Earthquake with magnitude of Md 3.1 on date 27-09-1997 and time 13:26:57 (Italy) in region 6 km NW Serravalle di Chienti (MC)

A magnitude Md 3.1 earthquake occured in region: 6 km NW Serravalle di Chienti (MC), on

  • 27-09-1997 11:26:57 (UTC)
  • 27-09-1997 13:26:57 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.106, 12.892 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
Serravalle di Chienti MC 6 1070 1070
Sefro MC 7 422 1492
Nocera Umbra PG 8 5839 7331
Fiuminata MC 10 1402 8733
Pioraco MC 11 1134 9867
Valtopina PG 12 1398 11265
Muccia MC 13 915 12180
Pieve Torina MC 15 1458 13638
Camerino MC 15 6974 20612
Monte Cavallo MC 15 145 20757
Pievebovigliana MC 16 866 21623
Gualdo Tadino PG 16 15208 36831
Esanatoglia MC 17 2034 38865
Fiordimonte MC 18 202 39067
Castelraimondo MC 18 4587 43654
Matelica MC 19 9981 53635

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km NE of Foligno (57155 inhabitants)
41 Km E of Perugia (166134 inhabitants)
64 Km NE of Terni (111501 inhabitants)
76 Km SW of Ancona (100861 inhabitants)
83 Km S of Fano (60888 inhabitants)
83 Km NW of Teramo (54892 inhabitants)
90 Km S of Pesaro (94582 inhabitants)
91 Km E of Arezzo (99543 inhabitants)
94 Km NW of L'Aquila (69753 inhabitants)
100 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 2.4
1997-09-27
11:26:57
43.106 12.892 3 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 281699
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-09-27 11:26:57 ± 0.285
Latitude 43.1060 ± 0.0096
Longitude 12.8920 ± 0.0228
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 281699

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) 2134.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 147
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 19
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) 0.00162
Epicentral distance of station farthest from the epicenter (degree) 0.01392
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:3.1

Field Value
Value 3.1
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 281699
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:25:50

ML:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 4
Type of magnitude ML
Reference to an origin 281699
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
--.RDP.Z. 1997-09-27T11:27:42.30 10.0 undecidable manual SN 185 0.0121 0.16 0.5
--.CRE.Z. 1997-09-27T11:27:28.39 10.0 undecidable manual SG 307 0.0077 0.09 0.6
--.SDI.Z. 1997-09-27T11:27:27.46 10.0 undecidable manual PN 153 0.0139 1.4 0.1
--.MNS.Z. 1997-09-27T11:27:24.50 10.0 undecidable manual SG 192 0.0066 -0.02 0.6
--.RDP.Z. 1997-09-27T11:27:23.77 10.0 negative manual PN 185 0.0121 0.44 1.9
--.RMP.Z. 1997-09-27T11:27:22.90 10.0 undecidable manual PN 186 0.0117 0.27 1.1
--.CSNT.Z. 1997-09-27T11:27:21.90 10.0 undecidable manual PN 287 0.0109 -0.43 1
--.SFI.Z. 1997-09-27T11:27:20.40 10.0 undecidable manual PN 316 0.0099 0.19 1.3
--.PQ9.Z. 1997-09-27T11:27:19.10 10.0 undecidable manual PN 160 0.0103 -1.48 0.1
--.FB9.Z. 1997-09-27T11:27:19.10 10.0 undecidable manual SG 351 0.0053 -0.74 0.3
--.RSM.Z. 1997-09-27T11:27:16.59 10.0 undecidable manual PG 338 0.0079 0.75 0.8
--.CRE.Z. 1997-09-27T11:27:14.78 10.0 undecidable manual PG 307 0.0077 -0.56 1.1
--.MNS.Z. 1997-09-27T11:27:13.50 10.0 undecidable manual PG 192 0.0066 0.34 1.3
--.ARV.Z. 1997-09-27T11:27:13.23 10.0 undecidable manual SG 5 0.0035 0.36 0.5
--.AQU.Z. 1997-09-27T11:27:13.99 10.0 undecidable manual PG 153 0.0075 -1.06 0.4
--.FB9.Z. 1997-09-27T11:27:10.13 10.0 undecidable manual PG 351 0.0053 -0.33 1.3
--.ARV.Z. 1997-09-27T11:27:06.55 10.0 positive manual PG 5 0.0035 0.12 3
--.ASS.Z. 1997-09-27T11:27:05.50 10.0 undecidable manual SG 255 0.0016 0.82 0.3
--.ASS.Z. 1997-09-27T11:27:01.39 10.0 positive manual PG 255 0.0016 -0.31 2.7
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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