Earthquake with magnitude of Md 2.0 on date 02-06-1999 and time 01:49:31 (Italy) in region 5 km W Nocera Umbra (PG)

A magnitude Md 2.0 earthquake occured in region: 5 km W Nocera Umbra (PG), on

  • 01-06-1999 23:49:31 (UTC)
  • 02-06-1999 01:49:31 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1120, 12.7290 at 17 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
Nocera Umbra PG 5 5839 5839
Valtopina PG 6 1398 7237
Assisi PG 10 28299 35536
Valfabbrica PG 12 3389 38925
Spello PG 14 8645 47570
Gualdo Tadino PG 14 15208 62778
Bastia Umbra PG 15 21874 84652
Foligno PG 17 57155 141807
Cannara PG 17 4305 146112
Sefro MC 18 422 146534
Fiuminata MC 19 1402 147936
Serravalle di Chienti MC 19 1070 149006

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km N of Foligno (57155 inhabitants)
28 Km E of Perugia (166134 inhabitants)
62 Km N of Terni (111501 inhabitants)
79 Km SE of Arezzo (99543 inhabitants)
85 Km S of Fano (60888 inhabitants)
85 Km SW of Ancona (100861 inhabitants)
90 Km S of Pesaro (94582 inhabitants)
92 Km NE of Viterbo (67173 inhabitants)
94 Km NW of Teramo (54892 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 1999-06-01
23:49:31
43.112 12.729 17 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 367099
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1999-06-01 23:49:31 ± 0.22
Latitude 43.1120 ± 0.0075
Longitude 12.7290 ± 0.0205
Depth (km) 17 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 367099

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) 1860.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 134
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00065
Epicentral distance of station farthest from the epicenter (degree) 0.00648
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:2.0

Field Value
Value 2.0
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 367099
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 22:44:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.FB9.Z. 1999-06-01T23:49:52.41 10.0 undecidable manual SG 3 0.5772 0.08 0.5
--.NRCA.Z. 1999-06-01T23:49:46.52 10.0 undecidable manual SG 134 0.3885 0.08 0.7
--.ARV.Z. 1999-06-01T23:49:46.52 10.0 undecidable manual SG 21 0.4107 -0.61 0
--.MNS.Z. 1999-06-01T23:49:45.99 10.0 undecidable manual PG 182 0.7215 -0.25 0.7
--.FB9.Z. 1999-06-01T23:49:43.33 10.0 undecidable manual PG 3 0.5772 -0.23 0.9
--.NRCA.Z. 1999-06-01T23:49:40.17 10.0 undecidable manual PG 134 0.3885 0 1.7
--.ARV.Z. 1999-06-01T23:49:40.99 10.0 undecidable manual PG 21 0.4107 0.42 0.4
--.ASS.Z. 1999-06-01T23:49:37.61 10.0 undecidable manual SG 228 0.0666 -0.09 0.7
--.ASS.Z. 1999-06-01T23:49:35.18 10.0 positive manual PG 228 0.0666 0.06 3.3
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