Earthquake with magnitude of Md 3.0 on date 28-09-1997 and time 23:15:42 (Italy) in region 8 km W Serravalle di Chienti (MC)

A magnitude Md 3.0 earthquake occured in region: 8 km W Serravalle di Chienti (MC), on

  • 28-09-1997 21:15:42 (UTC)
  • 28-09-1997 23:15:42 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.06, 12.86 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
Nocera Umbra PG 8 5839 6909
Valtopina PG 8 1398 8307
Sefro MC 13 422 8729
Monte Cavallo MC 13 145 8874
Muccia MC 15 915 9789
Pieve Torina MC 16 1458 11247
Fiuminata MC 16 1402 12649
Foligno PG 17 57155 69804
Spello PG 17 8645 78449
Pioraco MC 17 1134 79583
Pievebovigliana MC 18 866 80449
Fiordimonte MC 19 202 80651
Sellano PG 19 1079 81730
Camerino MC 19 6974 88704
Assisi PG 20 28299 117003

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km NE of Foligno (57155 inhabitants)
39 Km E of Perugia (166134 inhabitants)
58 Km NE of Terni (111501 inhabitants)
82 Km NW of Teramo (54892 inhabitants)
82 Km SW of Ancona (100861 inhabitants)
89 Km S of Fano (60888 inhabitants)
90 Km NW of L'Aquila (69753 inhabitants)
91 Km SE of Arezzo (99543 inhabitants)
94 Km NE of Viterbo (67173 inhabitants)
95 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
Bulletin
Rev1000
Md 3.0
ML-VAX 1.9
1997-09-28
21:15:42
43.06 12.86 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 283779
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-09-28 21:15:42 ± 0.155
Latitude 43.06 ± 0.01
Longitude 12.86 ± 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 283779

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) 1834.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 142
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) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.0013
Epicentral distance of station farthest from the epicenter (degree) 0.0136
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitudes information

Md:3

Field Value
Value 3
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 283779
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:27:39

ML:1.9

Field Value
Value 1.9
Uncertainty
Num. used stations 4
Type of magnitude ML
Reference to an origin 283779
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
--.CRE.Z. 1997-09-28T21:16:13.66 10.0 undecidable manual SG 310 0.0078 0.32 0.6
--.AQU.Z. 1997-09-28T21:16:10.50 10.0 undecidable manual SG 150 0.0072 -0.85 0.2
--.SDI.Z. 1997-09-28T21:16:10.75 10.0 undecidable manual PN 151 0.0136 0.48 0.9
--.RDP.Z. 1997-09-28T21:16:07.67 10.0 undecidable manual PN 184 0.0117 0.38 1.2
--.RMP.Z. 1997-09-28T21:16:07.47 10.0 undecidable manual PN 185 0.0112 0.89 0.3
--.MNS.Z. 1997-09-28T21:16:06.90 10.0 undecidable manual SG 190 0.0061 -1.29 0
--.CSNT.Z. 1997-09-28T21:16:06.17 10.0 undecidable manual PN 290 0.0109 0.06 1.6
--.SFI.Z. 1997-09-28T21:16:05.14 10.0 undecidable manual PN 319 0.01 0.31 1.4
--.PQ9.Z. 1997-09-28T21:16:04.35 10.0 undecidable manual PN 158 0.01 -0.28 1.4
--.RSM.Z. 1997-09-28T21:16:01.88 10.0 undecidable manual PG 341 0.0083 0.55 1
--.AQU.Z. 1997-09-28T21:15:59.22 10.0 undecidable manual PG 150 0.0072 0.02 1.9
--.ARV.Z. 1997-09-28T21:15:59.23 10.0 undecidable manual SG 7 0.004 -0.6 0.4
--.CRE.Z. 1997-09-28T21:15:59.84 10.0 undecidable manual PG 310 0.0078 -0.5 1.2
--.MNS.Z. 1997-09-28T21:15:56.75 10.0 undecidable manual PG 190 0.0061 -0.16 1.8
--.ARV.Z. 1997-09-28T21:15:52.30 10.0 undecidable manual PG 7 0.004 -0.52 1.2
--.ASS.Z. 1997-09-28T21:15:48.76 10.0 undecidable manual SG 272 0.0013 0.09 0.8
--.ASS.Z. 1997-09-28T21:15:45.54 10.0 undecidable manual PG 272 0.0013 -0.56 1.1
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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