Earthquake with magnitude of Md 2.0 on date 11-06-1999 and time 21:31:49 (UTC) in region 2 km SE Apecchio (PU)

A magnitude Md 2.0 earthquake occured in region: 2 km SE Apecchio (PU), on

  • 11-06-1999 21:31:49 (UTC)
  • 11-06-1999 23:31:49 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.5430, 12.4330 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 2 1882 1882
Piobbico PU 8 2029 3911
Pietralunga PG 11 2111 6022
Sant'Angelo in Vado PU 14 4133 10155
Mercatello sul Metauro PU 14 1378 11533
Urbania PU 16 7099 18632
Borgo Pace PU 17 606 19238
Cagli PU 17 8731 27969
Cantiano PU 18 2245 30214
Peglio PU 18 696 30910
CittĂ  di Castello PG 18 39913 70823
Belforte all'Isauro PU 20 769 71592

Municipalities with at least 50000 inhabitants

An earthquake occurred to
45 Km E of Arezzo (99543 inhabitants)
49 Km N of Perugia (166134 inhabitants)
56 Km SW of Pesaro (94582 inhabitants)
58 Km SW of Fano (60888 inhabitants)
59 Km S of Rimini (147750 inhabitants)
68 Km S of Cesena (96758 inhabitants)
69 Km NW of Foligno (57155 inhabitants)
82 Km SE of Forlì (117913 inhabitants)
88 Km W of Ancona (100861 inhabitants)
92 Km E of Siena (53903 inhabitants)
94 Km SE of Faenza (58541 inhabitants)
98 Km E of Firenze (382808 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 2.0 1999-06-11
21:31:49
43.543 12.433 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 368239
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1999-06-11 21:31:49 ± 0.43
Latitude 43.5430 ± 0.0194
Longitude 12.4330 ± 0.0352
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 368239

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) 3563.5
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) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00259
Epicentral distance of station farthest from the epicenter (degree) 0.00550
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitude information

Md:2.0

Field Value
Value 2.0
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 368239
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 22:45:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.PGD.Z. 1999-06-11T21:32:09.15 10.0 undecidable manual SG 303 0.6105 -1.59 0.1
--.SNTG.Z. 1999-06-11T21:32:06.71 10.0 undecidable manual SG 128 0.4662 0.6 0.6
--.ASS.Z. 1999-06-11T21:32:06.55 10.0 undecidable manual SG 161 0.4995 -0.8 0.4
--.PGD.Z. 1999-06-11T21:32:02.65 10.0 undecidable manual PG 303 0.6105 1.02 0.6
--.FB9.Z. 1999-06-11T21:32:00.71 10.0 undecidable manual SG 59 0.2886 0.28 0.8
--.SNTG.Z. 1999-06-11T21:31:59.00 10.0 undecidable manual PG 128 0.4662 0.05 2
--.ASS.Z. 1999-06-11T21:31:59.70 10.0 undecidable manual PG 161 0.4995 0.04 2
--.FB9.Z. 1999-06-11T21:31:55.16 10.0 undecidable manual PG 59 0.2886 -0.52 1.6
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