Earthquake with magnitude of ML 2.0 on date 23-02-2023 and time 21:38:01 (UTC) in region Tirreno Meridionale (MARE)

A magnitude ML 2.0 earthquake occured in region: Tirreno Meridionale (MARE), on

  • 23-02-2023 21:38:01 (UTC)
  • 23-02-2023 22:38:01 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 39.6350, 15.5350 at 257 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.

Municipalities within 20 km from the epicenter

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
73 Km NW of Cosenza (67546 inhabitants)
100 Km NW 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 2.0 2023-02-23
21:38:01
39.6348 15.5353 257 2024-03-01
17:17:58
Bollettino Sismico Italiano INGV 115142441
Reviewed
Rev100
ML 2.1 2023-02-23
21:38:01
39.6523 15.3132 253 2023-02-23
21:48:12
Sala Sismica INGV-Roma 114741291
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-23 21:38:01 ± 0.3
Latitude 39.6348 ± 0.0189
Longitude 15.5353 ± 0.0479
Depth (km) 257 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 115142441

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 4061
Semi-minor axis of confidence ellipse (meter) 1786
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 82
Circular confidence region, given by single value of horizontal uncertainty (meter) 4060.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 155
Number of associated phases, regardless of their use for origin computation 43
Number of defining phases 38
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.61158
Number of stations at which the event was observed 31
Number of stations from which data was used for origin computation 26
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 114741291
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-02-23 21:48:12

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 115142441
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-11-14 15:32:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IT.LRNO.HNZ. 2023-02-23T21:39:37.97 3.0 undecidable manual Sg 14.93 0
IV.PTQR.HHZ. 2023-02-23T21:39:33.68 3.0 undecidable manual Sn -6.7 0
IV.RIBO.EHZ.01 2023-02-23T21:39:31.49 3.0 undecidable manual Pg 9.79 0
IV.FRON.EHZ. 2023-02-23T21:39:21.65 3.0 undecidable manual Pn 6.49 0
IV.ARRO.EHZ. 2023-02-23T21:39:18.34 3.0 undecidable manual Pg 11.86 0
IV.PLAC.HHZ. 2023-02-23T21:39:09.45 0.6 undecidable manual S 149 152.8359 148 0 41
IV.SELL.HHZ. 2023-02-23T21:39:06.03 0.6 undecidable manual S 127 118.3926 154 0.15 44
IV.PIPA.HHZ. 2023-02-23T21:39:05.44 0.6 undecidable manual S 98 110.7003 156 0.26 44
IV.SERS.HHZ. 2023-02-23T21:39:05.97 0.6 undecidable manual S 124 119.1918 154 0.02 45
IV.CELI.HHZ. 2023-02-23T21:39:04.02 0.6 undecidable manual S 107 87.1461 161 0.74 40
IV.MCEL.HHN. 2023-02-23T21:39:03.84 0.6 undecidable manual S 16 79.8645 162 1.06 34
XE.BIDON.HHZ. 2023-02-23T21:39:03.66 0.6 undecidable manual S 66 85.7475 161 0.47 44
IV.SALB.HHZ. 2023-02-23T21:39:02.18 0.6 undecidable manual S 68 74.1702 163 -0.24 47
IV.CAR1.HHZ. 2023-02-23T21:39:01.55 0.6 undecidable manual S 126 71.6727 164 -0.72 41
IV.MGR.HHZ. 2023-02-23T21:39:01.35 0.6 undecidable manual S 2 55.7997 167 -0.06 51
IV.GRIS.HNE. 2023-02-23T21:39:00.37 1.0 undecidable manual S 67 29.5482 173 -0.08 26
IV.CET2.HHZ. 2023-02-23T21:38:59.80 0.6 undecidable manual S 108 37.7289 171 -0.89 41
IV.SOI.EHZ. 2023-02-23T21:38:42.82 0.3 undecidable manual P 165 178.8876 144 0.08 54
TV.GMB1.HHE. 2023-02-23T21:38:42.43 0.3 undecidable manual P 171 164.0136 146 0.75 48
IV.MILZ.HHN. 2023-02-23T21:38:41.51 0.3 undecidable manual P 190 153.5352 148 0.54 55
IV.MRCB.HHN. 2023-02-23T21:38:41.43 0.3 undecidable manual P 175 164.0136 146 -0.25 56
IV.PLAC.HHZ. 2023-02-23T21:38:40.87 0.1 negative manual P 149 152.8359 148 -0.05 82
IV.MSRU.HHZ. 2023-02-23T21:38:40.80 0.3 undecidable manual P 181 152.1366 148 -0.07 62
IV.FERC.HHZ.00 2023-02-23T21:38:40.22 0.3 undecidable manual P 159 140.748 150 0.07 64
IV.GRI.EHN. 2023-02-23T21:38:39.20 0.3 undecidable manual P 140 117.8931 154 0.38 63
IV.SERS.HHZ. 2023-02-23T21:38:38.95 0.1 negative manual P 124 119.1918 154 0.06 89
IV.SELL.HHZ. 2023-02-23T21:38:38.86 0.1 undecidable manual P 127 118.3926 154 0.01 90
IV.MTSN.HNN. 2023-02-23T21:38:38.20 0.3 undecidable manual P 15 72.4719 164 1.41 43
IV.PIPA.HHZ. 2023-02-23T21:38:38.09 0.3 undecidable manual P 98 110.7003 156 -0.35 64
IV.TDS.HHZ. 2023-02-23T21:38:37.17 0.3 undecidable manual P 87 68.5758 164 0.51 67
IV.SCHR.EHN. 2023-02-23T21:38:37.13 0.3 undecidable manual P 36 77.6667 163 0.15 71
IV.CELI.HHZ. 2023-02-23T21:38:37.76 0.3 undecidable manual P 107 87.1461 161 0.4 67
IV.MCEL.HHN. 2023-02-23T21:38:37.45 0.3 undecidable manual P 16 79.8645 162 0.39 67
XE.BIDON.HHZ. 2023-02-23T21:38:37.01 0.1 undecidable manual P 66 85.7475 161 -0.29 91
IV.CAR1.HHZ. 2023-02-23T21:38:36.44 0.1 positive manual P 126 71.6727 164 -0.33 93
IV.BULG.HHN. 2023-02-23T21:38:36.25 0.3 undecidable manual P 345 51.0156 168 0.1 76
IV.SPS2.HHZ. 2023-02-23T21:38:36.75 0.3 undecidable manual P 119 78.6657 162 -0.27 69
IV.SALB.HHZ. 2023-02-23T21:38:36.55 0.3 undecidable manual P 68 74.1702 163 -0.31 70
IV.GRIS.HNE. 2023-02-23T21:38:35.05 0.3 undecidable manual P 67 29.5482 173 -0.67 68
MN.CUC.HNZ. 2023-02-23T21:38:35.50 0.6 undecidable manual P 31 46.4202 169 -0.54 46
IV.CET2.HHZ. 2023-02-23T21:38:35.58 0.1 negative manual P 108 37.7289 171 -0.28 100
IV.MGR.HHZ. 2023-02-23T21:38:35.96 0.6 undecidable manual P 2 55.7997 167 -0.31 48
XE.MORMA.HHE. 2023-02-23T21:38:35.26 0.3 undecidable manual P 55 45.4212 170 -0.75 64
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SERS.HHN. ML:2.2 0.000018299999999999998 0.2 AML other m 2023-02-23T21:38:39.27
IV.SELL.HHE. ML:1.8 0.0000087 0.58 AML other m 2023-02-23T21:38:40.77
IV.CET2.HHE. ML:2.2 0.00002485 0.7 AML other m 2023-02-23T21:39:01.42
IV.CET2.HHN. ML:2.4 0.0000431 1.38 AML other m 2023-02-23T21:39:01.80
IV.CAR1.HHE. ML:2.3 0.000032600000000000006 0.52 AML other m 2023-02-23T21:39:02.20
IV.CAR1.HHN. ML:2.3 0.000034949999999999996 0.68 AML other m 2023-02-23T21:39:02.13
IV.SPS2.HHE. ML:1.5 0.000007015000000000001 1.56 AML other m 2023-02-23T21:39:04.98
IV.SPS2.HHN. ML:1.8 0.000009895000000000001 1.4 AML other m 2023-02-23T21:39:05.01
IV.SERS.HHE. ML:1.6 0.0000070217265 0.2816 AML other m 2023-02-23T21:39:08.28
IV.SELL.HHN. ML:1.6 0.000006269999999999999 1.4 AML other m 2023-02-23T21:39:09.13
IV.PLAC.HHE. ML:1.9 0.0000119679265 1.4592 AML other m 2023-02-23T21:39:09.77
IV.PLAC.HHN. ML:2.2 0.0000185 0.42 AML other m 2023-02-23T21:39:11.90
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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