Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.3 on date 01-08-2020 and time 17:30:56 (Italy) in region Costa Siciliana nord orientale (Messina)

A magnitude ML 2.3 earthquake occured in region: Costa Siciliana nord orientale (Messina), on

  • 01-08-2020 15:30:56 (UTC)
  • 01-08-2020 17:30:56 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.2900, 14.7660 at 130 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
Capo d'Orlando ME 14 13254 13254
Brolo ME 16 5783 19037
Piraino ME 17 3962 22999
Gioiosa Marea ME 17 7074 30073
Naso ME 19 3813 33886

Municipalities with at least 50000 inhabitants

An earthquake occurred to
70 Km W of Messina (238439 inhabitants)
79 Km W of Reggio di Calabria (183035 inhabitants)
83 Km NW of Acireale (52622 inhabitants)
92 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 2.3 2020-08-01
15:30:56		 38.2897 14.7658 131 2020-11-19
12:36:57		 Bollettino Sismico Italiano INGV 81963531
Reviewed
Rev100 		ML 2.3 2020-08-01
15:30:56		 38.2488 14.7153 131 2020-08-01
15:39:36		 Sala Sismica INGV-Roma 81550791
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-08-01 15:30:56 ± 0.32
Latitude 38.2897 ± 0.0351
Longitude 14.7658 ± 0.0218
Depth (km) 131 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 81963531

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 4011
Semi-minor axis of confidence ellipse (meter) 435
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 167
Circular confidence region, given by single value of horizontal uncertainty (meter) 4010.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 116
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.18886
Epicentral distance of station farthest from the epicenter (degree) 1.29682
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations 15
Type of magnitude ML
Reference to an origin 81963531
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-08-14 08:56:15

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 22
Type of magnitude ML
Reference to an origin 81550791
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-08-01 15:39:36
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SOI.EHZ. 2020-08-01T15:31:37.30 0.6 undecidable manual S 102 114.8961 135 -0.57 50
MN.CEL.HHZ. 2020-08-01T15:31:34.66 0.6 undecidable manual S 92 98.3238 140 -0.8 47
IV.PLLN.EHE. 2020-08-01T15:31:31.25 0.6 undecidable manual S 239 63.5919 152 -0.01 63
IV.MSRU.HHZ. 2020-08-01T15:31:30.79 0.6 undecidable manual S 92 64.6908 152 -0.59 54
IV.AIO.HHZ. 2020-08-01T15:31:30.59 0.6 undecidable manual S 131 53.9016 156 0.24 61
IV.NOV.HHZ. 2020-08-01T15:31:30.10 0.6 undecidable manual S 132 43.5231 160 0.6 57
IV.MUCR.HHZ. 2020-08-01T15:31:29.25 0.6 undecidable manual S 161 28.9488 167 0.65 57
IV.IVPL.HHZ. 2020-08-01T15:31:28.54 0.6 undecidable manual S 63 20.9679 170 0.28 65
IV.MSFR.HHE. 2020-08-01T15:31:27.96 0.6 undecidable manual S 208 32.1456 165 -0.81 53
IV.CLTA.HHN. 2020-08-01T15:31:23.32 0.3 undecidable manual P 210 143.9448 129 0.05 79
IV.SOI.EHZ. 2020-08-01T15:31:20.64 0.3 undecidable manual P 102 114.8961 135 0.07 84
IV.JOPP.HHZ. 2020-08-01T15:31:19.97 0.6 undecidable manual P 70 103.4187 139 0.37 54
MN.CEL.HHZ. 2020-08-01T15:31:19.50 0.6 undecidable manual P 92 98.3238 140 0.32 55
IV.MTTG.HHE. 2020-08-01T15:31:18.98 0.6 undecidable manual P 111 87.4458 143 0.63 52
IV.GALF.HHZ. 2020-08-01T15:31:17.36 0.6 undecidable manual P 195 66.5778 151 0.42 57
IV.CSLB.HHZ. 2020-08-01T15:31:16.90 0.3 undecidable manual P 238 73.0713 148 -0.45 85
IV.PLLN.EHE. 2020-08-01T15:31:16.28 0.6 undecidable manual P 239 63.5919 152 -0.48 57
IV.MSRU.HHZ. 2020-08-01T15:31:16.26 0.3 undecidable manual P 92 64.6908 152 -0.56 83
IV.AIO.HHZ. 2020-08-01T15:31:16.30 0.6 undecidable manual P 131 53.9016 156 0.07 63
IV.IACL.HHE. 2020-08-01T15:31:16.29 0.6 undecidable manual P 307 44.7219 160 0.49 59
IV.NOV.HHZ. 2020-08-01T15:31:16.08 0.3 undecidable manual P 132 43.5231 160 0.34 92
IV.MSFR.HHE. 2020-08-01T15:31:15.30 0.3 undecidable manual P 208 32.1456 165 -0.02 100
IV.IVPL.HHZ. 2020-08-01T15:31:15.05 0.6 undecidable manual P 63 20.9679 170 0.03 68
IV.MUCR.HHZ. 2020-08-01T15:31:14.94 0.6 undecidable manual P 161 28.9488 167 -0.28 64
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MUCR.HHE. ML:1.9 0.0000565074 0.448 AML other m 2020-08-01T15:31:30.80
IV.MUCR.HHN. ML:2.1 0.00007655240499999999 0.4864 AML other m 2020-08-01T15:31:32.59
IV.NOV.HHN. ML:2.6 0.00023716225 0.6784 AML other m 2020-08-01T15:31:31.32
IV.MSRU.HHE. ML:2.2 0.00008720111 0.384 AML other m 2020-08-01T15:31:31.22
IV.MSRU.HHN. ML:2.5 0.00015370895 0.3712 AML other m 2020-08-01T15:31:31.10
IV.AIO.HHE. ML:1.9 0.000046686095 0.3712 AML other m 2020-08-01T15:31:33.14
IV.AIO.HHN. ML:1.9 0.000049853785 0.4736 AML other m 2020-08-01T15:31:32.99
MN.CEL.HNE. ML:2.4 0.000109175355 0.5376 AML other m 2020-08-01T15:31:35.19
MN.CEL.HNN. ML:2.4 0.00012191776000000002 0.3456 AML other m 2020-08-01T15:31:35.42
MN.CEL.HHN. ML:2.4 0.0001161723 0.3456 AML other m 2020-08-01T15:31:35.24
MN.CEL.HHE. ML:2.3 0.00008832791 0.4096 AML other m 2020-08-01T15:31:37.09
IV.JOPP.HHN. ML:2.3 0.00008286706499999999 0.256 AML other m 2020-08-01T15:31:37.19
IV.JOPP.HHE. ML:2.2 0.000058652515 0.256 AML other m 2020-08-01T15:31:36.80
IV.SOI.EHN. ML:2.2 0.0000682734 0.4608 AML other m 2020-08-01T15:31:37.47
IV.SOI.EHE. ML:2.5 0.0001204348 0.5376 AML other m 2020-08-01T15:31:37.68
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
Waveforms Seismic signals in miniseed + resp format Download