Earthquake with magnitude of Md 2.8 on date 10-09-1997 and time 08:58:01 (Italy) in region 7 km W Monte Cavallo (MC)

A magnitude Md 2.8 earthquake occured in region: 7 km W Monte Cavallo (MC), on

  • 10-09-1997 06:58:01 (UTC)
  • 10-09-1997 08:58:01 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43, 12.91 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
Monte Cavallo MC 7 145 145
Serravalle di Chienti MC 8 1070 1215
Pieve Torina MC 12 1458 2673
Sellano PG 13 1079 3752
Muccia MC 14 915 4667
Valtopina PG 14 1398 6065
Fiordimonte MC 15 202 6267
Pievebovigliana MC 15 866 7133
Nocera Umbra PG 16 5839 12972
Sefro MC 16 422 13394
Visso MC 16 1107 14501
Preci PG 17 724 15225
Foligno PG 18 57155 72380
Camerino MC 19 6974 79354
Trevi PG 19 8469 87823
Ussita MC 20 444 88267
Spello PG 20 8645 96912

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km E of Foligno (57155 inhabitants)
44 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)
98 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
Rev 1000 Md 2.8
ML-VAX 2.6
1997-09-10
06:58:01
43 12.91 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 277429
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-09-10 06:58:01 ± 0.205
Latitude 43.00 ± 0.01
Longitude 12.91 ± 0.03
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 277429

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) 2590.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 138
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) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00178
Epicentral distance of station farthest from the epicenter (degree) 0.01935
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitudes information

Md:2.8

Field Value
Value 2.8
Uncertainty
Num. used stations 8
Type of magnitude Md
Reference to an origin 277429
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:22:05

ML:2.6

Field Value
Value 2.6
Uncertainty
Num. used stations 2
Type of magnitude ML
Reference to an origin 277429
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
--.RMP.Z. 1997-09-10T06:58:42.89 10.0 undecidable manual SN 187 0.0108 1.27 0.2
--.PQ9.Z. 1997-09-10T06:58:37.40 10.0 undecidable manual SG 159 0.0094 -0.55 0.5
--.RSM.Z. 1997-09-10T06:58:36.33 10.0 undecidable manual SG 340 0.0088 0.69 0.4
--.GU9.Z. 1997-09-10T06:58:36.66 10.0 undecidable manual PN 309 0.0193 -0.94 0.5
--.CRVI.Z. 1997-09-10T06:58:30.22 10.0 undecidable manual PN 140 0.0147 -0.34 1.1
--.AQU.Z. 1997-09-10T06:58:28.20 10.0 undecidable manual SG 150 0.0066 0.14 0.7
--.SDI.Z. 1997-09-10T06:58:28.57 10.0 undecidable manual PN 152 0.013 0.59 1
--.CSNT.Z. 1997-09-10T06:58:25.22 10.0 undecidable manual PN 291 0.0114 -0.26 1.4
--.SFI.Z. 1997-09-10T06:58:25.10 10.0 undecidable manual PN 319 0.0106 0.69 1
--.RDP.Z. 1997-09-10T06:58:25.88 10.0 undecidable manual PN 186 0.0113 0.64 1
--.RMP.Z. 1997-09-10T06:58:24.63 10.0 undecidable manual PN 187 0.0108 0.09 1.5
--.MNS.Z. 1997-09-10T06:58:24.50 10.0 undecidable manual SG 195 0.0057 -0.63 0.5
--.RSM.Z. 1997-09-10T06:58:23.30 10.0 undecidable manual PG 340 0.0088 1.95 0.1
--.PQ9.Z. 1997-09-10T06:58:21.71 10.0 undecidable manual PG 159 0.0094 -0.5 1.3
--.ARV.Z. 1997-09-10T06:58:19.47 10.0 undecidable manual SG 2 0.0045 -0.49 0.5
--.AQU.Z. 1997-09-10T06:58:16.61 10.0 undecidable manual PG 150 0.0066 0.01 1.7
--.MNS.Z. 1997-09-10T06:58:14.45 10.0 undecidable manual PG 195 0.0057 -0.3 1.6
--.ARV.Z. 1997-09-10T06:58:11.19 10.0 positive manual PG 2 0.0045 -0.84 1.8
--.ASS.Z. 1997-09-10T06:58:07.47 10.0 undecidable manual SG 286 0.0018 -1.63 0.1
--.ASS.Z. 1997-09-10T06:58:06.20 10.0 negative manual PG 286 0.0018 0.26 3.2
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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