Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 19-02-2023 and time 16:57:30 (UTC) in region Stretto di Messina (Reggio di Calabria, Messina)

A magnitude ML 1.6 earthquake occured in region: Stretto di Messina (Reggio di Calabria, Messina), on

  • 19-02-2023 16:57:30 (UTC)
  • 19-02-2023 17:57:30 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.8240, 15.4670 at 33 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Sant'Alessio Siculo ME 15 1554 1554
Forza d'Agrò ME 15 911 2465
Letojanni ME 16 2861 5326
Santa Teresa di Riva ME 16 9377 14703
Taormina ME 16 10960 25663
Giardini-Naxos ME 17 9415 35078
Castelmola ME 17 1088 36166
Furci Siculo ME 17 3382 39548
Gallodoro ME 18 367 39915
Roccalumera ME 18 4141 44056
Savoca ME 19 1732 45788
Mongiuffi Melia ME 19 600 46388
Nizza di Sicilia ME 19 3667 50055
Casalvecchio Siculo ME 20 842 50897

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km NE of Acireale (52622 inhabitants)
36 Km SW of Reggio di Calabria (183035 inhabitants)
42 Km S of Messina (238439 inhabitants)
49 Km NE of Catania (314555 inhabitants)
86 Km N 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 1.6 2023-02-19
16:57:30		 37.8235 15.4673 33 2024-03-01
17:18:06		 Bollettino Sismico Italiano INGV 116957561
Reviewed
Rev100 		ML 1.7 2023-02-19
16:57:30		 37.8055 15.4732 28 2023-02-19
17:03:28		 Sala Sismica INGV-Roma 114596021
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-19 16:57:30 ± 0.13
Latitude 37.8235 ± 0.0063
Longitude 15.4673 ± 0.0125
Depth (km) 33 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 116957561

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1049
Semi-minor axis of confidence ellipse (meter) 736
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 304
Circular confidence region, given by single value of horizontal uncertainty (meter) 1050.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 152
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.06210
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.5
Num. used stations 6
Type of magnitude ML
Reference to an origin 114596021
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-02-19 17:03:28

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 9
Type of magnitude ML
Reference to an origin 116957561
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-11-03 16:56:59
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CMPR.HHZ. 2023-02-19T16:58:45.29 3.0 undecidable manual P 0
IV.HAVL.HHZ. 2023-02-19T16:58:00.24 0.6 undecidable manual S 198 100.5216 54 0.19 43
IV.SSY.HHZ. 2023-02-19T16:57:55.44 0.3 undecidable manual S 205 81.5517 107 0.04 69
IV.HLNI.HHZ. 2023-02-19T16:57:53.23 0.6 undecidable manual S 225 74.2701 109 -0.31 45
IV.HCRL.HHZ. 2023-02-19T16:57:52.94 0.6 undecidable manual S 213 71.0733 110 0.19 46
IV.RAFF.HHZ. 2023-02-19T16:57:50.12 0.1 undecidable manual P 236 117.8931 54 0.5 79
IV.MSRU.HHZ. 2023-02-19T16:57:48.00 0.6 undecidable manual S 4 49.0176 119 0.65 42
IV.HAVL.HHZ. 2023-02-19T16:57:47.38 0.6 undecidable manual P 198 100.5216 54 -0.09 44
IV.MPNC.HHZ. 2023-02-19T16:57:44.62 0.6 undecidable manual S 344 37.2294 127 -0.09 50
IV.SSY.HHZ. 2023-02-19T16:57:44.46 0.1 positive manual P 205 81.5517 107 -0.32 88
IV.HCRL.HHZ. 2023-02-19T16:57:43.08 0.1 positive manual P 213 71.0733 110 -0.18 93
IV.HLNI.HHZ. 2023-02-19T16:57:43.21 0.3 undecidable manual P 225 74.2701 109 -0.5 64
IV.MTTG.HHZ. 2023-02-19T16:57:43.23 0.6 undecidable manual S 46 28.4493 135 0.28 48
IV.AIO.HHZ. 2023-02-19T16:57:42.31 0.6 undecidable manual S 309 26.2515 138 -0.23 50
IV.EPMN.HHN. 2023-02-19T16:57:42.63 0.6 undecidable manual S 269 25.4523 139 0.24 49
IV.MSRU.HHZ. 2023-02-19T16:57:40.23 0.3 undecidable manual P 4 49.0176 119 0.09 73
IV.MPNC.HHZ. 2023-02-19T16:57:38.25 0.1 undecidable manual P 344 37.2294 127 -0.36 94
IV.EPOZ.HHZ. 2023-02-19T16:57:38.21 0.3 undecidable manual P 236 29.6481 134 0.48 69
IV.AIO.HHZ. 2023-02-19T16:57:37.17 0.1 positive manual P 309 26.2515 138 -0.19 100
IV.MTTG.HHZ. 2023-02-19T16:57:37.61 0.3 undecidable manual P 46 28.4493 135 0.01 77
IV.EPMN.HHN. 2023-02-19T16:57:37.45 0.6 undecidable manual P 269 25.4523 139 0.17 50
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.AIO.HHE. ML:1.3 0.00006355 0.96 AML other m 2023-02-19T16:57:42.11
IV.AIO.HHN. ML:1.4 0.0000882 0.18 AML other m 2023-02-19T16:57:43.02
IV.MTTG.HHN. ML:1.7 0.00015251945 0.6144 AML other m 2023-02-19T16:57:43.60
IV.MTTG.HHE. ML:1.5 0.00010011673 0.576 AML other m 2023-02-19T16:57:43.78
IV.MPNC.HHE. ML:1.8 0.00018293619999999999 0.2176 AML other m 2023-02-19T16:57:44.74
IV.HCRL.HHE. ML:1.7 0.000071562145 0.1024 AML other m 2023-02-19T16:57:53.48
IV.HCRL.HHN. ML:1.5 0.000043957709999999995 0.1024 AML other m 2023-02-19T16:57:54.14
IV.HLNI.HHE. ML:1.7 0.00006695000000000001 0.46 AML other m 2023-02-19T16:57:55.31
IV.HLNI.HHN. ML:1.6 0.00005985 1.28 AML other m 2023-02-19T16:57:55.98
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download