Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 29-06-2013 and time 04:36:30 (Italy) in region 5 km N Montieri (GR)

A magnitude ML 1.7 earthquake occured in region: 5 km N Montieri (GR), on

  • 29-06-2013 02:36:30 (UTC)
  • 29-06-2013 04:36:30 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1790, 11.0030 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
Montieri GR 5 1204 1204
Chiusdino SI 7 1903 3107
Castelnuovo di Val di Cecina PI 8 2231 5338
Radicondoli SI 10 914 6252
Monterotondo Marittimo GR 12 1371 7623
Monticiano SI 15 1571 9194
Massa Marittima GR 17 8375 17569
Pomarance PI 17 5897 23466
Casole d'Elsa SI 18 3897 27363

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km SW of Siena (53903 inhabitants)
47 Km N of Grosseto (82087 inhabitants)
66 Km S of Scandicci (50609 inhabitants)
69 Km SW of Firenze (382808 inhabitants)
70 Km SE of Livorno (159219 inhabitants)
77 Km SE of Pisa (89158 inhabitants)
78 Km W of Arezzo (99543 inhabitants)
79 Km S of Prato (191150 inhabitants)
84 Km S of Pistoia (90315 inhabitants)
84 Km SE of Lucca (89046 inhabitants)
98 Km SE of Viareggio (62467 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 1.7 2013-06-29
02:36:30		 43.1788 11.0028 10 2015-01-20
11:27:20		 Bollettino Sismico Italiano INGV 4373141
Reviewed
Rev100 		ML 1.7 2013-06-29
02:36:30		 43.175 11.0015 10 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 3863111
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2013-06-29 02:36:30 ± 0.17
Latitude 43.1788 ± 0.0162
Longitude 11.0028 ± 0.0210
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 4373141

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2317
Semi-minor axis of confidence ellipse (meter) 362
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 138
Circular confidence region, given by single value of horizontal uncertainty (meter) 2320.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 161
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.45
Epicentral distance of station closest to the epicenter (degree) 0.09713
Epicentral distance of station farthest from the epicenter (degree) 0.72305
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 3863111
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2013-06-29 02:44:00

ML:1.7

Field Value
Value 1.7
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 4373141
Agency INGV
Autore Manually reviewed by Franco Mele
Time of creation (UTC) 2015-01-15 12:59:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CELB.HHZ. 2013-06-29T02:36:55.09 0.1 undecidable manual S 234 80.2641 50 0.01 89
IV.CELB.HHZ. 2013-06-29T02:36:45.55 0.1 undecidable manual P 234 80.2641 50 0.7 74
IV.CASP.HHZ. 2013-06-29T02:36:45.09 0.1 undecidable manual S 195 44.5221 50 -0.45 87
IV.CSNT.HHZ. 2013-06-29T02:36:43.80 0.1 undecidable manual S 35 40.0266 50 -0.55 85
IV.CASP.HHZ. 2013-06-29T02:36:39.66 0.1 undecidable manual P 195 44.5221 50 0.32 90
IV.CSNT.HHZ. 2013-06-29T02:36:38.79 0.1 undecidable manual P 35 40.0266 50 0.14 94
IV.FROS.HHZ. 2013-06-29T02:36:36.37 0.1 undecidable manual S 75 12.876 127 -0.06 100
IV.TRIF.HHZ. 2013-06-29T02:36:35.36 0.1 undecidable manual S 229 10.7781 132 -0.51 91
IV.FROS.HHZ. 2013-06-29T02:36:34.43 0.1 undecidable manual P 75 12.876 127 0.35 94
IV.TRIF.HHZ. 2013-06-29T02:36:33.86 0.1 undecidable manual P 229 10.7781 132 0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FROS.HHN. ML:1.6 0.00047799999999999996 0.24 AML other m 2013-06-29T02:36:36.60
IV.FROS.HHE. ML:1.8 0.0006165000000000001 0.46 AML other m 2013-06-29T02:36:36.67
IV.TRIF.HHN. ML:1.8 0.0008705000000000001 1.1 AML other m 2013-06-29T02:36:36.07
IV.TRIF.HHE. ML:1.7 0.0006745 0.58 AML other m 2013-06-29T02:36:35.84
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