Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.8 on date 10-05-2013 and time 02:10:43 (Italy) in region 6 km E Città di Castello (PG)

A magnitude ML 0.8 earthquake occured in region: 6 km E Città di Castello (PG), on

  • 10-05-2013 00:10:43 (UTC)
  • 10-05-2013 02:10:43 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.4490, 12.3100 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Città di Castello PG 6 39913 39913
Montone PG 10 1680 41593
Pietralunga PG 10 2111 43704
Monte Santa Maria Tiberina PG 12 1183 44887
Apecchio PU 15 1882 46769
San Giustino PG 15 11297 58066
Umbertide PG 16 16681 74747
Monterchi AR 16 1757 76504
Citerna PG 17 3531 80035
Sansepolcro AR 19 15884 95919

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km E of Arezzo (99543 inhabitants)
39 Km N of Perugia (166134 inhabitants)
63 Km NW of Foligno (57155 inhabitants)
71 Km SW of Pesaro (94582 inhabitants)
71 Km SW of Rimini (147750 inhabitants)
72 Km SW of Fano (60888 inhabitants)
77 Km S of Cesena (96758 inhabitants)
80 Km E of Siena (53903 inhabitants)
89 Km S of Forlì (117913 inhabitants)
92 Km E of Firenze (382808 inhabitants)
97 Km E of Scandicci (50609 inhabitants)
99 Km SE of Faenza (58541 inhabitants)
99 Km W of Ancona (100861 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 0.8 2013-05-10
00:10:43		 43.4493 12.3098 10 2015-01-20
11:25:47		 Bollettino Sismico Italiano INGV 4905951
Reviewed
Rev100 		ML 0.8 2013-05-10
00:10:43		 43.4518 12.3113 10 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 3478711
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2013-05-10 00:10:43 ± 0.07
Latitude 43.4493 ± 0.0036
Longitude 12.3098 ± 0.0050
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 4905951

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 440
Semi-minor axis of confidence ellipse (meter) 332
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 56
Circular confidence region, given by single value of horizontal uncertainty (meter) 440.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 65
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.05576
Epicentral distance of station farthest from the epicenter (degree) 0.31027
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.1
Num. used stations 5
Type of magnitude ML
Reference to an origin 3478711
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2013-05-10 03:13:33

ML:0.8

Field Value
Value 0.8
Uncertainty 0.1
Num. used stations 5
Type of magnitude ML
Reference to an origin 4905951
Agency INGV
Autore Manually reviewed by Franco Mele
Time of creation (UTC) 2015-01-15 13:05:45
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NARO.HHZ. 2013-05-10T00:10:53.76 0.1 undecidable manual S 50 28.1496 50 0.05 96
IV.ATTE.HHZ. 2013-05-10T00:10:53.59 0.1 undecidable manual S 173 28.1496 50 -0.1 95
IV.ATFO.HHZ. 2013-05-10T00:10:52.42 0.1 undecidable manual S 113 22.9548 114 0.15 95
IV.PARC.HHZ. 2013-05-10T00:10:52.58 0.1 undecidable manual S 345 22.8549 114 0.36 91
IV.PIEI.HHZ. 2013-05-10T00:10:51.73 0.1 undecidable manual S 62 20.4684 117 0.24 93
IV.CRE.HHZ. 2013-05-10T00:10:49.86 0.1 undecidable manual P 303 34.4433 50 -0.51 86
IV.ATMI.HHZ. 2013-05-10T00:10:49.49 0.1 undecidable manual S 195 13.1757 128 0.15 96
IV.NARO.HHZ. 2013-05-10T00:10:49.34 0.1 undecidable manual P 50 28.1496 50 -0.07 95
IV.CAFI.HHZ. 2013-05-10T00:10:49.91 0.1 undecidable manual P 244 30.747 50 0.1 94
IV.ATTE.HHZ. 2013-05-10T00:10:49.56 0.1 undecidable manual P 173 28.1496 50 0.16 94
IV.PIEI.HHZ. 2013-05-10T00:10:48.14 0.1 undecidable manual P 62 20.4684 117 0.01 98
IV.PARC.HHZ. 2013-05-10T00:10:48.69 0.1 undecidable manual P 345 22.8549 114 0.14 95
IV.ATVO.HHZ. 2013-05-10T00:10:48.71 0.1 undecidable manual S 134 10.7781 133 0.01 99
IV.CDCA.EHZ. 2013-05-10T00:10:47.37 0.1 undecidable manual S 279 6.1938 149 -0.32 94
IV.ATPI.EHZ. 2013-05-10T00:10:47.48 0.1 undecidable manual S 89 7.4814 144 -0.45 91
IV.ATMI.HHZ. 2013-05-10T00:10:47.31 0.1 undecidable manual P 195 13.1757 128 0.42 91
IV.BADI.EHZ. 2013-05-10T00:10:47.99 0.1 undecidable manual S 322 8.4804 140 -0.17 97
IV.ATFO.HHZ. 2013-05-10T00:10:47.93 0.1 undecidable manual P 113 22.9548 114 -0.65 83
IV.BADI.EHZ. 2013-05-10T00:10:46.35 0.1 undecidable manual P 322 8.4804 140 0.14 97
IV.ATVO.HHZ. 2013-05-10T00:10:46.69 0.1 undecidable manual P 134 10.7781 133 0.17 96
IV.ATPI.EHZ. 2013-05-10T00:10:46.09 0.1 undecidable manual P 89 7.4814 144 0.02 100
IV.CDCA.EHZ. 2013-05-10T00:10:45.96 0.1 undecidable manual P 279 6.1938 149 0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATMI.HHE. ML:1.0 0.00010894999999999999 0.58 AML other m 2013-05-10T00:10:49.77
IV.ATMI.HHN. ML:0.8 0.00006925 0.4 AML other m 2013-05-10T00:10:55.36
IV.ATVO.HHE. ML:0.8 0.0000696 0.76 AML other m 2013-05-10T00:10:48.82
IV.ATVO.HHN. ML:0.9 0.0001043 0.2 AML other m 2013-05-10T00:10:48.86
IV.CRE.HHE. ML:0.8 0.000024050000000000002 0.72 AML other m 2013-05-10T00:10:50.36
IV.CRE.HHN. ML:0.6 0.000016825 0.68 AML other m 2013-05-10T00:11:07.66
IV.PARC.HHN. ML:0.9 0.00005115 0.54 AML other m 2013-05-10T00:10:52.93
IV.PARC.HHE. ML:0.8 0.000041800000000000006 0.84 AML other m 2013-05-10T00:10:54.01
IV.PIEI.HHN. ML:0.7 0.00003695 0.14 AML other m 2013-05-10T00:10:52.15
IV.PIEI.HHE. ML:0.9 0.0000615 0.14 AML other m 2013-05-10T00:10:52.17
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