Earthquake with magnitude of ML 1.1 on date 25-10-2005 and time 00:57:04 (Italy) in region 4 km NW Castel Sant'Angelo (RI)

A magnitude ML 1.1 earthquake occured in region: 4 km NW Castel Sant'Angelo (RI), on

  • 24-10-2005 22:57:04 (UTC)
  • 25-10-2005 00:57:04 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.4260, 12.9960 at 12 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
Castel Sant'Angelo RI 4 1308 1308
Borgo Velino RI 6 972 2280
Micigliano RI 6 127 2407
Cittaducale RI 6 6828 9235
Antrodoco RI 7 2588 11823
Cantalice RI 9 2755 14578
Rieti RI 11 47698 62276
Concerviano RI 11 291 62567
Poggio Bustone RI 12 2055 64622
Posta RI 14 694 65316
Belmonte in Sabina RI 15 636 65952
Borbona RI 15 617 66569
Rivodutri RI 15 1253 67822
Leonessa RI 15 2435 70257
Petrella Salto RI 16 1197 71454
Longone Sabino RI 17 597 72051
Morro Reatino RI 17 373 72424
Rocca Sinibalda RI 18 815 73239
Greccio RI 19 1558 74797
Contigliano RI 19 3783 78580
Cagnano Amiterno AQ 19 1369 79949
Labro RI 20 374 80323
Colli sul Velino RI 20 533 80856

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km E of Terni (111501 inhabitants)
34 Km W of L'Aquila (69753 inhabitants)
52 Km NE of Guidonia Montecelio (88673 inhabitants)
54 Km NE of Tivoli (56533 inhabitants)
64 Km SE of Foligno (57155 inhabitants)
64 Km W of Teramo (54892 inhabitants)
73 Km NE of Roma (2864731 inhabitants)
73 Km E of Viterbo (67173 inhabitants)
84 Km N of Velletri (53303 inhabitants)
91 Km SE of Perugia (166134 inhabitants)
93 Km NE of Pomezia (62966 inhabitants)
95 Km W of Montesilvano (53738 inhabitants)
96 Km NE of Fiumicino (78395 inhabitants)
97 Km W of Chieti (51815 inhabitants)
97 Km NE of Aprilia (73446 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 1.9
ML 1.1
2005-10-24
22:57:04
42.426 12.996 13 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 538699
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2005-10-24 22:57:04 ± 0.13
Latitude 42.4260 ± 0.0063
Longitude 12.9960 ± 0.0110
Depth (km) 13 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 538699

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 842
Semi-minor axis of confidence ellipse (meter) 684
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 81
Circular confidence region, given by single value of horizontal uncertainty (meter) 1140.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 111
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.41
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.48923
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 5
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 538699
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 10:24:16

Md:1.9

Field Value
Value 1.9
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 538699
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 10:24:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FAGN.EHZ. 2005-10-24T22:57:23.29 10.0 undecidable manual Pg 0 0 0
IV.TERO.HHE. 2005-10-24T22:57:22.22 0.1 undecidable manual Sg 66 54.3012 -0.63 40
IV.NRCA.SHZ. 2005-10-24T22:57:20.39 0.1 undecidable manual Sg 12 46.2204 -0.062 48
IV.TERO.HHE. 2005-10-24T22:57:14.77 0.1 negative manual Pg 66 54.3012 -0.124 92
IV.MNS.BHZ. 2005-10-24T22:57:13.93 0.1 undecidable manual Sg 260 26.1516 -0.611 43
IV.NRCA.SHZ. 2005-10-24T22:57:13.51 0.1 undecidable manual Pg 12 46.2204 -0.043 96
IV.FIAM.HHZ. 2005-10-24T22:57:12.61 0.1 undecidable manual Sg 150 20.1687 -0.208 48
IV.LNSS.BHN. 2005-10-24T22:57:12.94 0.1 undecidable manual Sg 11 19.9689 0.187 49
IV.MNS.BHZ. 2005-10-24T22:57:10.23 0.1 undecidable manual Pg 260 26.1516 -0.003 100
IV.FIAM.HHZ. 2005-10-24T22:57:09.63 0.1 undecidable manual Pg 150 20.1687 0.371 95
IV.LNSS.BHN. 2005-10-24T22:57:09.64 0.1 undecidable manual Pg 11 19.9689 0.416 93
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