Earthquake with magnitude of Md 2.0 on date 15-03-1998 and time 21:15:13 (Italy) in region 2 km NW Gualdo Tadino (PG)

A magnitude Md 2.0 earthquake occured in region: 2 km NW Gualdo Tadino (PG), on

  • 15-03-1998 20:15:13 (UTC)
  • 15-03-1998 21:15:13 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.2450, 12.7750 at 16 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 2 15208 15208
Fossato di Vico PG 6 2840 18048
Sigillo PG 10 2404 20452
Costacciaro PG 14 1216 21668
Esanatoglia MC 14 2034 23702
Fiuminata MC 14 1402 25104
Fabriano AN 15 31480 56584
Nocera Umbra PG 15 5839 62423
Valfabbrica PG 17 3389 65812
Sefro MC 18 422 66234
Pioraco MC 19 1134 67368
Matelica MC 19 9981 77349
Cerreto d'Esi AN 19 3817 81166
Scheggia e Pascelupo PG 20 1393 82559
Gubbio PG 20 32216 114775

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km N of Foligno (57155 inhabitants)
35 Km E of Perugia (166134 inhabitants)
70 Km S of Fano (60888 inhabitants)
73 Km SW of Ancona (100861 inhabitants)
75 Km S of Pesaro (94582 inhabitants)
76 Km E of Arezzo (99543 inhabitants)
77 Km N of Terni (111501 inhabitants)
92 Km S of Rimini (147750 inhabitants)
100 Km NW of Teramo (54892 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 2.0
ML-VAX 1.5
1998-03-15
20:15:13
43.245 12.775 16 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 325159
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1998-03-15 20:15:13 ± 0.203
Latitude 43.2450 ± 0.0064
Longitude 12.7750 ± 0.0158
Depth (km) 16 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 325159

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) 1466.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 154
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00105
Epicentral distance of station farthest from the epicenter (degree) 0.00769
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitudes information

Md:2.0

Field Value
Value 2.0
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 325159
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 22:04:51

ML:1.5

Field Value
Value 1.5
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 325159
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(km) Takeoff_angle Residual Weight
--.MNS.Z. 1998-03-15T20:15:43.66 10.0 undecidable manual SG 184 0.8547 0.55 0.1
--.NRCA.Z. 1998-03-15T20:15:30.80 10.0 undecidable manual SG 149 0.4773 -0.1 0.5
--.MNS.Z. 1998-03-15T20:15:29.77 10.0 undecidable manual PG 184 0.8547 -0.8 0
--.FB9.Z. 1998-03-15T20:15:29.87 10.0 undecidable manual SG 0 0.444 0.04 0.5
--.NRCA.Z. 1998-03-15T20:15:23.74 10.0 negative manual PG 149 0.4773 0.22 1.8
--.ARV.Z. 1998-03-15T20:15:23.76 10.0 undecidable manual SG? 25 0.2775 -0.92 0
--.ASS.Z. 1998-03-15T20:15:22.25 10.0 undecidable manual SG 206 0.1998 -0.11 0.5
--.FB9.Z. 1998-03-15T20:15:22.90 10.0 undecidable manual PG 0 0.444 -0.01 1.2
--.ARV.Z. 1998-03-15T20:15:19.99 10.0 undecidable manual PG 25 0.2775 0.06 1.3
--.SNTG.Z. 1998-03-15T20:15:19.76 10.0 undecidable manual SG 85 0.1221 -0.43 0.2
--.ASS.Z. 1998-03-15T20:15:18.74 10.0 positive manual PG 206 0.1998 0.15 2.3
--.SNTG.Z. 1998-03-15T20:15:17.40 10.0 positive manual PG 85 0.1221 0.06 2.6
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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