Earthquake with magnitude of Md 3.4 on date 05-10-1997 and time 02:18:32 (Italy) in region 5 km NE Sellano (PG)

A magnitude Md 3.4 earthquake occured in region: 5 km NE Sellano (PG), on

  • 05-10-1997 00:18:32 (UTC)
  • 05-10-1997 02:18:32 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.927, 12.952 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
Sellano PG 5 1079 1079
Monte Cavallo MC 9 145 1224
Preci PG 9 724 1948
Visso MC 11 1107 3055
Cerreto di Spoleto PG 12 1075 4130
Pieve Torina MC 15 1458 5588
Ussita MC 15 444 6032
Serravalle di Chienti MC 16 1070 7102
Fiordimonte MC 17 202 7304
Castelsantangelo sul Nera MC 17 281 7585
Trevi PG 17 8469 16054
Campello sul Clitunno PG 18 2442 18496
Pievebovigliana MC 19 866 19362
Norcia PG 19 4957 24319
Muccia MC 19 915 25234
Vallo di Nera PG 19 364 25598

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km E of Foligno (57155 inhabitants)
48 Km NE of Terni (111501 inhabitants)
50 Km E of Perugia (166134 inhabitants)
68 Km W of Teramo (54892 inhabitants)
74 Km NW of L'Aquila (69753 inhabitants)
89 Km NE of Viterbo (67173 inhabitants)
90 Km SW of Ancona (100861 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 3.4
ML-VAX 2.2
1997-10-05
00:18:32
42.927 12.952 4 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 289839
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-10-05 00:18:32 ± 0.3
Latitude 42.9270 ± 0.0090
Longitude 12.9520 ± 0.0209
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 289839

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) 1976.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 150
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 13
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) 0.00227
Epicentral distance of station farthest from the epicenter (degree) 0.0119
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:3.4

Field Value
Value 3.4
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 289839
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:32:58

ML:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 4
Type of magnitude ML
Reference to an origin 289839
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. 1997-10-05T00:18:57.41 10.0 undecidable manual PN 320 0.0113 0.54 0.5
--.CSNT.Z. 1997-10-05T00:18:57.98 10.0 undecidable manual PN 294 0.0119 0.24 1
--.RDP.Z. 1997-10-05T00:18:55.54 10.0 undecidable manual PN 188 0.0106 -0.19 1.1
--.RMP.Z. 1997-10-05T00:18:54.77 10.0 positive manual PN 189 0.0101 -0.26 2.1
--.RSM.Z. 1997-10-05T00:18:54.67 10.0 undecidable manual PG 340 0.0096 0.63 0.4
--.ARV.Z. 1997-10-05T00:18:53.63 10.0 undecidable manual SG 359 0.0051 -0.32 0.5
--.MNS.Z. 1997-10-05T00:18:53.90 10.0 undecidable manual SG 200 0.0052 -0.21 0.5
--.PQ9.Z. 1997-10-05T00:18:51.83 10.0 undecidable manual PG 159 0.0087 -0.31 1.1
--.AQU.Z. 1997-10-05T00:18:46.94 10.0 positive manual PG 149 0.0059 0.39 2
--.MNS.Z. 1997-10-05T00:18:45.20 10.0 undecidable manual PG 200 0.0052 0.03 1.6
--.ARV.Z. 1997-10-05T00:18:43.99 10.0 undecidable manual PG 359 0.0051 -0.9 0.2
--.ASS.Z. 1997-10-05T00:18:42.13 10.0 undecidable manual SG 301 0.0023 -0.41 0.4
--.ASS.Z. 1997-10-05T00:18:38.40 10.0 undecidable manual PG 301 0.0023 0.09 1.5
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download