Earthquake with magnitude of Md 2.4 on date 17-09-1994 and time 07:40:00 (Italy) in region 5 km SW Campello sul Clitunno (PG)

A magnitude Md 2.4 earthquake occured in region: 5 km SW Campello sul Clitunno (PG), on

  • 17-09-1994 05:40:00 (UTC)
  • 17-09-1994 07:40:00 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7840, 12.7410 at 5 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 5 38218 40660
Castel Ritaldi PG 7 3278 43938
Sant'Anatolia di Narco PG 10 564 44502
Vallo di Nera PG 10 364 44866
Trevi PG 11 8469 53335
Scheggino PG 11 461 53796
Montefalco PG 14 5679 59475
Giano dell'Umbria PG 14 3846 63321
Cerreto di Spoleto PG 15 1075 64396
Massa Martana PG 18 3770 68166
Poggiodomo PG 18 117 68283
Ferentillo TR 19 1913 70196
Acquasparta TR 19 4778 74974
Sellano PG 19 1079 76053
Foligno PG 19 57155 133208
Bevagna PG 20 5081 138289

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km S of Foligno (57155 inhabitants)
26 Km NE of Terni (111501 inhabitants)
46 Km SE of Perugia (166134 inhabitants)
66 Km NE of Viterbo (67173 inhabitants)
72 Km NW of L'Aquila (69753 inhabitants)
80 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 2.4
ML-VAX 2.0
1994-09-17
05:40:00
42.784 12.741 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 216539
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1994-09-17 05:40:00 ± 0.342
Latitude 42.7840 ± 0.0126
Longitude 12.7410 ± 0.0584
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 216539

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) 4966.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 139
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
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) 0.00251
Epicentral distance of station farthest from the epicenter (degree) 0.01198
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

Md:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 216539
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 20:24:22

ML:2.0

Field Value
Value 2.0
Uncertainty
Num. used stations 4
Type of magnitude ML
Reference to an origin 216539
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 13:07:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.CRE.Z. 1994-09-17T05:40:35.38 10.0 undecidable manual SG 325 1.0101 -0.2 0.7
--.SDI.Z. 1994-09-17T05:40:27.14 10.0 undecidable manual PN 143 1.332 1.85 0.3
--.ARV.Z. 1994-09-17T05:40:26.30 10.0 undecidable manual SG 11 0.7326 -0.42 0.7
--.CRE.Z. 1994-09-17T05:40:21.48 10.0 undecidable manual PG 325 1.0101 0.88 1.1
--.MNS.Z. 1994-09-17T05:40:15.00 10.0 undecidable manual SG 186 0.3996 -0.68 0.6
--.ARV.Z. 1994-09-17T05:40:14.32 10.0 undecidable manual PG 11 0.7326 -1.01 1
--.ASS.Z. 1994-09-17T05:40:11.57 10.0 undecidable manual SG 346 0.2775 0.27 0.8
--.MNS.Z. 1994-09-17T05:40:08.53 10.0 undecidable manual PG 186 0.3996 -0.59 1.6
--.ASS.Z. 1994-09-17T05:40:06.45 10.0 undecidable manual PG 346 0.2775 -0.13 2.2
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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