Earthquake with magnitude of Md 2.5 on date 07-05-1985 and time 13:24:42 (Italy) in region 4 km NE Configni (RI)

A magnitude Md 2.5 earthquake occured in region: 4 km NE Configni (RI), on

  • 07-05-1985 11:24:42 (UTC)
  • 07-05-1985 13:24:42 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.4440, 12.6850 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
Configni RI 4 633 633
Cottanello RI 4 563 1196
Montasola RI 6 395 1591
Stroncone TR 6 4917 6508
Greccio RI 7 1558 8066
Vacone RI 8 256 8322
Contigliano RI 8 3783 12105
Colli sul Velino RI 10 533 12638
Calvi dell'Umbria TR 11 1856 14494
Torri in Sabina RI 11 1256 15750
Montebuono RI 11 883 16633
Casperia RI 12 1246 17879
Tarano RI 12 1444 19323
Labro RI 13 374 19697
Terni TR 13 111501 131198
Roccantica RI 14 563 131761
Selci RI 15 1106 132867
Monte San Giovanni in Sabina RI 15 714 133581
Rieti RI 15 47698 181279
Morro Reatino RI 15 373 181652
Cantalupo in Sabina RI 15 1685 183337
Collevecchio RI 16 1577 184914
Narni TR 16 19785 204699
Rivodutri RI 16 1253 205952
Poggio Catino RI 17 1341 207293
Otricoli TR 17 1869 209162
Arrone TR 17 2763 211925
Forano RI 18 3179 215104
Poggio Bustone RI 18 2055 217159
Cantalice RI 18 2755 219914
Montefranco TR 18 1276 221190
Stimigliano RI 19 2328 223518
Magliano Sabina RI 19 3774 227292
Poggio Mirteto RI 20 6315 233607

Municipalities with at least 50000 inhabitants

An earthquake occurred to
13 Km S of Terni (111501 inhabitants)
48 Km E of Viterbo (67173 inhabitants)
49 Km N of Guidonia Montecelio (88673 inhabitants)
54 Km N of Tivoli (56533 inhabitants)
57 Km S of Foligno (57155 inhabitants)
60 Km W of L'Aquila (69753 inhabitants)
63 Km N of Roma (2864731 inhabitants)
78 Km SE of Perugia (166134 inhabitants)
83 Km E of Civitavecchia (52991 inhabitants)
83 Km NE of Fiumicino (78395 inhabitants)
85 Km N of Velletri (53303 inhabitants)
87 Km W of Teramo (54892 inhabitants)
87 Km N of Pomezia (62966 inhabitants)
94 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 2.5 1985-05-07
11:24:42
42.444 12.685 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 5979
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-05-07 11:24:42 ± 0.389
Latitude 42.4440 ± 0.0244
Longitude 12.6850 ± 0.0554
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 5979

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) 5294.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 152
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) 0.6
Epicentral distance of station closest to the epicenter (degree) 0.00049
Epicentral distance of station farthest from the epicenter (degree) 0.01166
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 5979
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:10:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.CH1.Z. 1985-05-07T11:25:07.50 10.0 undecidable manual PN 335 1.2987 0.71 0.8
--.AR1.Z. 1985-05-07T11:25:05.50 10.0 undecidable manual PN 10 1.0656 1.86 0.2
--.AS1.Z. 1985-05-07T11:25:04.50 10.0 undecidable manual SG 357 0.6105 -0.16 0.6
--.AS1.Z. 1985-05-07T11:24:53.50 10.0 undecidable manual PG 357 0.6105 -1.96 0.3
--.PO9.Z. 1985-05-07T11:24:52.20 10.0 undecidable manual SG 55 0.222 0.02 0.7
--.PO9.Z. 1985-05-07T11:24:48.00 10.0 undecidable manual PG 55 0.222 -0.25 1.6
--.MNS.Z. 1985-05-07T11:24:47.00 10.0 undecidable manual SG 183 0.0555 -0.03 0.7
--.MNS.Z. 1985-05-07T11:24:45.00 10.0 negative manual PG 183 0.0555 -0.28 3.2
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