Earthquake with magnitude of ML 1.8 on date 21-06-2014 and time 14:47:43 (Italy) in region 3 km SE Pratovecchio Stia (AR)

A magnitude ML 1.8 earthquake occured in region: 3 km SE Pratovecchio Stia (AR), on

  • 21-06-2014 12:47:43 (UTC)
  • 21-06-2014 14:47:43 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.7640, 11.7420 at 8 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
Pratovecchio Stia AR 3 5845 5845
Castel San Niccolò AR 4 2707 8552
Poppi AR 5 6160 14712
Ortignano Raggiolo AR 9 878 15590
Bibbiena AR 10 12241 27831
Montemignaio AR 10 566 28397
Castel Focognano AR 15 3149 31546
Chitignano AR 16 899 32445
Chiusi della Verna AR 17 2023 34468
Londa FI 18 1840 36308
Talla AR 18 1062 37370
Reggello FI 19 16290 53660
Pelago FI 19 7660 61320

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km NW of Arezzo (99543 inhabitants)
39 Km E of Firenze (382808 inhabitants)
45 Km E of Scandicci (50609 inhabitants)
53 Km E of Prato (191150 inhabitants)
56 Km SW of Forlì (117913 inhabitants)
58 Km SW of Cesena (96758 inhabitants)
59 Km S of Faenza (58541 inhabitants)
60 Km NE of Siena (53903 inhabitants)
66 Km S of Imola (69797 inhabitants)
69 Km E of Pistoia (90315 inhabitants)
74 Km W of Rimini (147750 inhabitants)
81 Km SW of Ravenna (159116 inhabitants)
87 Km SE of Bologna (386663 inhabitants)
90 Km NW of Perugia (166134 inhabitants)
95 Km W of Pesaro (94582 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 1.8 2014-06-21
12:47:43
43.7643 11.7422 8 2015-09-21
09:37:39
Bollettino Sismico Italiano INGV 17872081
Reviewed
Rev100
ML 1.8 2014-06-21
12:47:43
43.7555 11.7382 7 2014-10-21
12:08:56
Sala Sismica INGV-Roma 6899521
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2014-06-21 12:47:43 ± 0.07
Latitude 43.7643 ± 0.0045
Longitude 11.7422 ± 0.0062
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 17872081

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 474
Semi-minor axis of confidence ellipse (meter) 449
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 47
Circular confidence region, given by single value of horizontal uncertainty (meter) 470.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 66
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.04676
Epicentral distance of station farthest from the epicenter (degree) 0.89303
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 5
Type of magnitude ML
Reference to an origin 6899521
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2014-06-21 12:53:20

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 1
Type of magnitude ML
Reference to an origin 17872081
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-03-19 14:37:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MTCR.EHZ. 2014-06-21T12:48:04.80 0.6 undecidable manual S 297 65.9895 50 0.47 41
IV.MGAB.HHE. 2014-06-21T12:48:01.94 0.6 undecidable manual P 162 99.123 50 1.26 28
IV.BRIS.HHZ. 2014-06-21T12:48:01.10 0.6 undecidable manual S 2 51.1155 50 0.75 38
IV.CAFI.HHZ. 2014-06-21T12:48:00.20 0.6 undecidable manual S 159 51.5151 50 -0.27 44
IV.OSSC.HHZ. 2014-06-21T12:47:59.40 0.3 undecidable manual S 236 48.0186 50 -0.12 69
IV.CSNT.HHE. 2014-06-21T12:47:59.70 0.6 undecidable manual S 228 48.618 50 0.01 47
IV.PARC.HHZ. 2014-06-21T12:47:57.60 0.6 undecidable manual S 108 41.8248 50 -0.28 45
IV.MTCR.EHZ. 2014-06-21T12:47:55.64 0.1 undecidable manual P 297 65.9895 50 0.06 90
IV.LMD.HHE. 2014-06-21T12:47:55.40 0.3 undecidable manual S 355 34.8429 50 -0.62 62
IV.CAFI.HHZ. 2014-06-21T12:47:53.41 0.1 undecidable manual P 159 51.5151 50 0.05 93
IV.BRIS.HHZ. 2014-06-21T12:47:53.76 0.1 undecidable manual P 2 51.1155 50 0.47 85
IV.OSSC.HHZ. 2014-06-21T12:47:52.60 0.1 undecidable manual P 236 48.0186 50 -0.2 91
IV.CSNT.HHE. 2014-06-21T12:47:52.91 0.3 undecidable manual P 228 48.618 50 0.01 71
IV.CRE.HHZ. 2014-06-21T12:47:52.40 0.6 undecidable manual S 134 23.2545 109 0.19 47
IV.SSP9.EHZ. 2014-06-21T12:47:51.26 0.6 undecidable manual P 124 37.7289 50 0.04 48
IV.RUFI.EHZ. 2014-06-21T12:47:51.10 0.3 undecidable manual S 294 20.3685 112 -0.15 72
IV.PARC.HHZ. 2014-06-21T12:47:51.64 0.3 undecidable manual P 108 41.8248 50 -0.22 68
IV.LMD.HHE. 2014-06-21T12:47:50.35 0.1 undecidable manual P 355 34.8429 50 -0.43 88
IV.SFI.EHZ. 2014-06-21T12:47:50.50 0.3 undecidable manual S 28 17.6712 115 0.09 73
IV.RUFI.EHZ. 2014-06-21T12:47:48.08 0.1 undecidable manual P 294 20.3685 112 0.05 98
IV.CRE.HHZ. 2014-06-21T12:47:48.59 0.1 undecidable manual P 134 23.2545 109 0 99
IV.SFI.EHZ. 2014-06-21T12:47:47.63 0.1 positive manual P 28 17.6712 115 0.09 98
IV.ASQU.HHZ. 2014-06-21T12:47:46.80 0.1 undecidable manual S 46 5.1948 148 -0.22 97
IV.ASQU.HHZ. 2014-06-21T12:47:45.67 0.1 undecidable manual P 46 5.1948 148 0.08 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SFI.EHE. ML:2.0 0.0008269999999999999 0.38 AML other m 2014-06-21T12:47:51.13
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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