Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 20-02-2022 and time 17:59:50 (Italy) in region Mar Ionio Meridionale (MARE)

A magnitude ML 1.7 earthquake occured in region: Mar Ionio Meridionale (MARE), on

  • 20-02-2022 16:59:50 (UTC)
  • 20-02-2022 17:59:50 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.2630, 15.7880 at 26 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

Municipalities within 20 km from the epicenter

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
49 Km E of Siracusa (122291 inhabitants)
67 Km SE of Acireale (52622 inhabitants)
67 Km E of Catania (314555 inhabitants)
95 Km S 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
Bulletin
Rev1000 		ML 1.7 2022-02-20
16:59:50		 37.2627 15.7877 26 2022-07-08
12:33:31		 Bollettino Sismico Italiano INGV 101287191
Reviewed
Rev100 		ML 2.0 2022-02-20
16:59:51		 37.2707 15.7752 10 2022-02-20
17:08:23		 Sala Sismica INGV-Roma 101173901
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-02-20 16:59:50 ± 0.15
Latitude 37.2627 ± 0.0081
Longitude 15.7877 ± 0.0136
Depth (km) 26 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 101287191

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 955
Semi-minor axis of confidence ellipse (meter) 899
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 137
Circular confidence region, given by single value of horizontal uncertainty (meter) 950.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 225
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 22
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) 0.44157
Epicentral distance of station farthest from the epicenter (degree) 1.06300
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 101173901
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-02-20 17:08:23

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 15
Type of magnitude ML
Reference to an origin 101287191
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-06-13 10:54:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MUCR.HHZ. 2022-02-20T17:00:25.49 0.6 undecidable manual S 317 117.993 98 0.41 41
IV.HVZN.HHZ. 2022-02-20T17:00:19.24 0.6 undecidable manual S 265 95.1381 100 0.19 46
IV.HMDC.HHZ. 2022-02-20T17:00:18.29 0.6 undecidable manual S 250 95.0382 100 -0.73 37
IV.SOI.EHN. 2022-02-20T17:00:17.93 0.6 undecidable manual S 15 92.9403 100 -0.53 43
IV.HLNI.HHZ. 2022-02-20T17:00:14.79 0.6 undecidable manual S 277 81.3519 102 -0.64 41
IV.MPAZ.HHE. 2022-02-20T17:00:14.97 0.6 undecidable manual S 14 78.9654 102 0.16 46
IV.HAVL.HHZ. 2022-02-20T17:00:11.70 0.6 undecidable manual S 240 67.7766 105 -0.21 46
IV.SSY.HHZ. 2022-02-20T17:00:11.34 0.6 undecidable manual S 260 64.1913 106 0.37 47
IV.MUCR.HHZ. 2022-02-20T17:00:10.98 0.3 undecidable manual P 317 117.993 98 0.37 63
IV.HAGA.HHZ. 2022-02-20T17:00:08.76 0.6 undecidable manual S 273 55.8996 108 -0.1 50
IV.HVZN.HHZ. 2022-02-20T17:00:07.31 0.3 undecidable manual P 265 95.1381 100 0.18 69
IV.HSRS.HHZ. 2022-02-20T17:00:07.92 0.6 undecidable manual S 250 53.4021 109 -0.32 47
1J.FX01.HHN. 2022-02-20T17:00:07.53 0.3 undecidable manual S 243 49.0176 111 0.41 71
IV.SOI.EHN. 2022-02-20T17:00:06.34 0.3 undecidable manual P 15 92.9403 100 -0.45 65
IV.HMDC.HHZ. 2022-02-20T17:00:06.48 0.6 undecidable manual P 250 95.0382 100 -0.63 39
IV.HLNI.HHZ. 2022-02-20T17:00:04.85 0.3 undecidable manual P 277 81.3519 102 -0.19 69
IV.MPAZ.HHE. 2022-02-20T17:00:04.71 0.3 undecidable manual P 14 78.9654 102 0.03 72
IV.HAVL.HHZ. 2022-02-20T17:00:03.08 0.1 undecidable manual P 240 67.7766 105 0.07 99
IV.SSY.HHZ. 2022-02-20T17:00:02.63 0.3 undecidable manual P 260 64.1913 106 0.17 73
IV.HSRS.HHZ. 2022-02-20T17:00:01.03 0.1 undecidable manual P 250 53.4021 109 0.14 100
IV.HAGA.HHZ. 2022-02-20T17:00:01.23 0.3 undecidable manual P 273 55.8996 108 -0.02 75
1J.FX01.HHN. 2022-02-20T17:00:00.61 0.3 undecidable manual P 243 49.0176 111 0.37 72
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.HSRS.HHE. ML:1.4 0.0000506844705 0.576 AML other m 2022-02-20T17:00:08.28
IV.HSRS.HHN. ML:1.4 0.000049110091000000005 0.2816 AML other m 2022-02-20T17:00:08.67
IV.HAGA.HHE. ML:1.4 0.000055541320000000004 1.0368 AML other m 2022-02-20T17:00:08.93
IV.HAGA.HHN. ML:1.5 0.00006477709000000001 0.5504 AML other m 2022-02-20T17:00:09.29
IV.SSY.HNE. ML:1.8 0.000098803005 0.1536 AML other m 2022-02-20T17:00:11.65
IV.SSY.HHN. ML:2.3 0.00032491465 0.8832 AML other m 2022-02-20T17:00:11.37
IV.SSY.HNN. ML:1.8 0.00011535996500000001 0.896 AML other m 2022-02-20T17:00:11.36
IV.HAVL.HHN. ML:1.8 0.000105457885 0.3712 AML other m 2022-02-20T17:00:12.19
IV.HAVL.HHE. ML:1.8 0.00010265 0.36 AML other m 2022-02-20T17:00:12.19
IV.HLNI.HHN. ML:1.7 0.00005836344 0.2048 AML other m 2022-02-20T17:00:15.00
IV.HLNI.HHE. ML:1.8 0.00008155225499999999 0.256 AML other m 2022-02-20T17:00:15.30
IV.HMDC.HNN. ML:2.3 0.00019794790499999998 0.7808 AML other m 2022-02-20T17:00:18.54
IV.HVZN.HHN. ML:2.0 0.0001101472 0.4864 AML other m 2022-02-20T17:00:20.89
IV.MUCR.HHN. ML:1.5 0.000024130305000000002 0.2432 AML other m 2022-02-20T17:00:26.25
IV.MUCR.HHE. ML:1.6 0.000030314121 1.28 AML other m 2022-02-20T17:00:25.61
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
Waveforms Seismic signals in miniseed + resp format Download