Earthquake with magnitude of Md 2.4 on date 14-01-1990 and time 01:40:27 (UTC) in region 9 km W Apecchio (PU)

A magnitude Md 2.4 earthquake occured in region: 9 km W Apecchio (PU), on

  • 14-01-1990 01:40:27 (UTC)
  • 14-01-1990 02:40:27 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.5630, 12.3110 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
Apecchio PU 9 1882 1882
Mercatello sul Metauro PU 10 1378 3260
San Giustino PG 11 11297 14557
Borgo Pace PU 11 606 15163
CittĂ  di Castello PG 13 39913 55076
Sansepolcro AR 14 15884 70960
Sant'Angelo in Vado PU 14 4133 75093
Sestino AR 16 1355 76448
Piobbico PU 16 2029 78477
Pietralunga PG 17 2111 80588
Citerna PG 17 3531 84119
Belforte all'Isauro PU 18 769 84888
Monterchi AR 18 1757 86645
Monte Santa Maria Tiberina PG 18 1183 87828
Badia Tedalda AR 19 1087 88915
Piandimeleto PU 20 2167 91082

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km E of Arezzo (99543 inhabitants)
51 Km N of Perugia (166134 inhabitants)
59 Km SW of Rimini (147750 inhabitants)
62 Km SW of Pesaro (94582 inhabitants)
64 Km S of Cesena (96758 inhabitants)
65 Km W of Fano (60888 inhabitants)
75 Km NW of Foligno (57155 inhabitants)
77 Km S of Forlì (117913 inhabitants)
84 Km E of Siena (53903 inhabitants)
87 Km SE of Faenza (58541 inhabitants)
88 Km E of Firenze (382808 inhabitants)
93 Km E of Scandicci (50609 inhabitants)
96 Km S of Ravenna (159116 inhabitants)
98 Km W of Ancona (100861 inhabitants)
100 Km SE of Imola (69797 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 1990-01-14
01:40:27
43.563 12.311 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 107829
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-01-14 01:40:27 ± 0.131
Latitude 43.5630 ± 0.0138
Longitude 12.3110 ± 0.0129
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 107829

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) 1846.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 141
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
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) 0.00235
Epicentral distance of station farthest from the epicenter (degree) 0.00502
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

Md:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 107829
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:40:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.ASS.Z. 1990-01-14T01:40:47.50 10.0 undecidable manual SG 153 0.555 0.29 0.6
--.PGD.Z. 1990-01-14T01:40:46.50 10.0 undecidable manual SG 306 0.5217 0.28 0.4
--.ARV.Z. 1990-01-14T01:40:44.70 10.0 undecidable manual SG 97 0.4551 -0.08 0.8
--.ASS.Z. 1990-01-14T01:40:38.50 10.0 undecidable manual PG 153 0.555 -0.32 1.3
--.PGD.Z. 1990-01-14T01:40:38.50 10.0 undecidable manual PG 306 0.5217 0.25 1.3
--.ARV.Z. 1990-01-14T01:40:37.33 10.0 undecidable manual PG 97 0.4551 0.27 1.5
--.SFI.Z. 1990-01-14T01:40:36.50 10.0 undecidable manual PG 315 0.4773 -0.82 0.4
--.CRE.Z. 1990-01-14T01:40:33.50 10.0 undecidable manual PG 282 0.2553 0.09 1.8
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download