Earthquake with magnitude of ML 2.2 on date 28-07-2023 and time 01:58:35 (Italy) in region Tirreno Meridionale (MARE)

A magnitude ML 2.2 earthquake occured in region: Tirreno Meridionale (MARE), on

  • 27-07-2023 23:58:35 (UTC)
  • 28-07-2023 01:58:35 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 39.3820, 15.4980 at 236 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
66 Km W of Cosenza (67546 inhabitants)
84 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
Reviewed
Rev100
ML 2.2 2023-07-27
23:58:35
39.3825 15.4977 236 2023-07-28
00:26:10
Sala Sismica INGV-Roma 119638031
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-07-27 23:58:35 ± 0.32
Latitude 39.3825 ± 0.0261
Longitude 15.4977 ± 0.0465
Depth (km) 236 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 119638031

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 3960
Semi-minor axis of confidence ellipse (meter) 2809
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 79
Circular confidence region, given by single value of horizontal uncertainty (meter) 3960.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 191
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.38131
Epicentral distance of station farthest from the epicenter (degree) 1.48298
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 20
Magnitude information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 119638031
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-07-28 00:26:10
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SELL.HHZ. 2023-07-27T23:59:34.74 0.6 undecidable manual S 114 106.8153 155 0.14 49
IV.CELI.HHZ. 2023-07-27T23:59:34.19 0.6 undecidable manual S 88 86.7465 159 1.29 33
IV.SERS.HHZ. 2023-07-27T23:59:34.64 0.6 undecidable manual S 110 109.3128 154 -0.2 49
IV.SPS2.HHZ. 2023-07-27T23:59:31.64 0.6 undecidable manual S 98 72.8715 162 -0.26 51
IV.CAR1.HHZ. 2023-07-27T23:59:31.06 0.6 undecidable manual S 103 62.8926 164 -0.22 53
IV.CET2.HHZ. 2023-07-27T23:59:30.09 0.6 undecidable manual S 67 42.3243 169 -0.19 55
IV.AIO.HHE. 2023-07-27T23:59:14.11 0.6 undecidable manual P 188 158.2194 145 1.14 30
IV.MPAZ.HNE. 2023-07-27T23:59:13.44 0.1 undecidable manual P 164 164.613 144 0.01 87
IV.SOI.EHZ. 2023-07-27T23:59:12.60 1.0 negative manual P 161 153.0357 146 0.01 23
IY.CNDF.HHZ.00 2023-07-27T23:59:12.96 0.1 undecidable manual P 168 156.1215 145 0.14 88
IV.MRCB.HHZ. 2023-07-27T23:59:11.05 0.1 undecidable manual P 172 136.5633 149 -0.44 87
IV.PIPA.HHZ. 2023-07-27T23:59:10.12 0.6 undecidable manual P 84 113.4975 153 0.03 50
IV.LADO.EHZ. 2023-07-27T23:59:10.47 0.6 negative manual P 94 127.5723 150 -0.45 44
IV.PLAC.HHZ. 2023-07-27T23:59:10.80 0.6 undecidable manual P 142 131.5683 150 -0.37 45
IY.CHCE.HHZ.00 2023-07-27T23:59:10.34 0.3 negative manual P 134 110.6004 154 0.41 70
IV.SIRI.HNZ. 2023-07-27T23:59:10.31 1.0 undecidable manual P 19 94.1391 157 1.23 17
IY.MCDA.HHZ.00 2023-07-27T23:59:10.62 0.3 positive manual P 109 122.1888 152 0.03 74
IY.SPDC.HHN. 2023-07-27T23:59:09.81 0.1 undecidable manual P 150 109.6125 154 -0.06 100
IV.SELL.HHZ. 2023-07-27T23:59:09.73 0.3 negative manual P 114 106.8153 155 0 76
IV.CELI.HHZ. 2023-07-27T23:59:09.27 0.6 negative manual P 88 86.7465 159 0.53 47
IV.SERS.HHZ. 2023-07-27T23:59:09.81 0.1 negative manual P 110 109.3128 154 -0.05 100
IV.GRI.EHZ. 2023-07-27T23:59:09.65 0.6 negative manual P 128 100.8213 156 0.23 49
IV.SPS2.HHZ. 2023-07-27T23:59:08.01 1.0 positive manual P 98 72.8715 162 -0.16 26
IV.CET2.HHZ. 2023-07-27T23:59:07.22 0.6 positive manual P 67 42.3243 169 -0.01 57
IV.GRIS.HNN. 2023-07-27T23:59:07.27 0.3 undecidable manual P 37 50.0166 168 -0.15 82
IV.CAR1.HHZ. 2023-07-27T23:59:07.34 0.3 undecidable manual P 103 62.8926 164 -0.47 75
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SERS.HHN. ML:2.2 0.00002505 0.2 AML other m 2023-07-27T23:59:10.14
IY.CHCE.HHE.00 ML:2.4 0.00003785 1.12 AML other m 2023-07-27T23:59:11.90
IY.CHCE.HHN.00 ML:2.6 0.000075 0.2 AML other m 2023-07-27T23:59:11.49
IV.CET2.HHN. ML:2.7 0.0001075 1.2 AML other m 2023-07-27T23:59:30.69
IV.CET2.HHE. ML:2.3 0.000045249999999999995 0.56 AML other m 2023-07-27T23:59:31.28
IV.CAR1.HHE. ML:2.4 0.00005105 0.48 AML other m 2023-07-27T23:59:31.96
IV.CAR1.HHN. ML:2.2 0.000034450000000000004 0.34 AML other m 2023-07-27T23:59:32.04
IV.SPS2.HHE. ML:1.7 0.000010255000000000001 0.78 AML other m 2023-07-27T23:59:32.60
IV.SPS2.HHN. ML:1.9 0.0000156 1.12 AML other m 2023-07-27T23:59:33.76
IV.SERS.HHE. ML:2.1 0.000020900000000000003 1.52 AML other m 2023-07-27T23:59:36.96
IV.PIPA.HHE. ML:2.4 0.000040749999999999994 1.44 AML other m 2023-07-27T23:59:37.14
IV.SELL.HHE. ML:1.9 0.00001475 0.46 AML other m 2023-07-27T23:59:37.39
IV.PIPA.HHN. ML:2.4 0.000037500000000000003 0.86 AML other m 2023-07-27T23:59:37.76
IV.SELL.HHN. ML:1.9 0.0000133 0.78 AML other m 2023-07-27T23:59:39.29
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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