Earthquake with magnitude of ML 2.5 on date 23-05-2020 and time 09:38:46 (Italy) in region Mar Ionio Meridionale (MARE)

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

  • 23-05-2020 07:38:46 (UTC)
  • 23-05-2020 09:38:46 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 36.5070, 16.0130 at 15 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
89 Km SE of Siracusa (122291 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 2020-05-23
07:38:46
36.5073 16.0127 15 2020-11-19
12:36:47
Bollettino Sismico Italiano INGV 79998741
Reviewed
Rev100
ML 2.4 2020-05-23
07:38:46
36.5127 15.9942 15 2020-05-23
08:05:11
Sala Sismica INGV-Roma 79472481
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-23 07:38:46 ± 0.2
Latitude 36.5073 ± 0.0081
Longitude 16.0127 ± 0.0179
Depth (km) 15 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 79998741

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1585
Semi-minor axis of confidence ellipse (meter) 587
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 255
Circular confidence region, given by single value of horizontal uncertainty (meter) 1590.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 250
Number of associated phases, regardless of their use for origin computation 43
Number of defining phases 29
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 2.03966
Number of stations at which the event was observed 30
Number of stations from which data was used for origin computation 16
Magnitudes information

ML:2.5

Field Value
Value 2.5
Uncertainty 0.3
Num. used stations 15
Type of magnitude ML
Reference to an origin 79998741
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-08-02 16:29:52

ML:2.4

Field Value
Value 2.4
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 79472481
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-23 08:05:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.AGLI.HHZ. 2020-05-23T07:40:43.25 3.0 positive manual Pg 14.88 0
IV.NOCI.HHZ. 2020-05-23T07:40:36.98 3.0 undecidable manual Sn -7.04 0
IV.ARRO.EHZ. 2020-05-23T07:40:34.10 3.0 positive manual Pg 11.82 0
IV.FRON.EHZ. 2020-05-23T07:40:31.30 3.0 undecidable manual Pn -3.16 0
IV.ROSPO.HHZ. 2020-05-23T07:40:26.79 3.0 undecidable manual Pg 14.65 0
IV.ERC.EHZ. 2020-05-23T07:40:08.52 3.0 undecidable manual Sn -1.27 0
AC.VLO.HHZ. 2020-05-23T07:40:06.91 3.0 undecidable manual Pg 6.06 0
IV.RNI2.HHZ. 2020-05-23T07:40:04.01 3.0 negative manual Pn -2.39 0
IV.SPS2.HHZ. 2020-05-23T07:40:00.40 3.0 undecidable manual Sn -5.03 0
IV.MCRV.HHZ. 2020-05-23T07:39:53.93 3.0 undecidable manual Pn 1.87 0
IV.IVPL.HHZ. 2020-05-23T07:39:46.54 0.6 undecidable manual S 337 226.4067 54 0.85 24
IV.SCTE.HHZ. 2020-05-23T07:39:45.63 3.0 positive manual Pn -4.53 0
IV.MILZ.HHZ. 2020-05-23T07:39:41.60 0.6 undecidable manual S 341 207.4368 54 0 34
IV.MUCR.HHZ. 2020-05-23T07:39:39.91 0.6 undecidable manual S 330 197.7576 54 0.39 34
IV.MBFT.HHZ. 2020-05-23T07:39:39.11 3.0 negative manual Pg 8.97 0
IV.MSRU.HHZ. 2020-05-23T07:39:39.83 0.6 undecidable manual S 347 199.8444 54 -0.14 35
IV.AIO.HHZ. 2020-05-23T07:39:34.59 0.6 undecidable manual S 337 176.3901 54 -0.32 38
IV.TDS.HHZ. 2020-05-23T07:39:31.45 3.0 undecidable manual Pn -5.32 0
IV.CAR1.HHZ. 2020-05-23T07:39:29.92 3.0 negative manual Pn -1.14 0
MN.WDD.HHN. 2020-05-23T07:39:29.14 0.6 undecidable manual S 241 152.6361 92 -0.09 45
IV.HVZN.HNZ. 2020-05-23T07:39:25.16 0.6 undecidable manual S 303 137.1627 92 0.07 47
IV.HLNI.HHZ. 2020-05-23T07:39:24.50 0.6 undecidable manual S 313 137.6622 92 -0.72 39
IV.MEU.EHZ. 2020-05-23T07:39:21.51 0.6 undecidable manual S 303 124.5864 92 -0.23 46
IV.PETRA.HHZ. 2020-05-23T07:39:21.37 0.3 undecidable manual P 312 223.11 54 1.31 30
IT.LNT.HGZ. 2020-05-23T07:39:21.77 0.3 undecidable manual S 314 124.6863 92 0 73
IV.IVPL.HHZ. 2020-05-23T07:39:20.77 0.3 undecidable manual P 337 226.4067 54 0.3 43
IV.HAGA.HHZ. 2020-05-23T07:39:19.30 0.6 undecidable manual S 319 114.996 92 0.1 49
IV.MILZ.HHZ. 2020-05-23T07:39:18.23 0.3 undecidable manual P 341 207.4368 54 0.12 51
IV.SSY.HHZ. 2020-05-23T07:39:18.29 0.6 undecidable manual S 311 110.2119 92 0.37 47
IV.MSFR.HHZ. 2020-05-23T07:39:18.44 0.3 undecidable manual P 324 210.7335 54 -0.08 50
IV.AGST.EHE. 2020-05-23T07:39:17.28 0.6 undecidable manual S 320 108.5136 92 -0.17 49
IV.MSRU.HHZ. 2020-05-23T07:39:17.17 0.3 undecidable manual P 347 199.8444 54 0 54
IV.MUCR.HHZ. 2020-05-23T07:39:16.99 0.3 undecidable manual P 330 197.7576 54 0.08 54
IV.AIO.HHZ. 2020-05-23T07:39:13.83 0.3 undecidable manual P 337 176.3901 54 -0.41 56
IV.MTTG.HHE. 2020-05-23T07:39:12.97 0.6 undecidable manual P 351 168.2094 54 -0.26 41
MN.WDD.HHN. 2020-05-23T07:39:11.05 0.3 undecidable manual P 241 152.6361 92 0.09 68
IV.HLNI.HHZ. 2020-05-23T07:39:08.08 0.1 undecidable manual P 313 137.6622 92 -0.57 84
IV.HVZN.HNZ. 2020-05-23T07:39:08.58 0.1 undecidable manual P 303 137.1627 92 0 96
IV.MEU.EHZ. 2020-05-23T07:39:06.57 0.1 negative manual P 303 124.5864 92 -0.08 97
IT.LNT.HGZ. 2020-05-23T07:39:06.74 0.3 undecidable manual P 314 124.6863 92 0.08 72
IV.HAGA.HHZ. 2020-05-23T07:39:05.16 0.1 undecidable manual P 319 114.996 92 -0.01 100
IV.AGST.EHE. 2020-05-23T07:39:04.25 0.1 undecidable manual P 320 108.5136 92 0.09 100
IV.SSY.HHZ. 2020-05-23T07:39:04.72 0.1 negative manual P 311 110.2119 92 0.28 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SSY.HHE. ML:2.8 0.0005267748999999999 0.1216 AML other m 2020-05-23T07:39:19.28
IV.HAGA.HHN. ML:2.2 0.00013287678 0.1024 AML other m 2020-05-23T07:39:21.79
IV.HAGA.HHE. ML:2.2 0.0001377344 0.0832 AML other m 2020-05-23T07:39:21.99
IV.MEU.EHE. ML:3.1 0.0009469777999999999 0.3968 AML other m 2020-05-23T07:39:22.23
IV.MEU.EHN. ML:3.0 0.0007470032 0.2176 AML other m 2020-05-23T07:39:22.44
IV.HLNI.HHN. ML:2.7 0.0002897334 0.16 AML other m 2020-05-23T07:39:25.41
IV.HLNI.HHE. ML:2.8 0.00039538444999999997 0.0768 AML other m 2020-05-23T07:39:25.71
IV.AIO.HHE. ML:2.0 0.00003882448 0.2432 AML other m 2020-05-23T07:39:35.77
IV.AIO.HHN. ML:2.3 0.000067657405 0.3392 AML other m 2020-05-23T07:39:36.20
IV.MSRU.HHE. ML:2.4 0.00008157294000000001 0.32 AML other m 2020-05-23T07:39:40.18
IV.MSRU.HHN. ML:2.4 0.00006810069000000001 1.4208 AML other m 2020-05-23T07:39:40.46
IV.MUCR.HHE. ML:2.3 0.00005254159 0.3392 AML other m 2020-05-23T07:39:41.35
IV.MUCR.HHN. ML:2.3 0.00006522724000000001 0.3008 AML other m 2020-05-23T07:39:41.51
IV.MILZ.HHN. ML:2.7 0.00015236484999999999 0.4416 AML other m 2020-05-23T07:39:42.04
IV.MILZ.HHE. ML:3.3 0.0005004284500000001 0.6016 AML other m 2020-05-23T07:39:42.21
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
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