Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 18-09-2007 and time 11:57:42 (Italy) in region 2 km N Rocca di Botte (AQ)

A magnitude ML 1.7 earthquake occured in region: 2 km N Rocca di Botte (AQ), on

  • 18-09-2007 09:57:42 (UTC)
  • 18-09-2007 11:57:42 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.0440, 13.0700 at 6 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
Rocca di Botte AQ 2 856 856
Oricola AQ 3 1244 2100
Pereto AQ 3 682 2782
Camerata Nuova RM 4 447 3229
Arsoli RM 4 1586 4815
Carsoli AQ 6 5396 10211
Riofreddo RM 6 781 10992
Cervara di Roma RM 6 455 11447
Roviano RM 6 1351 12798
Marano Equo RM 7 779 13577
Agosta RM 7 1765 15342
Anticoli Corrado RM 8 915 16257
Vallinfreda RM 8 283 16540
Vivaro Romano RM 8 182 16722
Cineto Romano RM 9 601 17323
Rocca Canterano RM 11 196 17519
Collalto Sabino RI 11 442 17961
Saracinesco RM 11 185 18146
Canterano RM 12 351 18497
Turania RI 12 241 18738
Mandela RM 12 917 19655
Nespolo RI 13 246 19901
Sambuci RM 13 925 20826
Sante Marie AQ 13 1166 21992
Cerreto Laziale RM 13 1118 23110
Subiaco RM 13 9074 32184
Gerano RM 14 1263 33447
Ciciliano RM 14 1336 34783
Roccagiovine RM 14 263 35046
Licenza RM 14 1011 36057
Percile RM 14 255 36312
Orvinio RI 15 405 36717
Collegiove RI 15 213 36930
Vicovaro RM 15 4019 40949
Rocca Santo Stefano RM 15 975 41924
Pozzaglia Sabina RI 16 360 42284
Tagliacozzo AQ 16 6889 49173
Paganico Sabino RI 17 172 49345
Pisoniano RM 18 770 50115
Cappadocia AQ 18 528 50643
Affile RM 18 1548 52191
Ascrea RI 18 234 52425
Castel Madama RM 18 7399 59824
Bellegra RM 18 2887 62711
Arcinazzo Romano RM 19 1348 64059
Vallepietra RM 19 283 64342
Roiate RM 19 737 65079
Jenne RM 19 366 65445
San Vito Romano RM 19 3273 68718
San Polo dei Cavalieri RM 19 2992 71710
Pescorocchiano RI 19 2075 73785

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km E of Tivoli (56533 inhabitants)
29 Km E of Guidonia Montecelio (88673 inhabitants)
44 Km SW of L'Aquila (69753 inhabitants)
46 Km NE of Velletri (53303 inhabitants)
51 Km E of Roma (2864731 inhabitants)
61 Km NE of Aprilia (73446 inhabitants)
63 Km NE of Pomezia (62966 inhabitants)
65 Km N of Latina (125985 inhabitants)
67 Km SE of Terni (111501 inhabitants)
75 Km E of Fiumicino (78395 inhabitants)
76 Km NE of Anzio (54211 inhabitants)
86 Km SW of Teramo (54892 inhabitants)
90 Km E of Viterbo (67173 inhabitants)
97 Km W of Chieti (51815 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
ML 1.7 		2007-09-18
09:57:42		 42.044 13.07 6 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 652659
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2007-09-18 09:57:42 ± 0.16
Latitude 42.0440 ± 0.0063
Longitude 13.0700 ± 0.0133
Depth (km) 6 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 652659

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 908
Semi-minor axis of confidence ellipse (meter) 653
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 287
Circular confidence region, given by single value of horizontal uncertainty (meter) 1303.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 154
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.36
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.44606
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 4
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.1
Num. used stations
Type of magnitude ML
Reference to an origin 652659
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 12:24:02

Md:2.2

Field Value
Value 2.2
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 652659
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 12:24:02
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VVLD.BHE. 2007-09-18T09:58:00.04 0.3 undecidable manual Sg 113 49.5171 0.468 65
IV.FAGN.BHN. 2007-09-18T09:57:59.70 10.0 undecidable manual Pg 0 0 0
IV.PTQR.SHZ. 2007-09-18T09:57:52.27 0.6 undecidable manual Sg 95 27.3504 -0.122 49
IV.VVLD.BHE. 2007-09-18T09:57:51.97 0.1 undecidable manual Pg 113 49.5171 -0.474 87
IV.FIAM.HHZ. 2007-09-18T09:57:51.73 0.1 undecidable manual Sg 9 25.1526 0.077 98
IV.PTQR.SHZ. 2007-09-18T09:57:48.36 0.1 undecidable manual Pg 95 27.3504 0.062 98
IV.CERT.HHZ. 2007-09-18T09:57:47.73 0.1 undecidable manual Sg 215 12.7761 0.155 99
IV.FIAM.HHZ. 2007-09-18T09:57:47.87 0.1 undecidable manual Pg 9 25.1526 0 100
IV.CERT.HHZ. 2007-09-18T09:57:45.33 0.3 undecidable manual Pg 215 12.7761 -0.188 74
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