Earthquake with magnitude of Md 2.1 on date 15-06-1999 and time 14:15:35 (Italy) in region 4 km N Valfabbrica (PG)

A magnitude Md 2.1 earthquake occured in region: 4 km N Valfabbrica (PG), on

  • 15-06-1999 12:15:35 (UTC)
  • 15-06-1999 14:15:35 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1940, 12.6110 at 9 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
Valfabbrica PG 4 3389 3389
Assisi PG 14 28299 31688
Gualdo Tadino PG 15 15208 46896
Bastia Umbra PG 15 21874 68770
Fossato di Vico PG 17 2840 71610
Nocera Umbra PG 17 5839 77449
Gubbio PG 18 32216 109665
Sigillo PG 19 2404 112069
Valtopina PG 19 1398 113467

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km E of Perugia (166134 inhabitants)
28 Km N of Foligno (57155 inhabitants)
66 Km E of Arezzo (99543 inhabitants)
70 Km N of Terni (111501 inhabitants)
80 Km SW of Fano (60888 inhabitants)
83 Km SW of Pesaro (94582 inhabitants)
87 Km SW of Ancona (100861 inhabitants)
96 Km NE of Viterbo (67173 inhabitants)
97 Km S of Rimini (147750 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 2.1 1999-06-15
12:15:35
43.194 12.611 9 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 368849
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1999-06-15 12:15:35 ± 0.109
Latitude 43.1940 ± 0.0052
Longitude 12.6110 ± 0.0096
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 368849

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) 970.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 144
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) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00121
Epicentral distance of station farthest from the epicenter (degree) 0.00575
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:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 5
Type of magnitude Md
Reference to an origin 368849
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 22:46:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.CRE.Z. 1999-06-15T12:15:57.89 10.0 undecidable manual SG 311 0.6327 -0.18 0.3
--.NRCA.Z. 1999-06-15T12:15:54.60 10.0 undecidable manual SG 134 0.5106 0.05 0.5
--.ARV.Z. 1999-06-15T12:15:50.13 10.0 undecidable manual SG 38 0.3885 0.15 0.4
--.CRE.Z. 1999-06-15T12:15:48.81 10.0 undecidable manual PG 311 0.6327 0.32 0.3
--.NRCA.Z. 1999-06-15T12:15:46.40 10.0 undecidable manual PG 134 0.5106 -0.1 1.1
--.SNTG.Z. 1999-06-15T12:15:45.94 10.0 undecidable manual SG 75 0.2442 0.51 0
--.ARV.Z. 1999-06-15T12:15:43.53 10.0 positive manual PG 38 0.3885 -0.29 1.1
--.SNTG.Z. 1999-06-15T12:15:41.26 10.0 positive manual PG 75 0.2442 0.07 2.8
--.ASS.Z. 1999-06-15T12:15:41.45 10.0 undecidable manual SG 167 0.1332 -0.03 0.6
--.ASS.Z. 1999-06-15T12:15:38.90 10.0 positive manual PG 167 0.1332 -0.01 2.9
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