Earthquake with magnitude of ML 0.1 on date 28-04-2010 and time 04:03:17 (Italy) in region 8 km SW Apecchio (PU)

A magnitude ML 0.1 earthquake occured in region: 8 km SW Apecchio (PU), on

  • 28-04-2010 02:03:17 (UTC)
  • 28-04-2010 04:03:17 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.5000, 12.3710 at 6 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
Apecchio PU 8 1882 1882
Pietralunga PG 8 2111 3993
CittĂ  di Castello PG 12 39913 43906
Piobbico PU 15 2029 45935
Montone PG 15 1680 47615
San Giustino PG 17 11297 58912
Mercatello sul Metauro PU 17 1378 60290
Monte Santa Maria Tiberina PG 18 1183 61473
Borgo Pace PU 19 606 62079
Sant'Angelo in Vado PU 19 4133 66212

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km E of Arezzo (99543 inhabitants)
44 Km N of Perugia (166134 inhabitants)
63 Km SW of Pesaro (94582 inhabitants)
64 Km S of Rimini (147750 inhabitants)
65 Km SW of Fano (60888 inhabitants)
66 Km NW of Foligno (57155 inhabitants)
72 Km S of Cesena (96758 inhabitants)
85 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)
96 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 1.2
ML 0.1
2010-04-28
02:03:17
43.5 12.371 6 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1043229
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2010-04-28 02:03:17 ± 0.16
Latitude 43.5000 ± 0.0027
Longitude 12.3710 ± 0.0062
Depth (km) 6 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1043229

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 539
Semi-minor axis of confidence ellipse (meter) 354
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 288
Circular confidence region, given by single value of horizontal uncertainty (meter) 583.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 277
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) 0.11
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.12411
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 3
Magnitudes information

ML:0.1

Field Value
Value 0.1
Uncertainty 0.0
Num. used stations
Type of magnitude ML
Reference to an origin 1043229
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 20:04:01

Md:1.2

Field Value
Value 1.2
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 1043229
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 20:04:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LAV9.HHZ. 2010-04-28T02:03:36.09 10.0 undecidable manual Pg 0 0 0
SI.ROSI.BHZ. 2010-04-28T02:03:35.11 10.0 undecidable manual Pg 0 0 0
IV.SENI.EHZ. 2010-04-28T02:03:27.14 10.0 undecidable manual Pg 0 0 0
IV.PIEI.HHE. 2010-04-28T02:03:22.45 0.3 undecidable manual Sg 73 13.7751 0.073 73
IV.PIEI.HHE. 2010-04-28T02:03:20.10 0.1 undecidable manual Pg 73 13.7751 -0.101 97
IV.ATPI.EHZ. 2010-04-28T02:03:20.03 0.1 undecidable manual Sg 156 5.994 -0.043 100
IV.ATPC.HHN. 2010-04-28T02:03:20.38 0.1 undecidable manual Sg 107 7.1928 -0.014 100
IV.ATPC.HHN. 2010-04-28T02:03:19.09 0.1 undecidable manual Pg 107 7.1928 0.034 100
IV.ATPI.EHZ. 2010-04-28T02:03:18.94 0.1 undecidable manual Pg 156 5.994 0.069 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