Earthquake with magnitude of ML 0.1 on date 13-08-2010 and time 02:55:58 (UTC) in region 6 km SE Città di Castello (PG)

A magnitude ML 0.1 earthquake occured in region: 6 km SE Città di Castello (PG), on

  • 13-08-2010 02:55:58 (UTC)
  • 13-08-2010 04:55:58 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.4230, 12.2960 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
Città di Castello PG 6 39913 39913
Montone PG 7 1680 41593
Monte Santa Maria Tiberina PG 11 1183 42776
Pietralunga PG 12 2111 44887
Umbertide PG 13 16681 61568
Monterchi AR 16 1757 63325
Citerna PG 17 3531 66856
San Giustino PG 17 11297 78153
Apecchio PU 18 1882 80035

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km E of Arezzo (99543 inhabitants)
36 Km N of Perugia (166134 inhabitants)
62 Km NW of Foligno (57155 inhabitants)
74 Km SW of Pesaro (94582 inhabitants)
74 Km SW of Rimini (147750 inhabitants)
75 Km SW of Fano (60888 inhabitants)
79 Km E of Siena (53903 inhabitants)
80 Km S of Cesena (96758 inhabitants)
91 Km S of Forlì (117913 inhabitants)
92 Km E of Firenze (382808 inhabitants)
97 Km E of Scandicci (50609 inhabitants)
100 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 1.2
ML 0.1
2010-08-13
02:55:58
43.423 12.296 4 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1096759
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2010-08-13 02:55:58 ± 0.32
Latitude 43.4230 ± 0.0108
Longitude 12.2960 ± 0.0124
Depth (km) 4 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1096759

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1142
Semi-minor axis of confidence ellipse (meter) 1007
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 43
Circular confidence region, given by single value of horizontal uncertainty (meter) 1562.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 220
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 6
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.09443
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 3
Magnitudes information

ML:0.1

Field Value
Value 0.1
Uncertainty 0.1
Num. used stations
Type of magnitude ML
Reference to an origin 1096759
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 21:12:44

Md:1.2

Field Value
Value 1.2
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 1096759
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 21:12:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ATVO.HHN. 2010-08-13T02:56:01.89 0.6 undecidable manual Sg 117 10.0788 0.103 50
IV.BADI.EHE. 2010-08-13T02:56:01.00 0.3 undecidable manual Sg 337 10.4784 0.077 75
IV.ATPI.EHZ. 2010-08-13T02:56:01.38 0.1 undecidable manual Sg 70 9.0798 -0.11 100
IV.ATVO.HHN. 2010-08-13T02:56:00.10 0.1 undecidable manual Pg 117 10.0788 -0.089 100
IV.BADI.EHE. 2010-08-13T02:56:00.16 0.1 undecidable manual Pg 337 10.4784 -0.101 100
IV.ATPI.EHZ. 2010-08-13T02:56:00.21 0.1 undecidable manual Pg 70 9.0798 0.193 98
IV.FSSB.HHN. 2010-08-13T02:55:57.83 10.0 undecidable manual Pg 0 0 0
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