Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 24-01-2016 and time 18:47:01 (Italy) in region 2 km E Loiano (BO)

A magnitude ML 2.0 earthquake occured in region: 2 km E Loiano (BO), on

  • 24-01-2016 17:47:01 (UTC)
  • 24-01-2016 18:47:01 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.2700, 11.3490 at 27 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
Loiano BO 2 4294 4294
Monghidoro BO 6 3749 8043
Monzuno BO 6 6328 14371
Monterenzio BO 8 6035 20406
San Benedetto Val di Sambro BO 11 4315 24721
Pianoro BO 13 17460 42181
Marzabotto BO 14 6779 48960
Castel del Rio BO 14 1246 50206
Grizzana Morandi BO 16 3916 54122
Sasso Marconi BO 16 14735 68857
Fontanelice BO 17 1943 70800
Firenzuola FI 17 4726 75526
Vergato BO 19 7639 83165
Borgo Tossignano BO 19 3288 86453

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km S of Bologna (386663 inhabitants)
31 Km W of Imola (69797 inhabitants)
43 Km W of Faenza (58541 inhabitants)
48 Km NE of Prato (191150 inhabitants)
51 Km NE of Pistoia (90315 inhabitants)
54 Km SE of Modena (184973 inhabitants)
55 Km W of Forlì (117913 inhabitants)
56 Km N of Firenze (382808 inhabitants)
58 Km N of Scandicci (50609 inhabitants)
67 Km SW of Ferrara (133155 inhabitants)
68 Km SE of Carpi (70699 inhabitants)
70 Km W of Ravenna (159116 inhabitants)
73 Km W of Cesena (96758 inhabitants)
74 Km SE of Reggio nell'Emilia (171345 inhabitants)
83 Km NE of Lucca (89046 inhabitants)
96 Km SW of Rovigo (51867 inhabitants)
98 Km NE of Pisa (89158 inhabitants)
99 Km E of Viareggio (62467 inhabitants)
99 Km NW of Arezzo (99543 inhabitants)
100 Km E of Massa (69479 inhabitants)
100 Km W of Rimini (147750 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 2016-01-24
17:47:01		 44.2703 11.3493 27 2016-05-17
13:16:22		 Bollettino Sismico Italiano INGV 23448901
Reviewed
Rev100 		ML 1.8 2016-01-24
17:47:03		 44.2138 11.3755 10 2016-01-24
17:54:22		 Sala Sismica INGV-Roma 23224401
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-01-24 17:47:01 ± 0.16
Latitude 44.2703 ± 0.0090
Longitude 11.3493 ± 0.0100
Depth (km) 27 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 23448901

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 933
Semi-minor axis of confidence ellipse (meter) 381
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 184
Circular confidence region, given by single value of horizontal uncertainty (meter) 930.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 134
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
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) 0.06835
Epicentral distance of station farthest from the epicenter (degree) 1.11426
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.4
Num. used stations 5
Type of magnitude ML
Reference to an origin 23448901
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2016-02-10 09:20:52

ML:1.8

Field Value
Value 1.8
Uncertainty 0.4
Num. used stations 5
Type of magnitude ML
Reference to an origin 23224401
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-01-24 17:54:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSNT.HHZ. 2016-01-24T17:47:28.60 0.6 undecidable manual S 183 88.5447 102 0.41 40
IV.ASQU.HHZ. 2016-01-24T17:47:21.20 0.6 undecidable manual S 146 63.1923 108 -0.43 41
IV.TEOL.HHE. 2016-01-24T17:47:21.67 0.3 undecidable manual P 12 123.6873 54 -0.49 56
IV.PARC.HHE. 2016-01-24T17:47:18.52 0.6 undecidable manual P 134 99.0231 101 -0.02 42
IV.CSNT.HHZ. 2016-01-24T17:47:17.52 0.6 undecidable manual P 183 88.5447 102 0.56 38
IV.RUFI.EHZ. 2016-01-24T17:47:17.65 0.6 undecidable manual S 165 49.617 113 -0.59 40
IV.CRE.HHE. 2016-01-24T17:47:17.26 0.6 undecidable manual P 146 86.8464 102 0.56 38
IV.MPPT.EHZ. 2016-01-24T17:47:16.07 0.6 undecidable manual S 211 40.4262 118 0.06 47
IV.MTCR.EHZ. 2016-01-24T17:47:15.66 0.6 undecidable manual S 226 38.5281 120 0.08 47
IV.BRIS.HHZ. 2016-01-24T17:47:14.64 0.3 undecidable manual S 99 33.5442 124 0.2 70
IV.LMD.HHZ. 2016-01-24T17:47:13.79 0.6 undecidable manual S 29.9478 -0.16 51
IV.ASQU.HHZ. 2016-01-24T17:47:13.04 0.3 undecidable manual P 146 63.1923 108 -0.14 66
IV.FNVD.HHZ. 2016-01-24T17:47:11.30 0.6 undecidable manual S 238 21.2676 138 -0.66 42
IV.RUFI.EHZ. 2016-01-24T17:47:11.18 0.3 undecidable manual P 165 49.617 113 -0.04 70
IV.MTRZ.HHZ. 2016-01-24T17:47:10.47 0.3 undecidable manual S 52 7.5813 163 0.34 70
IV.MTCR.EHZ. 2016-01-24T17:47:10.12 0.1 undecidable manual P 226 38.5281 120 0.44 87
IV.MPPT.EHZ. 2016-01-24T17:47:09.99 0.1 undecidable manual P 211 40.4262 118 0.06 94
IV.BRIS.HHZ. 2016-01-24T17:47:08.95 0.1 positive manual P 99 33.5442 124 -0.08 95
IV.FNVD.HHZ. 2016-01-24T17:47:07.29 0.1 undecidable manual P 238 21.2676 138 -0.3 93
IV.MTRZ.HHZ. 2016-01-24T17:47:06.48 0.1 negative manual P 52 7.5813 163 -0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ASQU.HHN. ML:1.5 0.0000477 1.56 AML other m 2016-01-24T17:47:22.99
IV.ASQU.HHE. ML:1.3 0.00003465 1.18 AML other m 2016-01-24T17:47:23.75
IV.BRIS.HHN. ML:2.4 0.0007635000000000001 0.32 AML other m 2016-01-24T17:47:16.01
IV.BRIS.HHE. ML:2.0 0.00029400000000000004 0.3 AML other m 2016-01-24T17:47:16.24
IV.FNVD.HHN. ML:1.9 0.000317 0.28 AML other m 2016-01-24T17:47:11.42
IV.FNVD.HHE. ML:1.8 0.000257 0.14 AML other m 2016-01-24T17:47:12.43
IV.LMD.HHE. ML:1.6 0.00010955 0.18 AML other m 2016-01-24T17:47:14.06
IV.LMD.HHN. ML:1.6 0.0001155 0.56 AML other m 2016-01-24T17:47:13.86
IV.MTRZ.HHN. ML:2.4 0.001395 0.6 AML other m 2016-01-24T17:47:11.88
IV.MTRZ.HHE. ML:2.6 0.00199 0.62 AML other m 2016-01-24T17:47:11.16
IV.MTRZ.HNN. ML:2.4 0.00138 1.26 AML other m 2016-01-24T17:47:11.88
IV.MTRZ.HNE. ML:2.6 0.0019500000000000001 0.62 AML other m 2016-01-24T17:47:11.16
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