Earthquake with magnitude of ML-MEDNET 5.6 on date 26-09-1997 and time 02:33:11 (Italy) in region 7 km SW Serravalle di Chienti (MC)

A magnitude ML-MEDNET 5.6 earthquake occured in region: 7 km SW Serravalle di Chienti (MC), on

  • 26-09-1997 00:33:11 (UTC)
  • 26-09-1997 02:33:11 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.02, 12.91 at 8 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 7 1070 1070
Monte Cavallo MC 8 145 1215
Pieve Torina MC 12 1458 2673
Muccia MC 13 915 3588
Valtopina PG 14 1398 4986
Sellano PG 14 1079 6065
Nocera Umbra PG 14 5839 11904
Fiordimonte MC 15 202 12106
Sefro MC 15 422 12528
Pievebovigliana MC 15 866 13394
Visso MC 17 1107 14501
Camerino MC 18 6974 21475
Foligno PG 18 57155 78630
Preci PG 19 724 79354
Pioraco MC 19 1134 80488
Fiuminata MC 19 1402 81890
Spello PG 20 8645 90535
Fiastra MC 20 559 91094

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km E of Foligno (57155 inhabitants)
44 Km E of Perugia (166134 inhabitants)
55 Km NE of Terni (111501 inhabitants)
76 Km NW of Teramo (54892 inhabitants)
83 Km SW of Ancona (100861 inhabitants)
84 Km NW of L'Aquila (69753 inhabitants)
92 Km S of Fano (60888 inhabitants)
94 Km NE of Viterbo (67173 inhabitants)
97 Km SE of Arezzo (99543 inhabitants)
99 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
Rev 1000 ML-MEDNET 5.6 1997-09-26
00:33:11
43.02 12.91 8 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 278479
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-09-26 00:33:11 ± 0.186
Latitude 43.02 ± 0.00
Longitude 12.91 ± 0.02
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 278479

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) 1380
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 148
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) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.0017
Epicentral distance of station farthest from the epicenter (degree) 0.01319
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitude information

ML:5.6

Field Value
Value 5.6
Uncertainty
Num. used stations
Type of magnitude ML
Reference to an origin 278479
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 10:37:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.SDI.Z. 1997-09-26T00:33:38.91 10.0 undecidable manual PN 152 0.0132 0.65 0.1
--.CSNT.Z. 1997-09-26T00:33:36.30 10.0 undecidable manual PN 291 0.0113 0.53 0.2
--.FB9.Z. 1997-09-26T00:33:35.99 10.0 undecidable manual SG 351 0.0061 0.05 0.5
--.RDP.Z. 1997-09-26T00:33:35.58 10.0 undecidable manual PN 186 0.0113 0.06 1
--.MNS.Z. 1997-09-26T00:33:34.79 10.0 undecidable manual SG 194 0.0058 -0.3 0.3
--.RMP.Z. 1997-09-26T00:33:34.66 10.0 positive manual PN 187 0.0109 -0.16 1.8
--.RSM.Z. 1997-09-26T00:33:31.38 10.0 undecidable manual PG 339 0.0087 0.31 0.7
--.CRE.Z. 1997-09-26T00:33:29.93 10.0 undecidable manual PG 310 0.0083 -0.26 0.8
--.ARV.Z. 1997-09-26T00:33:29.51 10.0 undecidable manual SG 2 0.0043 -0.02 0.5
--.AQU.Z. 1997-09-26T00:33:27.90 10.0 negative manual PG 151 0.0067 0.02 2.7
--.FB9.Z. 1997-09-26T00:33:25.44 10.0 undecidable manual PG 351 0.0061 -0.28 0.8
--.MNS.Z. 1997-09-26T00:33:24.81 10.0 undecidable manual PG 194 0.0058 -0.42 0.5
--.ARV.Z. 1997-09-26T00:33:21.82 10.0 positive manual PG 2 0.0043 -0.2 2.1
--.ASS.Z. 1997-09-26T00:33:19.61 10.0 undecidable manual SG 283 0.0017 -0.15 0.5
--.ASS.Z. 1997-09-26T00:33:16.51 10.0 positive manual PG 283 0.0017 0.13 2.4
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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