Earthquake with magnitude of ML 0.2 on date 03-05-2013 and time 23:39:07 (UTC) in region 4 km SE Pietralunga (PG)

A magnitude ML 0.2 earthquake occured in region: 4 km SE Pietralunga (PG), on

  • 03-05-2013 23:39:07 (UTC)
  • 04-05-2013 01:39:07 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.4090, 12.4540 at 8 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 4 2111 2111
Montone PG 11 1680 3791
Gubbio PG 12 32216 36007
Umbertide PG 15 16681 52688
Cantiano PU 16 2245 54933
Apecchio PU 17 1882 56815
Scheggia e Pascelupo PG 17 1393 58208
CittĂ  di Castello PG 18 39913 98121

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km N of Perugia (166134 inhabitants)
47 Km E of Arezzo (99543 inhabitants)
54 Km NW of Foligno (57155 inhabitants)
67 Km SW of Fano (60888 inhabitants)
67 Km SW of Pesaro (94582 inhabitants)
73 Km S of Rimini (147750 inhabitants)
83 Km S of Cesena (96758 inhabitants)
89 Km W of Ancona (100861 inhabitants)
91 Km E of Siena (53903 inhabitants)
96 Km N of Terni (111501 inhabitants)
97 Km SE of Forlì (117913 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
ML 0.2 2013-05-03
23:39:07
43.4087 12.4538 8 2015-01-20
11:25:44
Bollettino Sismico Italiano INGV 5561461
Reviewed
Rev100
ML 0.2 2013-05-03
23:39:07
43.4077 12.4443 9 2014-10-21
12:08:56
Sala Sismica INGV-Roma 3401901
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2013-05-03 23:39:07 ± 0.13
Latitude 43.4087 ± 0.0036
Longitude 12.4538 ± 0.0087
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 5561461

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 629
Semi-minor axis of confidence ellipse (meter) 396
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 284
Circular confidence region, given by single value of horizontal uncertainty (meter) 630.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 207
Number of associated phases, regardless of their use for origin computation 6
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) 0.04317
Epicentral distance of station farthest from the epicenter (degree) 0.14029
Number of stations at which the event was observed 3
Number of stations from which data was used for origin computation 3
Magnitudes information

ML:0.2

Field Value
Value 0.2
Uncertainty 0.2
Num. used stations 2
Type of magnitude ML
Reference to an origin 5561461
Agency INGV
Autore Manually reviewed by Franco Mele
Time of creation (UTC) 2015-01-15 13:07:22

ML:0.2

Field Value
Value 0.2
Uncertainty 0.2
Num. used stations 2
Type of magnitude ML
Reference to an origin 3401901
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2013-05-03 23:49:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PIEI.HHZ. 2013-05-03T23:39:13.83 0.3 undecidable manual S 25 15.5733 117 0.06 73
IV.ATPI.EHZ. 2013-05-03T23:39:11.18 0.3 undecidable manual S 318 6.2937 142 -0.03 75
IV.PIEI.HHZ. 2013-05-03T23:39:11.13 0.1 undecidable manual P 25 15.5733 117 -0.08 97
IV.ATVO.HHZ. 2013-05-03T23:39:10.91 0.1 undecidable manual S 232 4.7952 149 -0.02 100
IV.ATVO.HHZ. 2013-05-03T23:39:09.61 0.1 positive manual P 232 4.7952 149 0.03 100
IV.ATPI.EHZ. 2013-05-03T23:39:09.78 0.1 undecidable manual P 318 6.2937 142 0.04 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATPI.EHN. ML:0.0 0.000020435000000000003 0.42 AML other m 2013-05-03T23:39:11.28
IV.ATPI.EHE. ML:0.0 0.0000184 1.02 AML other m 2013-05-03T23:39:12.14
IV.PIEI.HHN. ML:0.3 0.0000184 0.8 AML other m 2013-05-03T23:39:14.19
IV.PIEI.HHE. ML:0.3 0.0000207 1.4 AML other m 2013-05-03T23:39:14.99
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