Earthquake with magnitude of Md 2.0 on date 06-11-1997 and time 11:50:38 (Italy) in region SE San Polo dei Cavalieri (RM)

A magnitude Md 2.0 earthquake occured in region: SE San Polo dei Cavalieri (RM), on

  • 06-11-1997 10:50:38 (UTC)
  • 06-11-1997 11:50:38 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.0110, 12.8430 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
San Polo dei Cavalieri RM 0 2992 2992
Marcellina RM 3 7280 10272
Vicovaro RM 4 4019 14291
Castel Madama RM 4 7399 21690
Tivoli RM 6 56533 78223
Roccagiovine RM 7 263 78486
Mandela RM 7 917 79403
Sambuci RM 8 925 80328
Licenza RM 9 1011 81339
Palombara Sabina RM 9 13269 94608
Saracinesco RM 9 185 94793
Guidonia Montecelio RM 10 88673 183466
Ciciliano RM 10 1336 184802
San Gregorio da Sassola RM 11 1619 186421
Sant'Angelo Romano RM 11 5018 191439
Percile RM 11 255 191694
Cineto Romano RM 11 601 192295
Monteflavio RM 11 1348 193643
Casape RM 12 744 194387
Anticoli Corrado RM 12 915 195302
Roviano RM 13 1351 196653
Moricone RM 13 2650 199303
Cerreto Laziale RM 14 1118 200421
Riofreddo RM 14 781 201202
Poli RM 14 2418 203620
Montorio Romano RM 15 1984 205604
Marano Equo RM 15 779 206383
Arsoli RM 15 1586 207969
Pisoniano RM 15 770 208739
Gerano RM 15 1263 210002
Vallinfreda RM 15 283 210285
Orvinio RI 16 405 210690
Gallicano nel Lazio RM 16 6334 217024
Agosta RM 16 1765 218789
Rocca Canterano RM 16 196 218985
Montelibretti RM 16 5323 224308
Oricola AQ 17 1244 225552
Vivaro Romano RM 17 182 225734
Mentana RM 17 22921 248655
Scandriglia RI 17 3108 251763
Nerola RM 18 1926 253689
Canterano RM 18 351 254040
San Vito Romano RM 18 3273 257313
Fonte Nuova RM 19 32562 289875
Castel San Pietro Romano RM 19 902 290777
Rocca Santo Stefano RM 19 975 291752
Cervara di Roma RM 19 455 292207
Rocca di Botte AQ 19 856 293063
Capranica Prenestina RM 19 351 293414
Zagarolo RM 19 17843 311257
Monterotondo RM 19 40830 352087
Palestrina RM 19 21672 373759
Pozzaglia Sabina RI 20 360 374119
Turania RI 20 241 374360

Municipalities with at least 50000 inhabitants

An earthquake occurred to
6 Km NE of Tivoli (56533 inhabitants)
10 Km E of Guidonia Montecelio (88673 inhabitants)
32 Km E of Roma (2864731 inhabitants)
36 Km N of Velletri (53303 inhabitants)
47 Km NE of Pomezia (62966 inhabitants)
49 Km NE of Aprilia (73446 inhabitants)
57 Km E of Fiumicino (78395 inhabitants)
60 Km SW of L'Aquila (69753 inhabitants)
61 Km N of Latina (125985 inhabitants)
63 Km S of Terni (111501 inhabitants)
65 Km N of Anzio (54211 inhabitants)
76 Km SE of Viterbo (67173 inhabitants)
87 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 2.0
ML-VAX 1.5
1997-11-06
10:50:38
42.011 12.843 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 310199
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-11-06 10:50:38 ± 0.225
Latitude 42.0110 ± 0.0136
Longitude 12.8430 ± 0.0202
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 310199

Uncertainty

Field Value
Preferred uncertainty description horizontal uncertainty
Semi-major axis of confidence ellipse (meter)
Semi-minor axis of confidence ellipse (meter)
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)
Circular confidence region, given by single value of horizontal uncertainty (meter) 2255.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 134
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00202
Epicentral distance of station farthest from the epicenter (degree) 0.00696
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

Md:2.0

Field Value
Value 2.0
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 310199
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:51:01

ML:1.5

Field Value
Value 1.5
Uncertainty
Num. used stations 4
Type of magnitude ML
Reference to an origin 310199
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 13:07:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.SDI.Z. 1997-11-06T10:51:04.79 10.0 undecidable manual SG 112 0.777 -0.61 0.3
--.PQ9.Z. 1997-11-06T10:50:54.30 10.0 undecidable manual SG 88 0.4107 0.65 0.4
--.SDI.Z. 1997-11-06T10:50:53.38 10.0 undecidable manual PG 112 0.777 -0.63 0.6
--.MNS.Z. 1997-11-06T10:50:52.76 10.0 undecidable manual SG 342 0.3885 -0.2 0.6
--.RMP.Z. 1997-11-06T10:50:48.00 10.0 undecidable manual SG 207 0.222 0.43 0.5
--.RDP.Z. 1997-11-06T10:50:47.79 10.0 undecidable manual SG 200 0.2553 -1.19 0.1
--.PQ9.Z. 1997-11-06T10:50:47.52 10.0 positive manual PG 88 0.4107 0.3 2.9
--.MNS.Z. 1997-11-06T10:50:46.52 10.0 undecidable manual PG 342 0.3885 -0.3 1.4
--.RDP.Z. 1997-11-06T10:50:44.26 10.0 positive manual PG 200 0.2553 -0.26 3
--.RMP.Z. 1997-11-06T10:50:44.87 10.0 undecidable manual PG 207 0.222 1.16 0.2
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