Earthquake with magnitude of Md 2.4 on date 29-09-1997 and time 13:45:19 (Italy) in region 9 km SW Serravalle di Chienti (MC)

A magnitude Md 2.4 earthquake occured in region: 9 km SW Serravalle di Chienti (MC), on

  • 29-09-1997 11:45:19 (UTC)
  • 29-09-1997 13:45:19 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0070, 12.8830 at 4 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 9 1070 1070
Monte Cavallo MC 10 145 1215
Valtopina PG 12 1398 2613
Sellano PG 14 1079 3692
Nocera Umbra PG 14 5839 9531
Pieve Torina MC 14 1458 10989
Muccia MC 16 915 11904
Foligno PG 16 57155 69059
Sefro MC 17 422 69481
Fiordimonte MC 17 202 69683
Spello PG 17 8645 78328
Pievebovigliana MC 18 866 79194
Trevi PG 18 8469 87663
Visso MC 19 1107 88770
Preci PG 19 724 89494

Municipalities with at least 50000 inhabitants

An earthquake occurred to
16 Km E of Foligno (57155 inhabitants)
42 Km E of Perugia (166134 inhabitants)
53 Km NE of Terni (111501 inhabitants)
77 Km NW of Teramo (54892 inhabitants)
84 Km NW of L'Aquila (69753 inhabitants)
85 Km SW of Ancona (100861 inhabitants)
91 Km NE of Viterbo (67173 inhabitants)
94 Km S of Fano (60888 inhabitants)
96 Km SE 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 2.4
ML-VAX 1.7
1997-09-29
11:45:19
43.007 12.883 4 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 284659
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-09-29 11:45:19 ± 0.376
Latitude 43.0070 ± 0.0102
Longitude 12.8830 ± 0.0256
Depth (km) 4 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 284659

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) 2373.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 153
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
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) 0.00154
Epicentral distance of station farthest from the epicenter (degree) 0.01052
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitudes information

Md:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 284659
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:28:25

ML:1.7

Field Value
Value 1.7
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 284659
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(km) Takeoff_angle Residual Weight
--.SFI.Z. 1997-09-29T11:46:00.20 10.0 undecidable manual SN 320 1.1655 0.88 0.1
--.PQ9.Z. 1997-09-29T11:45:55.69 10.0 undecidable manual SG 158 1.0545 -0.46 0.4
--.CRE.Z. 1997-09-29T11:45:51.85 10.0 undecidable manual SG 312 0.9102 0.25 0.6
--.MNS.Z. 1997-09-29T11:45:42.16 10.0 undecidable manual SG 193 0.6327 -0.63 0.4
--.SFI.Z. 1997-09-29T11:45:42.77 10.0 undecidable manual PN 320 1.1655 0.5 0.9
--.PQ9.Z. 1997-09-29T11:45:41.43 10.0 undecidable manual PG 158 1.0545 0.88 0.4
--.ARV.Z. 1997-09-29T11:45:37.90 10.0 undecidable manual SG 5 0.4884 -0.24 0.6
--.CRE.Z. 1997-09-29T11:45:36.93 10.0 undecidable manual PG 312 0.9102 -0.99 0.3
--.MNS.Z. 1997-09-29T11:45:32.44 10.0 undecidable manual PG 193 0.6327 -0.39 1.4
--.ARV.Z. 1997-09-29T11:45:29.99 10.0 positive manual PG 5 0.4884 -0.16 3.4
--.ASS.Z. 1997-09-29T11:45:25.81 10.0 undecidable manual SG 288 0.1665 -0.39 0.5
--.ASS.Z. 1997-09-29T11:45:23.56 10.0 negative manual PG 288 0.1665 0.31 3
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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