Earthquake with magnitude of Md 3.0 on date 06-10-1997 and time 03:21:28 (Italy) in region 3 km E Sellano (PG)

A magnitude Md 3.0 earthquake occured in region: 3 km E Sellano (PG), on

  • 06-10-1997 01:21:28 (UTC)
  • 06-10-1997 03:21:28 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9, 12.96 at 5 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 3 1079 1079
Preci PG 7 724 1803
Cerreto di Spoleto PG 9 1075 2878
Visso MC 11 1107 3985
Monte Cavallo MC 11 145 4130
Ussita MC 16 444 4574
Castelsantangelo sul Nera MC 16 281 4855
Norcia PG 16 4957 9812
Vallo di Nera PG 16 364 10176
Campello sul Clitunno PG 17 2442 12618
Trevi PG 17 8469 21087
Pieve Torina MC 18 1458 22545
Fiordimonte MC 19 202 22747
Serravalle di Chienti MC 20 1070 23817

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km E of Foligno (57155 inhabitants)
45 Km NE of Terni (111501 inhabitants)
52 Km E of Perugia (166134 inhabitants)
66 Km W of Teramo (54892 inhabitants)
71 Km NW of L'Aquila (69753 inhabitants)
88 Km NE of Viterbo (67173 inhabitants)
92 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 3.0
ML-VAX 2.0
1997-10-06
01:21:28
42.9 12.96 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 290589
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-10-06 01:21:28 ± 0.175
Latitude 42.90 ± 0.01
Longitude 12.96 ± 0.02
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 290589

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) 2274.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 149
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) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00243
Epicentral distance of station farthest from the epicenter (degree) 0.01206
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

Field Value
Value 3
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 290589
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:33:39

ML:2

Field Value
Value 2
Uncertainty
Num. used stations 5
Type of magnitude ML
Reference to an origin 290589
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
--.CSNT.Z. 1997-10-06T01:21:54.50 10.0 undecidable manual PN 295 0.0121 0.64 0.8
--.SDI.Z. 1997-10-06T01:21:53.69 10.0 undecidable manual PN 151 0.0121 0.3 1.2
--.RDP.Z. 1997-10-06T01:21:51.28 10.0 undecidable manual PN 188 0.0104 0.51 1
--.RSM.Z. 1997-10-06T01:21:51.70 10.0 undecidable manual PN 340 0.0098 1.09 0.2
--.ARV.Z. 1997-10-06T01:21:50.00 10.0 undecidable manual SG 358 0.0053 -0.28 0.6
--.CRE.Z. 1997-10-06T01:21:49.00 10.0 undecidable manual PG 314 0.0092 0.15 1.6
--.MNS.Z. 1997-10-06T01:21:48.00 10.0 undecidable manual SG 201 0.0049 -0.69 0.3
--.PQ9.Z. 1997-10-06T01:21:47.10 10.0 undecidable manual PG 159 0.0083 -0.06 1.7
--.AQU.Z. 1997-10-06T01:21:41.37 10.0 undecidable manual PG 148 0.0057 -0.13 1.7
--.ARV.Z. 1997-10-06T01:21:40.00 10.0 undecidable manual PG 358 0.0053 -0.91 0.4
--.MNS.Z. 1997-10-06T01:21:39.70 10.0 undecidable manual PG 201 0.0049 -0.29 1.5
--.ASS.Z. 1997-10-06T01:21:39.90 10.0 undecidable manual SG 306 0.0024 0.11 0.7
--.ASS.Z. 1997-10-06T01:21:33.99 10.0 undecidable manual PG 306 0.0024 -0.4 1.3
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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