Earthquake with magnitude of Md 2.3 on date 28-11-1986 and time 03:36:08 (UTC) in region 4 km NW Configni (RI)

A magnitude Md 2.3 earthquake occured in region: 4 km NW Configni (RI), on

  • 28-11-1986 03:36:08 (UTC)
  • 28-11-1986 04:36:08 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.4550, 12.6240 at 15 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
Configni RI 4 633 633
Stroncone TR 6 4917 5550
Cottanello RI 7 563 6113
Calvi dell'Umbria TR 8 1856 7969
Vacone RI 8 256 8225
Montasola RI 9 395 8620
Montebuono RI 10 883 9503
Tarano RI 11 1444 10947
Torri in Sabina RI 11 1256 12203
Narni TR 11 19785 31988
Terni TR 12 111501 143489
Greccio RI 12 1558 145047
Otricoli TR 12 1869 146916
Contigliano RI 13 3783 150699
Casperia RI 14 1246 151945
Colli sul Velino RI 14 533 152478
Collevecchio RI 14 1577 154055
Selci RI 15 1106 155161
Magliano Sabina RI 16 3774 158935
Roccantica RI 16 563 159498
Cantalupo in Sabina RI 16 1685 161183
Labro RI 17 374 161557
Forano RI 18 3179 164736
Stimigliano RI 18 2328 167064
Poggio Catino RI 19 1341 168405
Arrone TR 19 2763 171168
San Gemini TR 19 5018 176186
Morro Reatino RI 19 373 176559
Monte San Giovanni in Sabina RI 19 714 177273
Orte VT 19 8923 186196
Montefranco TR 20 1276 187472

Municipalities with at least 50000 inhabitants

An earthquake occurred to
12 Km S of Terni (111501 inhabitants)
43 Km E of Viterbo (67173 inhabitants)
51 Km N of Guidonia Montecelio (88673 inhabitants)
56 Km S of Foligno (57155 inhabitants)
56 Km N of Tivoli (56533 inhabitants)
64 Km N of Roma (2864731 inhabitants)
65 Km W of L'Aquila (69753 inhabitants)
75 Km S of Perugia (166134 inhabitants)
79 Km NE of Civitavecchia (52991 inhabitants)
82 Km NE of Fiumicino (78395 inhabitants)
86 Km N of Velletri (53303 inhabitants)
88 Km N of Pomezia (62966 inhabitants)
91 Km W of Teramo (54892 inhabitants)
96 Km N of Aprilia (73446 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 1986-11-28
03:36:08
42.455 12.624 15 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 37559
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-11-28 03:36:08 ± 0.51
Latitude 42.4550 ± 0.0201
Longitude 12.6240 ± 0.0443
Depth (km) 15 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 37559

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) 4264.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 232
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00518
Epicentral distance of station farthest from the epicenter (degree) 0.01036
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitude information

Md:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 37559
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:37:42
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.SD1.Z. 1986-11-28T03:36:46.50 10.0 undecidable manual SN 130 1.1544 0.84 0.1
--.ARV.Z. 1986-11-28T03:36:44.00 10.0 undecidable manual SN 13 1.0656 0.33 0.3
--.SD1.Z. 1986-11-28T03:36:30.00 10.0 undecidable manual PN 130 1.1544 -0.05 1.8
--.ASS.Z. 1986-11-28T03:36:30.50 10.0 undecidable manual SG 2 0.5994 0.3 0.8
--.AQU.Z. 1986-11-28T03:36:29.50 10.0 undecidable manual SG 100 0.5772 0.1 0.4
--.ARV.Z. 1986-11-28T03:36:28.50 10.0 undecidable manual PN 13 1.0656 -0.4 2
--.ASS.Z. 1986-11-28T03:36:21.00 10.0 undecidable manual PG 2 0.5994 -0.13 1.8
--.AQU.Z. 1986-11-28T03:36:20.00 10.0 undecidable manual PG 100 0.5772 -0.67 0.7
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