Earthquake with magnitude of Md 4.7 on date 03-10-1997 and time 10:55:20 (Italy) in region 8 km SW Serravalle di Chienti (MC)

A magnitude Md 4.7 earthquake occured in region: 8 km SW Serravalle di Chienti (MC), on

  • 03-10-1997 08:55:20 (UTC)
  • 03-10-1997 10:55:20 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.02, 12.89 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
Serravalle di Chienti MC 8 1070 1070
Monte Cavallo MC 10 145 1215
Valtopina PG 12 1398 2613
Nocera Umbra PG 13 5839 8452
Pieve Torina MC 13 1458 9910
Muccia MC 14 915 10825
Sefro MC 15 422 11247
Sellano PG 15 1079 12326
Fiordimonte MC 16 202 12528
Pievebovigliana MC 17 866 13394
Foligno PG 17 57155 70549
Spello PG 18 8645 79194
Fiuminata MC 19 1402 80596
Pioraco MC 19 1134 81730
Visso MC 19 1107 82837
Camerino MC 19 6974 89811
Trevi PG 20 8469 98280

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km E of Foligno (57155 inhabitants)
42 Km E of Perugia (166134 inhabitants)
55 Km NE of Terni (111501 inhabitants)
78 Km NW of Teramo (54892 inhabitants)
84 Km SW of Ancona (100861 inhabitants)
85 Km NW of L'Aquila (69753 inhabitants)
92 Km S of Fano (60888 inhabitants)
93 Km NE of Viterbo (67173 inhabitants)
95 Km SE of Arezzo (99543 inhabitants)
99 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 Md 4.7
ML-MEDNET 5.0
1997-10-03
08:55:20
43.02 12.89 5 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 287989
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-10-03 08:55:20 ± 0.253
Latitude 43.02 ± 0.01
Longitude 12.89 ± 0.02
Depth (km) 5 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 287989

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) 1585
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 145
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
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) 0.00154
Epicentral distance of station farthest from the epicenter (degree) 0.01328
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:4.7

Field Value
Value 4.7
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 287989
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:31:20

ML:5

Field Value
Value 5
Uncertainty
Num. used stations
Type of magnitude ML
Reference to an origin 287989
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
--.SDI.Z. 1997-10-03T08:55:48.53 10.0 undecidable manual PN 152 0.0133 0.7 0.1
--.MNS.Z. 1997-10-03T08:55:45.00 10.0 undecidable manual SG 193 0.0059 0.36 0.3
--.RMP.Z. 1997-10-03T08:55:44.13 10.0 undecidable manual PN 186 0.0109 -0.13 1
--.CSNT.Z. 1997-10-03T08:55:44.63 10.0 undecidable manual PN 291 0.0112 -0.02 1.1
--.PGD.Z. 1997-10-03T08:55:44.33 10.0 undecidable manual PN 315 0.0108 0.31 0.7
--.RDP.Z. 1997-10-03T08:55:44.95 10.0 undecidable manual PN 185 0.0114 -0.02 1.1
--.SFI.Z. 1997-10-03T08:55:43.73 10.0 undecidable manual PN 319 0.0104 0.28 0.8
--.PQ9.Z. 1997-10-03T08:55:41.55 10.0 undecidable manual PG 159 0.0096 -0.6 0.3
--.RSM.Z. 1997-10-03T08:55:40.14 10.0 positive manual PG 340 0.0086 0.03 2.5
--.ARV.Z. 1997-10-03T08:55:39.29 10.0 undecidable manual SG 4 0.0043 0.42 0.3
--.CRE.Z. 1997-10-03T08:55:38.50 10.0 undecidable manual PG 311 0.0081 -0.63 0.3
--.AQU.Z. 1997-10-03T08:55:36.79 10.0 positive manual PG 150 0.0069 0.23 2.1
--.MNS.Z. 1997-10-03T08:55:34.14 10.0 positive manual PG 193 0.0059 -0.36 1.6
--.ARV.Z. 1997-10-03T08:55:30.83 10.0 positive manual PG 4 0.0043 -0.34 1.7
--.ASS.Z. 1997-10-03T08:55:27.43 10.0 undecidable manual SG 282 0.0015 -0.26 0.4
--.ASS.Z. 1997-10-03T08:55:25.30 10.0 positive manual PG 282 0.0015 0.31 1.8
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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