Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 07-09-2020 and time 15:23:31 (UTC) in region Tirreno Meridionale (MARE)

A magnitude ML 2.1 earthquake occured in region: Tirreno Meridionale (MARE), on

  • 07-09-2020 15:23:31 (UTC)
  • 07-09-2020 17:23:31 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.4190, 15.2980 at 129 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
34 Km NW of Messina (238439 inhabitants)
46 Km NW of Reggio di Calabria (183035 inhabitants)
90 Km N of Acireale (52622 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 2.1 2020-09-07
15:23:31		 38.419 15.298 129 2021-02-26
14:56:18		 Bollettino Sismico Italiano INGV 86946381
Reviewed
Rev100 		ML 2.1 2020-09-07
15:23:31		 38.4267 15.2975 129 2020-09-07
15:39:44		 Sala Sismica INGV-Roma 82713691
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-09-07 15:23:31 ± 0.23
Latitude 38.4190 ± 0.0216
Longitude 15.2980 ± 0.0207
Depth (km) 129 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 86946381

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2695
Semi-minor axis of confidence ellipse (meter) 831
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 147
Circular confidence region, given by single value of horizontal uncertainty (meter) 2700.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 135
Number of associated phases, regardless of their use for origin computation 33
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.24736
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 31
Type of magnitude ML
Reference to an origin 86946381
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-02-08 17:46:11

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 31
Type of magnitude ML
Reference to an origin 82713691
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-09-07 15:39:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LAV9.HNZ. 2020-09-07T15:25:31.48 3.0 undecidable manual Sg 16.879999 0
IV.VCEL.EHZ. 2020-09-07T15:25:20.83 3.0 undecidable manual Sn -1.12 0
IV.IMOL.HNZ. 2020-09-07T15:25:11.74 3.0 positive manual Pn 5.95 0
IV.MAGO.CHZ. 2020-09-07T15:24:57.69 3.0 undecidable manual Pn -1.04 0
IV.SGO.HHZ. 2020-09-07T15:24:42.80 3.0 undecidable manual Sg 6.94 0
IV.CMPR.HHZ. 2020-09-07T15:24:33.81 3.0 undecidable manual Sg 3.25 0
IV.VULT.HHZ. 2020-09-07T15:24:24.72 3.0 undecidable manual Pg 11.89 0
IV.RNI2.HHZ. 2020-09-07T15:24:22.14 3.0 positive manual Pn -1.76 0
IV.MUCR.HHZ. 2020-09-07T15:24:05.06 0.6 undecidable manual S 222 55.6998 155 0.37 44
MN.CEL.HHZ. 2020-09-07T15:24:04.48 0.6 undecidable manual S 109 54.8007 155 -0.12 46
IV.AIO.HHZ. 2020-09-07T15:24:04.40 0.6 undecidable manual S 187 50.0166 157 0.22 46
IV.JOPP.HHZ. 2020-09-07T15:24:04.22 0.6 undecidable manual S 68 55.1004 155 -0.41 42
IV.CMPR.HHZ. 2020-09-07T15:24:04.86 3.0 positive manual Pn 0.15 0
IV.IVPL.HHZ. 2020-09-07T15:24:03.16 0.6 undecidable manual S 260 28.0497 167 0.45 46
IV.MPNC.HHZ. 2020-09-07T15:24:02.95 0.6 undecidable manual S 171 30.6471 166 0.11 49
IV.MILZ.HHZ. 2020-09-07T15:24:01.95 0.3 undecidable manual S 200 17.3715 172 -0.33 71
IV.SERS.HHZ. 2020-09-07T15:23:57.33 0.1 negative manual P 60 138.4614 129 0.22 78
XK.SELL.HHZ. 2020-09-07T15:23:56.72 0.3 undecidable manual P 61 131.0688 131 0.31 58
IV.HLNI.HHZ. 2020-09-07T15:23:55.28 0.1 positive manual P 198 124.4865 133 -0.51 77
IV.CAR1.HHZ. 2020-09-07T15:23:55.44 0.3 undecidable manual P 40 121.6893 133 -0.1 61
IV.PLAC.HHZ. 2020-09-07T15:23:53.64 0.1 negative manual P 88 99.123 139 0.04 87
IV.FERC.HNE. 2020-09-07T15:23:52.24 0.3 undecidable manual P 87 72.2721 148 0.62 60
IV.SOI.EHZ. 2020-09-07T15:23:51.80 0.3 undecidable manual P 120 76.2681 147 -0.09 68
IV.JOPP.HHZ. 2020-09-07T15:23:50.29 0.3 undecidable manual P 68 55.1004 155 -0.32 67
MN.CEL.HHZ. 2020-09-07T15:23:50.31 0.3 undecidable manual P 109 54.8007 155 -0.28 68
IV.AIO.HHZ. 2020-09-07T15:23:50.80 0.3 undecidable manual P 187 50.0166 157 0.45 65
IV.MUCR.HHZ. 2020-09-07T15:23:50.43 0.1 positive manual P 222 55.6998 155 -0.21 93
IV.MTTG.HHZ. 2020-09-07T15:23:50.95 0.3 undecidable manual P 143 57.8976 154 0.19 68
IV.NOV.HHZ. 2020-09-07T15:23:50.52 0.3 undecidable manual P 198 45.621 159 0.37 67
IV.IVUG.HHZ. 2020-09-07T15:23:49.61 0.3 undecidable manual P 265 27.2505 167 0.13 73
IV.IVPL.HHZ. 2020-09-07T15:23:49.49 0.1 positive manual P 260 28.0497 167 -0.01 100
IV.MPNC.HHZ. 2020-09-07T15:23:49.41 0.1 positive manual P 171 30.6471 166 -0.17 97
IV.MILZ.HHZ. 2020-09-07T15:23:48.88 0.1 positive manual P 200 17.3715 172 -0.37 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MILZ.HHN. ML:2.5 0.00019446355 0.3584 AML other m 2020-09-07T15:24:02.39
IV.MILZ.HHE. ML:2.8 0.00042705464999999996 0.4096 AML other m 2020-09-07T15:24:02.51
IV.MPNC.HHE. ML:2.1 0.00008240211 0.2944 AML other m 2020-09-07T15:24:04.56
IV.JOPP.HHN. ML:2.0 0.000065727535 0.32 AML other m 2020-09-07T15:24:05.29
IV.JOPP.HHE. ML:1.9 0.00004898357 0.256 AML other m 2020-09-07T15:24:05.95
IV.MPNC.HHN. ML:2.3 0.0001367589 0.4352 AML other m 2020-09-07T15:24:06.18
MN.CEL.HNN. ML:2.2 0.000090422665 1.2832 AML other m 2020-09-07T15:24:06.05
IV.IVPL.HHN. ML:2.5 0.00019211610000000002 0.768 AML other m 2020-09-07T15:24:06.36
IV.AIO.HHE. ML:2.1 0.00007351408000000001 0.448 AML other m 2020-09-07T15:24:07.23
MN.CEL.HHN. ML:2.2 0.00008619888000000001 0.2688 AML other m 2020-09-07T15:24:07.35
IV.NOV.HHN. ML:2.6 0.0002232165 0.4608 AML other m 2020-09-07T15:24:07.49
IV.NOV.HHE. ML:2.6 0.0002724987 0.3968 AML other m 2020-09-07T15:24:07.69
IV.AIO.HHN. ML:2.0 0.000063353575 0.2176 AML other m 2020-09-07T15:24:07.61
IV.MTTG.HHE. ML:2.1 0.000066133745 0.6784 AML other m 2020-09-07T15:24:07.51
IV.MUCR.HHE. ML:1.7 0.000029418607 0.512 AML other m 2020-09-07T15:24:08.17
MN.CEL.HNE. ML:2.1 0.00007596715 0.4224 AML other m 2020-09-07T15:24:08.87
MN.CEL.HHE. ML:2.1 0.00008112569 0.4224 AML other m 2020-09-07T15:24:08.66
IV.SOI.EHN. ML:1.9 0.00004393069 1.6032 AML other m 2020-09-07T15:24:08.81
IV.SOI.EHE. ML:2.1 0.00006736089500000001 0.5376 AML other m 2020-09-07T15:24:09.72
IV.PLAC.HHN. ML:2.2 0.00006586749999999999 0.3456 AML other m 2020-09-07T15:24:11.35
IV.PLAC.HNE. ML:2.2 0.000065333965 0.4224 AML other m 2020-09-07T15:24:11.66
IV.PLAC.HHE. ML:2.2 0.00007001003 0.2816 AML other m 2020-09-07T15:24:11.73
IV.MTTG.HHN. ML:2.0 0.000057140765 1.5008 AML other m 2020-09-07T15:24:12.09
IV.PLAC.HNN. ML:2.2 0.00006646805999999999 0.6272 AML other m 2020-09-07T15:24:13.42
IV.MUCR.HHN. ML:1.8 0.000042476795 0.576 AML other m 2020-09-07T15:24:13.49
IV.SERS.HHN. ML:1.8 0.00001853172 0.448 AML other m 2020-09-07T15:24:18.37
IV.CAR1.HHE. ML:2.0 0.000036468155 0.6016 AML other m 2020-09-07T15:24:19.41
IV.CAR1.HHN. ML:1.8 0.000024826664999999998 0.3584 AML other m 2020-09-07T15:24:20.19
IV.SERS.HHE. ML:1.6 0.00001393625 0.6784 AML other m 2020-09-07T15:24:20.20
IV.RNI2.HHE. ML:2.7 0.000027565410000000003 0.128 AML other m 2020-09-07T15:25:00.17
IV.RNI2.HHN. ML:2.5 0.000019321605 0.1152 AML other m 2020-09-07T15:25:00.35
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