Earthquake with magnitude of ML 2.1 on date 04-11-2009 and time 07:14:40 (UTC) in region 8 km SE Antrodoco (RI)

A magnitude ML 2.1 earthquake occured in region: 8 km SE Antrodoco (RI), on

  • 04-11-2009 07:14:40 (UTC)
  • 04-11-2009 08:14:40 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.3630, 13.1350 at 17 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 8 2588 2588
Borgo Velino RI 8 972 3560
Petrella Salto RI 9 1197 4757
Castel Sant'Angelo RI 9 1308 6065
Scoppito AQ 10 3727 9792
Fiamignano RI 11 1413 11205
Micigliano RI 12 127 11332
Concerviano RI 13 291 11623
Cagnano Amiterno AQ 13 1369 12992
Cittaducale RI 16 6828 19820
Barete AQ 16 737 20557
Pizzoli AQ 16 4326 24883
Tornimparte AQ 16 3187 28070
Varco Sabino RI 17 187 28257
Marcetelli RI 17 89 28346
Borbona RI 17 617 28963
Longone Sabino RI 17 597 29560
Pescorocchiano RI 17 2075 31635
Posta RI 18 694 32329
Lucoli AQ 19 1011 33340
Rocca Sinibalda RI 20 815 34155

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km W of L'Aquila (69753 inhabitants)
46 Km E of Terni (111501 inhabitants)
52 Km NE of Tivoli (56533 inhabitants)
52 Km NE of Guidonia Montecelio (88673 inhabitants)
57 Km SW of Teramo (54892 inhabitants)
75 Km SE of Foligno (57155 inhabitants)
75 Km NE of Roma (2864731 inhabitants)
81 Km NE of Velletri (53303 inhabitants)
85 Km E of Viterbo (67173 inhabitants)
85 Km W of Chieti (51815 inhabitants)
85 Km W of Montesilvano (53738 inhabitants)
89 Km W of Pescara (121014 inhabitants)
93 Km NE of Pomezia (62966 inhabitants)
94 Km NE of Aprilia (73446 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 2.0
ML 2.1
2009-11-04
07:14:40
42.363 13.135 17 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 986249
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-11-04 07:14:40 ± 0.14
Latitude 42.3630 ± 0.0045
Longitude 13.1350 ± 0.0073
Depth (km) 17 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 986249

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 549
Semi-minor axis of confidence ellipse (meter) 342
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 87
Circular confidence region, given by single value of horizontal uncertainty (meter) 781.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 113
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.66370
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:2.1

Field Value
Value 2.1
Uncertainty 0.0
Num. used stations
Type of magnitude ML
Reference to an origin 986249
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 18:52:38

Md:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations
Type of magnitude Md
Reference to an origin 986249
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 18:52:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CESI.HHN. 2009-11-04T07:15:02.84 0.1 undecidable manual Sg 345 73.6707 0.344 83
IV.VCEL.EHE. 2009-11-04T07:15:01.97 10.0 undecidable manual Pg 0 0 0
IV.NRCA.HHZ. 2009-11-04T07:14:56.46 0.1 undecidable manual Sg 358 52.2033 -0.361 88
IV.CESX.HHZ. 2009-11-04T07:14:56.77 0.3 undecidable manual Sg 301 53.0025 -0.269 67
IV.TERO.HHN. 2009-11-04T07:14:55.52 0.1 undecidable manual Sg 53 47.9187 -0.181 91
IV.PTQR.SHZ. 2009-11-04T07:14:54.43 10.0 undecidable manual Pg 0 0 0
IV.SMA1.EHZ. 2009-11-04T07:14:52.31 0.1 undecidable manual Sg 29 33.8439 0.28 91
IV.FAGN.HHZ. 2009-11-04T07:14:52.82 0.3 undecidable manual Sg 106 38.3283 -0.367 66
IV.CESI.HHN. 2009-11-04T07:14:52.96 0.1 undecidable manual Pg 345 73.6707 -0.155 88
IV.CESX.HHZ. 2009-11-04T07:14:49.94 0.1 undecidable manual Pg 301 53.0025 -0.026 93
MN.AQU.HHN. 2009-11-04T07:14:49.72 10.0 undecidable manual Pg 0 0 0
IV.NRCA.HHZ. 2009-11-04T07:14:49.74 0.1 undecidable manual Pg 358 52.2033 -0.1 92
IV.TERO.HHN. 2009-11-04T07:14:49.18 0.1 undecidable manual Pg 53 47.9187 -0.013 94
IV.FAGN.HHZ. 2009-11-04T07:14:48.15 0.1 undecidable manual Pg 106 38.3283 0.409 89
IV.SMA1.EHZ. 2009-11-04T07:14:47.19 0.1 undecidable manual Pg 29 33.8439 0.116 94
IV.T0107.HLN. 2009-11-04T07:14:47.42 0.3 undecidable manual Sg 37 15.2736 -0.145 72
IV.T0104.HHE. 2009-11-04T07:14:47.90 0.6 undecidable manual Sg 91 16.6722 0.041 50
IV.FIAM.HHZ. 2009-11-04T07:14:46.45 0.1 undecidable manual Sg 188 10.6782 -0.267 93
IV.T0104.HHE. 2009-11-04T07:14:44.94 0.1 undecidable manual Pg 91 16.6722 0.274 95
IV.FIAM.HHZ. 2009-11-04T07:14:44.22 0.1 undecidable manual Pg 188 10.6782 0.215 98
IV.T0107.HLN. 2009-11-04T07:14:44.51 0.1 undecidable manual Pg 37 15.2736 0.014 100
IV.ORI.HHE. 2009-11-04T07:14:30.42 10.0 undecidable manual Pg 0 0 0
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
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