Earthquake with magnitude of Md 2.3 on date 13-12-2004 and time 19:50:59 (Italy) in region 2 km SE Antrodoco (RI)

A magnitude Md 2.3 earthquake occured in region: 2 km SE Antrodoco (RI), on

  • 13-12-2004 18:50:59 (UTC)
  • 13-12-2004 19:50:59 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.4000, 13.0950 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
Antrodoco RI 2 2588 2588
Borgo Velino RI 3 972 3560
Castel Sant'Angelo RI 5 1308 4868
Micigliano RI 7 127 4995
Petrella Salto RI 12 1197 6192
Cittaducale RI 12 6828 13020
Concerviano RI 12 291 13311
Cagnano Amiterno AQ 13 1369 14680
Borbona RI 13 617 15297
Scoppito AQ 14 3727 19024
Posta RI 14 694 19718
Fiamignano RI 15 1413 21131
Barete AQ 16 737 21868
Pizzoli AQ 17 4326 26194
Cantalice RI 17 2755 28949
Longone Sabino RI 18 597 29546
Montereale AQ 19 2581 32127
Varco Sabino RI 19 187 32314
Belmonte in Sabina RI 19 636 32950
Rieti RI 19 47698 80648
Marcetelli RI 20 89 80737
Rocca Sinibalda RI 20 815 81552

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km W of L'Aquila (69753 inhabitants)
41 Km E of Terni (111501 inhabitants)
54 Km NE of Guidonia Montecelio (88673 inhabitants)
54 Km NE of Tivoli (56533 inhabitants)
58 Km SW of Teramo (54892 inhabitants)
70 Km SE of Foligno (57155 inhabitants)
76 Km NE of Roma (2864731 inhabitants)
81 Km E of Viterbo (67173 inhabitants)
83 Km NE of Velletri (53303 inhabitants)
88 Km W of Montesilvano (53738 inhabitants)
88 Km W of Chieti (51815 inhabitants)
92 Km W of Pescara (121014 inhabitants)
95 Km NE of Pomezia (62966 inhabitants)
97 Km NE of Aprilia (73446 inhabitants)
98 Km SE of Perugia (166134 inhabitants)
99 Km NE of Fiumicino (78395 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 2004-12-13
18:50:59
42.4 13.095 17 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 509629
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2004-12-13 18:50:59 ± 0.168
Latitude 42.4000 ± 0.0078
Longitude 13.0950 ± 0.0102
Depth (km) 17 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 509629

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) 1206.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 81
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
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) 0.00113
Epicentral distance of station farthest from the epicenter (degree) 0.00769
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

Md:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 509629
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 01:08:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.SNTG.Z. 2004-12-13T18:51:29.80 10.0 undecidable manual SN 352 0.8547 0.02 0.4
--.CERT.N. 2004-12-13T18:51:16.70 10.0 undecidable manual SG 190 0.444 -0.28 0.2
--.SNTG.Z. 2004-12-13T18:51:16.23 10.0 undecidable manual PN? 352 0.8547 -0.34 0.2
--.TERO.N. 2004-12-13T18:51:15.14 10.0 undecidable manual SG 59 0.4329 -0.53 0.2
--.MNS.Z. 2004-12-13T18:51:11.30 10.0 undecidable manual SG 267 0.2997 -0.34 0.6
--.CAMP.E. 2004-12-13T18:51:10.34 10.0 undecidable manual SG 59 0.2553 -0.19 0.7
--.CERT.Z. 2004-12-13T18:51:09.60 10.0 undecidable manual PG 190 0.444 -0.18 0.7
--.TERO.Z. 2004-12-13T18:51:08.34 10.0 undecidable manual PG 59 0.4329 -0.5 0.4
--.LNSS.N. 2004-12-13T18:51:08.57 10.0 undecidable manual SG 348 0.1998 -0.17 0.4
--.MNS.Z. 2004-12-13T18:51:06.61 10.0 undecidable manual PG 267 0.2997 0.09 1.7
--.FIAM.N. 2004-12-13T18:51:06.55 10.0 undecidable manual SG 172 0.1221 -0.31 0.6
--.AQU.Z. 2004-12-13T18:51:06.22 10.0 undecidable manual PG 101 0.222 0.96 0.3
--.CAMP.Z. 2004-12-13T18:51:05.90 10.0 positive manual PG 59 0.2553 0.02 3.4
--.LNSS.Z. 2004-12-13T18:51:04.96 10.0 positive manual PG 348 0.1998 0.11 2.7
--.FIAM.Z. 2004-12-13T18:51:03.89 10.0 negative manual PG 172 0.1221 0.13 2.7
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