Earthquake with magnitude of ML 3.7 on date 13-05-2023 and time 14:48:24 (Italy) in region Mar Ionio Meridionale (MARE)

A magnitude ML 3.7 earthquake occured in region: Mar Ionio Meridionale (MARE), on

  • 13-05-2023 12:48:24 (UTC)
  • 13-05-2023 14:48:24 (UTC +02:00) Italian time
  • 13-05-2023 15:48:24 (UTC +03:00) local time in the region of the earthquake (Europe/Athens)

and geographic coordinates (lat, lon) 36.8620, 20.9140 at 43 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

No Italian municipalities within 100 km from the epicenter with at least 50000 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 3.7 2023-05-13
12:48:24
36.8618 20.9145 43 2023-05-13
13:06:05
Sala Sismica INGV-Roma 117317831
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-13 12:48:24 ± 0.19
Latitude 36.8618 ± 0.0099
Longitude 20.9145 ± 0.0090
Depth (km) 43 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 117317831

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1315
Semi-minor axis of confidence ellipse (meter) 391
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 216
Circular confidence region, given by single value of horizontal uncertainty (meter) 1320.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 334
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 4.70615
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 9
Magnitude information

ML:3.7

Field Value
Value 3.7
Uncertainty 0.4
Num. used stations 16
Type of magnitude ML
Reference to an origin 117317831
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-13 13:06:05
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CRJA.HNZ. 2023-05-13T12:50:45.87 3.0 undecidable manual Sg 8.79 0
IV.MRVN.HHZ. 2023-05-13T12:50:43.69 3.0 undecidable manual Sn -9.78 0
IV.ARRO.EHZ. 2023-05-13T12:50:42.09 3.0 positive manual Pn 3.28 0
IV.CIMA.HNZ. 2023-05-13T12:50:37.57 3.0 negative manual Pn -5.76 0
IV.HAVL.HHZ. 2023-05-13T12:50:23.18 0.6 undecidable manual S 273 513.7968 91 0.52 55
IV.SSY.HHZ. 2023-05-13T12:50:22.99 0.6 undecidable manual S 275 518.2923 91 -0.64 51
IV.CET2.HHZ. 2023-05-13T12:50:22.97 3.0 undecidable manual Sg 4.83 0
IV.HSRS.HHZ. 2023-05-13T12:50:20.50 0.6 undecidable manual S 275 505.0167 91 -0.26 59
IV.GIUL.HHZ. 2023-05-13T12:50:18.12 3.0 negative manual Pn -6.25 0
IV.MMN.HHZ. 2023-05-13T12:50:17.74 3.0 undecidable manual Sn -8.62 0
IV.SOI.EHZ. 2023-05-13T12:50:08.05 0.6 undecidable manual S 289 448.3179 91 -0.5 61
IV.ACATE.HNZ. 2023-05-13T12:50:06.84 3.0 undecidable manual Sn -0.53 0
IV.PLAC.HHZ. 2023-05-13T12:50:04.88 0.6 undecidable manual S 296 430.5468 91 0.17 68
IX.STN3.EHZ.02 2023-05-13T12:50:03.54 3.0 undecidable manual Pg 3.02 0
IV.MILZ.HHZ. 2023-05-13T12:49:58.52 3.0 undecidable manual Sn -2.32 0
IV.ORI.HHZ. 2023-05-13T12:49:52.66 3.0 negative manual Pg 0.42 0
IV.MSRU.HHZ. 2023-05-13T12:49:51.90 3.0 undecidable manual Sn -4.67 0
IV.CSLB.HHZ. 2023-05-13T12:49:46.50 3.0 undecidable manual Pn 0.2 0
IV.CLTA.HHZ. 2023-05-13T12:49:45.36 3.0 negative manual Pn -0.8 0
IV.HMDC.HHZ. 2023-05-13T12:49:37.09 3.0 positive manual Pn -0.41 0
IV.HLNI.HHZ. 2023-05-13T12:49:35.19 3.0 negative manual Pn -0.98 0
IV.HAVL.HHZ. 2023-05-13T12:49:33.06 0.6 undecidable manual P 273 513.7968 91 0.26 58
IV.AIO.HHZ. 2023-05-13T12:49:33.31 0.6 undecidable manual P 286 515.2953 91 0.33 57
IV.HPAC.HHZ. 2023-05-13T12:49:33.99 0.6 undecidable manual P 270 522.3882 91 0.13 59
IV.SSY.HHZ. 2023-05-13T12:49:32.70 0.6 undecidable manual P 275 518.2923 91 -0.65 51
IV.EPOZ.HHE. 2023-05-13T12:49:32.52 0.6 undecidable manual P 282 513.1974 91 -0.2 59
IV.HSRS.HHZ. 2023-05-13T12:49:31.74 0.3 undecidable manual P 275 505.0167 91 0.04 93
IV.MPAZ.HHE. 2023-05-13T12:49:25.06 0.6 undecidable manual P 287 448.9173 91 0.34 64
IV.SOI.EHZ. 2023-05-13T12:49:24.77 0.3 undecidable manual P 289 448.3179 91 0.12 100
IV.PLAC.HHZ. 2023-05-13T12:49:22.11 0.3 undecidable manual P 296 430.5468 91 -0.32 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.HAVL.HHE. ML:4.1 0.00036082245 0.2624 AML other m 2023-05-13T12:50:31.35
IV.HAVL.HHN. ML:4.4 0.0006041395 0.2816 AML other m 2023-05-13T12:50:28.76
IV.SSY.HHN. ML:4.2 0.00038409024999999994 0.16 AML other m 2023-05-13T12:50:30.83
IV.SSY.HHE. ML:3.9 0.00022451915 0.2816 AML other m 2023-05-13T12:50:30.05
IV.PLAC.HHE. ML:3.2 0.00007214999999999999 0.42 AML other m 2023-05-13T12:50:09.68
IV.SOI.EHN. ML:3.3 0.00007361899 0.416 AML other m 2023-05-13T12:50:11.63
IV.SOI.EHE. ML:3.3 0.00007935 0.42 AML other m 2023-05-13T12:50:11.41
IV.PLAC.HHN. ML:3.2 0.00007436450999999999 0.6976 AML other m 2023-05-13T12:50:10.36
IV.ORI.HHE. ML:3.8 0.00016800000000000002 0.28 AML other m 2023-05-13T12:50:33.24
IV.ORI.HHN. ML:3.9 0.000192 0.38 AML other m 2023-05-13T12:50:34.91
IV.CET2.HHE. ML:3.6 0.00010695858999999999 0.4608 AML other m 2023-05-13T12:50:29.16
IV.CET2.HHN. ML:3.8 0.0001721681 0.4352 AML other m 2023-05-13T12:50:27.87
IV.PLAC.HNE. ML:3.2 0.00006791549 0.4032 AML other m 2023-05-13T12:50:09.47
IV.PLAC.HNN. ML:3.3 0.00008712031 0.4672 AML other m 2023-05-13T12:50:10.37
IV.AIO.HHE. ML:3.7 0.00013810620000000002 0.32 AML other m 2023-05-13T12:50:29.48
IV.HPAC.HHE. ML:4.4 0.00062631135 0.4032 AML other m 2023-05-13T12:50:36.04
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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