Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 20-09-2020 and time 03:13:13 (Italy) in region Costa Siciliana nord orientale (Messina)

A magnitude ML 1.7 earthquake occured in region: Costa Siciliana nord orientale (Messina), on

  • 20-09-2020 01:13:13 (UTC)
  • 20-09-2020 03:13:13 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.2070, 14.8980 at 32 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Gioiosa Marea ME 4 7074 7074
Piraino ME 6 3962 11036
Brolo ME 8 5783 16819
Montagnareale ME 9 1615 18434
Patti ME 9 13431 31865
Sant'Angelo di Brolo ME 10 3090 34955
Ficarra ME 12 1469 36424
Librizzi ME 13 1660 38084
Naso ME 13 3813 41897
Sinagra ME 14 2705 44602
Capo d'Orlando ME 14 13254 57856
Castell'Umberto ME 16 3128 60984
Oliveri ME 17 2181 63165
Raccuja ME 17 1041 64206
Ucria ME 18 1058 65264
San Piero Patti ME 18 2915 68179
San Salvatore di Fitalia ME 18 1319 69498
Mirto ME 19 974 70472
Falcone ME 19 2808 73280
Capri Leone ME 20 4515 77795
Frazzanò ME 20 711 78506

Municipalities with at least 50000 inhabitants

An earthquake occurred to
58 Km W of Messina (238439 inhabitants)
66 Km W of Reggio di Calabria (183035 inhabitants)
70 Km NW of Acireale (52622 inhabitants)
80 Km N of Catania (314555 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 2020-09-20
01:13:13		 38.2072 14.8983 32 2021-02-26
14:55:56		 Bollettino Sismico Italiano INGV 83157791
Reviewed
Rev100 		ML 1.8 2020-09-20
01:13:13		 38.1997 14.8938 34 2020-09-20
01:22:34		 Sala Sismica INGV-Roma 83041461
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-09-20 01:13:13 ± 0.2
Latitude 38.2072 ± 0.0063
Longitude 14.8983 ± 0.0114
Depth (km) 32 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 83157791

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 958
Semi-minor axis of confidence ellipse (meter) 247
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 77
Circular confidence region, given by single value of horizontal uncertainty (meter) 960.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 74
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 28
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.16548
Epicentral distance of station farthest from the epicenter (degree) 0.87054
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 18
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 15
Type of magnitude ML
Reference to an origin 83157791
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-09-23 13:30:26

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 83041461
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-09-20 01:22:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.JOPP.HHZ. 2020-09-20T01:13:29.19 1.0 undecidable manual P 62 96.6255 104 -0.79 18
IV.MPNC.HHZ. 2020-09-20T01:13:28.00 0.6 undecidable manual S 100 40.2264 124 -0.22 47
IV.ECTS.HHZ. 2020-09-20T01:13:28.70 0.6 undecidable manual S 152 41.0256 123 0.31 46
MN.CEL.HNZ. 2020-09-20T01:13:27.66 0.3 undecidable manual P 86 86.9463 105 -0.88 52
IV.AIO.HHZ. 2020-09-20T01:13:27.70 0.6 undecidable manual S 132 39.2274 124 -0.3 46
IV.MTTG.HHE. 2020-09-20T01:13:26.96 0.3 undecidable manual P 108 73.5708 108 0.4 64
IV.MSFR.HHZ. 2020-09-20T01:13:26.20 0.6 undecidable manual S 234 32.9448 130 -0.46 46
IV.NOV.HHZ. 2020-09-20T01:13:25.90 0.3 undecidable manual S 134 28.749 134 0.07 74
IV.IVGP.HHZ. 2020-09-20T01:13:24.70 0.6 undecidable manual S 14 21.7671 142 0.13 50
IV.IVPL.HHZ. 2020-09-20T01:13:24.70 0.6 undecidable manual S 21 20.0688 145 0.4 47
IV.IVUG.HHZ. 2020-09-20T01:13:24.70 0.3 undecidable manual S 20 22.2555 142 0.04 76
IV.ILOS.HHZ. 2020-09-20T01:13:24.96 0.6 undecidable manual S 9 26.8509 136 -0.5 45
IV.MSRU.HHZ. 2020-09-20T01:13:23.40 0.1 undecidable manual P 83 53.502 116 -0.3 90
IV.MUCR.HHZ. 2020-09-20T01:13:23.50 0.3 undecidable manual S 187 18.3705 147 -0.55 68
IV.IACL.HHZ. 2020-09-20T01:13:23.94 0.3 undecidable manual P 308 59.496 113 -0.6 63
IV.EPZF.HHZ. 2020-09-20T01:13:22.73 0.3 undecidable manual P 185 42.624 122 0.5 65
IV.ECTS.HHZ. 2020-09-20T01:13:22.29 0.3 undecidable manual P 152 41.0256 123 0.28 69
IV.IFIL.HHZ. 2020-09-20T01:13:22.77 0.3 undecidable manual P 325 48.5181 118 -0.25 69
IV.ILOS.HHZ. 2020-09-20T01:13:21.04 0.3 undecidable manual P 9 26.8509 136 0.72 62
IV.MSFR.HHZ. 2020-09-20T01:13:21.06 0.3 undecidable manual P 234 32.9448 130 0.05 73
IV.AIO.HHZ. 2020-09-20T01:13:21.92 0.1 undecidable manual P 132 39.2274 124 0.13 96
IV.MPNC.HHZ. 2020-09-20T01:13:21.93 0.1 positive manual P 100 40.2264 124 0.02 98
IV.MILZ.HHZ. 2020-09-20T01:13:20.57 0.1 positive manual P 76 29.8479 133 -0.08 98
IV.IVPL.HHZ. 2020-09-20T01:13:20.05 0.1 positive manual P 21 20.0688 145 0.4 94
IV.IVGP.HHZ. 2020-09-20T01:13:20.06 0.1 negative manual P 14 21.7671 142 0.26 96
IV.NOV.HHZ. 2020-09-20T01:13:20.46 0.1 undecidable manual P 134 28.749 134 -0.07 99
IV.IVUG.HHZ. 2020-09-20T01:13:20.08 0.1 positive manual P 20 22.2555 142 0.22 97
IV.MUCR.HHZ. 2020-09-20T01:13:19.37 0.1 undecidable manual P 187 18.3705 147 -0.13 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MILZ.HHE. ML:1.8 0.00019998585 0.36 AML other m 2020-09-20T01:13:27.53
IV.MUCR.HHN. ML:1.9 0.00030940635 0.3 AML other m 2020-09-20T01:13:23.82
IV.IVPL.HHN. ML:2.1 0.00044550564999999996 0.16 AML other m 2020-09-20T01:13:25.13
IV.IVPL.HHE. ML:2.0 0.00038454434999999997 0.22 AML other m 2020-09-20T01:13:25.10
IV.MILZ.HHN. ML:1.6 0.000125 0.64 AML other m 2020-09-20T01:13:26.62
IV.AIO.HHN. ML:1.9 0.00021240035000000002 0.3 AML other m 2020-09-20T01:13:28.36
IV.MPNC.HHN. ML:1.7 0.00013515035 0.26 AML other m 2020-09-20T01:13:28.51
IV.MPNC.HHE. ML:1.7 0.000132120325 0.3 AML other m 2020-09-20T01:13:28.94
IV.AIO.HHE. ML:1.4 0.00006611892999999999 0.2 AML other m 2020-09-20T01:13:28.95
IV.IFIL.HHE. ML:2.3 0.00043053875 0.2 AML other m 2020-09-20T01:13:30.75
IV.MSRU.HHN. ML:1.3 0.00003892617 0.28 AML other m 2020-09-20T01:13:31.41
IV.IFIL.HHN. ML:1.9 0.00018446945 0.18 AML other m 2020-09-20T01:13:31.81
IV.MSRU.HHE. ML:1.2 0.000034998970000000006 0.28 AML other m 2020-09-20T01:13:32.50
IV.IACL.HHE. ML:1.6 0.000066040865 0.26 AML other m 2020-09-20T01:13:32.55
IV.IACL.HHN. ML:1.4 0.00005027351500000001 0.16 AML other m 2020-09-20T01:13:37.61
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