Earthquake with magnitude of ML 1.8 on date 21-02-2022 and time 05:09:43 (UTC) in region Mar Ionio Meridionale (MARE)

A magnitude ML 1.8 earthquake occured in region: Mar Ionio Meridionale (MARE), on

  • 21-02-2022 05:09:43 (UTC)
  • 21-02-2022 06:09:43 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.2720, 15.7270 at 34 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
45 Km NE of Siracusa (122291 inhabitants)
62 Km E of Catania (314555 inhabitants)
62 Km SE of Acireale (52622 inhabitants)
94 Km S of Reggio di Calabria (183035 inhabitants)
96 Km E of Ragusa (73313 inhabitants)
97 Km NE of Modica (54633 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 1.8 2022-02-21
05:09:43
37.2722 15.7268 34 2022-07-08
12:33:31
Bollettino Sismico Italiano INGV 101286341
Reviewed
Rev100
ML 1.8 2022-02-21
05:09:43
37.2847 15.8097 10 2022-02-21
05:16:21
Sala Sismica INGV-Roma 101198511
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-02-21 05:09:43 ± 0.17
Latitude 37.2722 ± 0.0099
Longitude 15.7268 ± 0.0113
Depth (km) 34 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 101286341

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1182
Semi-minor axis of confidence ellipse (meter) 259
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 142
Circular confidence region, given by single value of horizontal uncertainty (meter) 1180.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 219
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 17
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) 0.88763
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 17
Type of magnitude ML
Reference to an origin 101286341
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-05-02 13:50:37

ML:1.8

Field Value
Value 1.8
Uncertainty 0.0
Num. used stations 2
Type of magnitude ML
Reference to an origin 101198511
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-02-21 05:16:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARVD.HHZ. 2022-02-21T05:11:33.01 3.0 undecidable manual Pg 14.84 0
IV.PAOL.HHZ. 2022-02-21T05:11:26.24 3.0 undecidable manual Sn 0.83 0
IX.SCL3.EHZ.02 2022-02-21T05:11:14.36 3.0 undecidable manual Sn -0.37 0
IV.CSP1.EHZ. 2022-02-21T05:11:13.37 3.0 undecidable manual Pn 1.34 0
IV.TDS.HHZ. 2022-02-21T05:10:52.79 3.0 undecidable manual Sn 2.21 0
IV.CAR1.HHZ. 2022-02-21T05:10:16.47 3.0 negative manual Pn 0.82 0
IV.HMDC.HHZ. 2022-02-21T05:10:11.27 0.3 undecidable manual S 248 90.4428 54 0 70
IV.HLNI.HHZ. 2022-02-21T05:10:07.72 0.6 undecidable manual S 277 75.8685 110 0.02 48
IV.HAVL.HHZ. 2022-02-21T05:10:04.85 0.3 undecidable manual S 237 63.7917 113 0.16 71
IV.HAGA.HHZ. 2022-02-21T05:10:01.78 0.3 undecidable manual S 272 50.5161 119 0.27 72
IV.HSRS.HHZ. 2022-02-21T05:10:01.17 0.3 undecidable manual S 246 48.8178 120 0.04 75
IV.NOV.HHZ. 2022-02-21T05:10:01.85 0.6 undecidable manual P 328 98.5236 54 1.13 31
1J.FX02.HHZ. 2022-02-21T05:10:01.76 0.3 undecidable manual S 259 53.3022 118 -0.4 69
1J.FX01.HHN. 2022-02-21T05:10:00.60 0.3 undecidable manual S 238 44.8218 123 0.38 70
IV.HMDC.HHZ. 2022-02-21T05:09:59.54 0.3 undecidable manual P 248 90.4428 54 -0.17 68
IV.HLNI.HHZ. 2022-02-21T05:09:57.53 0.3 undecidable manual P 277 75.8685 110 -0.12 70
IV.MPAZ.HHZ. 2022-02-21T05:09:57.95 0.3 undecidable manual P 18 79.4649 109 -0.22 68
IV.HAVL.HHZ. 2022-02-21T05:09:55.82 0.3 undecidable manual P 237 63.7917 113 -0.09 72
IV.SSY.HHZ. 2022-02-21T05:09:55.25 0.3 undecidable manual P 258 59.0964 115 0 74
1J.FX02.HHZ. 2022-02-21T05:09:54.24 0.3 undecidable manual P 259 53.3022 118 -0.21 72
1J.FX01.HHN. 2022-02-21T05:09:53.27 0.3 undecidable manual P 238 44.8218 123 -0.06 75
IV.HAGA.HHZ. 2022-02-21T05:09:53.98 0.1 undecidable manual P 272 50.5161 119 -0.1 98
IV.HSRS.HHZ. 2022-02-21T05:09:53.88 0.1 undecidable manual P 246 48.8178 120 0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.HAVL.HHE. ML:1.4 0.00003808237 0.1408 AML other m 2022-02-21T05:10:05.50
IV.HAVL.HHN. ML:1.6 0.00006764940999999999 0.08 AML other m 2022-02-21T05:10:05.65
IV.SSY.HHN. ML:2.2 0.0002560674 0.1184 AML other m 2022-02-21T05:10:05.99
IV.HSRS.HHN. ML:1.6 0.000079960065 0.8032 AML other m 2022-02-21T05:10:06.27
IV.HAGA.HHE. ML:1.4 0.000056744395 0.4 AML other m 2022-02-21T05:10:06.29
IV.HLNI.HHE. ML:1.6 0.000054895935 0.2176 AML other m 2022-02-21T05:10:08.32
IV.HSRS.HHE. ML:1.6 0.00007316966499999999 0.6784 AML other m 2022-02-21T05:10:08.37
IV.SSY.HNE. ML:1.7 0.00008193486 0.32 AML other m 2022-02-21T05:10:09.81
IV.SSY.HNN. ML:1.6 0.000073746415 0.2016 AML other m 2022-02-21T05:10:11.18
IV.HSRS.HNE. ML:1.8 0.00012815745000000002 1.2704 AML other m 2022-02-21T05:10:11.48
IV.HSRS.HNN. ML:1.9 0.00018453315 0.8096 AML other m 2022-02-21T05:10:12.13
IV.HLNI.HHN. ML:1.6 0.000053972754999999996 0.24 AML other m 2022-02-21T05:10:12.52
IV.SSY.HHE. ML:2.0 0.000183047485 0.6592 AML other m 2022-02-21T05:10:16.43
IV.HMDC.HNN. ML:2.1 0.00012082677499999999 0.7104 AML other m 2022-02-21T05:10:22.86
IV.HMDC.HNE. ML:2.2 0.0001758347 0.9984 AML other m 2022-02-21T05:10:23.41
IV.HMDC.HHN. ML:1.8 0.00006179701 0.9216 AML other m 2022-02-21T05:10:33.78
IV.HMDC.HHE. ML:2.0 0.0001024458 1.1808 AML other m 2022-02-21T05:10:34.75
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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