Earthquake with magnitude of Md 2.7 on date 30-09-1997 and time 17:13:39 (Italy) in region 4 km S Serravalle di Chienti (MC)

A magnitude Md 2.7 earthquake occured in region: 4 km S Serravalle di Chienti (MC), on

  • 30-09-1997 15:13:39 (UTC)
  • 30-09-1997 17:13:39 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.036, 12.952 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 4 1070 1070
Monte Cavallo MC 6 145 1215
Pieve Torina MC 8 1458 2673
Muccia MC 9 915 3588
Fiordimonte MC 11 202 3790
Pievebovigliana MC 11 866 4656
Sefro MC 12 422 5078
Camerino MC 15 6974 12052
Nocera Umbra PG 16 5839 17891
Visso MC 16 1107 18998
Pioraco MC 16 1134 20132
Valtopina PG 16 1398 21530
Sellano PG 16 1079 22609
Fiastra MC 17 559 23168
Fiuminata MC 17 1402 24570
Acquacanina MC 18 121 24691
Ussita MC 18 444 25135
Preci PG 19 724 25859

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km E of Foligno (57155 inhabitants)
46 Km E of Perugia (166134 inhabitants)
58 Km NE of Terni (111501 inhabitants)
74 Km NW of Teramo (54892 inhabitants)
79 Km SW of Ancona (100861 inhabitants)
84 Km NW of L'Aquila (69753 inhabitants)
90 Km S of Fano (60888 inhabitants)
97 Km NE of Viterbo (67173 inhabitants)
97 Km S of Pesaro (94582 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 2.7
ML-VAX 2.1
1997-09-30
15:13:39
43.036 12.952 3 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 285639
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-09-30 15:13:39 ± 0.256
Latitude 43.0360 ± 0.0097
Longitude 12.9520 ± 0.0187
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 285639

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) 1864.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 154
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
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) 0.00194
Epicentral distance of station farthest from the epicenter (degree) 0.01319
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

Md:2.7

Field Value
Value 2.7
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 285639
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:29:16

ML:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 285639
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
--.SFI.Z. 1997-09-30T15:14:19.62 10.0 undecidable manual SN 317 0.0106 -0.21 0.5
--.CRE.Z. 1997-09-30T15:14:12.68 10.0 undecidable manual SG 308 0.0083 0.09 0.6
--.SDI.Z. 1997-09-30T15:14:08.13 10.0 undecidable manual PN 153 0.0132 1.4 0.1
--.MNS.Z. 1997-09-30T15:14:03.48 10.0 undecidable manual SG 196 0.0061 -1.01 0.1
--.SFI.Z. 1997-09-30T15:14:03.52 10.0 undecidable manual PN 317 0.0106 0.75 0.7
--.FB9.Z. 1997-09-30T15:14:03.49 10.0 undecidable manual SG 348 0.006 -0.6 0.3
--.PQ9.Z. 1997-09-30T15:14:01.44 10.0 undecidable manual PG 161 0.0096 0.39 1.2
--.RSM.Z. 1997-09-30T15:13:59.89 10.0 undecidable manual PG 337 0.0087 0.74 0.8
--.CRE.Z. 1997-09-30T15:13:58.66 10.0 undecidable manual PG 308 0.0083 0.07 1.5
--.ARV.Z. 1997-09-30T15:13:57.32 10.0 undecidable manual SG 359 0.0041 0 0.7
--.AQU.Z. 1997-09-30T15:13:54.97 10.0 undecidable manual PG 153 0.0068 -0.37 1.2
--.MNS.Z. 1997-09-30T15:13:53.80 10.0 undecidable manual PG 196 0.0061 -0.83 0.6
--.FB9.Z. 1997-09-30T15:13:53.27 10.0 positive manual PG 348 0.006 -0.41 2.4
--.ARV.Z. 1997-09-30T15:13:49.68 10.0 positive manual PG 359 0.0041 -0.09 3.3
--.ASS.Z. 1997-09-30T15:13:47.97 10.0 undecidable manual SG 276 0.0019 -0.06 0.7
--.ASS.Z. 1997-09-30T15:13:44.71 10.0 undecidable manual PG 276 0.0019 0.3 1.4
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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