Earthquake with magnitude of Md 2.4 on date 28-09-1997 and time 01:10:33 (Italy) in region 3 km SW Serravalle di Chienti (MC)

A magnitude Md 2.4 earthquake occured in region: 3 km SW Serravalle di Chienti (MC), on

  • 27-09-1997 23:10:33 (UTC)
  • 28-09-1997 01:10:33 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.052, 12.936 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 3 1070 1070
Monte Cavallo MC 8 145 1215
Pieve Torina MC 9 1458 2673
Muccia MC 10 915 3588
Sefro MC 11 422 4010
Pievebovigliana MC 12 866 4876
Fiordimonte MC 13 202 5078
Nocera Umbra PG 14 5839 10917
Camerino MC 14 6974 17891
Valtopina PG 15 1398 19289
Pioraco MC 15 1134 20423
Fiuminata MC 15 1402 21825
Fiastra MC 18 559 22384
Sellano PG 18 1079 23463
Visso MC 18 1107 24570
Acquacanina MC 20 121 24691

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km E of Foligno (57155 inhabitants)
45 Km E of Perugia (166134 inhabitants)
59 Km NE of Terni (111501 inhabitants)
76 Km NW of Teramo (54892 inhabitants)
79 Km SW of Ancona (100861 inhabitants)
87 Km NW of L'Aquila (69753 inhabitants)
88 Km S of Fano (60888 inhabitants)
96 Km S of Pesaro (94582 inhabitants)
97 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 2.4
ML-VAX 2.0
1997-09-27
23:10:33
43.052 12.936 3 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 282349
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-09-27 23:10:33 ± 0.205
Latitude 43.0520 ± 0.0071
Longitude 12.9360 ± 0.0153
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 282349

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) 1471.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 152
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
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) 0.00186
Epicentral distance of station farthest from the epicenter (degree) 0.01166
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitudes information

Md:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 282349
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:26:24

ML:2

Field Value
Value 2
Uncertainty
Num. used stations 4
Type of magnitude ML
Reference to an origin 282349
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
--.MNS.Z. 1997-09-27T23:10:58.50 10.0 undecidable manual SG 195 0.0062 -0.34 0.6
--.RDP.Z. 1997-09-27T23:10:58.27 10.0 undecidable manual PN 187 0.0117 -0.13 1.3
--.FB9.Z. 1997-09-27T23:10:57.94 10.0 undecidable manual SG 349 0.0058 0.47 0.4
--.CSNT.Z. 1997-09-27T23:10:57.69 10.0 undecidable manual PN 289 0.0114 -0.24 1.2
--.SFI.Z. 1997-09-27T23:10:57.20 10.0 undecidable manual PN 317 0.0104 0.57 0.6
--.PQ9.Z. 1997-09-27T23:10:55.51 10.0 undecidable manual PG 161 0.0097 0.14 1.5
--.RSM.Z. 1997-09-27T23:10:53.33 10.0 undecidable manual PG 338 0.0084 0.57 0.7
--.CRE.Z. 1997-09-27T23:10:51.63 10.0 undecidable manual PG 308 0.0082 -0.55 0.8
--.ARV.Z. 1997-09-27T23:10:50.90 10.0 undecidable manual SG 0 0.004 0.23 0.7
--.AQU.Z. 1997-09-27T23:10:50.30 10.0 undecidable manual PG 153 0.007 0.63 0.7
--.MNS.Z. 1997-09-27T23:10:47.50 10.0 undecidable manual PG 195 0.0062 -0.59 0.8
--.FB9.Z. 1997-09-27T23:10:46.74 10.0 undecidable manual PG 349 0.0058 -0.56 0.8
--.ARV.Z. 1997-09-27T23:10:43.80 10.0 negative manual PG 0 0.004 -0.3 3
--.ASS.Z. 1997-09-27T23:10:41.81 10.0 undecidable manual SG 272 0.0019 0.31 0.6
--.ASS.Z. 1997-09-27T23:10:38.44 10.0 undecidable manual PG 272 0.0019 0.35 1.4
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download