Earthquake with magnitude of Md 3.0 on date 26-09-1997 and time 09:05:04 (Italy) in region 3 km S Serravalle di Chienti (MC)

A magnitude Md 3.0 earthquake occured in region: 3 km S Serravalle di Chienti (MC), on

  • 26-09-1997 07:05:04 (UTC)
  • 26-09-1997 09:05:04 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.04, 12.96 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 3 1070 1070
Monte Cavallo MC 7 145 1215
Pieve Torina MC 8 1458 2673
Muccia MC 9 915 3588
Pievebovigliana MC 11 866 4454
Fiordimonte MC 11 202 4656
Sefro MC 12 422 5078
Camerino MC 14 6974 12052
Pioraco MC 15 1134 13186
Nocera Umbra PG 15 5839 19025
Fiastra MC 16 559 19584
Visso MC 16 1107 20691
Valtopina PG 16 1398 22089
Fiuminata MC 16 1402 23491
Sellano PG 17 1079 24570
Acquacanina MC 18 121 24691
Ussita MC 19 444 25135
Preci PG 19 724 25859

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km E of Foligno (57155 inhabitants)
47 Km E of Perugia (166134 inhabitants)
59 Km NE of Terni (111501 inhabitants)
75 Km NW of Teramo (54892 inhabitants)
79 Km SW of Ancona (100861 inhabitants)
85 Km NW of L'Aquila (69753 inhabitants)
89 Km S of Fano (60888 inhabitants)
97 Km S of Pesaro (94582 inhabitants)
98 Km NE of Viterbo (67173 inhabitants)
99 Km E of Arezzo (99543 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 2.7
1997-09-26
07:05:04
43.04 12.96 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 279079
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-09-26 07:05:04 ± 0.162
Latitude 43.04 ± 0.01
Longitude 12.96 ± 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 279079

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) 1766.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 155
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) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00194
Epicentral distance of station farthest from the epicenter (degree) 0.017
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:3

Field Value
Value 3
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 279079
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:23:34

ML:2.7

Field Value
Value 2.7
Uncertainty
Num. used stations 4
Type of magnitude ML
Reference to an origin 279079
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
--.PII.Z. 1997-09-26T07:05:39.90 10.0 undecidable manual PN 291 0.017 1.33 0
--.AQU.Z. 1997-09-26T07:05:32.61 10.0 undecidable manual SG 154 0.0068 0.29 0.4
--.CSNT.Z. 1997-09-26T07:05:29.61 10.0 undecidable manual PN 289 0.0115 0.17 1
--.RMP.Z. 1997-09-26T07:05:29.80 10.0 undecidable manual PN 188 0.0112 0.19 1
--.MNS.Z. 1997-09-26T07:05:29.35 10.0 undecidable manual SG 196 0.0062 -0.58 0.2
--.PQ9.Z. 1997-09-26T07:05:26.11 10.0 undecidable manual PG 161 0.0096 -0.37 0.8
--.RSM.Z. 1997-09-26T07:05:25.70 10.0 undecidable manual PG 337 0.0086 0.71 0.5
--.CRE.Z. 1997-09-26T07:05:23.37 10.0 undecidable manual PG 308 0.0083 -0.48 0.5
--.AQU.Z. 1997-09-26T07:05:21.32 10.0 undecidable manual PG 154 0.0068 0.57 0.7
--.ARV.Z. 1997-09-26T07:05:21.76 10.0 undecidable manual SG 358 0.004 -0.68 0.1
--.MNS.Z. 1997-09-26T07:05:19.14 10.0 positive manual PG 196 0.0062 -0.23 2.1
--.FB9.Z. 1997-09-26T07:05:18.71 10.0 negative manual PG 348 0.0059 -0.16 2.3
--.ARV.Z. 1997-09-26T07:05:15.50 10.0 negative manual PG 358 0.004 0 2.5
--.ASS.Z. 1997-09-26T07:05:13.43 10.0 undecidable manual SG 274 0.0019 -0.27 0.4
--.ASS.Z. 1997-09-26T07:05:10.19 10.0 negative manual PG 274 0.0019 0.19 2.5
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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