Earthquake with magnitude of Md 2.0 on date 01-08-1993 and time 19:22:37 (UTC) in region 3 km W Pietralunga (PG)

A magnitude Md 2.0 earthquake occured in region: 3 km W Pietralunga (PG), on

  • 01-08-1993 19:22:37 (UTC)
  • 01-08-1993 21:22:37 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.4460, 12.4060 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 3 2111 2111
Montone PG 11 1680 3791
Apecchio PU 13 1882 5673
CittĂ  di Castello PG 14 39913 45586
Umbertide PG 17 16681 62267
Gubbio PG 17 32216 94483
Piobbico PU 18 2029 96512
Cantiano PU 18 2245 98757
Monte Santa Maria Tiberina PG 20 1183 99940

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km N of Perugia (166134 inhabitants)
42 Km E of Arezzo (99543 inhabitants)
60 Km NW of Foligno (57155 inhabitants)
66 Km SW of Pesaro (94582 inhabitants)
66 Km SW of Fano (60888 inhabitants)
70 Km S of Rimini (147750 inhabitants)
78 Km S of Cesena (96758 inhabitants)
88 Km E of Siena (53903 inhabitants)
91 Km SE of Forlì (117913 inhabitants)
92 Km W of Ancona (100861 inhabitants)
99 Km E of Firenze (382808 inhabitants)
100 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 2.0 1993-08-01
19:22:37
43.446 12.406 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 192849
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1993-08-01 19:22:37 ± 0.235
Latitude 43.4460 ± 0.0176
Longitude 12.4060 ± 0.0235
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 192849

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) 2722.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 156
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) 0.00348
Epicentral distance of station farthest from the epicenter (degree) 0.00583
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 2
Type of magnitude Md
Reference to an origin 192849
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 20:01:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.PGD.Z. 1993-08-01T19:22:59.47 10.0 undecidable manual SG 311 0.6438 -1.07 0.2
--.SFI.Z. 1993-08-01T19:22:58.38 10.0 undecidable manual SG 319 0.5994 -0.72 0.4
--.ASS.Z. 1993-08-01T19:22:53.45 10.0 undecidable manual SG 155 0.4218 0.34 0.7
--.ARV.Z. 1993-08-01T19:22:52.67 10.0 undecidable manual SG 82 0.3885 0.51 0.6
--.SFI.Z. 1993-08-01T19:22:51.00 10.0 undecidable manual PG 319 0.5994 0.98 0.6
--.PGD.Z. 1993-08-01T19:22:50.99 10.0 undecidable manual PG 311 0.6438 0.15 1.9
--.ASS.Z. 1993-08-01T19:22:46.27 10.0 undecidable manual PG 155 0.4218 -0.28 2
--.ARV.Z. 1993-08-01T19:22:45.55 10.0 undecidable manual PG 82 0.3885 -0.46 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