Earthquake with magnitude of Md 2.9 on date 17-06-1999 and time 23:18:06 (Italy) in region 2 km E Cittaducale (RI)

A magnitude Md 2.9 earthquake occured in region: 2 km E Cittaducale (RI), on

  • 17-06-1999 21:18:06 (UTC)
  • 17-06-1999 23:18:06 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.4, 12.97 at 3 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 2 6828 6828
Castel Sant'Angelo RI 5 1308 8136
Borgo Velino RI 7 972 9108
Concerviano RI 8 291 9399
Rieti RI 9 47698 57097
Micigliano RI 9 127 57224
Antrodoco RI 9 2588 59812
Cantalice RI 10 2755 62567
Belmonte in Sabina RI 11 636 63203
Poggio Bustone RI 14 2055 65258
Longone Sabino RI 14 597 65855
Petrella Salto RI 14 1197 67052
Rocca Sinibalda RI 14 815 67867
Rivodutri RI 16 1253 69120
Contigliano RI 17 3783 72903
Torricella in Sabina RI 17 1342 74245
Posta RI 18 694 74939
Monte San Giovanni in Sabina RI 18 714 75653
Greccio RI 18 1558 77211
Varco Sabino RI 18 187 77398
Montenero Sabino RI 18 299 77697
Leonessa RI 18 2435 80132
Morro Reatino RI 18 373 80505
Borbona RI 19 617 81122
Poggio San Lorenzo RI 19 589 81711
Fiamignano RI 19 1413 83124
Colli sul Velino RI 19 533 83657
Marcetelli RI 20 89 83746

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km SE of Terni (111501 inhabitants)
36 Km W of L'Aquila (69753 inhabitants)
48 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)
71 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)
92 Km SE of Perugia (166134 inhabitants)
93 Km N of Aprilia (73446 inhabitants)
98 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
Rev 1000 Md 2.9
ML-VAX 2.0
1999-06-17
21:18:06
42.4 12.97 3 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 368999
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1999-06-17 21:18:06 ± 0.194
Latitude 42.40 ± 0.01
Longitude 12.97 ± 0.01
Depth (km) 3 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 368999

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) 1484.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 84
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00186
Epicentral distance of station farthest from the epicenter (degree) 0.01562
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 19
Magnitudes information

Md:2.9

Field Value
Value 2.9
Uncertainty
Num. used stations 13
Type of magnitude Md
Reference to an origin 368999
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 22:46:13

ML:2

Field Value
Value 2
Uncertainty
Num. used stations 12
Type of magnitude ML
Reference to an origin 368999
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 13:07:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.PGD.Z. 1999-06-17T21:18:38.43 10.0 undecidable manual PN 328 0.0156 0.53 0.8
--.SNTG.Z. 1999-06-17T21:18:37.89 10.0 undecidable manual SG 358 0.0077 0.19 0.6
--.SFI.Z. 1999-06-17T21:18:36.31 10.0 undecidable manual PN 331 0.0154 -1.29 0.2
--.CSNT.Z. 1999-06-17T21:18:36.20 10.0 undecidable manual PN 311 0.0147 -0.28 1.1
--.VTB1.Z. 1999-06-17T21:18:36.27 10.0 undecidable manual PN 133 0.0155 -1.55 0.1
--.CRE.Z. 1999-06-17T21:18:34.37 10.0 undecidable manual PN 328 0.0129 0.65 0.8
--.ASS.Z. 1999-06-17T21:18:32.85 10.0 undecidable manual SG 340 0.0063 0.04 0.6
--.FB9.Z. 1999-06-17T21:18:32.83 10.0 undecidable manual PN 353 0.0117 0.89 0.6
--.RFI.Z. 1999-06-17T21:18:32.98 10.0 undecidable manual PN 144 0.0119 0.66 0.8
--.CRVI.Z. 1999-06-17T21:18:31.90 10.0 undecidable manual PN 123 0.0108 1.41 0.2
--.PLI2.Z. 1999-06-17T21:18:30.62 10.0 undecidable manual PN 136 0.0106 0.32 1.3
--.RNI2.Z. 1999-06-17T21:18:29.51 10.0 undecidable manual PN 127 0.01 0.11 1.4
--.ARV.Z. 1999-06-17T21:18:28.36 10.0 undecidable manual PN 358 0.0099 -0.82 0.8
--.PQ9.Z. 1999-06-17T21:18:26.48 10.0 undecidable manual SG 139 0.0044 0.7 0.4
--.SDI.Z. 1999-06-17T21:18:25.29 10.0 undecidable manual PG 137 0.0083 -0.66 1.1
--.NRCA.Z. 1999-06-17T21:18:24.37 10.0 undecidable manual SG 13 0.004 0.22 0.6
--.SNTG.Z. 1999-06-17T21:18:24.13 10.0 undecidable manual PG 358 0.0077 -0.53 1.2
--.ASS.Z. 1999-06-17T21:18:21.65 10.0 undecidable manual PG 340 0.0063 -0.2 1.6
--.RDP.Z. 1999-06-17T21:18:21.29 10.0 undecidable manual PG 196 0.006 0.19 1.6
--.AQU.Z. 1999-06-17T21:18:19.15 10.0 undecidable manual SG 97 0.0028 -0.07 0.6
--.PQ9.Z. 1999-06-17T21:18:16.45 10.0 undecidable manual PG 139 0.0044 -1.33 0.3
--.NRCA.Z. 1999-06-17T21:18:16.89 10.0 undecidable manual PG 13 0.004 0.05 1.6
--.MNS.Z. 1999-06-17T21:18:15.34 10.0 undecidable manual SG 266 0.0019 0.14 0.6
--.AQU.Z. 1999-06-17T21:18:14.37 10.0 negative manual PG 97 0.0028 0.38 2.8
--.MNS.Z. 1999-06-17T21:18:11.84 10.0 negative manual PG 266 0.0019 0.17 3.1
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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