Earthquake with magnitude of ML 0.2 on date 15-03-2012 and time 22:43:32 (UTC) in region 6 km NW Pietralunga (PG)

A magnitude ML 0.2 earthquake occured in region: 6 km NW Pietralunga (PG), on

  • 15-03-2012 22:43:32 (UTC)
  • 15-03-2012 23:43:32 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.4890, 12.3980 at 7 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 6 2111 2111
Apecchio PU 8 1882 3993
CittĂ  di Castello PG 13 39913 43906
Piobbico PU 15 2029 45935
Montone PG 15 1680 47615
Mercatello sul Metauro PU 18 1378 48993
Cantiano PU 19 2245 51238
San Giustino PG 19 11297 62535
Sant'Angelo in Vado PU 20 4133 66668
Monte Santa Maria Tiberina PG 20 1183 67851

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km E of Arezzo (99543 inhabitants)
42 Km N of Perugia (166134 inhabitants)
63 Km SW of Pesaro (94582 inhabitants)
64 Km SW of Fano (60888 inhabitants)
64 Km NW of Foligno (57155 inhabitants)
65 Km S of Rimini (147750 inhabitants)
73 Km S of Cesena (96758 inhabitants)
87 Km SE of Forlì (117913 inhabitants)
88 Km E of Siena (53903 inhabitants)
92 Km W of Ancona (100861 inhabitants)
97 Km E of Firenze (382808 inhabitants)
98 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
Bulletin
Rev1000
Md 1.3
ML 0.2
2012-03-15
22:43:32
43.489 12.398 7 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1349179
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2012-03-15 22:43:32 ± 0.12
Latitude 43.4890 ± 0.0081
Longitude 12.3980 ± 0.0174
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1349179

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1655
Semi-minor axis of confidence ellipse (meter) 224
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 120
Circular confidence region, given by single value of horizontal uncertainty (meter) 1664.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 248
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.08
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.10972
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 3
Magnitudes information

ML:0.2

Field Value
Value 0.2
Uncertainty 0.1
Num. used stations
Type of magnitude ML
Reference to an origin 1349179
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 02:55:21

Md:1.3

Field Value
Value 1.3
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 1349179
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 02:55:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RAVA.EHE. 2012-03-15T22:44:07.86 10.0 undecidable manual Sg 0 0 0
IV.RAVA.EHE. 2012-03-15T22:44:02.08 10.0 undecidable manual Pg 0 0 0
IV.MESG.HHE. 2012-03-15T22:43:58.18 10.0 undecidable manual Pg 0 0 0
IV.PIEI.HHE. 2012-03-15T22:43:37.04 0.3 undecidable manual Sg 65 12.1767 0.06 73
IV.ATVO.HHN. 2012-03-15T22:43:36.85 0.3 undecidable manual Sg 177 11.877 -0.022 74
IV.ATPC.HHE. 2012-03-15T22:43:35.07 0.1 undecidable manual Sg 100 4.7952 -0.019 100
IV.PIEI.HHE. 2012-03-15T22:43:34.82 0.1 undecidable manual Pg 65 12.1767 -0.071 98
IV.ATVO.HHN. 2012-03-15T22:43:34.87 0.1 undecidable manual Pg 177 11.877 0.037 98
IV.ATPC.HHE. 2012-03-15T22:43:33.84 0.1 undecidable manual Pg 100 4.7952 0.043 100
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