Earthquake with magnitude of ML 0.1 on date 22-03-2014 and time 00:13:44 (Italy) in region 7 km NW Pietralunga (PG)

A magnitude ML 0.1 earthquake occured in region: 7 km NW Pietralunga (PG), on

  • 21-03-2014 23:13:44 (UTC)
  • 22-03-2014 00:13:44 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.4890, 12.3730 at 6 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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 7 2111 2111
Apecchio PU 9 1882 3993
CittĂ  di Castello PG 11 39913 43906
Montone PG 14 1680 45586
Piobbico PU 16 2029 47615
San Giustino PG 17 11297 58912
Monte Santa Maria Tiberina PG 18 1183 60095
Mercatello sul Metauro PU 18 1378 61473
Borgo Pace PU 20 606 62079
Sant'Angelo in Vado PU 20 4133 66212

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km E of Arezzo (99543 inhabitants)
42 Km N of Perugia (166134 inhabitants)
64 Km SW of Pesaro (94582 inhabitants)
65 Km NW of Foligno (57155 inhabitants)
65 Km SW of Fano (60888 inhabitants)
66 Km S of Rimini (147750 inhabitants)
73 Km S of Cesena (96758 inhabitants)
86 Km SE of Forlì (117913 inhabitants)
86 Km E of Siena (53903 inhabitants)
94 Km W of Ancona (100861 inhabitants)
95 Km E of Firenze (382808 inhabitants)
97 Km SE of Faenza (58541 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
Reviewed
Rev100
ML 0.1
Md 1.1
2014-03-21
23:13:44
43.4888 12.3733 6 2014-10-21
12:08:56
Sala Sismica INGV-Roma 5827151
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2014-03-21 23:13:44 ± 0.16
Latitude 43.4888 ± 0.0036
Longitude 12.3733 ± 0.0037
Depth (km) 6 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 5827151

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 357
Semi-minor axis of confidence ellipse (meter) 128
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 9
Circular confidence region, given by single value of horizontal uncertainty (meter) 360.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 145
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.11
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 2.26629
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 4
Magnitudes information

ML:0.1

Field Value
Value 0.1
Uncertainty 0.0
Num. used stations 1
Type of magnitude ML
Reference to an origin 5827151
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2014-03-21 23:18:55

Md:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 4
Type of magnitude Md
Reference to an origin 5827151
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2014-03-22 00:09:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MNTV.HNZ. 2014-03-21T23:14:32.99 3.0 undecidable manual Sn 251.5593 -0.6 0
IV.TOLF.HHZ. 2014-03-21T23:14:06.99 3.0 undecidable manual Sn -0.48 0
IV.PIEI.HHZ. 2014-03-21T23:13:49.41 0.3 undecidable manual S 68 13.9749 112 0.08 99
IV.BADI.EHZ. 2014-03-21T23:13:48.34 0.3 undecidable manual S 283 10.6782 119 0.07 100
IV.ATVO.HHZ. 2014-03-21T23:13:48.91 0.6 undecidable manual S 167 12.1767 115 0.17 65
IV.BADI.EHZ. 2014-03-21T23:13:46.40 0.6 undecidable manual P 283 10.6782 119 -0.1 66
IV.ATVO.HHZ. 2014-03-21T23:13:46.71 0.6 positive manual P 167 12.1767 115 -0.05 67
IV.ATPI.EHZ. 2014-03-21T23:13:46.57 0.6 undecidable manual S 151 4.7952 140 -0.11 67
IV.PIEI.HHZ. 2014-03-21T23:13:46.95 1.0 undecidable manual P 68 13.9749 112 -0.15 33
IV.ATPI.EHZ. 2014-03-21T23:13:45.42 1.0 undecidable manual P 151 4.7952 140 -0.16 33
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