Earthquake with magnitude of ML 1.9 on date 09-04-2007 and time 21:23:22 (Italy) in region 3 km SW Murlo (SI)

A magnitude ML 1.9 earthquake occured in region: 3 km SW Murlo (SI), on

  • 09-04-2007 19:23:22 (UTC)
  • 09-04-2007 21:23:22 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1580, 11.3650 at 3 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
Murlo SI 3 2389 2389
Monteroni d'Arbia SI 10 9088 11477
Buonconvento SI 10 3173 14650
Montalcino SI 15 5093 19743
Monticiano SI 15 1571 21314
Sovicille SI 18 10116 31430
Siena SI 18 53903 85333
Asciano SI 18 7118 92451
San Giovanni d'Asso SI 18 853 93304
Civitella Paganico GR 19 3154 96458

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km S of Siena (53903 inhabitants)
49 Km NE of Grosseto (82087 inhabitants)
54 Km SW of Arezzo (99543 inhabitants)
69 Km S of Scandicci (50609 inhabitants)
69 Km S of Firenze (382808 inhabitants)
83 Km W of Perugia (166134 inhabitants)
83 Km S of Prato (191150 inhabitants)
94 Km SE of Pistoia (90315 inhabitants)
96 Km E of Livorno (159219 inhabitants)
100 Km SE of Pisa (89158 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 2.5
ML 1.9
2007-04-09
19:23:22
43.158 11.365 3 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 623559
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2007-04-09 19:23:22 ± 0.19
Latitude 43.1580 ± 0.0072
Longitude 11.3650 ± 0.0148
Depth (km) 3 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 623559

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1006
Semi-minor axis of confidence ellipse (meter) 894
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 163
Circular confidence region, given by single value of horizontal uncertainty (meter) 1442.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 75
Number of associated phases, regardless of their use for origin computation 38
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.59
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.15563
Number of stations at which the event was observed 30
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 623559
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 11:52:46

Md:2.5

Field Value
Value 2.5
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 623559
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 11:52:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.BRMO.BHN. 2007-04-09T19:24:10.52 10.0 undecidable manual Pg 0 0 0
GU.MAIM.HHN. 2007-04-09T19:23:56.66 10.0 undecidable manual Sg 0 0 0
IV.SFI.SHZ. 2007-04-09T19:23:52.00 0.1 undecidable manual Sg 25 91.4418 0.504 41
IV.PESA.EHN. 2007-04-09T19:23:50.90 10.0 undecidable manual Pg 0 0 0
IV.CING.HHZ. 2007-04-09T19:23:50.54 10.0 undecidable manual Pg 0 0 0
IV.FNVD.HHZ. 2007-04-09T19:23:47.34 10.0 undecidable manual Sg 0 0 0
IV.NRCA.SHZ. 2007-04-09T19:23:47.72 10.0 undecidable manual Pg 0 0 0
IV.CESI.BHN. 2007-04-09T19:23:46.45 10.0 undecidable manual Pg 0 0 0
IV.ARVD.EHZ. 2007-04-09T19:23:46.38 10.0 undecidable manual Pg 0 0 0
MN.VLC.HHZ. 2007-04-09T19:23:46.27 10.0 undecidable manual Pg 0 0 0
IV.SNTG.SHZ. 2007-04-09T19:23:45.09 10.0 undecidable manual Pg 0 0 0
IV.PZZT.HHN. 2007-04-09T19:23:45.99 10.0 undecidable manual Pg 0 0 0
IV.FSSB.SHZ. 2007-04-09T19:23:45.06 0.1 undecidable manual Pg 62 128.2716 -0.009 84
IV.RSM.SHZ. 2007-04-09T19:23:45.27 0.1 undecidable manual Pg 45 122.1888 1.137 58
IV.FNVD.HHZ. 2007-04-09T19:23:44.09 10.0 undecidable manual Pg 0 0 0
IV.CRE.BHZ. 2007-04-09T19:23:44.98 0.1 undecidable manual Sg 43 69.5748 -0.697 39
IV.BDI.HHZ. 2007-04-09T19:23:43.33 0.1 undecidable manual Pg 329 117.7932 -0.119 84
GU.MAIM.HHN. 2007-04-09T19:23:42.38 10.0 undecidable manual Pg 0 0 0
IV.ASS.SHZ. 2007-04-09T19:23:42.22 10.0 undecidable manual Pg 0 0 0
IV.SEI.SHZ. 2007-04-09T19:23:41.31 0.1 undecidable manual Pg 360 99.4227 0.694 74
IV.SACS.HHN. 2007-04-09T19:23:41.21 0.1 undecidable manual Sg 128 55.8996 -0.81 38
IV.SFI.SHZ. 2007-04-09T19:23:39.33 0.1 undecidable manual Pg 25 91.4418 -0.062 89
IV.VMG.SHZ. 2007-04-09T19:23:39.84 0.1 undecidable manual Pg 9 90.243 0.632 77
IV.MURB.HHE. 2007-04-09T19:23:38.50 10.0 undecidable manual Pg 0 0 0
IV.MAON.HHZ. 2007-04-09T19:23:38.05 0.1 undecidable manual Pg 193 83.1501 -0.076 90
IV.BADI.EHZ. 2007-04-09T19:23:37.24 0.3 undecidable manual Pg 61 80.9523 -0.532 61
IV.CRMI.HHZ. 2007-04-09T19:23:37.14 0.1 undecidable manual Pg 336 76.9674 -0.02 93
IV.CDCA.SHZ. 2007-04-09T19:23:36.68 10.0 undecidable manual Pg 0 0 0
IV.CRE.BHZ. 2007-04-09T19:23:35.64 0.1 undecidable manual Pg 43 69.5748 -0.388 87
IV.ARCI.HHZ. 2007-04-09T19:23:35.78 0.1 undecidable manual Sg 165 35.1426 0.688 42
IV.CSNT.BHN. 2007-04-09T19:23:34.73 0.1 undecidable manual Sg 350 35.4423 -0.469 45
IV.GRFL.SHZ. 2007-04-09T19:23:33.08 0.1 undecidable manual Sg 268 31.5462 -0.778 41
IV.SACS.HHN. 2007-04-09T19:23:33.75 0.1 undecidable manual Pg 128 55.8996 -0.17 93
IV.CSNT.BHN. 2007-04-09T19:23:29.73 0.1 undecidable manual Pg 350 35.4423 -0.252 95
IV.ARCI.HHZ. 2007-04-09T19:23:29.91 0.1 undecidable manual Pg 165 35.1426 -0.013 100
IV.GRFL.SHZ. 2007-04-09T19:23:29.49 0.1 undecidable manual Pg 268 31.5462 0.287 95
IV.ESLN.BHN. 2007-04-09T19:23:24.09 10.0 undecidable manual Pg 0 0 0
IV.SENI.SHZ. 2007-04-09T19:23:15.81 10.0 undecidable manual Pg 0 0 0
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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