Earthquake with magnitude of ML 2.2 on date 12-03-2009 and time 11:18:27 (UTC) in region 1 km NE Saracinesco (RM)

A magnitude ML 2.2 earthquake occured in region: 1 km NE Saracinesco (RM), on

  • 12-03-2009 11:18:27 (UTC)
  • 12-03-2009 12:18:27 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.0120, 12.9570 at 18 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
Saracinesco RM 1 185 185
Anticoli Corrado RM 3 915 1100
Sambuci RM 3 925 2025
Mandela RM 4 917 2942
Roviano RM 4 1351 4293
Cineto Romano RM 4 601 4894
Marano Equo RM 5 779 5673
Vicovaro RM 5 4019 9692
Ciciliano RM 6 1336 11028
Arsoli RM 6 1586 12614
Roccagiovine RM 6 263 12877
Riofreddo RM 7 781 13658
Agosta RM 7 1765 15423
Cerreto Laziale RM 8 1118 16541
Oricola AQ 8 1244 17785
Castel Madama RM 8 7399 25184
Rocca Canterano RM 8 196 25380
Licenza RM 8 1011 26391
Vallinfreda RM 9 283 26674
Gerano RM 9 1263 27937
Rocca di Botte AQ 9 856 28793
San Polo dei Cavalieri RM 10 2992 31785
Cervara di Roma RM 10 455 32240
Percile RM 10 255 32495
Canterano RM 10 351 32846
Vivaro Romano RM 11 182 33028
Pisoniano RM 11 770 33798
San Gregorio da Sassola RM 12 1619 35417
Marcellina RM 12 7280 42697
Rocca Santo Stefano RM 13 975 43672
Camerata Nuova RM 13 447 44119
Casape RM 13 744 44863
Pereto AQ 13 682 45545
Orvinio RI 14 405 45950
Carsoli AQ 14 5396 51346
Tivoli RM 14 56533 107879
San Vito Romano RM 14 3273 111152
Turania RI 15 241 111393
Poli RM 15 2418 113811
Monteflavio RM 15 1348 115159
Subiaco RM 15 9074 124233
Bellegra RM 16 2887 127120
Collalto Sabino RI 16 442 127562
Capranica Prenestina RM 17 351 127913
Pozzaglia Sabina RI 17 360 128273
Palombara Sabina RM 17 13269 141542
Roiate RM 18 737 142279
Olevano Romano RM 18 6687 148966
Affile RM 18 1548 150514
Rocca di Cave RM 18 377 150891
Nespolo RI 19 246 151137
Montorio Romano RM 19 1984 153121
Castel San Pietro Romano RM 19 902 154023
Guidonia Montecelio RM 19 88673 242696
Moricone RM 19 2650 245346
Gallicano nel Lazio RM 19 6334 251680
Collegiove RI 19 213 251893
Scandriglia RI 20 3108 255001
Arcinazzo Romano RM 20 1348 256349
Palestrina RM 20 21672 278021
Genazzano RM 20 6036 284057

Municipalities with at least 50000 inhabitants

An earthquake occurred to
14 Km E of Tivoli (56533 inhabitants)
19 Km E of Guidonia Montecelio (88673 inhabitants)
39 Km NE of Velletri (53303 inhabitants)
41 Km E of Roma (2864731 inhabitants)
53 Km SW of L'Aquila (69753 inhabitants)
53 Km NE of Aprilia (73446 inhabitants)
53 Km NE of Pomezia (62966 inhabitants)
61 Km N of Latina (125985 inhabitants)
65 Km E of Fiumicino (78395 inhabitants)
66 Km SE of Terni (111501 inhabitants)
68 Km NE of Anzio (54211 inhabitants)
83 Km SE of Viterbo (67173 inhabitants)
95 Km SW of Teramo (54892 inhabitants)
96 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
Md 2.3
ML 2.2
2009-03-12
11:18:27
42.012 12.957 18 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 749719
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-03-12 11:18:27 ± 0.25
Latitude 42.0120 ± 0.0108
Longitude 12.9570 ± 0.0169
Depth (km) 18 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 749719

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1267
Semi-minor axis of confidence ellipse (meter) 1206
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 227
Circular confidence region, given by single value of horizontal uncertainty (meter) 1843.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 221
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.06565
Epicentral distance of station farthest from the epicenter (degree) 0.51531
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:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 749719
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:10:33

Md:2.3

Field Value
Value 2.3
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 749719
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:10:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PTQR.SHZ. 2009-03-12T11:18:40.49 0.6 undecidable manual Sg 88 36.5412 0.206 47
IV.VVLD.HHE. 2009-03-12T11:18:38.11 0.3 undecidable manual Pg 106 57.1983 -0.021 70
IV.FIAM.HHZ. 2009-03-12T11:18:38.91 0.6 undecidable manual Sg 25 31.3464 -0.036 49
IV.PTQR.SHZ. 2009-03-12T11:18:34.86 0.1 undecidable manual Pg 88 36.5412 -0.158 95
IV.FIAM.HHZ. 2009-03-12T11:18:34.27 0.3 undecidable manual Pg 25 31.3464 0.024 74
IV.CERT.HHZ. 2009-03-12T11:18:33.73 0.6 undecidable manual Sg 164 7.2927 -0.176 50
IV.CERT.HHZ. 2009-03-12T11:18:31.49 0.1 undecidable manual Pg 164 7.2927 0.152 100
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
Waveforms Seismic signals in miniseed + resp format Download