Earthquake with magnitude of Md 2.3 on date 07-04-1985 and time 12:11:06 (Italy) in region 5 km NW Configni (RI)

A magnitude Md 2.3 earthquake occured in region: 5 km NW Configni (RI), on

  • 07-04-1985 10:11:06 (UTC)
  • 07-04-1985 12:11:06 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.4590, 12.5980 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 5 633 633
Calvi dell'Umbria TR 7 1856 2489
Stroncone TR 7 4917 7406
Vacone RI 9 256 7662
Cottanello RI 9 563 8225
Narni TR 10 19785 28010
Montebuono RI 10 883 28893
Otricoli TR 11 1869 30762
Montasola RI 11 395 31157
Tarano RI 11 1444 32601
Terni TR 12 111501 144102
Torri in Sabina RI 12 1256 145358
Greccio RI 14 1558 146916
Collevecchio RI 14 1577 148493
Magliano Sabina RI 14 3774 152267
Casperia RI 15 1246 153513
Contigliano RI 15 3783 157296
Selci RI 16 1106 158402
Colli sul Velino RI 16 533 158935
Roccantica RI 17 563 159498
Cantalupo in Sabina RI 17 1685 161183
Orte VT 17 8923 170106
San Gemini TR 18 5018 175124
Forano RI 18 3179 178303
Stimigliano RI 18 2328 180631
Labro RI 18 374 181005
Gallese VT 19 2849 183854
Amelia TR 19 11897 195751
Poggio Catino RI 20 1341 197092
Arrone TR 20 2763 199855

Municipalities with at least 50000 inhabitants

An earthquake occurred to
12 Km SW of Terni (111501 inhabitants)
41 Km E of Viterbo (67173 inhabitants)
52 Km N of Guidonia Montecelio (88673 inhabitants)
56 Km S of Foligno (57155 inhabitants)
57 Km N of Tivoli (56533 inhabitants)
64 Km N of Roma (2864731 inhabitants)
67 Km W of L'Aquila (69753 inhabitants)
74 Km S of Perugia (166134 inhabitants)
78 Km NE of Civitavecchia (52991 inhabitants)
82 Km NE of Fiumicino (78395 inhabitants)
87 Km N of Velletri (53303 inhabitants)
88 Km N of Pomezia (62966 inhabitants)
93 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 1985-04-07
10:11:06
42.459 12.598 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 4319
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-04-07 10:11:06 ± 0.703
Latitude 42.4590 ± 0.0254
Longitude 12.5980 ± 0.0726
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 4319

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) 6591.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 223
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) 0.7
Epicentral distance of station closest to the epicenter (degree) 0.00081
Epicentral distance of station farthest from the epicenter (degree) 0.01052
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 3
Type of magnitude Md
Reference to an origin 4319
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:08:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.SD1.Z. 1985-04-07T10:11:30.00 10.0 undecidable manual PN 129 1.1655 1.52 0.2
--.AS1.Z. 1985-04-07T10:11:29.00 10.0 undecidable manual SG 3 0.5994 1.33 0.2
--.PO9.Z. 1985-04-07T10:11:18.00 10.0 undecidable manual SG 65 0.2664 0.79 0.5
--.AS1.Z. 1985-04-07T10:11:18.00 10.0 undecidable manual PG 3 0.5994 -0.66 1.2
--.PO9.Z. 1985-04-07T10:11:11.50 10.0 undecidable manual PG 65 0.2664 -1.13 0.8
--.MNS.Z. 1985-04-07T10:11:11.00 10.0 undecidable manual SG 140 0.0888 -0.43 0.6
--.MNS.Z. 1985-04-07T10:11:09.00 10.0 positive manual PG 140 0.0888 -0.29 3.4
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download