Earthquake with magnitude of Md 2.3 on date 14-07-1990 and time 17:48:01 (Italy) in region 5 km E Gualdo Tadino (PG)

A magnitude Md 2.3 earthquake occured in region: 5 km E Gualdo Tadino (PG), on

  • 14-07-1990 15:48:01 (UTC)
  • 14-07-1990 17:48:01 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.2270, 12.8470 at 7 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 5 15208 15208
Fiuminata MC 8 1402 16610
Esanatoglia MC 9 2034 18644
Fossato di Vico PG 10 2840 21484
Sefro MC 12 422 21906
Pioraco MC 12 1134 23040
Fabriano AN 13 31480 54520
Nocera Umbra PG 14 5839 60359
Matelica MC 14 9981 70340
Sigillo PG 15 2404 72744
Cerreto d'Esi AN 15 3817 76561
Castelraimondo MC 17 4587 81148
Gagliole MC 18 620 81768
Costacciaro PG 18 1216 82984
Serravalle di Chienti MC 19 1070 84054
Valtopina PG 20 1398 85452

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km NE of Foligno (57155 inhabitants)
39 Km E of Perugia (166134 inhabitants)
70 Km SW of Ancona (100861 inhabitants)
70 Km S of Fano (60888 inhabitants)
76 Km N of Terni (111501 inhabitants)
76 Km S of Pesaro (94582 inhabitants)
82 Km E of Arezzo (99543 inhabitants)
94 Km NW of Teramo (54892 inhabitants)
96 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 2.3
ML-VAX 2.0
1990-07-14
15:48:01
43.227 12.847 7 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 123239
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-07-14 15:48:01 ± 0.106
Latitude 43.2270 ± 0.0061
Longitude 12.8470 ± 0.0125
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 123239

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) 1215.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 88
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00194
Epicentral distance of station farthest from the epicenter (degree) 0.00931
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitudes information

Md:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 123239
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:54:29

ML:2.0

Field Value
Value 2.0
Uncertainty
Num. used stations 1
Type of magnitude ML
Reference to an origin 123239
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
--.ALP.Z. 1990-07-14T15:48:25.80 10.0 undecidable manual SG 129 0.6882 0.16 0.4
--.AOI.Z. 1990-07-14T15:48:24.40 10.0 undecidable manual SG 59 0.6327 0.52 0.1
--.PGD.Z. 1990-07-14T15:48:21.50 10.0 undecidable manual PG 308 1.0323 -0.22 0.7
--.SFI.Z. 1990-07-14T15:48:20.50 10.0 undecidable manual PG 313 0.9879 -0.29 0.6
--.ALP.Z. 1990-07-14T15:48:15.00 10.0 undecidable manual PG 129 0.6882 -0.23 0.9
--.RMF.Z. 1990-07-14T15:48:15.41 10.0 undecidable manual SG 135 0.3774 -0.27 0.4
--.AOI.Z. 1990-07-14T15:48:14.40 10.0 undecidable manual PG 59 0.6327 0.19 2.1
--.ARV.Z. 1990-07-14T15:48:12.20 10.0 undecidable manual SG 14 0.2775 -0.06 0.6
--.ASS.Z. 1990-07-14T15:48:10.20 10.0 undecidable manual SG 220 0.2109 0.31 0.4
--.RMF.Z. 1990-07-14T15:48:09.46 10.0 undecidable manual PG 135 0.3774 -0.02 1.5
--.CIO.Z. 1990-07-14T15:48:08.80 10.0 undecidable manual SG 98 0.2109 -0.97 0
--.ARV.Z. 1990-07-14T15:48:07.39 10.0 positive manual PG 14 0.2775 0 3
--.CIO.Z. 1990-07-14T15:48:06.60 10.0 undecidable manual PG 98 0.2109 0.54 0.3
--.ASS.Z. 1990-07-14T15:48:06.80 10.0 positive manual PG 220 0.2109 0.06 2.9
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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