Earthquake with magnitude of Md 3.2 on date 28-09-1997 and time 02:47:47 (UTC) in region 5 km NE Nocera Umbra (PG)

A magnitude Md 3.2 earthquake occured in region: 5 km NE Nocera Umbra (PG), on

  • 28-09-1997 02:47:47 (UTC)
  • 28-09-1997 04:47:47 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.138, 12.846 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
Nocera Umbra PG 5 5839 5839
Sefro MC 9 422 6261
Fiuminata MC 9 1402 7663
Serravalle di Chienti MC 11 1070 8733
Valtopina PG 11 1398 10131
Gualdo Tadino PG 12 15208 25339
Pioraco MC 12 1134 26473
Esanatoglia MC 15 2034 28507
Muccia MC 17 915 29422
Camerino MC 18 6974 36396
Matelica MC 19 9981 46377
Fossato di Vico PG 19 2840 49217
Castelraimondo MC 19 4587 53804
Pieve Torina MC 20 1458 55262

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km NE of Foligno (57155 inhabitants)
37 Km E of Perugia (166134 inhabitants)
66 Km N of Terni (111501 inhabitants)
76 Km SW of Ancona (100861 inhabitants)
80 Km S of Fano (60888 inhabitants)
86 Km S of Pesaro (94582 inhabitants)
86 Km E of Arezzo (99543 inhabitants)
88 Km NW of Teramo (54892 inhabitants)
98 Km NW of L'Aquila (69753 inhabitants)
100 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
Md 3.2
ML-VAX 2.4
1997-09-28
02:47:47
43.138 12.846 4 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 282619
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-09-28 02:47:47 ± 0.316
Latitude 43.1380 ± 0.0123
Longitude 12.8460 ± 0.0276
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 282619

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) 2624.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 142
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00138
Epicentral distance of station farthest from the epicenter (degree) 0.01433
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitudes information

Md:3.2

Field Value
Value 3.2
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 282619
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:26:38

ML:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 282619
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
--.SDI.Z. 1997-09-28T02:48:18.70 10.0 undecidable manual PN 153 0.0143 1.69 0.1
--.MNS.Z. 1997-09-28T02:48:16.50 10.0 undecidable manual SG 189 0.0068 1.01 0.2
--.CRE.Z. 1997-09-28T02:48:16.83 10.0 undecidable manual SG 306 0.0072 0.31 0.5
--.RDP.Z. 1997-09-28T02:48:13.39 10.0 undecidable manual PN 183 0.0124 -0.06 1.1
--.RMP.Z. 1997-09-28T02:48:13.17 10.0 undecidable manual PN 184 0.0119 0.43 1
--.CSNT.Z. 1997-09-28T02:48:10.17 10.0 undecidable manual PN 286 0.0106 -0.49 1
--.PQ9.Z. 1997-09-28T02:48:09.55 10.0 undecidable manual PN 159 0.0107 -1.24 0.3
--.SFI.Z. 1997-09-28T02:48:09.37 10.0 undecidable manual PG 316 0.0095 0.62 0.9
--.FB9.Z. 1997-09-28T02:48:09.14 10.0 undecidable manual SG 354 0.0049 0.74 0.4
--.RSM.Z. 1997-09-28T02:48:05.48 10.0 undecidable manual PG 340 0.0075 0.67 1
--.CRE.Z. 1997-09-28T02:48:03.50 10.0 undecidable manual PG 306 0.0072 -0.72 0.9
--.MNS.Z. 1997-09-28T02:48:02.21 10.0 undecidable manual PG 189 0.0068 -1.16 0.4
--.ARV.Z. 1997-09-28T02:48:01.78 10.0 undecidable manual SG 11 0.0032 0.15 0.6
--.FB9.Z. 1997-09-28T02:47:58.99 10.0 positive manual PG 354 0.0049 -0.54 2.3
--.ARV.Z. 1997-09-28T02:47:55.68 10.0 positive manual PG 11 0.0032 0.05 3
--.ASS.Z. 1997-09-28T02:47:54.15 10.0 undecidable manual SG 241 0.0014 0.42 0.5
--.ASS.Z. 1997-09-28T02:47:51.16 10.0 positive manual PG 241 0.0014 0.1 3
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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