Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 25-09-2014 and time 02:42:54 (UTC) in region 3 km S Frassinoro (MO)

A magnitude ML 1.6 earthquake occured in region: 3 km S Frassinoro (MO), on

  • 25-09-2014 02:42:54 (UTC)
  • 25-09-2014 04:42:54 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.2720, 10.5840 at 12 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
Frassinoro MO 3 1926 1926
Riolunato MO 7 712 2638
Pievepelago MO 8 2222 4860
Palagano MO 8 2194 7054
Montefiorino MO 10 2203 9257
Montecreto MO 11 940 10197
Fiumalbo MO 11 1280 11477
Toano RE 12 4463 15940
Lama Mocogno MO 13 2734 18674
Polinago MO 14 1672 20346
Villa Minozzo RE 14 3750 24096
Abetone PT 16 621 24717
Sestola MO 16 2508 27225
Fanano MO 18 2989 30214
Castiglione di Garfagnana LU 19 1818 32032
Villa Collemandina LU 19 1334 33366
Fosciandora LU 20 602 33968

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km NE of Massa (69479 inhabitants)
44 Km E of Carrara (63133 inhabitants)
46 Km NW of Pistoia (90315 inhabitants)
48 Km S of Reggio nell'Emilia (171345 inhabitants)
48 Km N of Lucca (89046 inhabitants)
50 Km SW of Modena (184973 inhabitants)
52 Km NE of Viareggio (62467 inhabitants)
60 Km NW of Prato (191150 inhabitants)
62 Km SW of Carpi (70699 inhabitants)
62 Km SE of Parma (192836 inhabitants)
63 Km E of La Spezia (93959 inhabitants)
63 Km N of Pisa (89158 inhabitants)
65 Km W of Bologna (386663 inhabitants)
74 Km NW of Scandicci (50609 inhabitants)
78 Km NW of Firenze (382808 inhabitants)
83 Km N of Livorno (159219 inhabitants)
91 Km W of Imola (69797 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 1.6 2014-09-25
02:42:54		 44.2717 10.5837 12 2015-09-21
09:39:02		 Bollettino Sismico Italiano INGV 17745051
Reviewed
Rev100 		ML 1.6 2014-09-25
02:42:54		 44.2707 10.5798 15 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 8505871
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2014-09-25 02:42:54 ± 0.06
Latitude 44.2717 ± 0.0036
Longitude 10.5837 ± 0.0038
Depth (km) 12 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 17745051

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 379
Semi-minor axis of confidence ellipse (meter) 129
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 185
Circular confidence region, given by single value of horizontal uncertainty (meter) 380.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 95
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.15738
Epicentral distance of station farthest from the epicenter (degree) 0.59625
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.1
Num. used stations 3
Type of magnitude ML
Reference to an origin 17745051
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-03-12 09:08:54

ML:1.6

Field Value
Value 1.6
Uncertainty 0.1
Num. used stations 3
Type of magnitude ML
Reference to an origin 8505871
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2014-09-25 02:47:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PTF.SHZ. 2014-09-25T02:43:11.53 0.6 undecidable manual S 132 51.8037 91 0.28 46
IV.MTCR.EHZ. 2014-09-25T02:43:08.74 0.3 undecidable manual S 129 42.9237 92 -0.13 69
GU.MAIM.HHZ. 2014-09-25T02:43:08.34 0.3 undecidable manual S 191 40.3263 92 0.16 72
IV.SEI.HHZ. 2014-09-25T02:43:06.71 0.1 undecidable manual P 111 66.1893 91 0.13 92
GU.EQUI.HHZ. 2014-09-25T02:43:06.76 0.3 undecidable manual S 251 36.2415 92 -0.32 67
IV.PLMA.HHZ. 2014-09-25T02:43:06.24 0.1 undecidable manual P 247 63.0924 91 0.14 93
IV.NOVE.EHE. 2014-09-25T02:43:05.27 0.6 undecidable manual P 10 59.2962 91 -0.25 43
IV.PII.HHZ. 2014-09-25T02:43:05.90 0.1 undecidable manual P 184 61.1943 91 0.1 93
IV.PTF.SHZ. 2014-09-25T02:43:04.38 0.1 undecidable manual P 132 51.8037 91 0.01 93
GU.GRAM.HHZ. 2014-09-25T02:43:04.06 0.1 undecidable manual P 301 47.7189 92 0.33 92
IV.ERBM.EHZ. 2014-09-25T02:43:03.12 0.3 undecidable manual S 320 21.2676 97 0.02 73
IV.BDI.HHZ. 2014-09-25T02:43:03.31 0.3 undecidable manual S 177 23.2545 96 -0.32 69
IV.FNVD.HHZ. 2014-09-25T02:43:03.39 0.6 undecidable manual P 105 44.4222 92 0.17 48
GU.MAIM.HHZ. 2014-09-25T02:43:02.46 0.3 positive manual P 191 40.3263 92 -0.13 69
MN.VLC.HHZ. 2014-09-25T02:43:02.82 0.3 undecidable manual S 232 20.0688 98 0.04 74
IV.MTCR.EHZ. 2014-09-25T02:43:02.87 0.1 undecidable manual P 129 42.9237 92 -0.12 91
GU.SARM.HHZ. 2014-09-25T02:43:01.92 0.3 undecidable manual S 236 17.4714 102 -0.19 71
GU.EQUI.HHZ. 2014-09-25T02:43:01.76 0.3 undecidable manual P 251 36.2415 92 -0.19 69
GU.CARD.HHZ. 2014-09-25T02:43:00.77 0.1 undecidable manual P 197 28.4493 94 0.01 97
IV.BDI.HHZ. 2014-09-25T02:42:59.87 0.1 undecidable manual P 177 23.2545 96 -0.09 96
GU.SARM.HHZ. 2014-09-25T02:42:59.12 0.3 undecidable manual P 236 17.4714 102 0.04 74
IV.ERBM.EHZ. 2014-09-25T02:42:59.52 0.6 undecidable manual P 320 21.2676 97 -0.14 47
MN.VLC.HHZ. 2014-09-25T02:42:59.61 0.1 positive manual P 232 20.0688 98 0.14 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BDI.HNN. ML:1.4 0.00016350000000000002 0.2 AML other m 2014-09-25T02:43:03.86
IV.BDI.HNE. ML:1.5 0.000203 0.62 AML other m 2014-09-25T02:43:04.18
IV.BDI.HHE. ML:1.6 0.00023249999999999999 0.62 AML other m 2014-09-25T02:43:04.18
IV.BDI.HHN. ML:1.5 0.000199 0.92 AML other m 2014-09-25T02:43:03.76
GU.CARD.HHN. ML:1.6 0.000185 0.1 AML other m 2014-09-25T02:43:01.18
GU.CARD.HHE. ML:1.4 0.000136 0.12 AML other m 2014-09-25T02:43:01.14
IV.PII.HHE. ML:1.7 0.0000939 0.26 AML other m 2014-09-25T02:43:17.91
IV.PII.HHN. ML:1.7 0.00009015000000000001 0.5 AML other m 2014-09-25T02:43:17.98
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