Earthquake with magnitude of ML 2.0 on date 31-07-2018 and time 05:22:49 (Italy) in region 1 km NE Alcara li Fusi (ME)

A magnitude ML 2.0 earthquake occured in region: 1 km NE Alcara li Fusi (ME), on

  • 31-07-2018 03:22:49 (UTC)
  • 31-07-2018 05:22:49 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.03, 14.71 at 44 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
Alcara li Fusi ME 1 1980 1980
Militello Rosmarino ME 3 1324 3304
Longi ME 4 1473 4777
San Marco d'Alunzio ME 5 1996 6773
Frazzanò ME 5 711 7484
Galati Mamertino ME 6 2627 10111
Torrenova ME 7 4386 14497
Mirto ME 7 974 15471
San Salvatore di Fitalia ME 7 1319 16790
Sant'Agata di Militello ME 8 12624 29414
Capri Leone ME 8 4515 33929
San Fratello ME 10 3707 37636
Tortorici ME 10 6435 44071
Castell'Umberto ME 10 3128 47199
Acquedolci ME 11 5744 52943
Naso ME 12 3813 56756
Ficarra ME 14 1469 58225
Sinagra ME 14 2705 60930
Capo d'Orlando ME 15 13254 74184
Ucria ME 15 1058 75242
Brolo ME 17 5783 81025
Sant'Angelo di Brolo ME 18 3090 84115
Raccuja ME 18 1041 85156
Floresta ME 18 485 85641
Piraino ME 20 3962 89603

Municipalities with at least 50000 inhabitants

An earthquake occurred to
62 Km NW of Acireale (52622 inhabitants)
68 Km NW of Catania (314555 inhabitants)
76 Km W of Messina (238439 inhabitants)
82 Km W of Reggio di Calabria (183035 inhabitants)
83 Km NE of Caltanissetta (63360 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 2018-07-31
03:22:49
38.03 14.71 44 2019-04-24
14:51:13
Bollettino Sismico Italiano INGV 66753831
Rev 100 ML 2.0 2018-07-31
03:22:48
38.04 14.7 46 2018-07-31
03:36:49
Sala Sismica INGV-Roma 59206921
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-07-31 03:22:49 ± 0.19
Latitude 38.03 ± 0.01
Longitude 14.71 ± 0.02
Depth (km) 44 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 66753831

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1318
Semi-minor axis of confidence ellipse (meter) 1261
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 143
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) 66
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 27
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) 0.10432
Epicentral distance of station farthest from the epicenter (degree) 0.9227
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 19
Magnitudes information

ML:2

Field Value
Value 2
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 59206921
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-07-31 03:36:49

ML:2

Field Value
Value 2
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 66753831
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-03-21 11:12:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.RAFF.HHZ. 2018-07-31T03:23:18.70 0.6 undecidable manual S 199 0.8562 97 1.55 29
IV.AIO.HHE. 2018-07-31T03:23:08.16 0.3 undecidable manual S 99 0.4182 118 1.11 55
IV.IVPL.HHN. 2018-07-31T03:23:06.99 0.6 undecidable manual S 32 0.4029 120 0.26 47
IV.SSY.HHZ. 2018-07-31T03:23:05.96 0.3 undecidable manual P 162 0.9227 96 -0.35 62
IV.NOV.HHE. 2018-07-31T03:23:05.28 0.3 undecidable manual S 91 0.3372 127 -0.14 77
IV.GALF.HHZ. 2018-07-31T03:23:05.26 0.6 undecidable manual S 199 0.3426 126 -0.26 49
IV.RAFF.HHZ. 2018-07-31T03:23:05.29 0.1 undecidable manual P 199 0.8562 97 -0.1 90
IV.EPZF.HHZ. 2018-07-31T03:23:03.84 0.3 undecidable manual S 151 0.241 140 0.1 79
IV.MNO.SHZ. 2018-07-31T03:23:02.83 0.3 undecidable manual S 186 0.1043 161 0.71 65
IV.IACL.HHZ. 2018-07-31T03:23:01.53 0.3 undecidable manual P 331 0.5702 106 0.02 74
IV.MUCR.HHZ. 2018-07-31T03:23:01.26 0.3 undecidable manual S 86 0.1304 157 -1.09 61
IV.MPNC.HHE. 2018-07-31T03:23:01.50 0.6 undecidable manual P 77 0.5189 109 0.65 44
IV.PETRA.HHE. 2018-07-31T03:23:00.80 1.0 undecidable manual P 247 0.509 110 0.09 25
IV.MILZ.HHE. 2018-07-31T03:23:00.51 0.3 undecidable manual P 60 0.4748 113 0.24 73
IV.EPOZ.HHE. 2018-07-31T03:23:00.11 0.6 undecidable manual P 134 0.5243 109 -0.8 38
IV.PLLN.EHZ. 2018-07-31T03:23:00.11 0.1 undecidable manual P 265 0.447 115 0.19 98
IV.CAGR.HHZ. 2018-07-31T03:23:00.30 1.0 undecidable manual P 202 0.4434 116 0.42 24
IV.CSLB.HHN. 2018-07-31T03:23:00.79 0.6 undecidable manual P 259 0.5216 109 -0.08 50
IV.ILLI.HHE. 2018-07-31T03:22:59.54 1.0 undecidable manual P 25 0.4524 115 -0.44 24
IV.IVPL.HHN. 2018-07-31T03:22:59.24 0.3 undecidable manual P 32 0.4029 120 -0.14 77
IV.AIO.HHE. 2018-07-31T03:22:59.25 0.3 undecidable manual P 99 0.4182 118 -0.31 72
IV.NOV.HHE. 2018-07-31T03:22:59.20 0.1 undecidable manual P 91 0.3372 127 0.58 93
IV.GALF.HHZ. 2018-07-31T03:22:58.25 0.1 undecidable manual P 199 0.3426 126 -0.43 95
IV.MNO.SHZ. 2018-07-31T03:22:57.44 0.3 undecidable manual P 186 0.1043 161 0.72 67
IV.EPZF.HHZ. 2018-07-31T03:22:57.36 0.1 undecidable manual P 151 0.241 140 -0.29 100
IV.EMSG.HHZ. 2018-07-31T03:22:57.97 0.3 undecidable manual P 138 0.286 133 -0.11 77
IV.MUCR.HHZ. 2018-07-31T03:22:56.15 0.1 undecidable manual P 86 0.1304 157 -0.7 93
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MUCR.HHE. ML:2 0.0003105 0.66 AML other m 2018-07-31T03:23:02.76
IV.MUCR.HHN. ML:2 0.0002985 0.28 AML other m 2018-07-31T03:23:03.21
IV.MNO.SHN. ML:0 0.000168 1.44 AML other m 2018-07-31T03:23:03.82
IV.MNO.SHE. ML:0 0.000139 0.6 AML other m 2018-07-31T03:23:03.54
IV.EPZF.HHN. ML:2.5 0.0007805 0.32 AML other m 2018-07-31T03:23:07.80
IV.EPZF.HHE. ML:2.1 0.000323 1.64 AML other m 2018-07-31T03:23:08.04
IV.GALF.HHE. ML:1.8 0.000124 0.7 AML other m 2018-07-31T03:23:09.08
IV.GALF.HHN. ML:1.6 8.06E-5 0.48 AML other m 2018-07-31T03:23:15.72
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