Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.5 on date 30-10-2020 and time 21:57:42 (UTC) in region Tirreno Meridionale (MARE)

A magnitude ML 2.5 earthquake occured in region: Tirreno Meridionale (MARE), on

  • 30-10-2020 21:57:42 (UTC)
  • 30-10-2020 22:57:42 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 39.0680, 15.3610 at 274 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
81 Km W of Cosenza (67546 inhabitants)
84 Km W of Lamezia Terme (70714 inhabitants)
99 Km N of Messina (238439 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 2.5 2020-10-30
21:57:42		 39.0677 15.3607 274 2021-02-26
14:56:09		 Bollettino Sismico Italiano INGV 85198791
Reviewed
Rev100 		ML 2.5 2020-10-30
21:57:43		 39.1233 15.0578 258 2020-10-30
22:12:54		 Sala Sismica INGV-Roma 84286601
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-10-30 21:57:42 ± 0.26
Latitude 39.0677 ± 0.0153
Longitude 15.3607 ± 0.0301
Depth (km) 274 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 85198791

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2515
Semi-minor axis of confidence ellipse (meter) 1243
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 109
Circular confidence region, given by single value of horizontal uncertainty (meter) 2510.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 127
Number of associated phases, regardless of their use for origin computation 51
Number of defining phases 51
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.61604
Epicentral distance of station farthest from the epicenter (degree) 1.57201
Number of stations at which the event was observed 38
Number of stations from which data was used for origin computation 38
Magnitudes information

ML:2.5

Field Value
Value 2.5
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 85198791
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-12-17 18:04:57

ML:2.5

Field Value
Value 2.5
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 84286601
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-10-30 22:12:54
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PIPA.HHZ. 2020-10-30T21:58:51.72 0.6 undecidable manual S 69 133.2666 153 0.28 46
XK.SELL.HHZ. 2020-10-30T21:58:50.22 0.6 undecidable manual S 95 109.6125 157 0.92 39
IV.CELI.HHZ. 2020-10-30T21:58:50.15 0.3 undecidable manual S 69 105.4167 158 1.19 52
MN.TIP.HHZ. 2020-10-30T21:58:50.16 0.6 undecidable manual S 84 120.8901 155 -0.12 48
IV.SOI.EHZ. 2020-10-30T21:58:50.63 0.6 undecidable manual S 151 125.6742 154 -0.08 48
IV.SERS.HHZ. 2020-10-30T21:58:49.75 0.6 undecidable manual S 91 114.3966 157 0.04 50
IV.PLAC.HHZ. 2020-10-30T21:58:49.60 0.6 undecidable manual S 126 115.6953 156 -0.22 48
IV.GRIS.HNE. 2020-10-30T21:58:48.08 0.6 undecidable manual S 29 85.7475 162 0.56 47
IV.MSRU.HHE. 2020-10-30T21:58:48.10 0.6 undecidable manual S 172 90.0432 161 0.29 50
XK.ALB1.HNZ. 2020-10-30T21:58:48.69 0.6 undecidable manual S 92 106.6155 158 -0.37 47
IV.JOPP.HHZ. 2020-10-30T21:58:46.22 0.6 undecidable manual S 138 68.376 165 -0.25 52
IV.CET2.HHZ. 2020-10-30T21:58:46.09 0.6 undecidable manual S 45 72.2721 165 -0.59 47
IV.CAR1.HHZ. 2020-10-30T21:58:46.00 0.3 undecidable manual S 74 76.0683 164 -0.9 62
IV.PETRA.HHN. 2020-10-30T21:58:25.47 0.3 undecidable manual P 219 174.492 146 0.48 56
IV.GIB.HHE. 2020-10-30T21:58:24.42 0.3 undecidable manual P 225 166.4112 148 -0.02 65
IV.SGO.HHE. 2020-10-30T21:58:24.38 0.3 undecidable manual P 358 165.7119 148 -0.01 65
IV.CSLB.HHZ. 2020-10-30T21:58:24.38 0.1 undecidable manual P 222 168.8088 147 -0.22 82
IV.SCHR.EHN. 2020-10-30T21:58:23.25 0.3 undecidable manual P 26 139.6602 152 0.49 65
IV.MCEL.HHN. 2020-10-30T21:58:23.37 0.3 undecidable manual P 15 144.4443 151 0.31 66
IV.AIO.HHE. 2020-10-30T21:58:22.27 0.1 undecidable manual P 185 122.0889 155 0.48 89
IV.LADO.EHE. 2020-10-30T21:58:22.77 0.1 undecidable manual P 80 141.2475 152 -0.09 93
IV.MSFR.HHZ. 2020-10-30T21:58:22.77 0.3 undecidable manual P 210 132.6672 153 0.41 66
IV.PIPA.HHZ. 2020-10-30T21:58:22.55 0.1 positive manual P 69 133.2666 153 0.15 94
IV.MUCR.HHE. 2020-10-30T21:58:22.98 0.6 undecidable manual P 201 121.2897 155 1.23 32
IV.CMPR.HHZ. 2020-10-30T21:58:22.66 0.1 undecidable manual P 358 138.861 152 -0.06 94
IV.MTTG.HHZ. 2020-10-30T21:58:21.70 0.1 undecidable manual P 166 121.6893 155 -0.07 98
IV.PLAC.HHZ. 2020-10-30T21:58:21.43 0.1 negative manual P 126 115.6953 156 -0.04 99
IV.BULG.HHN. 2020-10-30T21:58:21.45 0.3 undecidable manual P 1 112.0989 157 0.16 73
IV.SOI.EHZ. 2020-10-30T21:58:21.63 0.1 undecidable manual P 151 125.6742 154 -0.35 91
XK.ALB1.HNZ. 2020-10-30T21:58:21.23 0.3 undecidable manual P 92 106.6155 158 0.2 74
IV.MGR.HHZ. 2020-10-30T21:58:21.33 0.3 undecidable manual P 8 119.8911 156 -0.35 69
XK.SELL.HHZ. 2020-10-30T21:58:21.36 0.1 negative manual P 95 109.6125 157 0.19 98
IV.CELI.HHZ. 2020-10-30T21:58:21.63 0.1 undecidable manual P 69 105.4167 158 0.66 87
IV.NOV.HHZ. 2020-10-30T21:58:21.92 0.3 undecidable manual P 190 116.994 156 0.39 69
IV.SERS.HHZ. 2020-10-30T21:58:21.45 0.1 undecidable manual P 91 114.3966 157 0.05 100
IV.TDS.HHZ. 2020-10-30T21:58:21.88 0.3 undecidable manual P 52 106.5156 158 0.86 60
MN.TIP.HHZ. 2020-10-30T21:58:21.84 0.1 negative manual P 84 120.8901 155 0.11 97
IV.SIRI.HNE. 2020-10-30T21:58:21.90 0.3 undecidable manual P 19 130.9689 154 -0.38 67
IV.FERC.HNN. 2020-10-30T21:58:20.75 0.3 undecidable manual P 136 95.1381 160 0.23 75
IV.SICLA.EHZ. 2020-10-30T21:58:20.06 0.1 undecidable manual P 161 95.0382 160 -0.45 95
IV.GRI.EHN. 2020-10-30T21:58:20.85 0.3 undecidable manual P 106 95.3379 160 0.32 73
MN.CUC.HHE. 2020-10-30T21:58:20.58 0.6 undecidable manual P 21 109.9122 157 -0.6 44
IV.IVPL.HNE. 2020-10-30T21:58:20.40 0.3 undecidable manual P 203 83.4498 162 0.35 74
MN.CEL.HHZ. 2020-10-30T21:58:20.23 0.1 negative manual P 153 100.7214 159 -0.53 92
IV.CAR1.HHZ. 2020-10-30T21:58:19.25 0.1 negative manual P 74 76.0683 164 -0.53 96
IV.IFIL.HHN. 2020-10-30T21:58:19.79 1.0 undecidable manual P 231 87.9453 162 -0.43 24
IV.JOPP.HHZ. 2020-10-30T21:58:19.07 0.1 undecidable manual P 138 68.376 165 -0.46 100
IV.SPS2.HHZ. 2020-10-30T21:58:19.98 0.3 undecidable manual P 73 87.6456 162 -0.24 76
IV.GRIS.HNE. 2020-10-30T21:58:19.81 0.3 undecidable manual P 29 85.7475 162 -0.33 75
IV.MSRU.HHE. 2020-10-30T21:58:19.94 0.1 undecidable manual P 172 90.0432 161 -0.37 98
IV.CET2.HHZ. 2020-10-30T21:58:19.19 0.1 undecidable manual P 45 72.2721 165 -0.47 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PLAC.HHE. ML:2.5 0.00003965 1.08 AML other m 2020-10-30T21:58:22.65
IV.PLAC.HHN. ML:2.4 0.000030850000000000004 0.46 AML other m 2020-10-30T21:58:22.64
IV.CELI.HHE. ML:2.2 0.0000219 0.42 AML other m 2020-10-30T21:58:23.69
IV.CELI.HHN. ML:2.3 0.000023140000000000002 0.42 AML other m 2020-10-30T21:58:29.41
IV.SICLA.EHE. ML:3.1 0.00016145000000000002 0.48 AML other m 2020-10-30T21:58:40.75
IV.SICLA.EHN. ML:2.9 0.00011119999999999999 0.52 AML other m 2020-10-30T21:58:43.79
IV.CAR1.HHN. ML:2.7 0.0000696 1.24 AML other m 2020-10-30T21:58:46.72
IV.CAR1.HHE. ML:2.6 0.0000485 1.32 AML other m 2020-10-30T21:58:48.25
IV.SERS.HHN. ML:2.4 0.0000296 1.66 AML other m 2020-10-30T21:58:52.88
IV.SERS.HHE. ML:2.2 0.000022199999999999998 0.42 AML other m 2020-10-30T21:58:56.34
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
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