Earthquake with magnitude of Md 3.1 on date 29-09-1997 and time 05:52:36 (Italy) in region 3 km W Serravalle di Chienti (MC)

A magnitude Md 3.1 earthquake occured in region: 3 km W Serravalle di Chienti (MC), on

  • 29-09-1997 03:52:36 (UTC)
  • 29-09-1997 05:52:36 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.06, 12.92 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 3 1070 1070
Sefro MC 10 422 1492
Monte Cavallo MC 10 145 1637
Muccia MC 10 915 2552
Pieve Torina MC 11 1458 4010
Nocera Umbra PG 12 5839 9849
Valtopina PG 13 1398 11247
Pievebovigliana MC 14 866 12113
Pioraco MC 14 1134 13247
Fiuminata MC 14 1402 14649
Fiordimonte MC 14 202 14851
Camerino MC 15 6974 21825
Sellano PG 20 1079 22904
Fiastra MC 20 559 23463
Castelraimondo MC 20 4587 28050

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km NE of Foligno (57155 inhabitants)
43 Km E of Perugia (166134 inhabitants)
60 Km NE of Terni (111501 inhabitants)
78 Km NW of Teramo (54892 inhabitants)
78 Km SW of Ancona (100861 inhabitants)
87 Km S of Fano (60888 inhabitants)
88 Km NW of L'Aquila (69753 inhabitants)
94 Km S of Pesaro (94582 inhabitants)
95 Km E of Arezzo (99543 inhabitants)
98 Km NE of Viterbo (67173 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 2.7
1997-09-29
03:52:36
43.07 12.92 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 284249
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-09-29 03:52:36 ± 0.205
Latitude 43.07 ± 0.01
Longitude 12.92 ± 0.02
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 284249

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) 2241.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 139
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 27
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) 0.0017
Epicentral distance of station farthest from the epicenter (degree) 0.01514
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitudes information

Md:3.1

Field Value
Value 3.1
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 284249
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:28:04

ML:2.7

Field Value
Value 2.7
Uncertainty
Num. used stations 4
Type of magnitude ML
Reference to an origin 284249
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
--.SDI.Z. 1997-09-29T03:53:25.45 10.0 undecidable manual SN 153 0.0135 1.75 0
--.RMP.Z. 1997-09-29T03:53:19.65 10.0 undecidable manual SN 187 0.0113 1.73 0
--.RDP.Z. 1997-09-29T03:53:19.37 10.0 undecidable manual SN 186 0.0118 0.23 0.5
--.CSNT.Z. 1997-09-29T03:53:18.79 10.0 undecidable manual SN 289 0.0113 1.13 0.2
--.SFI.Z. 1997-09-29T03:53:15.39 10.0 undecidable manual SN 317 0.0103 0.34 0.5
--.PQ9.Z. 1997-09-29T03:53:15.70 10.0 undecidable manual SN 160 0.0099 1.64 0
--.RSM.Z. 1997-09-29T03:53:09.17 10.0 undecidable manual SG 338 0.0083 0.51 0.5
--.CRE.Z. 1997-09-29T03:53:07.51 10.0 undecidable manual SG 308 0.008 -0.14 0.6
--.CRVI.Z. 1997-09-29T03:53:07.19 10.0 undecidable manual PN 142 0.0151 1.16 0.3
--.AQU.Z. 1997-09-29T03:53:05.34 10.0 undecidable manual SG 153 0.0071 0.93 0.3
--.SDI.Z. 1997-09-29T03:53:04.59 10.0 undecidable manual PN 153 0.0135 1.04 0.4
--.MNS.Z. 1997-09-29T03:53:01.44 10.0 undecidable manual SG 194 0.0063 -0.01 0.6
--.RDP.Z. 1997-09-29T03:53:00.49 10.0 undecidable manual PN 186 0.0118 -0.43 1.1
--.FB9.Z. 1997-09-29T03:53:00.68 10.0 undecidable manual SG 350 0.0057 1.4 0.1
--.CSNT.Z. 1997-09-29T03:53:00.11 10.0 undecidable manual PN 289 0.0113 0.05 1.3
--.RMP.Z. 1997-09-29T03:52:59.66 10.0 undecidable manual PN 187 0.0113 -0.56 1
--.SFI.Z. 1997-09-29T03:52:58.50 10.0 positive manual PN 317 0.0103 -0.06 2.8
--.PQ9.Z. 1997-09-29T03:52:56.89 10.0 undecidable manual PN 160 0.0099 -1.1 0.5
--.RSM.Z. 1997-09-29T03:52:55.36 10.0 undecidable manual PG 338 0.0083 0.49 1.2
--.CRE.Z. 1997-09-29T03:52:53.59 10.0 positive manual PG 308 0.008 -0.7 2
--.ARV.Z. 1997-09-29T03:52:52.64 10.0 undecidable manual SG 2 0.0039 -0.18 0.6
--.AQU.Z. 1997-09-29T03:52:51.74 10.0 positive manual PG 153 0.0071 -0.67 2
--.MNS.Z. 1997-09-29T03:52:49.73 10.0 positive manual PG 194 0.0063 -0.98 1.3
--.FB9.Z. 1997-09-29T03:52:49.10 10.0 positive manual PG 350 0.0057 -0.44 2.6
--.ARV.Z. 1997-09-29T03:52:45.40 10.0 negative manual PG 2 0.0039 -0.32 2.8
--.ASS.Z. 1997-09-29T03:52:44.50 10.0 undecidable manual SG 269 0.0017 0.77 0.5
--.ASS.Z. 1997-09-29T03:52:40.50 10.0 negative manual PG 269 0.0017 0.02 3.1
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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