Earthquake with magnitude of ML 3.1 on date 27-09-2020 and time 21:15:44 (Italy) in region 5 km SW Linguaglossa (CT)

A magnitude ML 3.1 earthquake occured in region: 5 km SW Linguaglossa (CT), on

  • 27-09-2020 19:15:44 (UTC)
  • 27-09-2020 21:15:44 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.82, 15.1 at 1 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
Linguaglossa CT 5 5403 5403
Piedimonte Etneo CT 7 3963 9366
Castiglione di Sicilia CT 7 3215 12581
Sant'Alfio CT 9 1582 14163
Francavilla di Sicilia ME 10 3945 18108
Fiumefreddo di Sicilia CT 10 9623 27731
Moio Alcantara ME 10 717 28448
Milo CT 11 1087 29535
Mascali CT 11 14282 43817
Motta Camastra ME 11 845 44662
Calatabiano CT 11 5308 49970
Gaggi ME 12 3184 53154
Malvagna ME 12 733 53887
Giarre CT 12 27659 81546
Riposto CT 13 14838 96384
Zafferana Etnea CT 14 9517 105901
Graniti ME 14 1492 107393
Santa Venerina CT 15 8592 115985
Roccella Valdemone ME 15 666 116651
Randazzo CT 15 10900 127551
Giardini-Naxos ME 16 9415 136966
Castelmola ME 16 1088 138054
Santa Domenica Vittoria ME 16 980 139034
Taormina ME 17 10960 149994
Mongiuffi Melia ME 18 600 150594
Roccafiorita ME 19 197 150791
Gallodoro ME 19 367 151158
Letojanni ME 19 2861 154019
Fondachelli-Fantina ME 20 1019 155038

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km N of Acireale (52622 inhabitants)
35 Km N of Catania (314555 inhabitants)
58 Km SW of Reggio di Calabria (183035 inhabitants)
58 Km SW of Messina (238439 inhabitants)
86 Km N of Siracusa (122291 inhabitants)
98 Km E 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 3 days preceding this event

Earthquakes of the 3 days preceding this event *

This map reports the earthquake epicenters located in the 72 hours (3 days) preceding the time of the current earthquake occurrence, using the data acquired by the Italian National Seismic Network and by other collaborating networks in Italy and in the neighbouring countries. 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 90 days preceding this event

Earthquakes of the 90 days preceding this event *

This map reports the Magnitudo ≥ 1.0 earthquake epicenters located in the 90 days preceding the time of the current earthquake occurrence, 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 from 1985 to the date of the event

Earthquakes from 1985 to the date of the event *

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 2019

Earthquakes since 1000 AD until 2019 *

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

These three maps show the results of the analysis using the software ShakeMap designed to provide the level of ground shaking experienced in a region using the data recorded by seismometers and strong motion instruments and seismological information regarding the attenuation of the wavefield with distance and the site characteristics. The Shakemaps are determined for research purposes to provide fast estimates of the level of ground shaking produced by the earthquake. The maps are calculated automatically and adjourned progressively as more data become available. See http://shakemap.rm.ingv.it/ for additional information.

The red star indicates the epicenter. The red triangles show the stations of the INGV Italian National Seismic Network and the blue triangles those of the Nationa Accelerometric Network of the Dipartimento della Protezione Civile.

Intensity Shakemap

Intensity Shakemap *

This map shows the distribution of the istrumentally derived intensities. To this purpose, it is used a conversion relation between ground acceleration and velocity, and the Mercalli Modificata (MMI - Modified Mercalli Intensity) scale. In general, the Mercalli intensity scale relies on the effects that the ground shaking produces as reported by an observer.
Peak ground acceleration Shakemap

Peak ground acceleration Shakemap *

This map shows This map shows the distribution of peak ground acceleration expressed as per cent of the acceleration of gravity (i.e., g = 9.81 m/s²).
Peak velocity Shakemap

Peak velocity Shakemap *

This map shows the distribution of peak ground velocities expressed in cm/s.
Felt maps
Preliminary map of the earthquake effects from the web questionnaire

Preliminary map of the earthquake effects from the web 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
Bulletin
Rev1000
ML 3.1 2020-09-27
19:15:44
37.82 15.1 1 2021-02-26
14:56:07
Bollettino Sismico Italiano INGV 84967251
Reviewed
Rev200
ML 3.2 2020-09-27
19:15:43
37.83 15.1 0 2020-09-27
19:33:47
Sala Operativa INGV-OE (Catania) 83312861
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-09-27 19:15:44 ± 0.08
Latitude 37.82 ± 0.00
Longitude 15.10 ± 0.01
Depth (km) 1 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 84967251

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 588
Semi-minor axis of confidence ellipse (meter) 116
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 131
Circular confidence region, given by single value of horizontal uncertainty (meter) 590
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 46
Number of associated phases, regardless of their use for origin computation 54
Number of defining phases 54
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.38
Epicentral distance of station closest to the epicenter (degree) 0.03597
Epicentral distance of station farthest from the epicenter (degree) 1.87868
Number of stations at which the event was observed 45
Number of stations from which data was used for origin computation 45
Magnitudes information

ML:3.2

Field Value
Value 3.2
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 83312861
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2020-09-27 19:33:47

ML:3.1

Field Value
Value 3.1
Uncertainty 0.2
Num. used stations 34
Type of magnitude ML
Reference to an origin 84967251
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-12-28 10:51:09
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
MN.TIP.HHN. 2020-09-27T19:16:19.32 0.3 undecidable manual P 43 1.8787 38 0.14 42
IV.SERS.HNN. 2020-09-27T19:16:18.56 0.6 undecidable manual P 45 1.7393 38 1.31 19
IV.CAR1.HHN. 2020-09-27T19:16:14.47 0.6 undecidable manual P 31 1.6754 38 -1.91 14
IV.PLAC.HHE. 2020-09-27T19:16:08.84 1.0 undecidable manual P 59 1.2258 50 0.15 19
IV.SCIAR.HNE. 2020-09-27T19:16:06.61 1.0 undecidable manual P 277 1.0729 50 0.52 18
IV.JOPP.HNN. 2020-09-27T19:16:04.57 1.0 undecidable manual P 38 1 50 -0.26 20
IV.CSLB.HHZ. 2020-09-27T19:16:02.65 0.3 undecidable manual P 278 0.831 50 0.7 54
IV.HMDC.HNN. 2020-09-27T19:16:02.75 0.6 undecidable manual P 196 0.8957 50 -0.3 40
IV.SOI.EHN. 2020-09-27T19:16:01.04 0.6 undecidable manual P 71 0.7932 50 -0.26 42
IV.RAFF.HHZ. 2020-09-27T19:16:01.92 0.3 undecidable manual P 225 0.8355 50 -0.1 64
IV.PLLN.EHN. 2020-09-27T19:16:01.84 0.6 undecidable manual P 283 0.7752 50 0.86 34
IV.HAVL.HHN. 2020-09-27T19:16:01.38 0.6 undecidable manual P 179 0.8589 50 -1.04 31
MN.CEL.HNZ. 2020-09-27T19:16:00.44 0.3 undecidable manual P 55 0.7644 50 -0.37 62
IV.HVZN.HNZ. 2020-09-27T19:15:59.67 0.6 undecidable manual P 206 0.7096 50 -0.2 43
IV.SSY.HNN. 2020-09-27T19:15:58.82 0.6 undecidable manual P 182 0.661 50 -0.22 43
IV.IVUG.HHZ. 2020-09-27T19:15:57.60 0.6 undecidable manual P 351 0.5837 50 -0.11 45
IV.AGST.EHE. 2020-09-27T19:15:57.34 0.3 undecidable manual P 170 0.5711 50 -0.16 67
IV.CAGR.HHE. 2020-09-27T19:15:57.25 0.3 undecidable manual P 248 0.5144 91 0.83 55
IV.IVPL.HNE. 2020-09-27T19:15:57.59 0.3 undecidable manual P 350 0.5648 50 0.2 66
IV.IVGP.HHN. 2020-09-27T19:15:57.43 1.0 undecidable manual P 349 0.5873 50 -0.35 21
IV.MTTG.HHE. 2020-09-27T19:15:56.17 0.6 undecidable manual P 69 0.5072 91 -0.09 46
IV.HCRL.HHN. 2020-09-27T19:15:56.69 0.6 undecidable manual P 186 0.5387 50 -0.25 44
IV.MSRU.HHZ. 2020-09-27T19:15:56.56 0.6 undecidable manual P 36 0.5477 50 -0.54 41
IV.HLNI.HHE. 2020-09-27T19:15:55.40 1.0 undecidable manual P 201 0.5036 91 -0.8 19
IV.MSFR.HHZ. 2020-09-27T19:15:55.45 0.6 undecidable manual P 298 0.4551 91 0.34 44
IV.GALF.HHZ. 2020-09-27T19:15:55.39 0.3 undecidable manual P 256 0.4362 91 0.71 59
IV.MPNC.HHZ. 2020-09-27T19:15:53.30 0.3 undecidable manual P 31 0.3822 91 -0.2 69
IV.EPOZ.HHZ. 2020-09-27T19:15:52.10 0.6 undecidable manual S 155 0.1628 92 0.85 39
IV.MUCR.HHZ. 2020-09-27T19:15:51.53 0.3 undecidable manual P 321 0.286 91 0.18 71
IV.ESLN.HHZ. 2020-09-27T19:15:51.28 0.6 undecidable manual S 219 0.161 92 0.11 49
IV.AIO.HHZ. 2020-09-27T19:15:51.85 0.3 undecidable manual S 34 0.1844 92 -0.23 71
IV.ESML.HHZ. 2020-09-27T19:15:51.47 0.6 undecidable manual P 221 0.2662 91 0.56 43
IV.ECHR.HHE. 2020-09-27T19:15:50.11 0.3 undecidable manual P 228 0.1988 92 0.69 62
IV.NOV.HHZ. 2020-09-27T19:15:50.12 0.3 undecidable manual P 8 0.2104 92 0.45 68
IV.EMSG.HHZ. 2020-09-27T19:15:49.88 1.0 undecidable manual S 271 0.1196 93 0.3 24
IV.ENIC.HHZ. 2020-09-27T19:15:49.76 0.3 undecidable manual P 198 0.1979 92 0.37 69
IV.AIO.HHZ. 2020-09-27T19:15:49.28 0.3 undecidable manual P 34 0.1844 92 0.2 72
IV.EPOZ.HHZ. 2020-09-27T19:15:49.59 0.3 undecidable manual P 155 0.1628 92 0.99 55
IV.EPZF.HHZ. 2020-09-27T19:15:49.29 0.3 undecidable manual P 272 0.1925 92 0.02 74
IV.ESLN.HHZ. 2020-09-27T19:15:48.85 0.1 undecidable manual P 219 0.161 92 0.29 94
IV.ECPN.HHZ. 2020-09-27T19:15:48.03 1.0 undecidable manual P 230 0.1178 93 0.43 23
IV.EVRN.HHZ. 2020-09-27T19:15:48.21 0.3 undecidable manual P 168 0.1331 93 0.27 71
IV.EFIU.HHE. 2020-09-27T19:15:48.44 0.6 undecidable manual S 109 0.0917 94 -0.08 50
IV.ECTS.HHZ. 2020-09-27T19:15:47.30 0.3 undecidable manual S 14 0.0648 96 -0.2 73
IV.EFIU.HHE. 2020-09-27T19:15:47.21 0.1 undecidable manual P 109 0.0917 94 0.19 97
IV.EMSG.HHZ. 2020-09-27T19:15:47.59 0.1 undecidable manual P 271 0.1196 93 -0.05 100
IV.EMCN.HHZ. 2020-09-27T19:15:46.68 0.6 undecidable manual S 242 0.0603 96 -0.63 44
IV.ECNE.HHN. 2020-09-27T19:15:46.65 1.0 undecidable manual P 235 0.0953 94 -0.45 23
IV.EPIT.HHN. 2020-09-27T19:15:46.00 0.3 undecidable manual S 257 0.036 100 -0.38 71
IV.ECTS.HHZ. 2020-09-27T19:15:46.34 0.1 undecidable manual P 14 0.0648 96 -0.09 100
IV.EMCN.HHZ. 2020-09-27T19:15:45.52 0.1 undecidable manual P 242 0.0603 96 -0.8 81
IV.ECBD.HHN. 2020-09-27T19:15:45.41 0.6 undecidable manual S 196 0.0405 99 -1.16 35
IV.EPIT.HHN. 2020-09-27T19:15:45.12 0.3 undecidable manual P 257 0.036 100 -0.67 65
IV.ECBD.HHN. 2020-09-27T19:15:44.22 0.3 undecidable manual P 196 0.0405 99 -1.68 38
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ECTS.HHE. ML:0 0.021265735 0.64 AML other m 2020-09-27T19:15:49.93
IV.ECTS.HHN. ML:0 0.01356072 0.4608 AML other m 2020-09-27T19:15:49.84
IV.EMCN.HHE. ML:0 0.06260848 0.5632 AML other m 2020-09-27T19:15:50.05
IV.EMCN.HNE. ML:0 0.059806795 0.5632 AML other m 2020-09-27T19:15:50.05
IV.EMCN.HHN. ML:0 0.086610925 1.0368 AML other m 2020-09-27T19:15:50.06
IV.EMCN.HNN. ML:0 0.089022525 1.0368 AML other m 2020-09-27T19:15:50.06
IV.EMSG.HHE. ML:0 0.0347 0.66 AML other m 2020-09-27T19:15:54.00
IV.EVRN.HNE. ML:3.1 0.016779485 0.3712 AML other m 2020-09-27T19:15:55.16
IV.EMSG.HHN. ML:0 0.031314305 0.6656 AML other m 2020-09-27T19:15:55.09
IV.ESLN.HHN. ML:2.9 0.0089821415 0.9728 AML other m 2020-09-27T19:15:55.19
IV.EVRN.HHE. ML:3.2 0.017749575 0.3584 AML other m 2020-09-27T19:15:55.74
IV.EVRN.HHN. ML:3.1 0.01662688 0.3968 AML other m 2020-09-27T19:15:56.33
IV.EVRN.HNN. ML:3.1 0.014066511 0.3072 AML other m 2020-09-27T19:15:56.34
IV.ESLN.HHE. ML:3.1 0.011440585 0.7552 AML other m 2020-09-27T19:15:57.69
IV.EPZF.HHE. ML:3.2 0.01286426 1.0752 AML other m 2020-09-27T19:15:59.21
IV.EPZF.HHN. ML:3.3 0.016411025 0.6784 AML other m 2020-09-27T19:15:59.91
IV.EPOZ.HHN. ML:3.4 0.024391185 0.7296 AML other m 2020-09-27T19:16:00.74
IV.AIO.HHE. ML:3 0.009454328 1.2928 AML other m 2020-09-27T19:16:00.83
IV.EPOZ.HHE. ML:3.2 0.017156705 0.8064 AML other m 2020-09-27T19:16:00.96
IV.ENIC.HNN. ML:3.1 0.0094788965 0.4608 AML other m 2020-09-27T19:16:01.59
IV.AIO.HHN. ML:3 0.0075925695 1.3056 AML other m 2020-09-27T19:16:00.95
IV.NOV.HHE. ML:3.6 0.029891895 1.8304 AML other m 2020-09-27T19:16:02.07
IV.ENIC.HHN. ML:2.8 0.00530965 0.5376 AML other m 2020-09-27T19:16:01.98
IV.NOV.HHN. ML:3.4 0.01905168 1.0496 AML other m 2020-09-27T19:16:02.87
IV.ENIC.HNE. ML:3 0.007027854 0.9856 AML other m 2020-09-27T19:16:02.85
IV.ENIC.HHE. ML:2.7 0.003997467 0.5248 AML other m 2020-09-27T19:16:02.11
IV.ESML.HHN. ML:2.8 0.0035315505 1.1776 AML other m 2020-09-27T19:16:02.94
IV.MPNC.HHE. ML:3.2 0.0052078975 0.7424 AML other m 2020-09-27T19:16:04.49
IV.ESML.HHE. ML:2.8 0.003526283 0.6528 AML other m 2020-09-27T19:16:05.29
IV.MUCR.HHN. ML:3.1 0.0061561955 1.3312 AML other m 2020-09-27T19:16:07.74
IV.MUCR.HHE. ML:2.8 0.003128586 0.7424 AML other m 2020-09-27T19:16:07.77
IV.MPNC.HHN. ML:3.1 0.0040871615 1.6384 AML other m 2020-09-27T19:16:08.51
IV.GALF.HHE. ML:3.2 0.005008347 0.8192 AML other m 2020-09-27T19:16:14.72
IV.GALF.HNE. ML:2.3 0.0006144191 0.8192 AML other m 2020-09-27T19:16:14.73
IV.GALF.HHN. ML:3.2 0.004252201 0.9472 AML other m 2020-09-27T19:16:15.60
IV.GALF.HNN. ML:2.5 0.0008327392 0.8576 AML other m 2020-09-27T19:16:15.17
IV.MSRU.HHN. ML:2.9 0.0016783985 1.2416 AML other m 2020-09-27T19:16:16.84
IV.MSFR.HHE. ML:2.9 0.002014107 1.2672 AML other m 2020-09-27T19:16:19.22
IV.MSFR.HHN. ML:2.9 0.00233539 1.8176 AML other m 2020-09-27T19:16:18.37
IV.MSRU.HHE. ML:2.7 0.00112411065 1.1776 AML other m 2020-09-27T19:16:20.28
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Fault Plane solutions

Fault Plane solutions *

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 miniseed + resp format Download