Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.3 on date 29-08-2022 and time 21:21:18 (Italy) in region 11 km NE Regalbuto (EN)

A magnitude ML 2.3 earthquake occured in region: 11 km NE Regalbuto (EN), on

  • 29-08-2022 19:21:18 (UTC)
  • 29-08-2022 21:21:18 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.7180, 14.7310 at 19 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
Regalbuto EN 11 7277 7277
Centuripe EN 11 5470 12747
Adrano CT 11 36122 48869
Bronte CT 12 19172 68041
Troina EN 14 9373 77414
Cesarò ME 14 2439 79853
San Teodoro ME 15 1403 81256
Biancavilla CT 15 24007 105263
Catenanuova EN 17 4866 110129
Gagliano Castelferrato EN 17 3593 113722
Maletto CT 17 3920 117642
Maniace CT 18 3765 121407
Santa Maria di Licodia CT 18 7641 129048
Agira EN 19 8345 137393

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km NW of Catania (314555 inhabitants)
40 Km W of Acireale (52622 inhabitants)
64 Km E of Caltanissetta (63360 inhabitants)
84 Km NE of Gela (75827 inhabitants)
87 Km N of Vittoria (63339 inhabitants)
88 Km N of Ragusa (73313 inhabitants)
88 Km NW of Siracusa (122291 inhabitants)
90 Km SW of Messina (238439 inhabitants)
91 Km SW of Reggio di Calabria (183035 inhabitants)
95 Km N 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 2.3 2022-08-29
19:21:18		 37.7177 14.7307 19 2023-01-31
19:03:59		 Bollettino Sismico Italiano INGV 113761261
Reviewed
Rev200 		ML 2.2 2022-08-29
19:21:18		 37.702 14.708 13 2023-01-24
17:08:23		 Sala Operativa INGV_OE (Catania) 109115061
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-08-29 19:21:18 ± 0.14
Latitude 37.7177 ± 0.0072
Longitude 14.7307 ± 0.0102
Depth (km) 19 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 113761261

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 909
Semi-minor axis of confidence ellipse (meter) 361
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 297
Circular confidence region, given by single value of horizontal uncertainty (meter) 910.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 48
Number of associated phases, regardless of their use for origin computation 40
Number of defining phases 40
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.43
Epicentral distance of station closest to the epicenter (degree) 0.07285
Epicentral distance of station farthest from the epicenter (degree) 1.52975
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 28
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 109115061
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2022-08-29 19:38:07

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 42
Type of magnitude ML
Reference to an origin 113761261
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-01-24 16:13:45
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ISPIC.EHZ. 2022-08-29T19:21:50.11 0.6 undecidable manual S 172 105.117 95 0.62 37
IV.PLAC.HHZ. 2022-08-29T19:21:46.70 0.3 undecidable manual P 61 169.7967 54 0.78 42
IV.HVIT.HHZ. 2022-08-29T19:21:44.33 0.6 undecidable manual S 193 82.5507 96 0.83 35
IV.SCIAC.HHZ. 2022-08-29T19:21:42.77 0.3 undecidable manual P 262 144.8439 93 0.1 58
IV.HCRL.HHZ. 2022-08-29T19:21:36.51 0.6 undecidable manual S 151 55.0005 101 0.27 45
IV.AIO.HHZ. 2022-08-29T19:21:36.44 0.6 undecidable manual S 57 52.2033 101 0.94 35
IV.ISPIC.EHZ. 2022-08-29T19:21:36.18 0.1 undecidable manual P 172 105.117 95 -0.38 80
IV.CROCE.HHZ. 2022-08-29T19:21:35.14 0.3 undecidable manual P 190 99.7224 95 -0.59 57
IV.CLTA.HHZ. 2022-08-29T19:21:35.85 0.3 undecidable manual P 228 91.8414 96 1.32 41
IV.MSRU.HHZ. 2022-08-29T19:21:34.46 0.3 undecidable manual P 48 91.0422 96 0.06 65
IV.HMDC.HNN. 2022-08-29T19:21:34.09 0.3 undecidable manual P 177 84.249 96 0.73 55
IV.HLNI.HHZ. 2022-08-29T19:21:33.23 0.6 undecidable manual S 163 42.8238 104 0.19 47
IV.IVPL.HHZ. 2022-08-29T19:21:32.16 0.3 undecidable manual P 17 76.2681 97 0.02 68
IV.HVIT.HHZ. 2022-08-29T19:21:32.53 0.3 undecidable manual P 193 82.5507 96 -0.56 59
IV.CSLB.HHZ. 2022-08-29T19:21:30.52 0.3 undecidable manual P 293 63.7917 99 0.29 66
IV.HVZN.HHZ. 2022-08-29T19:21:29.19 0.3 undecidable manual P 181 59.8956 99 -0.45 64
IV.ESVO.HHE. 2022-08-29T19:21:28.32 0.6 undecidable manual S 72 19.9689 125 0.88 39
IV.HCRL.HHZ. 2022-08-29T19:21:28.10 0.1 undecidable manual P 151 55.0005 101 -0.8 76
IV.ESML.HNE. 2022-08-29T19:21:28.70 0.6 undecidable manual S 130 17.0718 131 1.86 22
IV.AIO.HHZ. 2022-08-29T19:21:28.56 0.3 undecidable manual P 57 52.2033 101 0.09 70
IV.ESLN.HHZ. 2022-08-29T19:21:28.94 0.6 undecidable manual S 97 21.5673 123 1.14 34
IV.GALF.HHZ. 2022-08-29T19:21:27.43 0.6 undecidable manual S 267 14.4744 136 1.11 36
IV.EPZF.HHZ. 2022-08-29T19:21:27.07 0.6 undecidable manual S 43 16.1727 133 0.41 47
IV.LIBRI.HHZ. 2022-08-29T19:21:27.02 0.3 undecidable manual P 23 44.1225 104 -0.24 69
IV.EPOZ.HHZ. 2022-08-29T19:21:26.75 0.3 undecidable manual P 97 40.5261 106 0.03 72
IV.HLNI.HHZ. 2022-08-29T19:21:26.42 0.1 undecidable manual P 163 42.8238 104 -0.64 83
IV.MSFR.HHZ. 2022-08-29T19:21:26.03 0.1 undecidable manual P 341 37.1295 107 -0.19 94
IV.ECZM.HHN. 2022-08-29T19:21:26.45 0.6 undecidable manual S 84 15.2736 134 -0.03 50
IV.EMSA.HHZ. 2022-08-29T19:21:25.65 0.3 undecidable manual P 142 30.8469 112 0.35 69
IV.EMFS.HHE. 2022-08-29T19:21:24.27 0.3 undecidable manual P 89 23.4543 120 -0.01 75
IV.ESCV.HHZ. 2022-08-29T19:21:24.65 0.6 undecidable manual S 66 8.0808 153 -0.69 43
IV.ESML.HNE. 2022-08-29T19:21:23.39 0.1 undecidable manual P 130 17.0718 131 -0.09 99
IV.ESLN.HHZ. 2022-08-29T19:21:23.84 0.3 undecidable manual P 97 21.5673 123 -0.19 73
IV.EPZF.HHZ. 2022-08-29T19:21:23.30 0.1 negative manual P 43 16.1727 133 -0.08 100
IV.EMPL.HHZ. 2022-08-29T19:21:23.96 0.3 undecidable manual P 101 21.4674 123 -0.06 75
IV.GALF.HHZ. 2022-08-29T19:21:23.33 0.1 positive manual P 267 14.4744 136 0.14 99
IV.ESVO.HHE. 2022-08-29T19:21:23.63 0.1 undecidable manual P 72 19.9689 125 -0.19 97
IV.EMSG.HHZ. 2022-08-29T19:21:23.99 0.3 undecidable manual P 59 22.3554 122 -0.14 73
IV.ECZM.HHN. 2022-08-29T19:21:22.72 0.1 undecidable manual P 84 15.2736 134 -0.56 90
IV.ESCV.HHZ. 2022-08-29T19:21:21.85 0.1 negative manual P 66 8.0808 153 -0.76 83
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ESCV.HHN. ML:3.0 0.00938 0.3 AML other m 2022-08-29T19:21:25.34
IV.ESCV.HHE. ML:2.8 0.005484999999999999 0.92 AML other m 2022-08-29T19:21:26.47
IV.EPZF.HHE. ML:2.6 0.002625 1.48 AML other m 2022-08-29T19:21:27.01
IV.EPZF.HHN. ML:2.8 0.003625 1.38 AML other m 2022-08-29T19:21:28.25
IV.GALF.HHN. ML:3.2 0.011649999999999999 0.34 AML other m 2022-08-29T19:21:29.17
IV.GALF.HHE. ML:3.2 0.01145 0.52 AML other m 2022-08-29T19:21:29.34
IV.GALF.HNN. ML:2.4 0.001695 0.34 AML other m 2022-08-29T19:21:29.34
IV.GALF.HNE. ML:2.3 0.001325 0.36 AML other m 2022-08-29T19:21:29.59
IV.EMSG.HHE. ML:2.5 0.001595 0.68 AML other m 2022-08-29T19:21:32.55
IV.HLNI.HHE. ML:2.4 0.0008445 0.28 AML other m 2022-08-29T19:21:33.61
IV.EMSG.HHN. ML:2.7 0.002745 0.46 AML other m 2022-08-29T19:21:34.03
IV.LIBRI.HHE. ML:1.9 0.0002235 0.58 AML other m 2022-08-29T19:21:34.52
IV.LIBRI.HNE. ML:2.1 0.0003825 0.54 AML other m 2022-08-29T19:21:34.54
IV.MSFR.HHE. ML:1.7 0.000175 0.36 AML other m 2022-08-29T19:21:34.83
IV.MSFR.HHN. ML:1.7 0.000168 0.34 AML other m 2022-08-29T19:21:35.39
IV.EPOZ.HHN. ML:2.3 0.0006105 1.06 AML other m 2022-08-29T19:21:35.05
IV.HLNI.HHN. ML:2.1 0.000376 0.24 AML other m 2022-08-29T19:21:35.91
IV.HCRL.HHE. ML:2.1 0.000294 0.16 AML other m 2022-08-29T19:21:37.00
IV.HCRL.HHN. ML:2.2 0.00034250000000000003 0.14 AML other m 2022-08-29T19:21:37.39
IV.LIBRI.HHN. ML:1.8 0.0001965 0.76 AML other m 2022-08-29T19:21:37.98
IV.LIBRI.HNN. ML:2.1 0.00039249999999999995 0.7 AML other m 2022-08-29T19:21:37.63
IV.EPOZ.HNN. ML:2.3 0.000635 1.02 AML other m 2022-08-29T19:21:37.15
IV.EPOZ.HNE. ML:2.3 0.0006125000000000001 1.26 AML other m 2022-08-29T19:21:39.23
IV.EPOZ.HHE. ML:2.2 0.000549 1.26 AML other m 2022-08-29T19:21:39.23
IV.HVZN.HHE. ML:2.4 0.000507 0.36 AML other m 2022-08-29T19:21:42.83
IV.HVZN.HHN. ML:2.4 0.0005715 0.48 AML other m 2022-08-29T19:21:43.57
IV.AIO.HHE. ML:1.9 0.000182 0.72 AML other m 2022-08-29T19:21:46.61
IV.HVIT.HHE. ML:2.2 0.000186 0.88 AML other m 2022-08-29T19:21:48.17
IV.CROCE.HHE. ML:2.2 0.000161 1.4 AML other m 2022-08-29T19:21:49.24
IV.ISPIC.EHN. ML:2.7 0.00047250000000000005 0.98 AML other m 2022-08-29T19:21:50.96
IV.AIO.HHN. ML:2.0 0.0002045 1.08 AML other m 2022-08-29T19:21:51.26
IV.ISPIC.EHE. ML:2.7 0.000515 0.28 AML other m 2022-08-29T19:21:51.41
IV.CROCE.HHN. ML:2.1 0.0001215 0.7 AML other m 2022-08-29T19:21:51.30
IV.IVPL.HNE. ML:2.3 0.000301 0.44 AML other m 2022-08-29T19:21:52.98
IV.IVPL.HHE. ML:2.3 0.000305 1.56 AML other m 2022-08-29T19:21:52.00
IV.HVIT.HHN. ML:2.3 0.000252 0.54 AML other m 2022-08-29T19:22:01.79
IV.IVPL.HNN. ML:2.3 0.0003135 0.34 AML other m 2022-08-29T19:22:02.00
IV.IVPL.HHN. ML:2.4 0.0003255 0.34 AML other m 2022-08-29T19:22:02.18
IV.MSRU.HHE. ML:2.4 0.00028599999999999996 0.92 AML other m 2022-08-29T19:22:06.97
IV.MSRU.HHN. ML:2.2 0.000182 0.46 AML other m 2022-08-29T19:22:08.49
IV.PLAC.HHE. ML:2.1 0.0000484 1.26 AML other m 2022-08-29T19:22:15.66
IV.PLAC.HHN. ML:2.1 0.00004955 0.58 AML other m 2022-08-29T19:22:30.41
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