Earthquake with magnitude of Md 3.0 on date 14-08-1998 and time 22:56:45 (UTC) in region 4 km S Gualdo Tadino (PG)

A magnitude Md 3.0 earthquake occured in region: 4 km S Gualdo Tadino (PG), on

  • 14-08-1998 22:56:45 (UTC)
  • 15-08-1998 00:56:45 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.194, 12.771 at 10 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 4 15208 15208
Nocera Umbra PG 9 5839 21047
Fossato di Vico PG 11 2840 23887
Fiuminata MC 13 1402 25289
Valfabbrica PG 14 3389 28678
Valtopina PG 15 1398 30076
Sefro MC 15 422 30498
Sigillo PG 16 2404 32902
Esanatoglia MC 16 2034 34936
Pioraco MC 18 1134 36070
Assisi PG 19 28299 64369
Costacciaro PG 19 1216 65585
Fabriano AN 19 31480 97065
Serravalle di Chienti MC 20 1070 98135

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km N of Foligno (57155 inhabitants)
32 Km E of Perugia (166134 inhabitants)
71 Km N of Terni (111501 inhabitants)
75 Km S of Fano (60888 inhabitants)
77 Km SW of Ancona (100861 inhabitants)
78 Km E of Arezzo (99543 inhabitants)
81 Km S of Pesaro (94582 inhabitants)
97 Km NW of Teramo (54892 inhabitants)
98 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 1.7
1998-08-14
22:56:45
43.194 12.771 10 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 348199
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1998-08-14 22:56:45 ± 0.127
Latitude 43.1940 ± 0.0077
Longitude 12.7710 ± 0.0144
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 348199

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) 1444.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 81
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
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) 0.00121
Epicentral distance of station farthest from the epicenter (degree) 0.00996
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

Md:3

Field Value
Value 3
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 348199
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 22:26:09

ML:1.7

Field Value
Value 1.7
Uncertainty
Num. used stations 5
Type of magnitude ML
Reference to an origin 348199
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
--.MNS.Z. 1998-08-14T22:57:13.90 10.0 undecidable manual SG 184 0.0073 0.45 0.2
--.CSNT.Z. 1998-08-14T22:57:07.66 10.0 undecidable manual PN 285 0.01 0.87 0.1
--.SFI.Z. 1998-08-14T22:57:05.23 10.0 undecidable manual PG 317 0.0087 0.59 0.3
--.FB9.Z. 1998-08-14T22:57:03.52 10.0 undecidable manual SG 0 0.0045 0.13 0.5
--.NRCA.Z. 1998-08-14T22:57:02.35 10.0 undecidable manual SG 145 0.0039 0.86 0.1
--.MNS.Z. 1998-08-14T22:57:00.84 10.0 undecidable manual PG 184 0.0073 -0.77 0.2
--.CRE.Z. 1998-08-14T22:57:00.80 10.0 undecidable manual PG 305 0.0066 -0.05 1.1
--.ARV.Z. 1998-08-14T22:56:57.94 10.0 undecidable manual SG 22 0.0029 -0.05 0.5
--.FB9.Z. 1998-08-14T22:56:55.35 10.0 positive manual PG 0 0.0045 -0.45 1.5
--.NRCA.Z. 1998-08-14T22:56:54.62 10.0 positive manual PG 145 0.0039 -0.09 2.6
--.ARV.Z. 1998-08-14T22:56:52.44 10.0 positive manual PG 22 0.0029 -0.24 2.2
--.ASS.Z. 1998-08-14T22:56:52.20 10.0 undecidable manual SG 213 0.0014 -0.34 0.4
--.SNTG.Z. 1998-08-14T22:56:51.98 10.0 undecidable manual SG 63 0.0012 0.28 0.4
--.SNTG.Z. 1998-08-14T22:56:49.30 10.0 positive manual PG 63 0.0012 0.25 2.2
--.ASS.Z. 1998-08-14T22:56:49.34 10.0 positive manual PG 213 0.0014 -0.09 2.6
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download