ML 1.2
2006-06-20
00:09:32
41.648 12.809 10 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 574819
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2006-06-20 00:09:32 ± 0.15
Latitude 41.6480 ± 0.0108
Longitude 12.8090 ± 0.0096
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 574819

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1316
Semi-minor axis of confidence ellipse (meter) 684
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 25
Circular confidence region, given by single value of horizontal uncertainty (meter) 1442.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 185
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.08723
Epicentral distance of station farthest from the epicenter (degree) 0.34444
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 574819
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 11:01:32

Md:2.1

Field Value
Value 2.1
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 574819
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 11:01:32
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CERT.HHZ. 2006-06-20T00:09:45.12 0.3 undecidable manual Sg 23 36.3414 0.222 35
IV.GIUL.BHN. 2006-06-20T00:09:45.69 0.1 undecidable manual Sg 105 38.2284 0.267 47
IV.GIUL.BHN. 2006-06-20T00:09:39.80 0.1 undecidable manual Pg 105 38.2284 -0.164 95
IV.CERT.HHZ. 2006-06-20T00:09:39.37 0.1 undecidable manual Pg 23 36.3414 -0.291 93
IV.RDP.BHZ. 2006-06-20T00:09:38.52 0.1 undecidable manual Sg 328 14.4744 -0.074 51
IV.RDP.BHZ. 2006-06-20T00:09:36.29 0.1 undecidable manual Pg 328 14.4744 0.269 97
IV.LAV9.SHZ. 2006-06-20T00:09:36.98 0.1 undecidable manual Sg 290 9.6792 -0.359 48
IV.LAV9.SHZ. 2006-06-20T00:09:35.47 0.1 undecidable manual Pg 290 9.6792 0.173 100
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