Earthquake with magnitude of ML 0.9 on date 24-10-2019 and time 17:32:57 (UTC) in region 1 km SW Loiano (BO)

A magnitude ML 0.9 earthquake occured in region: 1 km SW Loiano (BO), on

  • 24-10-2019 17:32:57 (UTC)
  • 24-10-2019 19:32:57 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.26, 11.32 at 17 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
Loiano BO 1 4294 4294
Monzuno BO 4 6328 10622
Monghidoro BO 5 3749 14371
San Benedetto Val di Sambro BO 8 4315 18686
Monterenzio BO 10 6035 24721
Marzabotto BO 12 6779 31500
Grizzana Morandi BO 13 3916 35416
Pianoro BO 14 17460 52876
Sasso Marconi BO 16 14735 67611
Castel del Rio BO 16 1246 68857
Vergato BO 16 7639 76496
Firenzuola FI 17 4726 81222
Castiglione dei Pepoli BO 19 5648 86870
Fontanelice BO 19 1943 88813

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km S of Bologna (386663 inhabitants)
33 Km W of Imola (69797 inhabitants)
45 Km W of Faenza (58541 inhabitants)
46 Km NE of Prato (191150 inhabitants)
49 Km NE of Pistoia (90315 inhabitants)
53 Km SE of Modena (184973 inhabitants)
55 Km N of Firenze (382808 inhabitants)
57 Km N of Scandicci (50609 inhabitants)
58 Km W of Forlì (117913 inhabitants)
67 Km SE of Carpi (70699 inhabitants)
68 Km SW of Ferrara (133155 inhabitants)
72 Km W of Ravenna (159116 inhabitants)
73 Km SE of Reggio nell'Emilia (171345 inhabitants)
75 Km W of Cesena (96758 inhabitants)
80 Km NE of Lucca (89046 inhabitants)
95 Km NE of Pisa (89158 inhabitants)
96 Km E of Viareggio (62467 inhabitants)
97 Km E of Massa (69479 inhabitants)
97 Km SW of Rovigo (51867 inhabitants)
99 Km SE of Parma (192836 inhabitants)
99 Km E of Carrara (63133 inhabitants)
100 Km NW of Arezzo (99543 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 0.9 2019-10-24
17:32:57
44.26 11.32 17 2019-10-24
17:42:01
Sala Sismica INGV-Roma 73429071
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-10-24 17:32:57 ± 0.34
Latitude 44.26 ± 0.01
Longitude 11.32 ± 0.01
Depth (km) 17 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 73429071

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1319
Semi-minor axis of confidence ellipse (meter) 362
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 203
Circular confidence region, given by single value of horizontal uncertainty (meter) 1320
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 167
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.43
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.33635
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 73429071
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-10-24 17:42:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.MCRV.HHZ. 2019-10-24T17:33:49.14 3.0 undecidable manual Sn -2.84 0
IV.PLMA.HHZ. 2019-10-24T17:33:41.68 3.0 undecidable manual Sg 13.33 0
IT.ORP.HGZ. 2019-10-24T17:33:39.87 3.0 undecidable manual Sn -1.67 0
IV.CAR1.HHZ. 2019-10-24T17:33:38.77 3.0 undecidable manual Pg 7.03 0
IV.BRES.EHZ. 2019-10-24T17:33:38.88 3.0 undecidable manual Sg 3 0
IV.VIVA.HHZ. 2019-10-24T17:33:28.30 3.0 undecidable manual Sg 4.76 0
IV.LATE.HHZ. 2019-10-24T17:33:13.21 3.0 undecidable manual Sg 1.79 0
IV.BRIS.HNN. 2019-10-24T17:33:10.51 0.3 undecidable manual S 97 0.3247 103 0.61 62
IV.LMD.HHZ. 2019-10-24T17:33:10.35 0.6 undecidable manual S 123 0.3363 103 0.11 47
IV.MOCL.EHZ. 2019-10-24T17:33:08.58 0.1 undecidable manual S 201 0.2761 107 0.05 98
IV.ZCCA.HHZ. 2019-10-24T17:33:07.63 0.3 undecidable manual S 290 0.2581 108 -0.39 68
IT.ORP.HGZ. 2019-10-24T17:33:06.13 3.0 negative manual Pg 3.82 0
IV.SEI.HHZ. 2019-10-24T17:33:06.72 0.1 undecidable manual S 172 0.2113 114 0 100
IV.FNVD.HHE. 2019-10-24T17:33:05.97 0.3 undecidable manual S 235 0.1691 121 0.38 71
IV.MOCL.EHZ. 2019-10-24T17:33:04.39 0.1 undecidable manual P 201 0.2761 107 0.46 90
IV.LMD.HHZ. 2019-10-24T17:33:04.19 0.1 undecidable manual P 123 0.3363 103 -0.73 82
IV.ZCCA.HHZ. 2019-10-24T17:33:04.23 0.3 undecidable manual P 290 0.2581 108 0.59 65
IV.BRIS.HNN. 2019-10-24T17:33:04.59 0.1 undecidable manual P 97 0.3247 103 -0.13 96
IV.SEI.HHZ. 2019-10-24T17:33:02.45 0.1 undecidable manual P 172 0.2113 114 -0.44 92
IV.FNVD.HHE. 2019-10-24T17:33:01.99 0.1 undecidable manual P 235 0.1691 121 -0.25 96
IV.RIBO.EHZ.01 2019-10-24T17:32:50.29 3.0 undecidable manual Pg 2.38 0
IV.MCIV.CHZ. 2019-10-24T17:32:43.40 3.0 positive manual Pn -1.13 0
IV.PE3.EHZ. 2019-10-24T17:32:41.02 3.0 undecidable manual S -0.19 0
IV.PE3.EHZ. 2019-10-24T17:32:28.00 3.0 undecidable manual P -0.42 0
IV.FRON.EHZ. 2019-10-24T17:32:26.93 3.0 undecidable manual P -1.18 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SEI.HHE. ML:1.5 0.0001764099 0.1152 AML other m 2019-10-24T17:33:07.19
IV.SEI.HHN. ML:1.7 0.0002951321 0.2048 AML other m 2019-10-24T17:33:06.98
IV.MOCL.EHN. ML:1.1 5.213763E-5 0.1536 AML other m 2019-10-24T17:33:10.48
IV.MOCL.EHE. ML:1.1 5.583729E-5 0.1792 AML other m 2019-10-24T17:33:10.73
IV.ZCCA.HHE. ML:0.5 1.5568135E-5 0.192 AML other m 2019-10-24T17:33:07.94
IV.ZCCA.HHN. ML:0.3 9.928705E-6 1.0368 AML other m 2019-10-24T17:33:08.10
IV.ZCCA.HNE. ML:1.1 5.611756E-5 0.7168 AML other m 2019-10-24T17:33:07.59
IV.ZCCA.HNN. ML:0.9 3.460857E-5 0.3456 AML other m 2019-10-24T17:33:07.82
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