Earthquake with magnitude of Md 2.7 on date 03-11-1986 and time 09:45:09 (Italy) in region 3 km N Rieti (RI)

A magnitude Md 2.7 earthquake occured in region: 3 km N Rieti (RI), on

  • 03-11-1986 08:45:09 (UTC)
  • 03-11-1986 09:45:09 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.43, 12.86 at 5 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
Rieti RI 3 47698 47698
Cantalice RI 6 2755 50453
Greccio RI 8 1558 52011
Contigliano RI 8 3783 55794
Poggio Bustone RI 8 2055 57849
Cittaducale RI 9 6828 64677
Rivodutri RI 10 1253 65930
Colli sul Velino RI 10 533 66463
Morro Reatino RI 11 373 66836
Labro RI 12 374 67210
Belmonte in Sabina RI 13 636 67846
Monte San Giovanni in Sabina RI 13 714 68560
Cottanello RI 14 563 69123
Castel Sant'Angelo RI 15 1308 70431
Montasola RI 15 395 70826
Concerviano RI 16 291 71117
Micigliano RI 17 127 71244
Borgo Velino RI 17 972 72216
Montenero Sabino RI 17 299 72515
Leonessa RI 17 2435 74950
Polino TR 17 233 75183
Configni RI 18 633 75816
Stroncone TR 18 4917 80733
Roccantica RI 18 563 81296
Casperia RI 18 1246 82542
Rocca Sinibalda RI 18 815 83357
Arrone TR 18 2763 86120
Antrodoco RI 19 2588 88708
Vacone RI 19 256 88964
Torricella in Sabina RI 19 1342 90306
Poggio San Lorenzo RI 20 589 90895
Torri in Sabina RI 20 1256 92151
Longone Sabino RI 20 597 92748
Montefranco TR 20 1276 94024

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km SE of Terni (111501 inhabitants)
46 Km W of L'Aquila (69753 inhabitants)
49 Km N of Guidonia Montecelio (88673 inhabitants)
52 Km N of Tivoli (56533 inhabitants)
60 Km S of Foligno (57155 inhabitants)
62 Km E of Viterbo (67173 inhabitants)
67 Km NE of Roma (2864731 inhabitants)
74 Km W of Teramo (54892 inhabitants)
83 Km N of Velletri (53303 inhabitants)
84 Km SE of Perugia (166134 inhabitants)
89 Km NE of Fiumicino (78395 inhabitants)
89 Km NE of Pomezia (62966 inhabitants)
95 Km N of Aprilia (73446 inhabitants)
95 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
Rev 1000 Md 2.7 1986-11-03
08:45:09
42.43 12.86 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 36659
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-11-03 08:45:09 ± 0.207
Latitude 42.43 ± 0.01
Longitude 12.86 ± 0.02
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 36659

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) 1992.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 156
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
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) 0.00364
Epicentral distance of station farthest from the epicenter (degree) 0.01271
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

Md:2.7

Field Value
Value 2.7
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 36659
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:36:49
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.ARV.Z. 1986-11-03T08:45:47.50 10.0 undecidable manual SG 3 0.0096 0.99 0.2
--.SD1.Z. 1986-11-03T08:45:44.50 10.0 undecidable manual SG 135 0.0091 -0.15 1.1
--.DUI.Z. 1986-11-03T08:45:36.00 10.0 undecidable manual PN 122 0.0127 0.38 1.2
--.ASS.Z. 1986-11-03T08:45:33.50 10.0 undecidable manual SG 347 0.0058 0.49 0.5
--.SD1.Z. 1986-11-03T08:45:30.50 10.0 undecidable manual PG 135 0.0091 0.78 0.7
--.ARV.Z. 1986-11-03T08:45:30.20 10.0 undecidable manual PG 3 0.0096 -0.6 1
--.AQU.Z. 1986-11-03T08:45:25.00 10.0 undecidable manual SG 101 0.0036 -0.22 0.8
--.RMP.Z. 1986-11-03T08:45:22.50 10.0 undecidable manual PG 190 0.0057 -0.17 1.9
--.ASS.Z. 1986-11-03T08:45:22.50 10.0 undecidable manual PG 347 0.0058 -0.5 1.3
--.AQU.Z. 1986-11-03T08:45:18.00 10.0 undecidable manual PG 101 0.0036 -0.5 1.3
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
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