Earthquake with magnitude of Md 2.0 on date 12-06-1999 and time 11:28:30 (UTC) in region 6 km S Pietralunga (PG)

A magnitude Md 2.0 earthquake occured in region: 6 km S Pietralunga (PG), on

  • 12-06-1999 11:28:30 (UTC)
  • 12-06-1999 13:28:30 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.3870, 12.4340 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
Pietralunga PG 6 2111 2111
Montone PG 9 1680 3791
Umbertide PG 12 16681 20472
Gubbio PG 12 32216 52688
CittĂ  di Castello PG 18 39913 92601
Cantiano PU 19 2245 94846
Scheggia e Pascelupo PG 19 1393 96239
Apecchio PU 19 1882 98121

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km N of Perugia (166134 inhabitants)
45 Km E of Arezzo (99543 inhabitants)
53 Km NW of Foligno (57155 inhabitants)
69 Km SW of Fano (60888 inhabitants)
70 Km SW of Pesaro (94582 inhabitants)
76 Km S of Rimini (147750 inhabitants)
85 Km S of Cesena (96758 inhabitants)
89 Km E of Siena (53903 inhabitants)
91 Km W of Ancona (100861 inhabitants)
93 Km N of Terni (111501 inhabitants)
98 Km SE of Forlì (117913 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 1999-06-12
11:28:30
43.387 12.434 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 368399
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1999-06-12 11:28:30 ± 0.243
Latitude 43.3870 ± 0.0192
Longitude 12.4340 ± 0.0184
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 368399

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) 2601.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 150
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00324
Epicentral distance of station farthest from the epicenter (degree) 0.00372
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 4
Type of magnitude Md
Reference to an origin 368399
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 22:45:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.ASS.Z. 1999-06-12T11:28:45.40 10.0 undecidable manual SG 153 0.3552 0.77 0.3
--.ARV.Z. 1999-06-12T11:28:45.20 10.0 undecidable manual SG 73 0.3885 0.09 0.8
--.SNTG.Z. 1999-06-12T11:28:44.45 10.0 undecidable manual SG 109 0.3885 -0.8 0.3
--.CRE.Z. 1999-06-12T11:28:39.70 10.0 undecidable manual PG 303 0.4107 0.03 1.9
--.SNTG.Z. 1999-06-12T11:28:39.85 10.0 undecidable manual PG 109 0.3885 0.72 0.8
--.ARV.Z. 1999-06-12T11:28:38.88 10.0 undecidable manual PG 73 0.3885 -0.17 1.9
--.ASS.Z. 1999-06-12T11:28:37.96 10.0 undecidable manual PG 153 0.3552 -0.61 1
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