Earthquake with magnitude of ML-MEDNET 5.4 on date 07-10-1997 and time 01:24:51 (Italy) in region 7 km W Monte Cavallo (MC)

A magnitude ML-MEDNET 5.4 earthquake occured in region: 7 km W Monte Cavallo (MC), on

  • 06-10-1997 23:24:51 (UTC)
  • 07-10-1997 01:24:51 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.01, 12.92 at 3 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
Monte Cavallo MC 7 145 145
Serravalle di Chienti MC 8 1070 1215
Pieve Torina MC 12 1458 2673
Muccia MC 13 915 3588
Sellano PG 13 1079 4667
Valtopina PG 14 1398 6065
Fiordimonte MC 14 202 6267
Pievebovigliana MC 15 866 7133
Nocera Umbra PG 15 5839 12972
Sefro MC 16 422 13394
Visso MC 16 1107 14501
Preci PG 18 724 15225
Foligno PG 18 57155 72380
Camerino MC 19 6974 79354
Ussita MC 19 444 79798
Fiastra MC 20 559 80357
Pioraco MC 20 1134 81491
Fiuminata MC 20 1402 82893

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km E of Foligno (57155 inhabitants)
44 Km E of Perugia (166134 inhabitants)
55 Km NE of Terni (111501 inhabitants)
75 Km NW of Teramo (54892 inhabitants)
83 Km NW of L'Aquila (69753 inhabitants)
83 Km SW of Ancona (100861 inhabitants)
93 Km S of Fano (60888 inhabitants)
93 Km NE of Viterbo (67173 inhabitants)
98 Km SE of Arezzo (99543 inhabitants)
100 Km S of Pesaro (94582 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
Rev 1000 ML-MEDNET 5.4 1997-10-06
23:24:51
43.01 12.92 3 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 291189
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-10-06 23:24:51 ± 0.173
Latitude 43.01 ± 0.01
Longitude 12.92 ± 0.01
Depth (km) 3 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 291189

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) 1252.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 149
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
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) 0.00178
Epicentral distance of station farthest from the epicenter (degree) 0.01311
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitude information

ML:5.4

Field Value
Value 5.4
Uncertainty
Num. used stations
Type of magnitude ML
Reference to an origin 291189
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 10:37:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.CRE.Z. 1997-10-06T23:25:24.48 10.0 undecidable manual SG 311 0.0083 -0.08 0.5
--.SDI.Z. 1997-10-06T23:25:19.51 10.0 undecidable manual PN 152 0.0131 0.9 0.1
--.AQU.Z. 1997-10-06T23:25:18.86 10.0 undecidable manual SG 151 0.0066 0.23 0.4
--.CSNT.Z. 1997-10-06T23:25:16.20 10.0 undecidable manual PN 291 0.0114 0.15 1
--.FB9.Z. 1997-10-06T23:25:16.60 10.0 undecidable manual SG 351 0.0062 -0.23 0.4
--.MNS.Z. 1997-10-06T23:25:16.00 10.0 undecidable manual SG 195 0.0058 0.49 0.2
--.RMP.Z. 1997-10-06T23:25:15.16 10.0 undecidable manual PN 187 0.0108 -0.04 1.1
--.PGD.Z. 1997-10-06T23:25:15.99 10.0 undecidable manual PN 315 0.011 0.56 0.3
--.RDP.Z. 1997-10-06T23:25:15.74 10.0 undecidable manual PN 186 0.0113 -0.16 1
--.SFI.Z. 1997-10-06T23:25:14.78 10.0 undecidable manual PN 319 0.0106 -0.07 1.1
--.PQ9.Z. 1997-10-06T23:25:12.19 10.0 undecidable manual PG 159 0.0094 -0.61 0.3
--.RSM.Z. 1997-10-06T23:25:11.62 10.0 positive manual PG 339 0.0087 0.13 2.4
--.ARV.Z. 1997-10-06T23:25:11.11 10.0 undecidable manual SG 2 0.0044 0.72 0.1
--.CRE.Z. 1997-10-06T23:25:10.14 10.0 undecidable manual PG 311 0.0083 -0.45 0.6
--.AQU.Z. 1997-10-06T23:25:07.28 10.0 negative manual PG 151 0.0066 0.11 2.6
--.FB9.Z. 1997-10-06T23:25:05.74 10.0 positive manual PG 351 0.0062 -0.38 1.6
--.MNS.Z. 1997-10-06T23:25:04.96 10.0 positive manual PG 195 0.0058 -0.41 1.5
--.ARV.Z. 1997-10-06T23:25:02.29 10.0 positive manual PG 2 0.0044 -0.13 2.5
--.ASS.Z. 1997-10-06T23:24:59.60 10.0 undecidable manual SG 285 0.0018 -0.27 0.4
--.ASS.Z. 1997-10-06T23:24:56.36 10.0 positive manual PG 285 0.0018 0.33 1.8
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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