Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.3 on date 20-09-2020 and time 05:00:58 (Italy) in region Tirreno Meridionale (MARE)

A magnitude ML 2.3 earthquake occured in region: Tirreno Meridionale (MARE), on

  • 20-09-2020 03:00:58 (UTC)
  • 20-09-2020 05:00:58 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.5860, 15.4670 at 177 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

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km N of Messina (238439 inhabitants)
55 Km N of Reggio di Calabria (183035 inhabitants)
86 Km SW of Lamezia Terme (70714 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 2020-09-20
03:00:58		 38.5858 15.4667 177 2021-02-26
14:55:56		 Bollettino Sismico Italiano INGV 83158631
Reviewed
Rev100 		ML 2.3 2020-09-20
03:00:58		 38.6002 15.4923 176 2020-09-20
03:14:44		 Sala Sismica INGV-Roma 83043271
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-09-20 03:00:58 ± 0.26
Latitude 38.5858 ± 0.0162
Longitude 15.4667 ± 0.0265
Depth (km) 177 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 83158631

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2323
Semi-minor axis of confidence ellipse (meter) 1486
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) 2320.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 114
Number of associated phases, regardless of their use for origin computation 38
Number of defining phases 36
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.62507
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 26
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 29
Type of magnitude ML
Reference to an origin 83158631
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-09-23 13:49:32

ML:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations 20
Type of magnitude ML
Reference to an origin 83043271
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-09-20 03:14:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MCRV.HHZ. 2020-09-20T03:02:06.05 3.0 undecidable manual Sn -3.18 0
IV.AGST.EHZ. 2020-09-20T03:01:49.57 3.0 undecidable manual Sn -2.87 0
MN.TIP.HHZ. 2020-09-20T03:01:49.73 0.6 undecidable manual S 59 129.5703 142 0.51 48
IV.SOI.EHZ. 2020-09-20T03:01:43.60 0.6 undecidable manual S 138 76.4679 155 0.38 55
IV.MTTG.HHZ. 2020-09-20T03:01:43.10 0.6 undecidable manual S 162 67.7766 158 0.63 52
IV.GMB.BHZ. 2020-09-20T03:01:42.00 0.6 undecidable manual S 146 55.9995 161 0.41 56
IV.IVPL.HHZ. 2020-09-20T03:01:41.40 0.6 undecidable manual S 241 48.2184 164 0.31 57
IV.MPNC.HHZ. 2020-09-20T03:01:41.50 0.6 undecidable manual S 192 49.7169 163 0.32 57
MN.CEL.HHZ. 2020-09-20T03:01:40.80 0.6 undecidable manual S 134 51.8037 163 -0.51 53
IV.MILZ.HHZ. 2020-09-20T03:01:40.40 0.6 undecidable manual S 210 40.4262 166 -0.26 59
IV.JOPP.HHZ. 2020-09-20T03:01:39.90 0.6 undecidable manual S 86 36.4413 168 -0.57 53
IV.MSRU.HHZ. 2020-09-20T03:01:39.80 0.6 undecidable manual S 174 35.9418 168 -0.64 52
IV.SIRI.HHE. 2020-09-20T03:01:31.90 0.3 undecidable manual P 11 180.3861 132 -0.28 62
IV.MGR.HHE. 2020-09-20T03:01:31.53 0.3 undecidable manual P 2 172.2942 133 0.09 65
IV.BULG.HHE. 2020-09-20T03:01:31.19 0.3 undecidable manual P 357 165.7119 135 0.34 64
MN.CUC.HHZ. 2020-09-20T03:01:30.08 1.0 undecidable manual P 11 159.0186 136 -0.18 23
IV.LADO.EHZ. 2020-09-20T03:01:29.46 0.1 negative manual P 59 151.8369 137 -0.18 95
IV.HLNI.HHZ. 2020-09-20T03:01:29.03 0.3 undecidable manual P 201 146.742 138 -0.19 74
MN.TIP.HHZ. 2020-09-20T03:01:28.07 0.1 negative manual P 59 129.5703 142 0.23 100
IV.SERS.HHZ. 2020-09-20T03:01:27.24 0.1 negative manual P 64 116.7942 145 0.35 100
IV.GRIS.EHE. 2020-09-20T03:01:27.90 0.3 undecidable manual P 14 132.3675 141 -0.16 76
IV.SPS2.HHZ. 2020-09-20T03:01:26.20 0.3 undecidable manual P 44 108.5136 147 -0.11 80
XK.ALB1.HHZ. 2020-09-20T03:01:26.87 0.3 undecidable manual P 63 109.113 147 0.51 73
IV.CET2.HHZ. 2020-09-20T03:01:26.59 0.3 undecidable manual P 22 112.6983 146 -0.01 81
IV.CAR1.HHZ. 2020-09-20T03:01:25.25 0.3 undecidable manual P 41 98.0241 149 -0.37 77
IV.PLAC.HHZ. 2020-09-20T03:01:25.01 0.3 undecidable manual P 100 85.6476 153 0.13 83
IV.SOI.EHZ. 2020-09-20T03:01:24.38 0.3 undecidable manual P 138 76.4679 155 0 87
IV.MTTG.HHZ. 2020-09-20T03:01:24.06 0.3 undecidable manual P 162 67.7766 158 0.12 86
IV.NOV.HHZ. 2020-09-20T03:01:24.78 0.3 undecidable manual P 205 68.2761 158 0.81 69
XK.GIZZ.HHZ. 2020-09-20T03:01:24.10 0.3 undecidable manual P 55 77.5668 155 -0.33 81
IV.IVPL.HHZ. 2020-09-20T03:01:23.10 0.3 undecidable manual P 241 48.2184 164 -0.05 92
IV.IVUG.HHE. 2020-09-20T03:01:23.94 0.3 undecidable manual P 243 46.7199 164 0.84 70
IV.MPNC.HHZ. 2020-09-20T03:01:23.03 0.3 undecidable manual P 192 49.7169 163 -0.17 89
IV.GMB.BHZ. 2020-09-20T03:01:23.45 0.3 undecidable manual P 146 55.9995 161 0.01 90
MN.CEL.HHZ. 2020-09-20T03:01:22.95 0.3 undecidable manual P 134 51.8037 163 -0.32 85
IV.MILZ.HHZ. 2020-09-20T03:01:22.36 0.3 undecidable manual P 210 40.4262 166 -0.54 84
IV.JOPP.HHZ. 2020-09-20T03:01:22.50 0.3 undecidable manual P 86 36.4413 168 -0.29 88
IV.MSRU.HHZ. 2020-09-20T03:01:22.15 0.3 undecidable manual P 174 35.9418 168 -0.62 81
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.JOPP.HHE. ML:2.3 0.00008117085 0.2192 AML other m 2020-09-20T03:01:40.72
IV.JOPP.HHN. ML:2.3 0.00007998559999999999 0.2784 AML other m 2020-09-20T03:01:40.69
IV.MILZ.HHE. ML:2.7 0.00018537779999999997 0.5792 AML other m 2020-09-20T03:01:40.86
MN.CEL.HHE. ML:2.1 0.000037682015 0.2416 AML other m 2020-09-20T03:01:41.88
IV.MILZ.HHN. ML:2.5 0.000122567665 0.5584 AML other m 2020-09-20T03:01:42.08
IV.MPNC.HHN. ML:2.3 0.000072038955 0.4608 AML other m 2020-09-20T03:01:42.57
IV.GMB.BHE. ML:2.8 0.00021941975 0.44 AML other m 2020-09-20T03:01:42.75
IV.MSRU.HHN. ML:2.3 0.00007393943 0.3408 AML other m 2020-09-20T03:01:42.92
IV.MSRU.HHE. ML:2.5 0.00010295534500000001 0.3408 AML other m 2020-09-20T03:01:42.72
IV.GMB.BHN. ML:2.6 0.000156711 0.44 AML other m 2020-09-20T03:01:43.47
IV.PLAC.HHN. ML:2.0 0.000037254905 0.44 AML other m 2020-09-20T03:01:44.60
IV.CAR1.HHN. ML:2.6 0.00010912215 0.3408 AML other m 2020-09-20T03:01:45.40
MN.CEL.HHN. ML:2.0 0.000033578095 0.4192 AML other m 2020-09-20T03:01:45.25
IV.SOI.EHE. ML:1.9 0.000023496629999999997 0.4784 AML other m 2020-09-20T03:01:46.40
IV.CAR1.HHE. ML:2.6 0.00010431640000000001 0.3408 AML other m 2020-09-20T03:01:46.26
IV.CAR1.HNE. ML:2.7 0.0001560618 0.44 AML other m 2020-09-20T03:01:46.26
IV.NOV.HHN. ML:2.8 0.00022338955 0.7392 AML other m 2020-09-20T03:01:46.42
IV.SPS2.HHN. ML:2.0 0.000031655675 1.56 AML other m 2020-09-20T03:01:46.15
IV.NOV.HHE. ML:2.8 0.00019055935000000001 0.64 AML other m 2020-09-20T03:01:47.15
IV.CET2.HHN. ML:2.8 0.00015818084999999997 0.4608 AML other m 2020-09-20T03:01:47.73
IV.SPS2.HHE. ML:2.2 0.00003771813 0.24 AML other m 2020-09-20T03:01:47.83
IV.CET2.HHE. ML:2.5 0.00008333526499999999 1.56 AML other m 2020-09-20T03:01:47.97
IV.MTTG.HHN. ML:2.2 0.000053555685000000005 0.76 AML other m 2020-09-20T03:01:48.29
IV.SERS.HHE. ML:2.0 0.000027443189999999998 1.6192 AML other m 2020-09-20T03:01:48.96
IV.SERS.HHN. ML:2.2 0.00003997183 0.44 AML other m 2020-09-20T03:01:49.80
IV.MPNC.HHE. ML:2.2 0.000059124154999999996 1.4192 AML other m 2020-09-20T03:01:50.29
IV.IVPL.HHN. ML:2.3 0.00007696101 1.08 AML other m 2020-09-20T03:01:50.30
MN.TIP.HHN. ML:2.0 0.000022659600000000002 1.1392 AML other m 2020-09-20T03:01:50.39
MN.TIP.HHE. ML:1.9 0.000022032864999999998 0.9408 AML other m 2020-09-20T03:01:51.22
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