Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 04-04-2020 and time 15:28:56 (UTC) in region 3 km S Montalbano Elicona (ME)

A magnitude ML 1.7 earthquake occured in region: 3 km S Montalbano Elicona (ME), on

  • 04-04-2020 15:28:56 (UTC)
  • 04-04-2020 17:28:56 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.9970, 15.0120 at 10 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
Montalbano Elicona ME 3 2287 2287
Roccella Valdemone ME 7 666 2953
San Piero Patti ME 7 2915 5868
Basicò ME 9 612 6480
Floresta ME 9 485 6965
Malvagna ME 9 733 7698
Tripi ME 10 873 8571
Santa Domenica Vittoria ME 10 980 9551
Novara di Sicilia ME 11 1337 10888
Raccuja ME 11 1041 11929
Moio Alcantara ME 11 717 12646
Librizzi ME 12 1660 14306
Ucria ME 13 1058 15364
Fondachelli-Fantina ME 14 1019 16383
Randazzo CT 14 10900 27283
Falcone ME 15 2808 30091
Oliveri ME 15 2181 32272
Mazzarrà Sant'Andrea ME 15 1531 33803
Francavilla di Sicilia ME 15 3945 37748
Furnari ME 16 3784 41532
Castiglione di Sicilia CT 16 3215 44747
Montagnareale ME 16 1615 46362
Patti ME 17 13431 59793
Tortorici ME 17 6435 66228
Sinagra ME 17 2705 68933
Sant'Angelo di Brolo ME 17 3090 72023
Motta Camastra ME 18 845 72868
Rodì Milici ME 19 2056 74924

Municipalities with at least 50000 inhabitants

An earthquake occurred to
45 Km N of Acireale (52622 inhabitants)
53 Km W of Messina (238439 inhabitants)
55 Km N of Catania (314555 inhabitants)
57 Km W of Reggio di Calabria (183035 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 1.7 2020-04-04
15:28:56		 37.9972 15.0122 10 2020-07-18
21:08:36		 Bollettino Sismico Italiano INGV 79099181
Reviewed
Rev100 		ML 1.7 2020-04-04
15:28:56		 37.9972 15.0213 8 2020-04-04
15:42:03		 Sala Sismica INGV-Roma 77880521
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-04-04 15:28:56 ± 0.15
Latitude 37.9972 ± 0.0099
Longitude 15.0122 ± 0.0103
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 79099181

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 894
Semi-minor axis of confidence ellipse (meter) 795
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 197
Circular confidence region, given by single value of horizontal uncertainty (meter) 890.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 63
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.46
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.60974
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 77880521
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-04-04 15:42:03

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 79099181
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-05-13 10:50:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MTTG.HHE. 2020-04-04T15:29:07.02 3.0 undecidable manual P -0.24 0
IV.SICLA.EHE. 2020-04-04T15:29:07.73 0.3 undecidable manual P 65 67.6767 50 -0.27 65
IV.GALF.HHZ. 2020-04-04T15:29:06.08 0.6 undecidable manual P 231 50.3163 50 0.76 38
IV.MSRU.HHE. 2020-04-04T15:29:06.18 0.3 undecidable manual P 55 52.4031 50 0.53 62
IV.IVPL.HHE. 2020-04-04T15:29:05.17 0.3 undecidable manual P 356 42.1245 50 1.11 50
IV.IVGP.HHE. 2020-04-04T15:29:05.03 3.0 undecidable manual P 0.03 0
IV.EMSG.HHZ. 2020-04-04T15:29:04.01 0.3 undecidable manual S 196 20.2686 116 0.12 73
IV.EPIT.HHZ. 2020-04-04T15:29:04.55 0.6 undecidable manual S 169 20.9679 116 0.45 45
IV.AIO.HHZ. 2020-04-04T15:29:03.83 0.3 undecidable manual S 98 19.5693 117 0.18 72
IV.MSFR.HHZ. 2020-04-04T15:29:02.87 0.1 undecidable manual P 276 36.9297 50 -0.39 89
IV.ECTS.HHZ. 2020-04-04T15:29:02.22 0.3 undecidable manual S 143 15.9729 122 -0.34 70
IV.MILZ.HHE. 2020-04-04T15:29:01.36 0.3 undecidable manual P 32 35.9418 50 -1.74 35
IV.MUCR.HHZ. 2020-04-04T15:29:01.78 0.1 undecidable manual S 293 13.0758 128 0.02 100
IV.EMCN.HNZ. 2020-04-04T15:29:01.41 0.3 undecidable manual P 175 22.9548 114 0.37 69
IV.EPIT.HHZ. 2020-04-04T15:29:00.78 0.3 undecidable manual P 169 20.9679 116 0.1 73
IV.EPZF.HHZ. 2020-04-04T15:29:00.33 0.3 undecidable manual P 215 23.5542 113 -0.82 59
IV.AIO.HHZ. 2020-04-04T15:29:00.39 0.1 positive manual P 98 19.5693 117 -0.03 99
IV.EMSG.HHZ. 2020-04-04T15:29:00.52 0.1 negative manual P 196 20.2686 116 -0.04 98
IV.MUCR.HHZ. 2020-04-04T15:28:59.45 0.1 positive manual P 293 13.0758 128 0.12 98
IV.ECTS.HHZ. 2020-04-04T15:28:59.64 0.1 positive manual P 143 15.9729 122 -0.16 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MUCR.HHE. ML:1.6 0.0004569399 1.7184 AML other m 2020-04-04T15:29:01.05
IV.ECTS.HHN. ML:1.7 0.0005276098999999999 0.1792 AML other m 2020-04-04T15:29:02.29
IV.ECTS.HHE. ML:1.5 0.00025952835000000004 0.1664 AML other m 2020-04-04T15:29:02.28
IV.MUCR.HHN. ML:1.6 0.00042733085000000004 0.3584 AML other m 2020-04-04T15:29:02.32
IV.EMSG.HHN. ML:1.7 0.00039915645 0.5408 AML other m 2020-04-04T15:29:04.09
IV.AIO.HHE. ML:1.6 0.0002948984 0.1536 AML other m 2020-04-04T15:29:05.17
IV.EMSG.HHE. ML:2.0 0.0006741186999999999 0.4992 AML other m 2020-04-04T15:29:05.34
IV.AIO.HHN. ML:1.6 0.00030441255 1.7824 AML other m 2020-04-04T15:29:05.04
IV.EPZF.HHN. ML:1.9 0.0004808802 1.5648 AML other m 2020-04-04T15:29:07.00
IV.EPZF.HHE. ML:1.9 0.0005740421 0.2688 AML other m 2020-04-04T15:29:07.91
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