Earthquake with magnitude of Md 2.5 on date 19-09-1989 and time 08:32:52 (Italy) in region 2 km SW Cittaducale (RI)

A magnitude Md 2.5 earthquake occured in region: 2 km SW Cittaducale (RI), on

  • 19-09-1989 06:32:52 (UTC)
  • 19-09-1989 08:32:52 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.3720, 12.9350 at 10 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
Belmonte in Sabina RI 7 636 7464
Concerviano RI 7 291 7755
Rieti RI 7 47698 55453
Castel Sant'Angelo RI 8 1308 56761
Rocca Sinibalda RI 11 815 57576
Borgo Velino RI 11 972 58548
Cantalice RI 11 2755 61303
Longone Sabino RI 11 597 61900
Antrodoco RI 13 2588 64488
Micigliano RI 13 127 64615
Torricella in Sabina RI 13 1342 65957
Monte San Giovanni in Sabina RI 14 714 66671
Petrella Salto RI 14 1197 67868
Montenero Sabino RI 14 299 68167
Contigliano RI 14 3783 71950
Poggio San Lorenzo RI 15 589 72539
Poggio Bustone RI 15 2055 74594
Varco Sabino RI 16 187 74781
Greccio RI 16 1558 76339
Monteleone Sabino RI 17 1224 77563
Casaprota RI 17 744 78307
Rivodutri RI 17 1253 79560
Castel di Tora RI 18 288 79848
Colle di Tora RI 18 372 80220
Marcetelli RI 19 89 80309
Frasso Sabino RI 19 743 81052
Morro Reatino RI 19 373 81425
Colli sul Velino RI 19 533 81958
Poggio Moiano RI 19 2751 84709
Fiamignano RI 20 1413 86122
Salisano RI 20 567 86689

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km SE of Terni (111501 inhabitants)
38 Km W of L'Aquila (69753 inhabitants)
45 Km NE of Guidonia Montecelio (88673 inhabitants)
47 Km N of Tivoli (56533 inhabitants)
65 Km NE of Roma (2864731 inhabitants)
68 Km S of Foligno (57155 inhabitants)
68 Km E of Viterbo (67173 inhabitants)
71 Km W of Teramo (54892 inhabitants)
77 Km N of Velletri (53303 inhabitants)
86 Km NE of Pomezia (62966 inhabitants)
88 Km NE of Fiumicino (78395 inhabitants)
90 Km N of Aprilia (73446 inhabitants)
93 Km SE of Perugia (166134 inhabitants)
99 Km E of Civitavecchia (52991 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 2.5
ML-VAX 2.0
1989-09-19
06:32:52
42.372 12.935 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 99729
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1989-09-19 06:32:52 ± 0.397
Latitude 42.3720 ± 0.0215
Longitude 12.9350 ± 0.0289
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 99729

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) 3365.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 129
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 7
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) 0.00162
Epicentral distance of station farthest from the epicenter (degree) 0.00648
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitudes information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 99729
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:33:09

ML:2.0

Field Value
Value 2.0
Uncertainty
Num. used stations 2
Type of magnitude ML
Reference to an origin 99729
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(km) Takeoff_angle Residual Weight
--.ASS.Z. 1989-09-19T06:33:18.13 10.0 undecidable manual SG 343 0.7215 0.32 0.7
--.ALP.Z. 1989-09-19T06:33:13.50 10.0 undecidable manual SG 48 0.6105 -1.5 0.1
--.ALP.Z. 1989-09-19T06:33:06.26 10.0 undecidable manual PG 48 0.6105 0.92 0.8
--.ASS.Z. 1989-09-19T06:33:06.89 10.0 undecidable manual PG 343 0.7215 -0.33 1.7
--.CP9.Z. 1989-09-19T06:33:02.86 10.0 undecidable manual PG? 178 0.4995 -0.45 0.7
--.MNS.Z. 1989-09-19T06:33:00.31 10.0 undecidable manual SG 273 0.1776 -0.39 0.8
--.MNS.Z. 1989-09-19T06:32:57.55 10.0 undecidable manual PG 273 0.1776 0.21 2.2
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