Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 25-02-2020 and time 17:29:07 (Italy) in region Tirreno Meridionale (MARE)

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

  • 25-02-2020 16:29:07 (UTC)
  • 25-02-2020 17:29:07 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 39.4060, 15.1630 at 31 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
95 Km W of Cosenza (67546 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 2020-02-25
16:29:07		 39.4065 15.1627 31 2020-07-18
21:08:38		 Bollettino Sismico Italiano INGV 79662261
Reviewed
Rev100 		ML 2.0 2020-02-25
16:29:08		 39.4163 15.1848 10 2020-02-25
16:49:20		 Sala Sismica INGV-Roma 76805611
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-25 16:29:07 ± 0.15
Latitude 39.4065 ± 0.0072
Longitude 15.1627 ± 0.0116
Depth (km) 31 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 79662261

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 899
Semi-minor axis of confidence ellipse (meter) 726
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 300
Circular confidence region, given by single value of horizontal uncertainty (meter) 900.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 200
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.27884
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 20
Type of magnitude ML
Reference to an origin 79662261
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-05-28 17:33:55

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 76805611
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-02-25 16:49:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHZ. 2020-02-25T16:30:53.86 3.0 undecidable manual Sg 16.08 0
IV.GAVE.EHZ. 2020-02-25T16:30:42.30 3.0 undecidable manual Sn -1.69 0
IV.VENL.HNZ. 2020-02-25T16:30:39.53 3.0 undecidable manual Pn 1.98 0
IV.NDIM.HNZ. 2020-02-25T16:30:35.37 3.0 positive manual Pn -1.36 0
IV.ROSPO.HHZ. 2020-02-25T16:30:22.69 3.0 undecidable manual Sn -1.98 0
IV.MNTT.EHZ. 2020-02-25T16:30:15.10 3.0 negative manual Pg 11.96 0
IV.CPGN.EHZ. 2020-02-25T16:30:14.87 3.0 negative manual Pn -2.19 0
IV.MRVN.HHZ. 2020-02-25T16:30:12.12 3.0 undecidable manual Sg 10.23 0
AC.VLO.HHZ. 2020-02-25T16:30:10.42 3.0 negative manual Pg 10.26 0
IV.GAVE.EHZ. 2020-02-25T16:30:09.14 3.0 undecidable manual Pg 8.31 0
IV.MCRV.HHZ. 2020-02-25T16:29:50.08 3.0 undecidable manual S 0.65 0
IV.CAR1.HHZ. 2020-02-25T16:29:35.50 1.0 undecidable manual S 100 91.5417 104 0.49 30
IV.MMN.HHZ. 2020-02-25T16:29:34.50 0.6 undecidable manual S 52 88.8444 104 0.2 65
IV.MGR.HHZ. 2020-02-25T16:29:33.70 0.6 undecidable manual S 22 87.6456 104 -0.31 63
IV.BULG.HHZ. 2020-02-25T16:29:31.53 0.6 undecidable manual S 14 76.7676 107 0.34 64
MN.CEL.HNZ. 2020-02-25T16:29:29.95 0.6 undecidable manual P 153 141.9468 54 -0.05 60
IV.CET2.HHZ. 2020-02-25T16:29:29.00 0.6 undecidable manual S 78 69.1752 109 -0.27 66
IV.GRIS.EHE. 2020-02-25T16:29:28.83 0.6 undecidable manual S 58 69.6747 109 -0.57 61
IV.MSRU.HHE. 2020-02-25T16:29:28.24 0.6 undecidable manual P 167 130.2696 54 -0.3 59
IX.SRN3.HNE.02 2020-02-25T16:29:27.53 0.6 undecidable manual P 12 122.3886 54 -0.03 63
IV.MCEL.HHN. 2020-02-25T16:29:26.82 0.6 undecidable manual P 28 115.4955 54 0.11 62
IV.JOPP.HHE. 2020-02-25T16:29:25.80 0.6 undecidable manual P 145 108.4137 54 -0.02 65
IV.SIRI.HHZ. 2020-02-25T16:29:25.82 0.6 undecidable manual P 35 104.9172 102 0.44 59
IV.CMPR.HHZ. 2020-02-25T16:29:24.65 0.6 undecidable manual P 7 101.8203 102 -0.27 62
MN.CUC.HHE. 2020-02-25T16:29:23.05 1.0 undecidable manual P 40 85.7475 105 0.55 30
IV.CAR1.HHZ. 2020-02-25T16:29:23.76 0.6 undecidable manual P 100 91.5417 104 0.38 62
IV.MMN.HHZ. 2020-02-25T16:29:23.56 0.6 negative manual P 52 88.8444 104 0.6 58
IV.MGR.HHZ. 2020-02-25T16:29:22.85 0.3 undecidable manual P 22 87.6456 104 0.06 100
IV.BULG.HHZ. 2020-02-25T16:29:20.76 0.6 undecidable manual P 14 76.7676 107 -0.41 63
IV.GRIS.EHE. 2020-02-25T16:29:20.08 0.6 undecidable manual P 58 69.6747 109 -0.06 69
IV.CET2.HHZ. 2020-02-25T16:29:19.81 0.3 undecidable manual P 78 69.1752 109 -0.25 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GMB.BHE. ML:2.5 0.0001715 0.88 AML other m 2020-02-25T16:29:54.17
IV.CET2.HHE. ML:2.2 0.00023976979999999998 0.2048 AML other m 2020-02-25T16:29:30.72
IV.CET2.HHN. ML:2.4 0.00035118320000000004 0.2304 AML other m 2020-02-25T16:29:30.82
IV.BULG.HHN. ML:2.0 0.00012362605 0.576 AML other m 2020-02-25T16:29:31.85
IV.BULG.HNN. ML:2.0 0.00012602664999999998 0.576 AML other m 2020-02-25T16:29:31.85
IV.BULG.HNE. ML:1.8 0.00008899370500000001 0.3712 AML other m 2020-02-25T16:29:33.38
IV.BULG.HHE. ML:1.9 0.000100373135 0.3712 AML other m 2020-02-25T16:29:33.57
IV.MGR.HHN. ML:1.6 0.000048419995 0.384 AML other m 2020-02-25T16:29:38.70
IV.MGR.HNE. ML:2.3 0.0002105032 0.512 AML other m 2020-02-25T16:29:40.56
IV.MGR.HHE. ML:1.6 0.000046533705 0.1792 AML other m 2020-02-25T16:29:35.55
IV.MMN.HHN. ML:2.3 0.0002267751 0.3072 AML other m 2020-02-25T16:29:35.23
IV.MMN.HHE. ML:2.2 0.00016646250000000001 0.2176 AML other m 2020-02-25T16:29:35.44
IV.CAR1.HHE. ML:2.2 0.0001652138 0.4608 AML other m 2020-02-25T16:29:37.61
IV.CAR1.HNE. ML:2.2 0.00016068369999999997 0.2944 AML other m 2020-02-25T16:29:37.61
IV.CAR1.HHN. ML:2.2 0.00014786925000000002 0.3968 AML other m 2020-02-25T16:29:37.45
IV.CAR1.HNN. ML:2.3 0.00022893805 0.6784 AML other m 2020-02-25T16:29:36.52
IV.SIRI.HNN. ML:1.8 0.000055184175000000004 0.4992 AML other m 2020-02-25T16:29:43.62
IV.SIRI.HHN. ML:1.8 0.000050626975 0.2432 AML other m 2020-02-25T16:29:43.37
IV.SIRI.HNE. ML:1.9 0.00006915819500000001 0.32 AML other m 2020-02-25T16:29:45.29
IV.SIRI.HHE. ML:1.8 0.000060554945 0.3072 AML other m 2020-02-25T16:29:45.13
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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