Earthquake with magnitude of Md 2.8 on date 05-11-1997 and time 00:16:32 (Italy) in region 8 km W Monte Cavallo (MC)

A magnitude Md 2.8 earthquake occured in region: 8 km W Monte Cavallo (MC), on

  • 04-11-1997 23:16:32 (UTC)
  • 05-11-1997 00:16:32 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.985, 12.907 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
Monte Cavallo MC 8 145 145
Serravalle di Chienti MC 11 1070 1215
Sellano PG 11 1079 2294
Pieve Torina MC 14 1458 3752
Valtopina PG 15 1398 5150
Muccia MC 16 915 6065
Preci PG 16 724 6789
Fiordimonte MC 16 202 6991
Visso MC 16 1107 8098
Foligno PG 17 57155 65253
Pievebovigliana MC 17 866 66119
Nocera Umbra PG 17 5839 71958
Trevi PG 18 8469 80427
Cerreto di Spoleto PG 18 1075 81502
Sefro MC 18 422 81924
Spello PG 19 8645 90569
Ussita MC 19 444 91013

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km E of Foligno (57155 inhabitants)
44 Km E of Perugia (166134 inhabitants)
52 Km NE of Terni (111501 inhabitants)
75 Km W of Teramo (54892 inhabitants)
81 Km NW of L'Aquila (69753 inhabitants)
86 Km SW of Ancona (100861 inhabitants)
91 Km NE of Viterbo (67173 inhabitants)
96 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 2.8
ML-VAX 1.7
1997-11-04
23:16:32
42.985 12.907 4 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 309829
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-11-04 23:16:32 ± 0.172
Latitude 42.9850 ± 0.0100
Longitude 12.9070 ± 0.0175
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 309829

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) 1804.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 129
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) 0.4
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 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 4
Type of magnitude Md
Reference to an origin 309829
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:50:41

ML:1.7

Field Value
Value 1.7
Uncertainty
Num. used stations 5
Type of magnitude ML
Reference to an origin 309829
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
--.AQU.Z. 1997-11-04T23:16:59.80 10.0 undecidable manual SG 149 0.0066 1.21 0.1
--.FB9.Z. 1997-11-04T23:16:58.60 10.0 undecidable manual SG 352 0.0064 -0.02 0.6
--.CSNT.Z. 1997-11-04T23:16:56.79 10.0 undecidable manual PN 292 0.0114 0.18 1.1
--.SFI.Z. 1997-11-04T23:16:56.47 10.0 undecidable manual PN 320 0.0108 0.9 0.4
--.RDP.Z. 1997-11-04T23:16:56.28 10.0 undecidable manual PN 186 0.0111 0.2 1.1
--.MNS.Z. 1997-11-04T23:16:54.10 10.0 undecidable manual SG 195 0.0056 -1.09 0.1
--.PQ9.Z. 1997-11-04T23:16:53.85 10.0 undecidable manual PG 158 0.0092 0.87 0.5
--.RSM.Z. 1997-11-04T23:16:52.00 10.0 undecidable manual PG 340 0.009 -0.42 1
--.CRE.Z. 1997-11-04T23:16:52.37 10.0 undecidable manual PG 312 0.0084 1.02 0.3
--.ARV.Z. 1997-11-04T23:16:50.94 10.0 undecidable manual SG 2 0.0046 -0.76 0.3
--.AQU.Z. 1997-11-04T23:16:47.45 10.0 undecidable manual PG 149 0.0066 0.05 1.5
--.FB9.Z. 1997-11-04T23:16:46.23 10.0 undecidable manual PG 352 0.0064 -0.88 0.6
--.MNS.Z. 1997-11-04T23:16:44.26 10.0 undecidable manual PG 195 0.0056 -1.19 0.3
--.SNTG.Z. 1997-11-04T23:16:43.15 10.0 undecidable manual SG 5 0.0024 0.52 0.5
--.ARV.Z. 1997-11-04T23:16:42.65 10.0 undecidable manual PG 2 0.0046 -0.78 0.7
--.NRCA.Z. 1997-11-04T23:16:40.00 10.0 undecidable manual SG 134 0.0019 -0.5 0.7
--.ASS.Z. 1997-11-04T23:16:39.74 10.0 undecidable manual SG 292 0.0018 -0.26 0.6
--.SNTG.Z. 1997-11-04T23:16:38.38 10.0 positive manual PG 5 0.0024 0.19 3.1
--.NRCA.Z. 1997-11-04T23:16:37.00 10.0 positive manual PG 134 0.0019 0.04 3.2
--.ASS.Z. 1997-11-04T23:16:36.71 10.0 negative manual PG 292 0.0018 0.03 3.2
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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