Earthquake with magnitude of Md 2.4 on date 27-04-1999 and time 21:38:12 (UTC) in region 6 km W Cantiano (PU)

A magnitude Md 2.4 earthquake occured in region: 6 km W Cantiano (PU), on

  • 27-04-1999 21:38:12 (UTC)
  • 27-04-1999 23:38:12 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.4470, 12.5600 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 6 2245 2245
Pietralunga PG 10 2111 4356
Scheggia e Pascelupo PG 10 1393 5749
Gubbio PG 10 32216 37965
Cagli PU 13 8731 46696
Costacciaro PG 16 1216 47912
Piobbico PU 16 2029 49941
Frontone PU 16 1300 51241
Apecchio PU 17 1882 53123
Serra Sant'Abbondio PU 18 1027 54150
Sigillo PG 20 2404 56554

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km NE of Perugia (166134 inhabitants)
55 Km E of Arezzo (99543 inhabitants)
56 Km N of Foligno (57155 inhabitants)
58 Km SW of Fano (60888 inhabitants)
59 Km SW of Pesaro (94582 inhabitants)
68 Km S of Rimini (147750 inhabitants)
80 Km W of Ancona (100861 inhabitants)
81 Km SE of Cesena (96758 inhabitants)
96 Km SE of Forlì (117913 inhabitants)
99 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 1999-04-27
21:38:12
43.447 12.56 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 364199
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1999-04-27 21:38:12 ± 0.177
Latitude 43.4470 ± 0.0104
Longitude 12.5600 ± 0.0151
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 364199

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) 1677.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 121
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
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) 0.00259
Epicentral distance of station farthest from the epicenter (degree) 0.00664
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

Md:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 364199
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 22:41:37
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.CRE.Z. 1999-04-27T21:38:30.50 10.0 undecidable manual SG 291 0.4662 -0.09 0.7
--.SFI.Z. 1999-04-27T21:38:27.23 10.0 undecidable manual PG 312 0.6882 0.3 1.2
--.PGD.Z. 1999-04-27T21:38:27.32 10.0 undecidable manual PG 305 0.7326 -0.6 0.6
--.SNTG.Z. 1999-04-27T21:38:26.49 10.0 undecidable manual SG 124 0.333 0.9 0.1
--.ASS.Z. 1999-04-27T21:38:26.50 10.0 undecidable manual SG 170 0.3885 -1.13 0
--.FB9.Z. 1999-04-27T21:38:23.56 10.0 undecidable manual SG 32 0.2886 -0.31 0.6
--.CRE.Z. 1999-04-27T21:38:23.50 10.0 undecidable manual PG 291 0.4662 0.55 0.9
--.ASS.Z. 1999-04-27T21:38:21.43 10.0 undecidable manual PG 170 0.3885 0.2 1.8
--.SNTG.Z. 1999-04-27T21:38:19.99 10.0 undecidable manual PG 124 0.333 -0.07 1.9
--.FB9.Z. 1999-04-27T21:38:18.94 10.0 undecidable manual PG 32 0.2886 -0.13 1.9
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