Earthquake with magnitude of ML 2.0 on date 21-10-2007 and time 19:44:34 (Italy) in region 3 km E Cittaducale (RI)

A magnitude ML 2.0 earthquake occured in region: 3 km E Cittaducale (RI), on

  • 21-10-2007 17:44:34 (UTC)
  • 21-10-2007 19:44:34 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.3970, 12.9770 at 8 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
Cittaducale RI 3 6828 6828
Castel Sant'Angelo RI 4 1308 8136
Borgo Velino RI 7 972 9108
Concerviano RI 8 291 9399
Antrodoco RI 9 2588 11987
Micigliano RI 9 127 12114
Rieti RI 9 47698 59812
Cantalice RI 10 2755 62567
Belmonte in Sabina RI 11 636 63203
Petrella Salto RI 14 1197 64400
Longone Sabino RI 14 597 64997
Poggio Bustone RI 14 2055 67052
Rocca Sinibalda RI 14 815 67867
Rivodutri RI 17 1253 69120
Posta RI 17 694 69814
Contigliano RI 17 3783 73597
Torricella in Sabina RI 17 1342 74939
Varco Sabino RI 18 187 75126
Monte San Giovanni in Sabina RI 18 714 75840
Borbona RI 18 617 76457
Greccio RI 18 1558 78015
Leonessa RI 18 2435 80450
Montenero Sabino RI 19 299 80749
Morro Reatino RI 19 373 81122
Fiamignano RI 19 1413 82535
Poggio San Lorenzo RI 19 589 83124
Marcetelli RI 20 89 83213
Colli sul Velino RI 20 533 83746

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km SE of Terni (111501 inhabitants)
35 Km W of L'Aquila (69753 inhabitants)
49 Km NE of Guidonia Montecelio (88673 inhabitants)
50 Km N of Tivoli (56533 inhabitants)
66 Km SE of Foligno (57155 inhabitants)
67 Km W of Teramo (54892 inhabitants)
69 Km NE of Roma (2864731 inhabitants)
72 Km E of Viterbo (67173 inhabitants)
81 Km N of Velletri (53303 inhabitants)
90 Km NE of Pomezia (62966 inhabitants)
92 Km NE of Fiumicino (78395 inhabitants)
93 Km SE of Perugia (166134 inhabitants)
93 Km N of Aprilia (73446 inhabitants)
97 Km W of Montesilvano (53738 inhabitants)
98 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 2.1
ML 2.0
2007-10-21
17:44:34
42.397 12.977 8 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 658599
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2007-10-21 17:44:34 ± 0.14
Latitude 42.3970 ± 0.0081
Longitude 12.9770 ± 0.0110
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 658599

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 795
Semi-minor axis of confidence ellipse (meter) 707
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 76
Circular confidence region, given by single value of horizontal uncertainty (meter) 1272.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 126
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.48
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.70687
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 658599
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 12:30:27

Md:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 658599
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 12:30:27
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
MN.VSL.HHZ. 2007-10-21T17:45:10.53 10.0 undecidable manual Pg 0 0 0
IV.RAVA.EHN. 2007-10-21T17:44:58.75 10.0 undecidable manual Pg 0 0 0
IV.CESI.BHE. 2007-10-21T17:44:56.55 0.1 undecidable manual Sg 355 67.6767 0.64 78
IV.PTQR.SHZ. 2007-10-21T17:44:51.61 10.0 undecidable manual Pg 0 0 0
IV.ASS.SHZ. 2007-10-21T17:44:48.53 0.1 undecidable manual Pg 340 78.4659 -0.046 89
IV.CESI.BHE. 2007-10-21T17:44:46.57 0.1 undecidable manual Pg 355 67.6767 -0.344 86
IV.FAGN.BHN. 2007-10-21T17:44:45.26 0.1 undecidable manual Pg 106 51.9036 0.79 76
IV.LNSS.BHN. 2007-10-21T17:44:43.24 0.1 undecidable manual Sg 13 23.4543 0.052 99
IV.NRCA.SHZ. 2007-10-21T17:44:43.42 0.1 undecidable manual Pg 13 49.7169 -0.722 78
IV.MNS.BHE. 2007-10-21T17:44:43.49 0.1 undecidable manual Sg 267 24.2535 0.035 99
IV.AQU.SHZ. 2007-10-21T17:44:42.12 0.6 undecidable manual Pg 98 35.1426 0.283 46
IV.FIAM.HHE. 2007-10-21T17:44:41.42 0.1 undecidable manual Sg 141 18.3705 -0.106 98
IV.CAMP.BHN. 2007-10-21T17:44:41.86 0.1 undecidable manual Pg 66 38.628 -0.566 85
IV.MNS.BHE. 2007-10-21T17:44:39.73 0.1 undecidable manual Pg 267 24.2535 0.008 99
IV.LNSS.BHN. 2007-10-21T17:44:39.70 0.1 undecidable manual Pg 13 23.4543 0.131 97
IV.FIAM.HHE. 2007-10-21T17:44:38.64 0.1 undecidable manual Pg 141 18.3705 0.03 100
IV.SCTE.HHN. 2007-10-21T17:44:32.50 10.0 undecidable manual Pg 0 0 0
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