Earthquake with magnitude of ML-MEDNET 4.3 on date 27-09-1997 and time 08:08:06 (UTC) in region 5 km SE Nocera Umbra (PG)

A magnitude ML-MEDNET 4.3 earthquake occured in region: 5 km SE Nocera Umbra (PG), on

  • 27-09-1997 08:08:06 (UTC)
  • 27-09-1997 10:08:06 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.09, 12.84 at 7 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
Nocera Umbra PG 5 5839 5839
Valtopina PG 8 1398 7237
Serravalle di Chienti MC 9 1070 8307
Sefro MC 11 422 8729
Fiuminata MC 13 1402 10131
Pioraco MC 15 1134 11265
Gualdo Tadino PG 16 15208 26473
Muccia MC 17 915 27388
Monte Cavallo MC 17 145 27533
Spello PG 18 8645 36178
Pieve Torina MC 18 1458 37636
Assisi PG 18 28299 65935
Foligno PG 19 57155 123090
Camerino MC 19 6974 130064
Esanatoglia MC 20 2034 132098

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km NE of Foligno (57155 inhabitants)
37 Km E of Perugia (166134 inhabitants)
61 Km N of Terni (111501 inhabitants)
80 Km SW of Ancona (100861 inhabitants)
85 Km S of Fano (60888 inhabitants)
85 Km NW of Teramo (54892 inhabitants)
88 Km E of Arezzo (99543 inhabitants)
92 Km S of Pesaro (94582 inhabitants)
94 Km NW of L'Aquila (69753 inhabitants)
96 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
ML-MEDNET 4.3 1997-09-27
08:08:06
43.09 12.84 7 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 281489
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-09-27 08:08:06 ± 0.332
Latitude 43.09 ± 0.01
Longitude 12.84 ± 0.03
Depth (km) 7 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 281489

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) 2442.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 140
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
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) 0.00121
Epicentral distance of station farthest from the epicenter (degree) 0.017
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitude information

ML:4.3

Field Value
Value 4.3
Uncertainty
Num. used stations
Type of magnitude ML
Reference to an origin 281489
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
--.BDI.Z. 1997-09-27T08:08:39.27 10.0 undecidable manual PN 301 0.017 -0.09 0.8
--.SDI.Z. 1997-09-27T08:08:36.24 10.0 undecidable manual PN 152 0.0139 1.55 0
--.CRE.Z. 1997-09-27T08:08:35.72 10.0 undecidable manual SG 309 0.0075 -0.45 0.4
--.MNS.Z. 1997-09-27T08:08:32.66 10.0 undecidable manual SG 189 0.0064 0.42 0.4
--.RDP.Z. 1997-09-27T08:08:32.80 10.0 undecidable manual PN 183 0.012 0.41 0.8
--.RMP.Z. 1997-09-27T08:08:31.44 10.0 undecidable manual PN 184 0.0115 0.48 0.8
--.PGD.Z. 1997-09-27T08:08:30.30 10.0 undecidable manual PN 314 0.0101 1.16 0.2
--.CSNT.Z. 1997-09-27T08:08:29.13 10.0 undecidable manual PN 289 0.0107 -0.59 0.7
--.SFI.Z. 1997-09-27T08:08:28.11 10.0 undecidable manual PN 318 0.0097 -0.18 1.1
--.PQ9.Z. 1997-09-27T08:08:28.64 10.0 undecidable manual PN 158 0.0103 -0.42 0.9
--.FB9.Z. 1997-09-27T08:08:26.59 10.0 undecidable manual SG! 355 0.0054 -2.12 0
--.RSM.Z. 1997-09-27T08:08:25.12 10.0 undecidable manual PG 341 0.0079 0.42 1
--.ARV.Z. 1997-09-27T08:08:24.13 10.0 undecidable manual SG 10 0.0037 1.47 0
--.CRE.Z. 1997-09-27T08:08:23.34 10.0 undecidable manual PG 309 0.0075 -0.46 1
--.AQU.Z. 1997-09-27T08:08:23.55 10.0 negative manual PG 150 0.0075 -0.35 2.2
--.MNS.Z. 1997-09-27T08:08:20.82 10.0 positive manual PG 189 0.0064 -0.71 1.3
--.FB9.Z. 1997-09-27T08:08:19.10 10.0 positive manual PG 355 0.0054 -0.48 1.9
--.ARV.Z. 1997-09-27T08:08:15.75 10.0 positive manual PG 10 0.0037 -0.25 2.4
--.ASS.Z. 1997-09-27T08:08:13.28 10.0 undecidable manual SG 258 0.0012 0.4 0.4
--.ASS.Z. 1997-09-27T08:08:10.58 10.0 positive manual PG 258 0.0012 0.23 2.4
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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