Earthquake with magnitude of Md 3.1 on date 08-10-1997 and time 05:29:01 (Italy) in region 7 km W Monte Cavallo (MC)

A magnitude Md 3.1 earthquake occured in region: 7 km W Monte Cavallo (MC), on

  • 08-10-1997 03:29:01 (UTC)
  • 08-10-1997 05:29:01 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.006, 12.922 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 11 1458 2673
Sellano PG 13 1079 3752
Muccia MC 13 915 4667
Fiordimonte MC 14 202 4869
Pievebovigliana MC 15 866 5735
Valtopina PG 15 1398 7133
Sefro MC 16 422 7555
Visso MC 16 1107 8662
Nocera Umbra PG 16 5839 14501
Preci PG 17 724 15225
Foligno PG 19 57155 72380
Camerino MC 19 6974 79354
Ussita MC 19 444 79798
Fiastra MC 19 559 80357
Pioraco MC 20 1134 81491
Trevi PG 20 8469 89960

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km E of Foligno (57155 inhabitants)
45 Km E of Perugia (166134 inhabitants)
54 Km NE of Terni (111501 inhabitants)
75 Km NW of Teramo (54892 inhabitants)
83 Km NW of L'Aquila (69753 inhabitants)
84 Km SW of Ancona (100861 inhabitants)
93 Km NE of Viterbo (67173 inhabitants)
94 Km S of Fano (60888 inhabitants)
99 Km SE of Arezzo (99543 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 3.1
ML-VAX 2.0
1997-10-08
03:29:01
43.006 12.922 3 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 293059
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-10-08 03:29:01 ± 0.22
Latitude 43.0060 ± 0.0070
Longitude 12.9220 ± 0.0186
Depth (km) 3 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 293059

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) 1700
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 14
Number of defining phases 14
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) 0.01141
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

Md:3.1

Field Value
Value 3.1
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 293059
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:35:49

ML:2

Field Value
Value 2
Uncertainty
Num. used stations 6
Type of magnitude ML
Reference to an origin 293059
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 Takeoff_angle Residual Weight
--.FB9.Z. 1997-10-08T03:29:26.55 10.0 undecidable manual SG 351 0.0062 -0.4 0.4
--.CSNT.Z. 1997-10-08T03:29:26.26 10.0 undecidable manual PN 291 0.0114 0.16 1.3
--.RDP.Z. 1997-10-08T03:29:26.65 10.0 undecidable manual PN 186 0.0113 0.81 0.2
--.SFI.Z. 1997-10-08T03:29:25.15 10.0 undecidable manual PN 319 0.0107 0.24 1.2
--.MNS.Z. 1997-10-08T03:29:25.00 10.0 undecidable manual SG 195 0.0057 -0.42 0.4
--.PQ9.Z. 1997-10-08T03:29:22.28 10.0 undecidable manual PG 159 0.0094 -0.42 0.9
--.CRE.Z. 1997-10-08T03:29:20.39 10.0 undecidable manual PG 311 0.0083 -0.27 1.3
--.ARV.Z. 1997-10-08T03:29:20.70 10.0 undecidable manual SG 1 0.0044 0.22 0.6
--.AQU.Z. 1997-10-08T03:29:17.10 10.0 undecidable manual PG 151 0.0066 -0.06 1.8
--.MNS.Z. 1997-10-08T03:29:15.11 10.0 undecidable manual PG 195 0.0057 -0.19 1.6
--.FB9.Z. 1997-10-08T03:29:15.99 10.0 undecidable manual PG 351 0.0062 -0.19 1.6
--.ARV.Z. 1997-10-08T03:29:12.42 10.0 undecidable manual PG 1 0.0044 -0.03 1.8
--.ASS.Z. 1997-10-08T03:29:08.60 10.0 undecidable manual SG 285 0.0018 -0.84 0.1
--.ASS.Z. 1997-10-08T03:29:06.61 10.0 undecidable manual PG 285 0.0018 0.54 0.7
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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