Earthquake with magnitude of ML 2.1 on date 28-04-2023 and time 19:59:59 (Italy) in region Isole Eolie (Messina)

A magnitude ML 2.1 earthquake occured in region: Isole Eolie (Messina), on

  • 28-04-2023 17:59:59 (UTC)
  • 28-04-2023 19:59:59 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.6570, 15.1070 at 231 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
65 Km NW of Messina (238439 inhabitants)
77 Km NW of Reggio di Calabria (183035 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 2.1 2023-04-28
17:59:59
38.6573 15.107 231 2023-04-28
18:18:32
Sala Sismica INGV-Roma 116847901
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-28 17:59:59 ± 0.45
Latitude 38.6573 ± 0.0504
Longitude 15.1070 ± 0.0576
Depth (km) 231 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 116847901

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 6664
Semi-minor axis of confidence ellipse (meter) 2835
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 141
Circular confidence region, given by single value of horizontal uncertainty (meter) 6660.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 243
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.37
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.31841
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 14
Magnitude information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 116847901
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-28 18:18:32
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CAFE.HHZ. 2023-04-28T18:01:37.55 3.0 undecidable manual Sg 9.5 0
IV.ACATE.EHZ. 2023-04-28T18:01:18.54 3.0 undecidable manual Sg 3.45 0
IV.SGO.HHZ. 2023-04-28T18:01:16.91 3.0 undecidable manual Sg -0.98 0
IV.VVLD.HHZ. 2023-04-28T18:01:08.31 3.0 undecidable manual Pn -3.09 0
IV.VITU.HHZ. 2023-04-28T18:01:07.03 3.0 undecidable manual Pg 8.1 0
IV.GRIS.EHZ. 2023-04-28T18:01:02.61 3.0 undecidable manual S 0
IV.GRIS.EHZ. 2023-04-28T18:01:01.49 3.0 undecidable manual P 0
IV.SELL.HHZ. 2023-04-28T18:01:00.33 0.6 undecidable manual S 74 136.3635 148 -0.12 45
IV.MPAZ.HHN. 2023-04-28T18:00:57.59 0.6 undecidable manual S 135 110.6004 153 -0.14 47
IV.PLAC.HHZ. 2023-04-28T18:00:57.27 0.6 undecidable manual S 101 117.7932 152 -1.17 32
IV.MRCB.HHZ. 2023-04-28T18:00:55.22 0.6 undecidable manual S 137 75.5688 161 0.43 47
IV.MILZ.HHN. 2023-04-28T18:00:53.35 0.3 undecidable manual S 166 44.1225 169 0.33 76
IV.CET2.HHZ. 2023-04-28T18:00:41.33 3.0 undecidable manual Pg 4.02 0
IV.CELI.HHZ. 2023-04-28T18:00:35.92 0.1 undecidable manual P 55 146.3424 146 0.5 81
IV.SERS.HHZ. 2023-04-28T18:00:35.41 0.1 negative manual P 72 142.9458 147 0.23 86
IV.SELL.HHZ. 2023-04-28T18:00:34.97 0.1 undecidable manual P 74 136.3635 148 0.23 87
IV.PLAC.HHZ. 2023-04-28T18:00:33.44 0.1 undecidable manual P 101 117.7932 152 -0.14 92
IV.CAR1.HHZ. 2023-04-28T18:00:33.19 0.1 undecidable manual P 55 115.995 152 -0.28 90
IV.MPAZ.HHN. 2023-04-28T18:00:33.16 0.1 undecidable manual P 135 110.6004 153 -0.01 96
IV.AIO.HHZ. 2023-04-28T18:00:32.51 0.6 undecidable manual P 172 76.8675 161 0.99 38
IV.SOI.EHZ. 2023-04-28T18:00:32.88 0.6 undecidable manual P 128 104.8173 154 0.03 49
IY.CNDF.HHE.00 2023-04-28T18:00:32.65 0.1 undecidable manual P 138 97.6245 156 0.17 96
IY.OPPI.HHN. 2023-04-28T18:00:32.55 0.1 undecidable manual P 119 89.5437 158 0.47 91
IV.FERC.HHZ. 2023-04-28T18:00:31.98 0.1 undecidable manual P 104 91.4418 157 -0.19 96
IV.MRCB.HHZ. 2023-04-28T18:00:31.31 0.6 positive manual P 137 75.5688 161 -0.16 50
IV.MSRU.HHZ. 2023-04-28T18:00:30.44 0.1 undecidable manual P 141 55.8996 166 -0.33 100
IV.MILZ.HHN. 2023-04-28T18:00:29.53 0.1 undecidable manual P 166 44.1225 169 -0.92 83
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MRCB.HHE. ML:2.3 0.00003785 0.68 AML other m 2023-04-28T18:00:52.96
IV.CAR1.HHE. ML:2.2 0.000032163005000000004 0.384 AML other m 2023-04-28T18:00:59.81
IV.MRCB.HHN. ML:2.3 0.00003755 0.78 AML other m 2023-04-28T18:01:01.03
IV.CAR1.HHN. ML:2.2 0.000025350755 0.3328 AML other m 2023-04-28T18:01:03.96
IV.SELL.HHE. ML:2.0 0.000013000000000000001 0.76 AML other m 2023-04-28T18:01:02.41
IV.SELL.HHN. ML:1.8 0.000012 0.52 AML other m 2023-04-28T18:01:04.95
IV.CELI.HHN. ML:1.8 0.0000114478385 0.576 AML other m 2023-04-28T18:01:03.44
IV.CELI.HHE. ML:1.8 0.000012356563500000001 0.64 AML other m 2023-04-28T18:01:03.87
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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