Earthquake with magnitude of Md 2.3 on date 03-10-1993 and time 19:31:08 (UTC) in region 4 km S Campello sul Clitunno (PG)

A magnitude Md 2.3 earthquake occured in region: 4 km S Campello sul Clitunno (PG), on

  • 03-10-1993 19:31:08 (UTC)
  • 03-10-1993 20:31:08 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7820, 12.7640 at 4 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
Campello sul Clitunno PG 5 2442 2442
Spoleto PG 6 38218 40660
Sant'Anatolia di Narco PG 8 564 41224
Vallo di Nera PG 8 364 41588
Castel Ritaldi PG 9 3278 44866
Scheggino PG 9 461 45327
Trevi PG 11 8469 53796
Cerreto di Spoleto PG 13 1075 54871
Montefalco PG 16 5679 60550
Poggiodomo PG 16 117 60667
Giano dell'Umbria PG 16 3846 64513
Ferentillo TR 18 1913 66426
Sellano PG 18 1079 67505
Massa Martana PG 20 3770 71275
Foligno PG 20 57155 128430

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km S of Foligno (57155 inhabitants)
26 Km NE of Terni (111501 inhabitants)
47 Km SE of Perugia (166134 inhabitants)
67 Km NE of Viterbo (67173 inhabitants)
71 Km NW of L'Aquila (69753 inhabitants)
78 Km W of Teramo (54892 inhabitants)
87 Km N of Guidonia Montecelio (88673 inhabitants)
91 Km N of Tivoli (56533 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 1993-10-03
19:31:08
42.782 12.764 4 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 197449
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1993-10-03 19:31:08 ± 0.144
Latitude 42.7820 ± 0.0055
Longitude 12.7640 ± 0.0230
Depth (km) 4 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 197449

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) 1977.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 136
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) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00259
Epicentral distance of station farthest from the epicenter (degree) 0.00923
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:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 197449
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 20:05:36
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.CRE.Z. 1993-10-03T19:31:44.59 10.0 undecidable manual SG 324 1.0212 -0.26 0.3
--.ARV.Z. 1993-10-03T19:31:35.20 10.0 undecidable manual SG 10 0.7326 -0.29 0.5
--.AQU.Z. 1993-10-03T19:31:32.14 10.0 undecidable manual SG 132 0.6327 -0.16 0.8
--.CRE.Z. 1993-10-03T19:31:30.39 10.0 undecidable manual PG 324 1.0212 0.77 0.5
--.MNS.Z. 1993-10-03T19:31:24.46 10.0 undecidable manual SG 188 0.3996 0.12 0.9
--.ARV.Z. 1993-10-03T19:31:23.88 10.0 undecidable manual PG 10 0.7326 -0.23 1.6
--.AQU.Z. 1993-10-03T19:31:22.86 10.0 undecidable manual PG 132 0.6327 0.48 1.2
--.ASS.Z. 1993-10-03T19:31:20.23 10.0 undecidable manual SG 343 0.2886 0.08 0.9
--.MNS.Z. 1993-10-03T19:31:17.36 10.0 undecidable manual PG 188 0.3996 -0.42 1.2
--.ASS.Z. 1993-10-03T19:31:15.40 10.0 undecidable manual PG 343 0.2886 0.04 2.3
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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