Earthquake with magnitude of ML 2.0 on date 16-04-2015 and time 16:56:51 (UTC) in region 3 km W Gaggio Montano (BO)

A magnitude ML 2.0 earthquake occured in region: 3 km W Gaggio Montano (BO), on

  • 16-04-2015 16:56:51 (UTC)
  • 16-04-2015 18:56:51 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.2020, 10.8940 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Gaggio Montano BO 3 4878 4878
Lizzano in Belvedere BO 4 2212 7090
Fanano MO 8 2989 10079
Montese MO 8 3353 13432
Alto Reno Terme BO 8 6960 20392
Sestola MO 10 2508 22900
Castel di Casio BO 12 3448 26348
Castel d'Aiano BO 12 1906 28254
Sambuca Pistoiese PT 14 1626 29880
Montecreto MO 15 940 30820
Cutigliano PT 16 1488 32308
Camugnano BO 16 1885 34193
Pavullo nel Frignano MO 16 17383 51576
Lama Mocogno MO 18 2734 54310
San Marcello Pistoiese PT 18 6416 60726
Zocca MO 18 4719 65445
Abetone PT 19 621 66066
Riolunato MO 19 712 66778
Fiumalbo MO 20 1280 68058
Vergato BO 20 7639 75697

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km N of Pistoia (90315 inhabitants)
39 Km NW of Prato (191150 inhabitants)
48 Km SW of Bologna (386663 inhabitants)
50 Km S of Modena (184973 inhabitants)
51 Km NE of Lucca (89046 inhabitants)
54 Km NW of Scandicci (50609 inhabitants)
56 Km NW of Firenze (382808 inhabitants)
59 Km SE of Reggio nell'Emilia (171345 inhabitants)
63 Km E of Massa (69479 inhabitants)
63 Km NE of Viareggio (62467 inhabitants)
65 Km S of Carpi (70699 inhabitants)
65 Km E of Carrara (63133 inhabitants)
67 Km NE of Pisa (89158 inhabitants)
68 Km W of Imola (69797 inhabitants)
79 Km W of Faenza (58541 inhabitants)
80 Km SE of Parma (192836 inhabitants)
86 Km E of La Spezia (93959 inhabitants)
86 Km NE of Livorno (159219 inhabitants)
91 Km SW of Ferrara (133155 inhabitants)
92 Km W of Forlì (117913 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 2.0 2015-04-16
16:56:51
44.2015 10.8942 10 2015-10-19
09:28:02
Bollettino Sismico Italiano INGV 20755361
Reviewed
Rev100
ML 2.0 2015-04-16
16:56:50
44.19 10.9208 21 2015-04-16
17:05:59
Sala Sismica INGV-Roma 18459841
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2015-04-16 16:56:51 ± 0.08
Latitude 44.2015 ± 0.0045
Longitude 10.8942 ± 0.0050
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 20755361

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 457
Semi-minor axis of confidence ellipse (meter) 431
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 24
Circular confidence region, given by single value of horizontal uncertainty (meter) 460.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 79
Number of associated phases, regardless of their use for origin computation 33
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.54769
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 18459841
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2015-04-16 17:05:58

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 20755361
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-08-07 13:13:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EUCT.HNZ. 2015-04-16T16:57:40.99 3.0 undecidable manual Sn 0.1 0
IV.CSNT.HHZ. 2015-04-16T16:57:15.99 3.0 undecidable manual S -3.56 0
IV.CPGN.EHZ. 2015-04-16T16:57:09.97 3.0 undecidable manual P -1.98 0
GU.EQUI.HHZ. 2015-04-16T16:57:09.41 0.1 undecidable manual S 266 59.0964 50 -0.51 84
IV.PII.HHZ. 2015-04-16T16:57:09.84 0.1 undecidable manual S 209 60.7947 50 -0.54 83
IV.RAVA.EHZ. 2015-04-16T16:57:08.99 3.0 undecidable manual S -3.84 0
GU.MAIM.HHZ. 2015-04-16T16:57:06.37 0.1 undecidable manual S 225 45.2214 50 0.15 94
IV.SFI.EHZ. 2015-04-16T16:57:06.57 3.0 positive manual P 0.33 0
IV.ERBM.EHZ. 2015-04-16T16:57:06.43 0.1 undecidable manual S 302 45.2214 50 0.21 92
IV.ASQU.HHZ. 2015-04-16T16:57:06.75 3.0 positive manual P 0.25 0
IV.SEI.HHZ. 2015-04-16T16:57:05.39 0.1 undecidable manual S 114 40.4262 50 0.46 88
MN.VLC.HHZ. 2015-04-16T16:57:05.29 0.1 undecidable manual S 264 40.626 50 0.29 92
GU.CARD.HHZ. 2015-04-16T16:57:04.46 0.1 undecidable manual S 239 38.1285 50 0.13 95
GU.SARM.HHZ. 2015-04-16T16:57:04.71 0.1 undecidable manual S 267 39.3273 50 0.07 96
IV.RUFI.EHZ. 2015-04-16T16:57:03.12 3.0 positive manual P 0.1 0
IV.PII.HHZ. 2015-04-16T16:57:02.37 0.1 negative manual P 209 60.7947 50 -0.04 93
GU.EQUI.HHZ. 2015-04-16T16:57:01.98 0.1 positive manual P 266 59.0964 50 -0.17 91
IV.BDI.HHZ. 2015-04-16T16:57:01.81 0.1 undecidable manual S 237 28.3494 50 0.1 97
GU.MAIM.HHZ. 2015-04-16T16:57:00.01 0.1 undecidable manual P 225 45.2214 50 0 96
IV.ERBM.EHZ. 2015-04-16T16:57:00.05 0.1 positive manual P 302 45.2214 50 0.04 96
IV.MTRZ.HHE. 2015-04-16T16:57:00.02 0.1 undecidable manual P 73 43.9227 50 0.21 93
IV.SEI.HHZ. 2015-04-16T16:56:59.38 0.1 undecidable manual P 114 40.4262 50 0.11 95
MN.VLC.HHZ. 2015-04-16T16:56:59.23 0.1 negative manual P 264 40.626 50 -0.08 96
IV.MTCR.EHZ. 2015-04-16T16:56:59.78 0.1 undecidable manual S 156 21.0678 116 0.11 98
GU.POPM.HHZ. 2015-04-16T16:56:59.99 0.1 undecidable manual S 212 20.4684 117 0.5 91
IV.FNVD.HHZ. 2015-04-16T16:56:58.52 0.1 undecidable manual S 102 18.5703 119 -0.38 94
GU.CARD.HHZ. 2015-04-16T16:56:58.56 0.1 undecidable manual P 239 38.1285 50 -0.36 91
GU.SARM.HHZ. 2015-04-16T16:56:58.92 0.1 positive manual P 267 39.3273 50 -0.17 94
IV.BDI.HHZ. 2015-04-16T16:56:57.25 0.1 positive manual P 237 28.3494 50 -0.15 96
GU.POPM.HHZ. 2015-04-16T16:56:56.22 0.1 positive manual P 212 20.4684 117 0.09 99
IV.MTCR.EHZ. 2015-04-16T16:56:56.19 0.1 negative manual P 156 21.0678 116 -0.04 100
IV.ZCCA.HHZ. 2015-04-16T16:56:55.91 0.1 positive manual P 21 17.7711 120 0.26 96
IV.FNVD.HHZ. 2015-04-16T16:56:55.37 0.1 positive manual P 102 18.5703 119 -0.41 93
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BDI.HHE. ML:2.2 0.0008655 0.18 AML other m 2015-04-16T16:57:02.17
IV.BDI.HNE. ML:2.3 0.0009500000000000001 0.44 AML other m 2015-04-16T16:57:02.39
IV.BDI.HNN. ML:2.1 0.0007055 0.62 AML other m 2015-04-16T16:57:02.10
IV.BDI.HHN. ML:2.2 0.000804 0.56 AML other m 2015-04-16T16:57:02.40
GU.CARD.HHN. ML:2.0 0.0003675 0.78 AML other m 2015-04-16T16:57:06.36
GU.CARD.HHE. ML:2.0 0.000379 1.54 AML other m 2015-04-16T16:57:05.94
GU.EQUI.HHN. ML:1.4 0.0000574 0.74 AML other m 2015-04-16T16:57:14.94
GU.EQUI.HHE. ML:1.4 0.00005745 0.74 AML other m 2015-04-16T16:57:16.08
IV.ERBM.EHE. ML:1.9 0.00021700000000000002 1.32 AML other m 2015-04-16T16:57:07.30
IV.ERBM.EHN. ML:1.7 0.00013800000000000002 0.9 AML other m 2015-04-16T16:57:10.47
IV.FNVD.HHN. ML:2.0 0.0007989999999999999 0.48 AML other m 2015-04-16T16:56:58.73
IV.FNVD.HHE. ML:1.8 0.0005175000000000001 1.58 AML other m 2015-04-16T16:56:59.63
GU.MAIM.HHE. ML:1.2 0.00005215 1.58 AML other m 2015-04-16T16:57:08.53
GU.MAIM.HHN. ML:1.4 0.00007230000000000001 1.42 AML other m 2015-04-16T16:57:08.17
IV.MTCR.EHE. ML:2.0 0.000723 0.72 AML other m 2015-04-16T16:56:59.94
IV.MTCR.EHN. ML:1.8 0.000428 0.48 AML other m 2015-04-16T16:57:00.74
IV.PII.HHN. ML:1.8 0.0001225 0.52 AML other m 2015-04-16T16:57:12.63
IV.PII.HHE. ML:2.0 0.00019700000000000002 0.3 AML other m 2015-04-16T16:57:13.38
GU.SARM.HHN. ML:1.9 0.000258 0.52 AML other m 2015-04-16T16:57:05.25
GU.SARM.HHE. ML:1.7 0.00019250000000000002 0.4 AML other m 2015-04-16T16:57:05.28
IV.SEI.HHN. ML:2.2 0.0005660000000000001 0.34 AML other m 2015-04-16T16:57:05.75
IV.SEI.HHE. ML:2.2 0.0006165000000000001 0.34 AML other m 2015-04-16T16:57:06.76
MN.VLC.HHE. ML:2.2 0.0005620000000000001 0.36 AML other m 2015-04-16T16:57:05.78
MN.VLC.HNE. ML:2.2 0.0005434999999999999 0.38 AML other m 2015-04-16T16:57:05.79
MN.VLC.HHN. ML:1.9 0.0002725 0.32 AML other m 2015-04-16T16:57:05.62
MN.VLC.HNN. ML:2.0 0.0003105 1.2 AML other m 2015-04-16T16:57:05.62
IV.ZCCA.HNE. ML:2.0 0.0008999999999999999 0.84 AML other m 2015-04-16T16:57:00.85
IV.ZCCA.HHE. ML:2.1 0.001053 0.84 AML other m 2015-04-16T16:57:00.84
IV.ZCCA.HNN. ML:2.3 0.001665 0.34 AML other m 2015-04-16T16:57:00.83
IV.ZCCA.HHN. ML:2.3 0.0017 0.36 AML other m 2015-04-16T16:57:01.00
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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