Earthquake with magnitude of Md 2.4 on date 04-06-1985 and time 06:16:53 (Italy) in region 1 km NW Corchiano (VT)

A magnitude Md 2.4 earthquake occured in region: 1 km NW Corchiano (VT), on

  • 04-06-1985 04:16:53 (UTC)
  • 04-06-1985 06:16:53 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.3530, 12.3480 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
Corchiano VT 1 3869 3869
Fabrica di Roma VT 5 8340 12209
Gallese VT 5 2849 15058
Vignanello VT 7 4652 19710
Carbognano VT 7 1995 21705
Vasanello VT 7 4068 25773
Vallerano VT 8 2621 28394
Civita Castellana VT 9 16491 44885
Caprarola VT 9 5487 50372
Canepina VT 10 3082 53454
Magliano Sabina RI 11 3774 57228
Castel Sant'Elia VT 12 2683 59911
Soriano nel Cimino VT 12 8403 68314
Nepi VT 12 9687 78001
Orte VT 13 8923 86924
Ronciglione VT 13 8669 95593
Bassano in Teverina VT 13 1313 96906
Otricoli TR 13 1869 98775
Penna in Teverina TR 16 1099 99874
Sutri VT 16 6709 106583
Calcata VT 16 918 107501
Faleria VT 16 2179 109680
Mazzano Romano RM 17 3165 112845
Collevecchio RI 17 1577 114422
Bomarzo VT 17 1805 116227
Capranica VT 18 6487 122714
Giove TR 18 1928 124642
Monterosi VT 18 4448 129090
Attigliano TR 19 2028 131118
Calvi dell'Umbria TR 19 1856 132974
Stimigliano RI 19 2328 135302
Vitorchiano VT 19 5233 140535
Sant'Oreste RM 19 3687 144222
Rignano Flaminio RM 19 10277 154499
Bassano Romano VT 20 5000 159499

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km E of Viterbo (67173 inhabitants)
34 Km SW of Terni (111501 inhabitants)
50 Km NW of Guidonia Montecelio (88673 inhabitants)
52 Km N of Roma (2864731 inhabitants)
54 Km NE of Civitavecchia (52991 inhabitants)
57 Km NW of Tivoli (56533 inhabitants)
65 Km N of Fiumicino (78395 inhabitants)
73 Km SW of Foligno (57155 inhabitants)
77 Km N of Pomezia (62966 inhabitants)
82 Km NW of Velletri (53303 inhabitants)
84 Km S of Perugia (166134 inhabitants)
86 Km W of L'Aquila (69753 inhabitants)
88 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 2.4 1985-06-04
04:16:53
42.353 12.348 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 7939
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-06-04 04:16:53 ± 0.708
Latitude 42.3530 ± 0.0352
Longitude 12.3480 ± 0.0349
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 7939

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) 4851.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 284
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) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00437
Epicentral distance of station farthest from the epicenter (degree) 0.01174
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:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 7939
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:12:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.CH1.Z. 1985-06-04T04:17:34.00 10.0 undecidable manual SN 347 1.2987 -1.1 0.1
--.AR1.Z. 1985-06-04T04:17:33.00 10.0 undecidable manual SN 20 1.221 -0.15 0.6
--.AS1.Z. 1985-06-04T04:17:19.50 10.0 undecidable manual SG 17 0.7326 0.18 0.7
--.CH1.Z. 1985-06-04T04:17:17.00 10.0 undecidable manual PN 347 1.2987 -0.54 1
--.AR1.Z. 1985-06-04T04:17:17.50 10.0 undecidable manual PN 20 1.221 1.08 0.3
--.PO9.Z. 1985-06-04T04:17:11.00 10.0 undecidable manual SG 63 0.4884 -0.21 1
--.AS1.Z. 1985-06-04T04:17:09.00 10.0 undecidable manual PG 17 0.7326 0.57 1.2
--.PO9.Z. 1985-06-04T04:17:03.50 10.0 positive manual PG 63 0.4884 -0.25 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