Earthquake with magnitude of Md 3.0 on date 19-07-1999 and time 01:11:21 (Italy) in region 2 km SE Pietralunga (PG)

A magnitude Md 3.0 earthquake occured in region: 2 km SE Pietralunga (PG), on

  • 18-07-1999 23:11:21 (UTC)
  • 19-07-1999 01:11:21 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.42, 12.45 at 4 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 12 1680 3791
Gubbio PG 13 32216 36007
Apecchio PU 15 1882 37889
Cantiano PU 16 2245 40134
Umbertide PG 16 16681 56815
CittĂ  di Castello PG 17 39913 96728
Scheggia e Pascelupo PG 18 1393 98121
Piobbico PU 19 2029 100150

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km N of Perugia (166134 inhabitants)
46 Km E of Arezzo (99543 inhabitants)
56 Km NW of Foligno (57155 inhabitants)
66 Km SW of Fano (60888 inhabitants)
66 Km SW of Pesaro (94582 inhabitants)
72 Km S of Rimini (147750 inhabitants)
81 Km S of Cesena (96758 inhabitants)
89 Km W of Ancona (100861 inhabitants)
91 Km E of Siena (53903 inhabitants)
95 Km SE of Forlì (117913 inhabitants)
97 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 3.0
ML-VAX 1.9
1999-07-18
23:11:21
43.42 12.45 4 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 370689
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1999-07-18 23:11:21 ± 0.09
Latitude 43.42 ± 0.00
Longitude 12.45 ± 0.01
Depth (km) 4 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 370689

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) 714.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 85
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 26
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) 0.00324
Epicentral distance of station farthest from the epicenter (degree) 0.01328
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitudes information

Md:3

Field Value
Value 3
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 370689
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 22:47:49

ML:1.9

Field Value
Value 1.9
Uncertainty
Num. used stations 6
Type of magnitude ML
Reference to an origin 370689
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 13:07:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.MNS.Z. 1999-07-18T23:11:57.24 10.0 undecidable manual SG 170 0.0094 -0.8 0
--.CSNT.Z. 1999-07-18T23:11:52.16 10.0 undecidable manual SG 274 0.0075 0.87 0
--.NRCA.Z. 1999-07-18T23:11:49.00 10.0 undecidable manual SG 140 0.0068 0.18 0.5
--.BDI.Z. 1999-07-18T23:11:49.00 10.0 undecidable manual PN 296 0.0133 0.4 0.4
--.PII.Z. 1999-07-18T23:11:48.00 10.0 undecidable manual PN 283 0.0128 0.18 0.9
--.PGD.Z. 1999-07-18T23:11:46.41 10.0 undecidable manual SG 311 0.0062 -0.17 0.6
--.AQU.Z. 1999-07-18T23:11:46.00 10.0 undecidable manual PN 146 0.0114 0.21 0.9
--.SFI.Z. 1999-07-18T23:11:44.60 10.0 undecidable manual SG 318 0.0058 -0.53 0.1
--.GRFL.Z. 1999-07-18T23:11:43.54 10.0 undecidable manual PN 256 0.0099 0.1 1.3
--.MNS.Z. 1999-07-18T23:11:42.26 10.0 undecidable manual PG 170 0.0094 -0.27 0.9
--.RSM.Z. 1999-07-18T23:11:40.33 10.0 undecidable manual SG 0 0.0045 -0.27 0.4
--.CSNT.Z. 1999-07-18T23:11:38.44 10.0 undecidable manual PG 274 0.0075 -0.18 1.3
--.CRE.Z. 1999-07-18T23:11:37.00 10.0 undecidable manual SG 299 0.0036 -0.18 0.6
--.ASS.Z. 1999-07-18T23:11:36.40 10.0 undecidable manual SG 157 0.0035 0.03 0.7
--.NRCA.Z. 1999-07-18T23:11:36.76 10.0 undecidable manual PG 140 0.0068 -0.44 0.5
--.SNTG.Z. 1999-07-18T23:11:36.63 10.0 undecidable manual SG 114 0.0036 0.01 0.7
--.FB9.Z. 1999-07-18T23:11:35.14 10.0 undecidable manual SG 41 0.0032 -0.16 0.6
--.PGD.Z. 1999-07-18T23:11:35.85 10.0 undecidable manual PG 311 0.0062 -0.05 1.7
--.ARV.Z. 1999-07-18T23:11:35.76 10.0 undecidable manual SG 77 0.0033 0.16 0.6
--.SFI.Z. 1999-07-18T23:11:34.98 10.0 undecidable manual PG 318 0.0058 -0.09 1.7
--.RSM.Z. 1999-07-18T23:11:32.84 10.0 undecidable manual PG 0 0.0045 0.39 0.6
--.SNTG.Z. 1999-07-18T23:11:30.23 10.0 undecidable manual PG 114 0.0036 0.07 1.7
--.CRE.Z. 1999-07-18T23:11:30.28 10.0 undecidable manual PG 299 0.0036 -0.2 1.4
--.ASS.Z. 1999-07-18T23:11:30.23 10.0 undecidable manual PG 157 0.0035 0.22 1.3
--.FB9.Z. 1999-07-18T23:11:29.31 10.0 positive manual PG 41 0.0032 -0.08 3.4
--.ARV.Z. 1999-07-18T23:11:29.67 10.0 positive manual PG 77 0.0033 0.11 3.3
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download