Earthquake with magnitude of ML 2.0 on date 31-10-2018 and time 19:22:24 (Italy) in region 10 km NW Milo (CT)

A magnitude ML 2.0 earthquake occured in region: 10 km NW Milo (CT), on

  • 31-10-2018 18:22:24 (UTC)
  • 31-10-2018 19:22:24 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.78, 15.03 at 8 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
Milo CT 10 1087 1087
Sant'Alfio CT 11 1582 2669
Zafferana Etnea CT 12 9517 12186
Linguaglossa CT 12 5403 17589
Moio Alcantara ME 13 717 18306
Randazzo CT 13 10900 29206
Piedimonte Etneo CT 13 3963 33169
Castiglione di Sicilia CT 14 3215 36384
Santa Venerina CT 14 8592 44976
Giarre CT 15 27659 72635
Mascali CT 15 14282 86917
Malvagna ME 15 733 87650
Maletto CT 15 3920 91570
Fiumefreddo di Sicilia CT 16 9623 101193
Santa Domenica Vittoria ME 16 980 102173
Francavilla di Sicilia ME 16 3945 106118
Riposto CT 16 14838 120956
Roccella Valdemone ME 17 666 121622
Bronte CT 18 19172 140794
Motta Camastra ME 18 845 141639
Calatabiano CT 18 5308 146947
Gaggi ME 19 3184 150131
Pedara CT 19 14102 164233
Ragalna CT 19 3924 168157
Nicolosi CT 19 7463 175620
Trecastagni CT 19 10910 186530
Viagrande CT 20 8563 195093

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km NW of Acireale (52622 inhabitants)
32 Km N of Catania (314555 inhabitants)
65 Km SW of Reggio di Calabria (183035 inhabitants)
65 Km SW of Messina (238439 inhabitants)
84 Km N of Siracusa (122291 inhabitants)
91 Km E of Caltanissetta (63360 inhabitants)
99 Km N of Ragusa (73313 inhabitants)
Recent and historical Seismicity

These maps show the seismicity for different time windows. The earthquake locations reported in these maps are determined in quasi real-time by the personnel on duty in the seismic surveillance center of INGV in Rome. Note that the earthquake source parameters (hypocentral location and magnitude) are the best estimates obstained with the available data and they are adjourned as additional data become available. The source parameters obtained by the personnel on duty are then revised by the group in charge of the INGV Seismic Bulletin (Bollettino Sismico Italiano dell’INGV).

Earthquakes of the last three days (72 hours)

Earthquakes of the last three days (72 hours) *

This map reports the earthquake epicenters located in the past 72 hours (3 days) from the time this page has been generated. The radius of the circle representing the earthquake on the map scales with magnitude. The color depends on the time of occurrence of the earthquakes with respect to the time of generation of the map (red = 1 hour; orange = 24 hours; yellow = 72 hours). The open star shows the epicenter of the current earthquake.
Earthquakes of the last 90 days

Earthquakes of the last 90 days *

This map reports the Magnitudo ≥ 1.0 earthquake epicenters located using the data acquired by the Italian National Seismic Network and by other collaborating networks in Italy and in the neighbouring countries. The radii of the circles representing the epicenters on the map scale with magnitude. The color of each circle depends on the time of occurrence of the earthquakes with respect to the time of generation of the map (red = 1 hour; orange = 24 hours; yellow = 72 hours; blue = all other earthquakes). The open star shows the epicenter of the current earthquake.
Earthquakes since 1985

Earthquakes since 1985 *

This map reports the Magnitudo ≥ 2.5 earthquake epicenters located using the data acquired by the Italian National Seismic Network and by other collaborating networks in Italy and in the neighbouring countries. The radii of the circles representing the epicenters on the map scale with magnitude. The color of each circle depends on the time of occurrence of the earthquakes with respect to the time of generation of the map (red = 1 hour; orange = 24 hours; yellow = 72 hours; blue = all other earthquakes). The open star shows the epicenter of the current earthquake.
Earthquakes since 1000 AD until 2014

Earthquakes since 1000 AD until 2014 *

This map shows the epicenters of the historical earthquakes catalogue CPT15 (Catalogo Parametrico dei Terremoti Italiani, 2015 version https://emidius.mi.ingv.it/CPTI15-DBMI15/) with estimated magnitude ≥ 5.0 since 1000 AD until 2014. The epicenters are represented by squares which sides scale with the estimated earthquake magnitude. For earthquakes with magnitude ≥ 6.0, it is also shown the year of occurrence and the magnitude value. The open star shows the epicenter of the current earthquake.
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 1000 ML 2.0 2018-10-31
18:22:24
37.78 15.03 8 2019-06-04
09:16:12
Bollettino Sismico Italiano INGV 67503041
Rev 100 ML 2.4 2018-10-31
18:22:24
37.76 15.04 8 2018-10-31
18:34:16
Sala Sismica INGV-Roma 62625821
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-10-31 18:22:24 ± 0.09
Latitude 37.78 ± 0.01
Longitude 15.03 ± 0.01
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 67503041

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 634
Semi-minor axis of confidence ellipse (meter) 548
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 262
Circular confidence region, given by single value of horizontal uncertainty (meter) 630
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 97
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
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) 0.0063
Epicentral distance of station farthest from the epicenter (degree) 0.62773
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:2.4

Field Value
Value 2.4
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 62625821
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-10-31 18:34:16

ML:2

Field Value
Value 2
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 67503041
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-05-06 10:08:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.SSY.HHZ. 2018-10-31T18:22:46.65 1.0 undecidable manual S 177 0.6277 50 0.17 23
IV.MILZ.HHE. 2018-10-31T18:22:43.01 0.6 undecidable manual S 18 0.5108 50 -0.01 49
IV.MPNC.HHE. 2018-10-31T18:22:41.24 0.6 undecidable manual S 35 0.4407 50 0.29 47
IV.SSY.HHZ. 2018-10-31T18:22:36.60 0.3 undecidable manual P 177 0.6277 50 -0.72 59
IV.HAGA.HHZ. 2018-10-31T18:22:35.43 0.6 undecidable manual P 169 0.509 50 0.14 48
IV.MILZ.HHE. 2018-10-31T18:22:35.43 0.6 undecidable manual P 18 0.5108 50 0.11 48
IV.MPNC.HHE. 2018-10-31T18:22:34.12 0.6 undecidable manual P 35 0.4407 50 -0.01 50
IV.ESML.HHZ. 2018-10-31T18:22:33.70 0.3 undecidable manual S 216 0.2059 110 0.48 71
IV.GALF.HHZ. 2018-10-31T18:22:33.31 0.6 undecidable manual P 259 0.375 50 0.31 47
IV.EPOZ.HHZ. 2018-10-31T18:22:32.41 0.6 undecidable manual S 132 0.1673 114 0.56 46
IV.EPZF.HHZ. 2018-10-31T18:22:31.24 0.3 undecidable manual S 286 0.1439 117 0.22 76
IV.MUCR.HHZ. 2018-10-31T18:22:31.19 0.1 positive manual P 334 0.2869 104 -0.19 99
IV.NOV.HHZ. 2018-10-31T18:22:31.33 0.6 undecidable manual P 19 0.2563 106 0.6 45
IV.ESML.HHZ. 2018-10-31T18:22:29.39 0.3 undecidable manual P 216 0.2059 110 -0.27 74
IV.EPZF.HHZ. 2018-10-31T18:22:28.23 0.3 undecidable manual P 286 0.1439 117 -0.17 77
IV.EPOZ.HHZ. 2018-10-31T18:22:28.65 0.3 undecidable manual P 132 0.1673 114 -0.22 75
IV.EMCN.HNZ. 2018-10-31T18:22:27.76 0.3 undecidable manual S 10 0.0063 175 0.1 80
IV.EMCN.HNZ. 2018-10-31T18:22:26.06 0.1 negative manual P 10 0.0063 175 -0.39 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.HAGA.HHE. ML:0 9.7751305E-5 0.5376 AML other m 2018-10-31T18:22:41.64
IV.SSY.HHE. ML:0 0.0003247322 0.2048 AML other m 2018-10-31T18:22:48.25
IV.SSY.HHN. ML:0 0.0006012925 0.2816 AML other m 2018-10-31T18:22:48.77
IV.EMCN.HNE. ML:0 0.0107706395 0.4608 AML other m 2018-10-31T18:22:28.78
IV.EMCN.HNN. ML:0 0.005694474 0.128 AML other m 2018-10-31T18:22:28.62
IV.EPZF.HHN. ML:2 0.00104768145 0.3712 AML other m 2018-10-31T18:22:32.21
IV.EPZF.HHE. ML:2.2 0.0014167175 0.3328 AML other m 2018-10-31T18:22:32.61
IV.EPOZ.HHE. ML:2.7 0.0038038695 0.576 AML other m 2018-10-31T18:22:34.41
IV.EPOZ.HHN. ML:2.8 0.0051437795 0.4992 AML other m 2018-10-31T18:22:33.55
IV.ESML.HHE. ML:2 0.0006661841 0.3456 AML other m 2018-10-31T18:22:34.70
IV.ESML.HHN. ML:1.9 0.0005467376 0.6656 AML other m 2018-10-31T18:22:34.78
IV.GALF.HHN. ML:1.8 0.00022027115 0.576 AML other m 2018-10-31T18:22:41.70
IV.GALF.HNE. ML:1.6 0.00013337035 0.7296 AML other m 2018-10-31T18:22:41.72
IV.HAGA.HHN. ML:1.7 0.00010948086 0.9472 AML other m 2018-10-31T18:22:40.50
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Focal Mechanisms

Focal Mechanisms *

This map reports the focal mechanisms since 1977 in the region. The white and red beach ball symbols are mechanisms determined using the Regional Centroid Moment Tensor (RCMT, http://www.bo.ingv.it/RCMT) and are determined for earthquakes with magnitude larger than 4.5 in the Euro-Mediterranenan area. Occasionally, when there is a good source-receiver geometry of the target earthquake, the RCMT can be obtained also for earthquakes with magnitude larger than 4.0. The blue and white beach ball symbols indicate the mechanisms obtained from application of the Time Domain Moment Tensor (TDMT, http://terremoti.ingv.it/tdmt.html). This technique is used for M ≥ 3.5. The size of the beach ball sysmbol scales with the calculated moment magnitude, Mw.
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
Waveforms Seismic signals in full SEED format Download