Earthquake with magnitude of Md 2.2 on date 20-08-2005 and time 09:13:49 (UTC) in region 3 km W Palombara Sabina (RM)

A magnitude Md 2.2 earthquake occured in region: 3 km W Palombara Sabina (RM), on

  • 20-08-2005 09:13:49 (UTC)
  • 20-08-2005 11:13:49 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.0700, 12.7310 at 5 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
Palombara Sabina RM 3 13269 13269
Sant'Angelo Romano RM 4 5018 18287
Moricone RM 6 2650 20937
Montelibretti RM 7 5323 26260
Guidonia Montecelio RM 8 88673 114933
Marcellina RM 8 7280 122213
Mentana RM 9 22921 145134
Monteflavio RM 10 1348 146482
Monterotondo RM 10 40830 187312
Montorio Romano RM 10 1984 189296
San Polo dei Cavalieri RM 11 2992 192288
Nerola RM 11 1926 194214
Fonte Nuova RM 12 32562 226776
Tivoli RM 13 56533 283309
Roccagiovine RM 14 263 283572
Scandriglia RI 14 3108 286680
Licenza RM 14 1011 287691
Vicovaro RM 15 4019 291710
Percile RM 15 255 291965
Castel Madama RM 15 7399 299364
Fara in Sabina RI 16 13742 313106
Toffia RI 16 1058 314164
Fiano Romano RM 16 15360 329524
Mandela RM 17 917 330441
Poggio Nativo RI 17 2622 333063
Riano RM 17 10466 343529
Capena RM 18 10592 354121
Castelnuovo di Farfa RI 18 1059 355180
Orvinio RI 19 405 355585
Civitella San Paolo RM 19 2066 357651
Frasso Sabino RI 19 743 358394
Poggio Moiano RI 19 2751 361145
Cineto Romano RM 19 601 361746
Sambuci RM 19 925 362671
Saracinesco RM 20 185 362856
Montopoli di Sabina RI 20 4210 367066
Mompeo RI 20 530 367596

Municipalities with at least 50000 inhabitants

An earthquake occurred to
8 Km N of Guidonia Montecelio (88673 inhabitants)
13 Km NW of Tivoli (56533 inhabitants)
28 Km NE of Roma (2864731 inhabitants)
43 Km N of Velletri (53303 inhabitants)
48 Km NE of Pomezia (62966 inhabitants)
53 Km NE of Fiumicino (78395 inhabitants)
53 Km N of Aprilia (73446 inhabitants)
55 Km S of Terni (111501 inhabitants)
63 Km SW of L'Aquila (69753 inhabitants)
64 Km SE of Viterbo (67173 inhabitants)
68 Km N of Latina (125985 inhabitants)
70 Km N of Anzio (54211 inhabitants)
77 Km E of Civitavecchia (52991 inhabitants)
99 Km S of Foligno (57155 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 2.2 2005-08-20
09:13:49
42.07 12.731 5 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 530619
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2005-08-20 09:13:49 ± 0.07
Latitude 42.0700 ± 0.0027
Longitude 12.7310 ± 0.0061
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 530619

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 526
Semi-minor axis of confidence ellipse (meter) 316
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 106
Circular confidence region, given by single value of horizontal uncertainty (meter) 583.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 183
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.34804
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 4
Magnitude information

Md:2.2

Field Value
Value 2.2
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 530619
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 10:15:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ORI.SHZ. 2005-08-20T09:14:11.65 10.0 undecidable manual Pg 0 0 0
IV.CERT.HHN. 2005-08-20T09:13:58.99 0.1 undecidable manual Sg 123 24.6531 0.088 49
IV.MNS.SHZ. 2005-08-20T09:13:57.07 0.1 undecidable manual Pg 353 35.2425 0.008 97
IV.APPI.EHE. 2005-08-20T09:13:57.04 10.0 undecidable manual Pg 0 0 0
IV.FIAM.HHE. 2005-08-20T09:13:57.70 0.1 undecidable manual Pg 55 38.628 -0.037 96
IV.CERT.HHN. 2005-08-20T09:13:54.94 0.1 undecidable manual Pg 123 24.6531 -0.028 98
IV.MTCE.BHZ. 2005-08-20T09:13:52.34 0.1 undecidable manual Sg 170 5.2947 -0.187 49
IV.MTCE.BHZ. 2005-08-20T09:13:51.50 0.1 undecidable manual Pg 170 5.2947 0.111 100
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