Earthquake with magnitude of Md 2.4 on date 25-10-1990 and time 02:09:37 (Italy) in region 4 km E Cantiano (PU)

A magnitude Md 2.4 earthquake occured in region: 4 km E Cantiano (PU), on

  • 25-10-1990 01:09:37 (UTC)
  • 25-10-1990 02:09:37 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.4580, 12.6780 at 5 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
Cantiano PU 4 2245 2245
Scheggia e Pascelupo PG 6 1393 3638
Frontone PU 8 1300 4938
Serra Sant'Abbondio PU 8 1027 5965
Cagli PU 10 8731 14696
Costacciaro PG 11 1216 15912
Gubbio PG 14 32216 48128
Sassoferrato AN 15 7285 55413
Sigillo PG 15 2404 57817
Pergola PU 17 6333 64150
Acqualagna PU 18 4393 68543
Fossato di Vico PG 19 2840 71383
Pietralunga PG 20 2111 73494
Piobbico PU 20 2029 75523

Municipalities with at least 50000 inhabitants

An earthquake occurred to
45 Km NE of Perugia (166134 inhabitants)
51 Km SW of Fano (60888 inhabitants)
54 Km SW of Pesaro (94582 inhabitants)
56 Km N of Foligno (57155 inhabitants)
64 Km E of Arezzo (99543 inhabitants)
68 Km S of Rimini (147750 inhabitants)
70 Km W of Ancona (100861 inhabitants)
83 Km SE of Cesena (96758 inhabitants)
99 Km SE of Forlì (117913 inhabitants)
100 Km N of Terni (111501 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 1990-10-25
01:09:37
43.458 12.678 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 129349
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-10-25 01:09:37 ± 0.185
Latitude 43.4580 ± 0.0120
Longitude 12.6780 ± 0.0143
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 129349

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) 1764.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 131
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) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00170
Epicentral distance of station farthest from the epicenter (degree) 0.01740
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 129349
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:00:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.SDI.Z. 1990-10-25T01:10:10.50 10.0 undecidable manual PN 154 1.9314 -0.06 0.8
--.RM8.Z. 1990-10-25T01:10:01.75 10.0 undecidable manual SG 142 0.6327 1.35 0
--.MNS.Z. 1990-10-25T01:09:58.00 10.0 undecidable manual PG 180 1.0656 -0.68 0.4
--.ASS.Z. 1990-10-25T01:09:53.00 10.0 undecidable manual SG 182 0.3996 0.51 0.4
--.CIO.Z. 1990-10-25T01:09:53.33 10.0 undecidable manual SG 127 0.4218 -0.42 0.5
--.SFI.Z. 1990-10-25T01:09:52.52 10.0 undecidable manual PG 307 0.7437 -0.13 1.5
--.RM8.Z. 1990-10-25T01:09:50.20 10.0 undecidable manual PG 142 0.6327 -0.37 1.3
--.CRE.Z. 1990-10-25T01:09:49.33 10.0 undecidable manual PG 287 0.5439 0.32 1.3
--.CIO.Z. 1990-10-25T01:09:46.00 10.0 undecidable manual PG 127 0.4218 -0.73 0.5
--.ARV.Z. 1990-10-25T01:09:45.45 10.0 undecidable manual SG 78 0.1887 0.53 0.4
--.ASS.Z. 1990-10-25T01:09:45.83 10.0 undecidable manual PG 182 0.3996 -0.17 1.6
--.ARV.Z. 1990-10-25T01:09:41.50 10.0 negative manual PG 78 0.1887 -0.13 3.3
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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