Earthquake with magnitude of ML 1.8 on date 12-03-2019 and time 06:49:39 (Italy) in region 7 km NE Firenzuola (FI)

A magnitude ML 1.8 earthquake occured in region: 7 km NE Firenzuola (FI), on

  • 12-03-2019 05:49:39 (UTC)
  • 12-03-2019 06:49:39 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.17, 11.42 at 9 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Firenzuola FI 7 4726 4726
Castel del Rio BO 8 1246 5972
Monghidoro BO 10 3749 9721
Palazzuolo sul Senio FI 12 1154 10875
Loiano BO 14 4294 15169
Fontanelice BO 15 1943 17112
San Benedetto Val di Sambro BO 16 4315 21427
Monzuno BO 17 6328 27755
Monterenzio BO 17 6035 33790
Casola Valsenio RA 17 2617 36407
Borgo Tossignano BO 18 3288 39695
Marradi FI 19 3139 42834

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km SW of Imola (69797 inhabitants)
37 Km S of Bologna (386663 inhabitants)
39 Km W of Faenza (58541 inhabitants)
41 Km NE of Prato (191150 inhabitants)
46 Km N of Firenze (382808 inhabitants)
48 Km NE of Pistoia (90315 inhabitants)
50 Km NE of Scandicci (50609 inhabitants)
50 Km W of Forlì (117913 inhabitants)
66 Km W of Cesena (96758 inhabitants)
66 Km SE of Modena (184973 inhabitants)
68 Km W of Ravenna (159116 inhabitants)
76 Km S of Ferrara (133155 inhabitants)
80 Km SE of Carpi (70699 inhabitants)
82 Km E of Lucca (89046 inhabitants)
86 Km SE of Reggio nell'Emilia (171345 inhabitants)
87 Km NW of Arezzo (99543 inhabitants)
92 Km W of Rimini (147750 inhabitants)
95 Km N of Siena (53903 inhabitants)
96 Km NE of Pisa (89158 inhabitants)
99 Km E of Viareggio (62467 inhabitants)
Recent and historical Seismicity
Seismic hazard
Shakemap
Felt maps
The earthquake effects in MCS scale as obtained from the compiled questionnaire

The earthquake effects in MCS scale as obtained from the compiled questionnaire

This map shows the distribution of the effects of the earthquake on the territory in terms of the MCS (Mercalli-Cancani-Sieberg) intensity scale. The intensities are determined using the data provided in the questionnaire (http://www.haisentitoilterremoto.it/) that are analysed using robust statistical techniques since they are not verified individually. Specifically, the assignment of MCS intensities greater or equal the VI degree of the MCS scale require opportune in situ verification by professional experts. The purple start shows the epicenter. This map is prepared every so often that the population fill in new questionnaires. The number of questionnaires used to determine the map and the date and time of the last adjournment are shown in the upper right part of the panel.
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Rev 100 ML 1.8 2019-03-12
05:49:39
44.17 11.42 9 2019-03-12
05:56:48
Sala Sismica INGV-Roma 66441131
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-03-12 05:49:39 ± 0.11
Latitude 44.17 ± 0.01
Longitude 11.42 ± 0.01
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 66441131

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 636
Semi-minor axis of confidence ellipse (meter) 516
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 4
Circular confidence region, given by single value of horizontal uncertainty (meter) 640
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 76
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.35
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.49013
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 13
Magnitude information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 66441131
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-03-12 05:56:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.CRMI.HHZ. 2019-03-12T05:49:57.91 0.6 undecidable manual S 220 0.4901 50 0.57 42
IV.ASQU.HHZ. 2019-03-12T05:49:56.81 0.3 undecidable manual S 144 0.4587 50 0.41 66
IV.MPPT.EHZ. 2019-03-12T05:49:52.00 0.6 undecidable manual S 228 0.3175 50 -0.23 47
IV.MTCR.EHZ. 2019-03-12T05:49:52.19 0.3 undecidable manual S 245 0.331 50 -0.44 68
IV.RUFI.EHZ. 2019-03-12T05:49:52.75 0.6 undecidable manual S 169 0.3381 50 -0.09 48
IV.CRMI.HHZ. 2019-03-12T05:49:50.81 0.1 undecidable manual P 220 0.4901 50 0.88 74
IV.BRIS.HHZ. 2019-03-12T05:49:50.35 0.6 undecidable manual S 78 0.2545 107 0.28 47
GU.POPM.HHZ. 2019-03-12T05:49:49.56 3.0 negative manual P -0.21 0
IV.LMD.HHZ. 2019-03-12T05:49:49.16 0.6 undecidable manual S 114 0.2266 109 0.13 49
IV.MOCL.EHZ. 2019-03-12T05:49:49.44 0.6 undecidable manual S 226 0.2374 108 0 50
IV.ASQU.HHZ. 2019-03-12T05:49:49.09 0.6 positive manual P 144 0.4587 50 -0.3 45
IV.ZCCA.HNZ. 2019-03-12T05:49:48.34 0.1 undecidable manual P 300 0.3642 50 0.56 87
IV.SFI.EHZ. 2019-03-12T05:49:48.44 1.0 negative manual P 0.23 0.41
IV.FNVD.HHZ. 2019-03-12T05:49:48.50 0.6 undecidable manual S 269 0.2122 110 -0.01 50
IV.SEI.HHZ. 2019-03-12T05:49:46.18 0.6 undecidable manual S 201 0.1241 122 0.75 42
IV.MPPT.EHZ. 2019-03-12T05:49:46.69 0.6 negative manual P 228 0.3175 50 -0.29 47
IV.MTCR.EHZ. 2019-03-12T05:49:46.81 0.1 undecidable manual P 245 0.331 50 -0.4 91
IV.MTRZ.HHZ. 2019-03-12T05:49:46.79 0.6 undecidable manual S 2 0.143 119 0.73 42
IV.RUFI.EHZ. 2019-03-12T05:49:46.94 0.6 undecidable manual P 169 0.3381 50 -0.4 45
IV.BRIS.HHZ. 2019-03-12T05:49:45.40 0.6 negative manual P 78 0.2545 107 -0.33 47
IV.MOCL.EHZ. 2019-03-12T05:49:45.21 0.1 negative manual P 226 0.2374 108 -0.16 97
IV.LMD.HHZ. 2019-03-12T05:49:44.61 0.1 undecidable manual P 114 0.2266 109 -0.53 90
IV.FNVD.HHZ. 2019-03-12T05:49:44.53 0.1 undecidable manual P 269 0.2122 110 -0.31 95
IV.MTRZ.HHZ. 2019-03-12T05:49:43.19 0.1 positive manual P 2 0.143 119 -0.23 98
IV.SEI.HHZ. 2019-03-12T05:49:43.20 0.1 positive manual P 201 0.1241 122 0.14 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.POPM.HHN. ML:1.8 0.000161 0.7 AML other m 2019-03-12T05:49:58.63
IV.SEI.HHE. ML:2 0.00114 0.36 AML other m 2019-03-12T05:49:46.57
IV.MTRZ.HNE. ML:2.2 0.001405 1.48 AML other m 2019-03-12T05:49:47.16
IV.MTRZ.HHE. ML:2.2 0.00145 1.46 AML other m 2019-03-12T05:49:47.16
IV.MTRZ.HHN. ML:2 0.001054 0.48 AML other m 2019-03-12T05:49:47.18
IV.MTRZ.HNN. ML:2 0.0010275 0.46 AML other m 2019-03-12T05:49:47.19
IV.MOCL.EHE. ML:1.8 0.000337 1.4 AML other m 2019-03-12T05:49:49.04
IV.LMD.HHE. ML:1.3 0.00013085 1.58 AML other m 2019-03-12T05:49:49.94
IV.MOCL.EHN. ML:1.8 0.000365 0.2 AML other m 2019-03-12T05:49:50.09
IV.LMD.HHN. ML:1.4 0.0001405 0.44 AML other m 2019-03-12T05:49:50.78
IV.BRIS.HHN. ML:1.6 0.000188 0.68 AML other m 2019-03-12T05:49:51.35
IV.MTCR.EHE. ML:1.7 0.00019675 0.32 AML other m 2019-03-12T05:49:52.49
IV.MTCR.EHN. ML:1.7 0.0001995 0.3 AML other m 2019-03-12T05:49:52.82
IV.MPPT.EHE. ML:1.4 9.615E-5 0.44 AML other m 2019-03-12T05:49:53.20
IV.MPPT.EHN. ML:1.4 0.0001067 1.3 AML other m 2019-03-12T05:49:55.17
IV.BRIS.HHE. ML:1.6 0.000227 0.42 AML other m 2019-03-12T05:49:58.08
GU.POPM.HHE. ML:1.7 0.00011345 0.16 AML other m 2019-03-12T05:49:58.62
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download