Earthquake with magnitude of Md 3.0 on date 01-10-1997 and time 21:17:37 (UTC) in region 6 km W Serravalle di Chienti (MC)

A magnitude Md 3.0 earthquake occured in region: 6 km W Serravalle di Chienti (MC), on

  • 01-10-1997 21:17:37 (UTC)
  • 01-10-1997 23:17:37 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.07, 12.88 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
Nocera Umbra PG 9 5839 6909
Sefro MC 10 422 7331
Valtopina PG 11 1398 8729
Monte Cavallo MC 13 145 8874
Muccia MC 13 915 9789
Fiuminata MC 14 1402 11191
Pieve Torina MC 14 1458 12649
Pioraco MC 15 1134 13783
Pievebovigliana MC 17 866 14649
Camerino MC 17 6974 21623
Fiordimonte MC 17 202 21825
Spello PG 19 8645 30470
Foligno PG 19 57155 87625
Gualdo Tadino PG 20 15208 102833

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km NE of Foligno (57155 inhabitants)
40 Km E of Perugia (166134 inhabitants)
60 Km NE of Terni (111501 inhabitants)
80 Km SW of Ancona (100861 inhabitants)
81 Km NW of Teramo (54892 inhabitants)
87 Km S of Fano (60888 inhabitants)
91 Km NW of L'Aquila (69753 inhabitants)
92 Km E of Arezzo (99543 inhabitants)
93 Km S of Pesaro (94582 inhabitants)
97 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 3.0 1997-10-01
21:17:37
43.07 12.88 3 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 286929
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-10-01 21:17:37 ± 0.217
Latitude 43.07 ± 0.01
Longitude 12.88 ± 0.01
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 286929

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) 1528.9
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 11
Number of defining phases 11
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) 0.00146
Epicentral distance of station farthest from the epicenter (degree) 0.01182
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

Md:3

Field Value
Value 3
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 286929
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:30:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.MNS.Z. 1997-10-01T21:18:04.00 10.0 undecidable manual SG 192 0.0063 0.61 0.2
--.RDP.Z. 1997-10-01T21:18:03.00 10.0 undecidable manual PN 185 0.0118 0.17 1.3
--.CSNT.Z. 1997-10-01T21:18:01.28 10.0 undecidable manual PN 289 0.011 -0.27 1.2
--.PQ9.Z. 1997-10-01T21:18:00.71 10.0 undecidable manual PN 159 0.01 0.65 0.4
--.SFI.Z. 1997-10-01T21:18:00.00 10.0 undecidable manual PN 318 0.01 -0.11 1.5
--.AQU.Z. 1997-10-01T21:17:54.00 10.0 undecidable manual PG 151 0.0073 -0.5 0.8
--.ARV.Z. 1997-10-01T21:17:54.50 10.0 undecidable manual SG 5 0.0038 0.41 0.5
--.MNS.Z. 1997-10-01T21:17:52.00 10.0 undecidable manual PG 192 0.0063 -0.46 1
--.ARV.Z. 1997-10-01T21:17:47.00 10.0 undecidable manual PG 5 0.0038 -0.09 2
--.ASS.Z. 1997-10-01T21:17:43.90 10.0 undecidable manual SG 266 0.0015 -0.18 0.7
--.ASS.Z. 1997-10-01T21:17:41.60 10.0 undecidable manual PG 266 0.0015 0.29 1.5
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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