Earthquake with magnitude of Md 2.4 on date 14-07-1990 and time 17:42:19 (Italy) in region 1 km NE Gualdo Tadino (PG)

A magnitude Md 2.4 earthquake occured in region: 1 km NE Gualdo Tadino (PG), on

  • 14-07-1990 15:42:19 (UTC)
  • 14-07-1990 17:42:19 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.2430, 12.7930 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 1 15208 15208
Fossato di Vico PG 6 2840 18048
Sigillo PG 11 2404 20452
Esanatoglia MC 13 2034 22486
Fiuminata MC 13 1402 23888
Fabriano AN 14 31480 55368
Costacciaro PG 15 1216 56584
Nocera Umbra PG 15 5839 62423
Sefro MC 17 422 62845
Pioraco MC 17 1134 63979
Matelica MC 18 9981 73960
Cerreto d'Esi AN 18 3817 77777
Valfabbrica PG 18 3389 81166

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km N of Foligno (57155 inhabitants)
36 Km E of Perugia (166134 inhabitants)
69 Km S of Fano (60888 inhabitants)
72 Km SW of Ancona (100861 inhabitants)
75 Km S of Pesaro (94582 inhabitants)
77 Km N of Terni (111501 inhabitants)
78 Km E of Arezzo (99543 inhabitants)
93 Km S of Rimini (147750 inhabitants)
99 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 2.4 1990-07-14
15:42:19
43.243 12.793 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 123229
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-07-14 15:42:19 ± 0.18
Latitude 43.2430 ± 0.0103
Longitude 12.7930 ± 0.0164
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 123229

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) 1747.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 99
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) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00186
Epicentral distance of station farthest from the epicenter (degree) 0.00899
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

Md:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 123229
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:54:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.ALP.Z. 1990-07-14T15:42:43.40 10.0 undecidable manual SG 128 0.7326 -0.98 0.1
--.AOI.Z. 1990-07-14T15:42:42.40 10.0 undecidable manual SG 62 0.6549 0.25 0.5
--.PGD.Z. 1990-07-14T15:42:38.00 10.0 undecidable manual PG 309 0.999 -0.66 0.4
--.SFI.Z. 1990-07-14T15:42:37.00 10.0 undecidable manual PG 314 0.9435 -0.74 0.3
--.RMF.Z. 1990-07-14T15:42:34.60 10.0 undecidable manual SG 133 0.4107 -0.32 0.5
--.ALP.Z. 1990-07-14T15:42:33.90 10.0 undecidable manual PG 128 0.7326 0.25 1.1
--.AOI.Z. 1990-07-14T15:42:32.60 10.0 undecidable manual PG 62 0.6549 0.23 1.2
--.ARV.Z. 1990-07-14T15:42:30.24 10.0 undecidable manual SG 23 0.2664 0.4 0.4
--.RMF.Z. 1990-07-14T15:42:28.60 10.0 undecidable manual PG 133 0.4107 0.18 1.4
--.CIO.Z. 1990-07-14T15:42:28.10 10.0 undecidable manual SG 100 0.2553 -1.16 0
--.ASS.Z. 1990-07-14T15:42:27.84 10.0 undecidable manual SG 209 0.2109 0.24 0.5
--.CIO.Z. 1990-07-14T15:42:25.00 10.0 undecidable manual PG 100 0.2553 0.07 3
--.ARV.Z. 1990-07-14T15:42:25.65 10.0 positive manual PG 23 0.2664 0.39 2.2
--.ASS.Z. 1990-07-14T15:42:24.30 10.0 positive manual PG 209 0.2109 0.33 2.4
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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