Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Md 2.4 on date 10-01-1990 and time 10:14:51 (UTC) in region 5 km E Apecchio (PU)

A magnitude Md 2.4 earthquake occured in region: 5 km E Apecchio (PU), on

  • 10-01-1990 10:14:51 (UTC)
  • 10-01-1990 11:14:51 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.5470, 12.4750 at 6 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Apecchio PU 5 1882 1882
Piobbico PU 6 2029 3911
Pietralunga PG 12 2111 6022
Cagli PU 14 8731 14753
Sant'Angelo in Vado PU 14 4133 18886
Urbania PU 14 7099 25985
Cantiano PU 15 2245 28230
Mercatello sul Metauro PU 16 1378 29608
Peglio PU 17 696 30304
Acqualagna PU 18 4393 34697
Borgo Pace PU 19 606 35303

Municipalities with at least 50000 inhabitants

An earthquake occurred to
49 Km E of Arezzo (99543 inhabitants)
49 Km N of Perugia (166134 inhabitants)
54 Km SW of Pesaro (94582 inhabitants)
55 Km SW of Fano (60888 inhabitants)
58 Km S of Rimini (147750 inhabitants)
68 Km N of Foligno (57155 inhabitants)
68 Km S of Cesena (96758 inhabitants)
83 Km SE of Forlì (117913 inhabitants)
85 Km W of Ancona (100861 inhabitants)
95 Km SE of Faenza (58541 inhabitants)
96 Km E of Siena (53903 inhabitants)
99 Km S of Ravenna (159116 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
ML-VAX 1.9 		1990-01-10
10:14:51		 43.547 12.475 6 2013-07-15
08:40:51		 Bollettino Sismico Italiano INGV 107589
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-01-10 10:14:51 ± 0.314
Latitude 43.5470 ± 0.0200
Longitude 12.4750 ± 0.0199
Depth (km) 6 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 107589

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) 2745.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 115
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.6
Epicentral distance of station closest to the epicenter (degree) 0.00308
Epicentral distance of station farthest from the epicenter (degree) 0.00988
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

Md:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 107589
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:40:10

ML:1.9

Field Value
Value 1.9
Uncertainty
Num. used stations 2
Type of magnitude ML
Reference to an origin 107589
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. 1990-01-10T10:15:32.80 10.0 undecidable manual SN! 133 1.0989 2.35 0
--.AOI.Z. 1990-01-10T10:15:21.57 10.0 undecidable manual SG 89 0.8103 0.85 0.5
--.RM8.Z. 1990-01-10T10:15:21.83 10.0 undecidable manual SG 138 0.7881 1.67 0.1
--.PGD.Z. 1990-01-10T10:15:15.81 10.0 undecidable manual SG 301 0.6327 0.89 0.4
--.CIO.Z. 1990-01-10T10:15:14.45 10.0 undecidable manual SG 126 0.5883 0.64 0.8
--.ALP.Z. 1990-01-10T10:15:13.50 10.0 undecidable manual PN 133 1.0989 -0.2 2.4
--.ASS.Z. 1990-01-10T10:15:12.32 10.0 undecidable manual SG 165 0.4995 1.69 0.1
--.SFI.Z. 1990-01-10T10:15:11.39 10.0 undecidable manual SG 308 0.5772 -1.64 0.1
--.AOI.Z. 1990-01-10T10:15:07.20 10.0 undecidable manual PG 89 0.8103 -1.29 0.4
--.CRE.Z. 1990-01-10T10:15:07.00 10.0 undecidable manual SG 281 0.3774 0.22 0.7
--.RM8.Z. 1990-01-10T10:15:07.44 10.0 undecidable manual PG 138 0.7881 -0.72 2
--.RSM.Z. 1990-01-10T10:15:06.96 10.0 undecidable manual SG 357 0.3774 0.34 0.6
--.PGD.Z. 1990-01-10T10:15:06.42 10.0 undecidable manual PG 301 0.6327 1.28 0.5
--.ARV.Z. 1990-01-10T10:15:06.00 10.0 undecidable manual SG 98 0.3441 0.84 0.4
--.SFI.Z. 1990-01-10T10:15:03.72 10.0 undecidable manual PG 308 0.5772 -0.33 1.6
--.CIO.Z. 1990-01-10T10:15:03.77 10.0 undecidable manual PG 126 0.5883 -0.73 2.3
--.ASS.Z. 1990-01-10T10:15:02.47 10.0 undecidable manual PG 165 0.4995 -0.2 1.7
--.CRE.Z. 1990-01-10T10:15:00.50 10.0 undecidable manual PG 281 0.3774 0.05 1.7
--.RSM.Z. 1990-01-10T10:15:00.91 10.0 undecidable manual PG 357 0.3774 0.56 1.4
--.ARV.Z. 1990-01-10T10:15:00.80 10.0 undecidable manual PG 98 0.3441 0.57 1.4
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