Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 29-08-2022 and time 21:51:30 (Italy) in region 10 km NE Regalbuto (EN)

A magnitude ML 1.8 earthquake occured in region: 10 km NE Regalbuto (EN), on

  • 29-08-2022 19:51:30 (UTC)
  • 29-08-2022 21:51:30 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.7160, 14.7160 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 10 7277 7277
Centuripe EN 11 5470 12747
Adrano CT 12 36122 48869
Troina EN 13 9373 58242
Bronte CT 13 19172 77414
Cesarò ME 14 2439 79853
San Teodoro ME 15 1403 81256
Biancavilla CT 16 24007 105263
Gagliano Castelferrato EN 16 3593 108856
Catenanuova EN 17 4866 113722
Agira EN 18 8345 122067
Maniace CT 18 3765 125832
Maletto CT 18 3920 129752
Santa Maria di Licodia CT 19 7641 137393

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km NW of Catania (314555 inhabitants)
41 Km W of Acireale (52622 inhabitants)
63 Km E of Caltanissetta (63360 inhabitants)
83 Km NE of Gela (75827 inhabitants)
87 Km N of Vittoria (63339 inhabitants)
88 Km N of Ragusa (73313 inhabitants)
89 Km NW of Siracusa (122291 inhabitants)
91 Km SW of Messina (238439 inhabitants)
93 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 1.8 2022-08-29
19:51:30		 37.716 14.7162 19 2023-01-31
19:03:59		 Bollettino Sismico Italiano INGV 113832621
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-08-29 19:51:30 ± 0.2
Latitude 37.7160 ± 0.0081
Longitude 14.7162 ± 0.0102
Depth (km) 19 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 113832621

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 943
Semi-minor axis of confidence ellipse (meter) 472
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 120
Circular confidence region, given by single value of horizontal uncertainty (meter) 940.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 76
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.38
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.75813
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 18
Magnitude information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 113832621
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-01-27 14:30:41
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HVIT.HHZ. 2022-08-29T19:51:56.20 0.6 undecidable manual S 192 82.0512 97 0.85 35
MN.CEL.HHZ. 2022-08-29T19:51:52.18 3.0 positive manual Pg 1.77 0
IV.HLNI.HHZ. 2022-08-29T19:51:45.18 0.6 undecidable manual S 161 43.0236 105 0.09 47
IV.HMDC.HHZ. 2022-08-29T19:51:45.99 0.3 undecidable manual P 176 84.1491 97 0.66 57
IV.HVIT.HHZ. 2022-08-29T19:51:44.53 0.3 undecidable manual P 192 82.0512 97 -0.47 59
IV.HVZN.HNZ. 2022-08-29T19:51:41.19 0.3 undecidable manual P 180 59.5959 100 -0.4 63
IV.ESVO.HHE. 2022-08-29T19:51:40.42 0.6 undecidable manual S 73 21.1677 124 0.69 41
IV.EPZF.HHZ. 2022-08-29T19:51:39.69 0.6 undecidable manual S 46 17.1717 131 0.81 39
IV.LIBRI.HHZ. 2022-08-29T19:51:39.48 0.3 undecidable manual P 24 44.8218 104 0.13 69
IV.ESML.HNE. 2022-08-29T19:51:39.33 0.6 undecidable manual S 127 17.9709 130 0.29 47
IV.GALF.HHZ. 2022-08-29T19:51:39.05 0.6 undecidable manual S 268 13.1757 140 0.93 37
IV.HLNI.HHZ. 2022-08-29T19:51:38.41 0.3 undecidable manual P 161 43.0236 105 -0.67 59
IV.ECZM.HHN. 2022-08-29T19:51:38.75 0.6 undecidable manual S 84 16.5723 132 -0.01 49
IV.EPIT.HHZ. 2022-08-29T19:51:38.05 0.3 undecidable manual P 70 31.6461 112 0.63 62
IV.MUCR.HHZ. 2022-08-29T19:51:38.27 0.3 undecidable manual P 21 38.8278 107 -0.18 69
IV.MSFR.HHZ. 2022-08-29T19:51:38.08 0.3 undecidable manual P 343 36.9297 108 -0.1 71
IV.EPOZ.HHZ. 2022-08-29T19:51:38.95 0.3 undecidable manual P 97 41.7249 105 0.06 71
IV.EMSA.HHZ. 2022-08-29T19:51:37.52 0.3 undecidable manual P 140 31.4463 112 0.14 71
IV.ESLN.HHZ. 2022-08-29T19:51:36.54 0.3 undecidable manual P 96 22.755 122 0.35 69
IV.ESCV.HHN. 2022-08-29T19:51:36.92 0.6 undecidable manual S 68 9.3795 150 -0.61 44
IV.EMSG.HHZ. 2022-08-29T19:51:36.17 0.3 undecidable manual P 60 23.5542 120 -0.12 72
IV.ESML.HNE. 2022-08-29T19:51:35.55 0.3 undecidable manual P 127 17.9709 130 -0.04 74
IV.GALF.HHZ. 2022-08-29T19:51:35.05 0.1 undecidable manual P 268 13.1757 140 -0.01 100
IV.EPZF.HHZ. 2022-08-29T19:51:35.55 0.3 undecidable manual P 46 17.1717 131 0.05 74
IV.ESVO.HHE. 2022-08-29T19:51:35.66 0.3 undecidable manual P 73 21.1677 124 -0.33 69
IV.ECZM.HHN. 2022-08-29T19:51:34.80 0.6 undecidable manual P 84 16.5723 132 -0.62 43
IV.ESCV.HHN. 2022-08-29T19:51:33.84 0.1 undecidable manual P 68 9.3795 150 -0.87 79
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.EPZF.HHE. ML:2.1 0.0007830000000000001 1.64 AML other m 2022-08-29T19:51:39.10
IV.EPZF.HHN. ML:2.2 0.0010105 0.38 AML other m 2022-08-29T19:51:40.06
IV.GALF.HHE. ML:2.6 0.002815 0.32 AML other m 2022-08-29T19:51:41.17
IV.GALF.HNN. ML:1.7 0.0003305 1.56 AML other m 2022-08-29T19:51:41.05
IV.GALF.HHN. ML:2.4 0.00198 1.38 AML other m 2022-08-29T19:51:41.83
IV.GALF.HNE. ML:1.7 0.0003435 0.5 AML other m 2022-08-29T19:51:41.17
IV.EMSG.HHE. ML:2.2 0.000829 1.54 AML other m 2022-08-29T19:51:45.03
IV.MUCR.HHE. ML:1.8 0.00020950000000000002 1.4 AML other m 2022-08-29T19:51:45.23
IV.EMSG.HHN. ML:2.2 0.000749 0.64 AML other m 2022-08-29T19:51:46.38
IV.HLNI.HHN. ML:1.6 0.00011650000000000001 0.9 AML other m 2022-08-29T19:51:46.47
IV.MUCR.HHN. ML:1.7 0.0001605 0.5 AML other m 2022-08-29T19:51:46.47
IV.LIBRI.HHE. ML:1.4 0.00007205 0.72 AML other m 2022-08-29T19:51:47.94
IV.LIBRI.HHN. ML:1.3 0.00006085 0.6 AML other m 2022-08-29T19:51:48.74
IV.LIBRI.HNE. ML:1.8 0.0001565 0.96 AML other m 2022-08-29T19:51:48.47
IV.HLNI.HHE. ML:1.5 0.0000852 1.22 AML other m 2022-08-29T19:51:49.94
IV.LIBRI.HNN. ML:1.7 0.0001495 0.52 AML other m 2022-08-29T19:51:50.92
IV.HMDC.HHN. ML:2.0 0.0001235 0.54 AML other m 2022-08-29T19:51:59.43
IV.HMDC.HHE. ML:1.3 0.00002395 0.96 AML other m 2022-08-29T19:52:00.53
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