Earthquake with magnitude of Md 3.6 on date 13-10-1997 and time 05:26:11 (Italy) in region 5 km SW Monte Cavallo (MC)

A magnitude Md 3.6 earthquake occured in region: 5 km SW Monte Cavallo (MC), on

  • 13-10-1997 03:26:11 (UTC)
  • 13-10-1997 05:26:11 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.952, 12.982 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 5 145 145
Sellano PG 8 1079 1224
Visso MC 9 1107 2331
Preci PG 9 724 3055
Pieve Torina MC 12 1458 4513
Ussita MC 13 444 4957
Fiordimonte MC 13 202 5159
Serravalle di Chienti MC 14 1070 6229
Pievebovigliana MC 15 866 7095
Muccia MC 15 915 8010
Castelsantangelo sul Nera MC 15 281 8291
Cerreto di Spoleto PG 16 1075 9366
Fiastra MC 17 559 9925
Acquacanina MC 18 121 10046
Norcia PG 20 4957 15003

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km E of Foligno (57155 inhabitants)
51 Km E of Perugia (166134 inhabitants)
51 Km NE of Terni (111501 inhabitants)
67 Km W of Teramo (54892 inhabitants)
75 Km NW of L'Aquila (69753 inhabitants)
86 Km SW of Ancona (100861 inhabitants)
93 Km NE of Viterbo (67173 inhabitants)
99 Km S of Fano (60888 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 3.6
ML-VAX 3.4
1997-10-13
03:26:11
42.952 12.982 3 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 297309
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-10-13 03:26:11 ± 0.277
Latitude 42.9520 ± 0.0065
Longitude 12.9820 ± 0.0192
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 297309

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) 1720.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 155
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
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) 0.00235
Epicentral distance of station farthest from the epicenter (degree) 0.01238
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:3.6

Field Value
Value 3.6
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 297309
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:39:34

ML:3.4

Field Value
Value 3.4
Uncertainty
Num. used stations 2
Type of magnitude ML
Reference to an origin 297309
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. 1997-10-13T03:26:37.90 10.0 undecidable manual SG 348 0.0067 -0.58 0.2
--.SDI.Z. 1997-10-13T03:26:37.48 10.0 undecidable manual PN 153 0.0124 0.3 1
--.CSNT.Z. 1997-10-13T03:26:36.92 10.0 undecidable manual PN 293 0.012 0.4 0.8
--.SFI.Z. 1997-10-13T03:26:35.84 10.0 undecidable manual PN 319 0.0113 0.4 0.8
--.RDP.Z. 1997-10-13T03:26:34.63 10.0 undecidable manual PN 189 0.0108 -0.13 1.3
--.RMP.Z. 1997-10-13T03:26:34.14 10.0 undecidable manual PN 190 0.0104 0.07 1.4
--.MNS.Z. 1997-10-13T03:26:33.69 10.0 undecidable manual SG 201 0.0054 -0.1 0.7
--.RSM.Z. 1997-10-13T03:26:33.30 10.0 undecidable manual PG 338 0.0094 0.68 0.3
--.ARV.Z. 1997-10-13T03:26:32.10 10.0 undecidable manual SG 356 0.0049 0.18 0.6
--.CRE.Z. 1997-10-13T03:26:30.86 10.0 undecidable manual PG 311 0.009 -0.65 0.4
--.PQ9.Z. 1997-10-13T03:26:30.86 10.0 undecidable manual PG 161 0.0087 -0.19 1.4
--.FB9.Z. 1997-10-13T03:26:26.45 10.0 undecidable manual PG 348 0.0067 -0.44 0.9
--.AQU.Z. 1997-10-13T03:26:25.27 10.0 undecidable manual PG 152 0.006 -0.1 1.7
--.MNS.Z. 1997-10-13T03:26:23.99 10.0 undecidable manual PG 201 0.0054 -0.19 1.5
--.ARV.Z. 1997-10-13T03:26:22.83 10.0 undecidable manual PG 356 0.0049 -0.22 1.5
--.ASS.Z. 1997-10-13T03:26:20.45 10.0 undecidable manual SG 294 0.0023 -0.85 0.1
--.ASS.Z. 1997-10-13T03:26:17.28 10.0 negative manual PG 294 0.0023 0.31 2.5
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download