Earthquake with magnitude of Md 3.0 on date 06-09-1998 and time 13:51:23 (Italy) in region 9 km W Gualdo Tadino (PG)

A magnitude Md 3.0 earthquake occured in region: 9 km W Gualdo Tadino (PG), on

  • 06-09-1998 11:51:23 (UTC)
  • 06-09-1998 13:51:23 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.22, 12.68 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
Gualdo Tadino PG 9 15208 15208
Valfabbrica PG 9 3389 18597
Fossato di Vico PG 11 2840 21437
Sigillo PG 14 2404 23841
Nocera Umbra PG 15 5839 29680
Costacciaro PG 16 1216 30896
Gubbio PG 17 32216 63112
Assisi PG 17 28299 91411
Valtopina PG 19 1398 92809
Bastia Umbra PG 20 21874 114683

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km E of Perugia (166134 inhabitants)
29 Km N of Foligno (57155 inhabitants)
70 Km E of Arezzo (99543 inhabitants)
73 Km N of Terni (111501 inhabitants)
75 Km SW of Fano (60888 inhabitants)
79 Km S of Pesaro (94582 inhabitants)
81 Km SW of Ancona (100861 inhabitants)
94 Km S of Rimini (147750 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
1998-09-06
11:51:23
43.22 12.68 4 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 350269
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1998-09-06 11:51:23 ± 0.305
Latitude 43.22 ± 0.01
Longitude 12.68 ± 0.02
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 350269

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) 2321.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 80
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.7
Epicentral distance of station closest to the epicenter (degree) 0.00138
Epicentral distance of station farthest from the epicenter (degree) 0.0289
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 16
Magnitudes information

Md:3

Field Value
Value 3
Uncertainty
Num. used stations 10
Type of magnitude Md
Reference to an origin 350269
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 22:28:07

ML:2

Field Value
Value 2
Uncertainty
Num. used stations 8
Type of magnitude ML
Reference to an origin 350269
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
--.PTCC.Z. 1998-09-06T11:52:13.81 10.0 undecidable manual PN 8 0.0289 -0.44 0.8
--.CTI.Z. 1998-09-06T11:52:11.39 10.0 undecidable manual PN 345 0.0262 1.26 0.4
--.RMP.Z. 1998-09-06T11:52:09.84 10.0 undecidable manual SN 179 0.0126 1.16 0.3
--.AQU.Z. 1998-09-06T11:51:58.49 10.0 undecidable manual SG 148 0.0091 -0.22 0.7
--.CSNT.Z. 1998-09-06T11:51:58.82 10.0 undecidable manual SG 284 0.0093 -0.68 0.5
--.SFI.Z. 1998-09-06T11:51:56.76 10.0 undecidable manual SG 318 0.0082 1.38 0.2
--.SDI.Z. 1998-09-06T11:51:54.58 10.0 undecidable manual PN 150 0.0155 0.85 0.9
--.PII.Z. 1998-09-06T11:51:53.90 10.0 undecidable manual PN 288 0.0147 0.5 1.2
--.BDI.Z. 1998-09-06T11:51:52.77 10.0 undecidable manual PN 299 0.0155 -0.97 0.8
--.MNS.Z. 1998-09-06T11:51:51.68 10.0 undecidable manual SG 179 0.0074 -1.24 0.3
--.RDP.Z. 1998-09-06T11:51:51.57 10.0 undecidable manual PN 178 0.0131 1.46 0.4
--.RMP.Z. 1998-09-06T11:51:49.58 10.0 undecidable manual PN 179 0.0126 0.2 1.5
--.GRFL.Z. 1998-09-06T11:51:49.10 10.0 undecidable manual PN 267 0.0112 1.89 0.2
--.CRE.Z. 1998-09-06T11:51:47.57 10.0 undecidable manual SG 307 0.0059 0.17 0.7
--.CSNT.Z. 1998-09-06T11:51:43.22 10.0 undecidable manual PG 284 0.0093 -0.86 1.1
--.NRCA.Z. 1998-09-06T11:51:42.50 10.0 undecidable manual SG 140 0.0045 -0.13 0.7
--.AQU.Z. 1998-09-06T11:51:42.78 10.0 undecidable manual PG 148 0.0091 -0.84 1.2
--.SFI.Z. 1998-09-06T11:51:41.20 10.0 undecidable manual PG 318 0.0082 -0.5 1.5
--.MNS.Z. 1998-09-06T11:51:39.16 10.0 undecidable manual PG 179 0.0074 -1.12 0.8
--.CRE.Z. 1998-09-06T11:51:35.51 10.0 undecidable manual PG 307 0.0059 -1.58 0.4
--.NRCA.Z. 1998-09-06T11:51:33.18 10.0 negative manual PG 140 0.0045 -0.9 2.2
--.ASS.Z. 1998-09-06T11:51:29.70 10.0 undecidable manual SG 186 0.0014 0.45 0.6
--.ASS.Z. 1998-09-06T11:51:27.70 10.0 positive manual PG 186 0.0014 0.46 3.1
--.SNTG.Z. 1998-09-06T11:51:27.73 10.0 positive manual PG 79 0.0017 0.34 3.3
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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