Earthquake with magnitude of ML 1.7 on date 31-08-2022 and time 10:39:47 (UTC) in region 11 km E Bronte (CT)

A magnitude ML 1.7 earthquake occured in region: 11 km E Bronte (CT), on

  • 31-08-2022 10:39:47 (UTC)
  • 31-08-2022 12:39:47 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.7420, 14.9500 at 9 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

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Bronte CT 11 19172 19172
Maletto CT 12 3920 23092
Ragalna CT 12 3924 27016
Biancavilla CT 13 24007 51023
Adrano CT 14 36122 87145
Zafferana Etnea CT 15 9517 96662
Milo CT 15 1087 97749
Santa Maria di Licodia CT 15 7641 105390
Randazzo CT 15 10900 116290
Nicolosi CT 16 7463 123753
Belpasso CT 17 28108 151861
Pedara CT 17 14102 165963
Sant'Alfio CT 17 1582 167545
Santa Venerina CT 18 8592 176137
Trecastagni CT 18 10910 187047
Maniace CT 18 3765 190812
PaternĂ² CT 19 48228 239040
Santa Domenica Vittoria ME 19 980 240020
Viagrande CT 20 8563 248583
Moio Alcantara ME 20 717 249300
San Pietro Clarenza CT 20 7743 257043
Camporotondo Etneo CT 20 5023 262066

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km NW of Acireale (52622 inhabitants)
29 Km NW of Catania (314555 inhabitants)
73 Km SW of Messina (238439 inhabitants)
73 Km SW of Reggio di Calabria (183035 inhabitants)
82 Km NW of Siracusa (122291 inhabitants)
83 Km E of Caltanissetta (63360 inhabitants)
93 Km N of Ragusa (73313 inhabitants)
95 Km NE of Vittoria (63339 inhabitants)
97 Km NE of Gela (75827 inhabitants)
100 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 1.7 2022-08-31
10:39:47
37.7423 14.9497 9 2023-01-31
19:03:41
Bollettino Sismico Italiano INGV 109514861
Reviewed
Rev200
ML 1.7 2022-08-31
10:39:47
37.747 14.956 6 2022-09-22
14:46:07
Sala Operativa INGV_OE (Catania) 109172291
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-08-31 10:39:47 ± 0.07
Latitude 37.7423 ± 0.0036
Longitude 14.9497 ± 0.0045
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 109514861

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 424
Semi-minor axis of confidence ellipse (meter) 372
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 140
Circular confidence region, given by single value of horizontal uncertainty (meter) 420.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 46
Number of associated phases, regardless of their use for origin computation 48
Number of defining phases 48
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.02878
Epicentral distance of station farthest from the epicenter (degree) 0.40559
Number of stations at which the event was observed 31
Number of stations from which data was used for origin computation 31
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 109172291
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2022-08-31 10:45:19

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 109514861
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-09-09 15:31:26
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HLNI.HHZ. 2022-08-31T10:40:02.99 0.3 undecidable manual S 189 44.2224 50 0.55 63
IV.MUCR.HHZ. 2022-08-31T10:39:59.86 0.6 undecidable manual S 349 34.0437 50 0.15 47
IV.AIO.HHZ. 2022-08-31T10:39:59.33 1.0 undecidable manual S 44 35.5422 50 -0.78 19
IV.GALF.HHZ. 2022-08-31T10:39:59.31 0.6 undecidable manual S 264 33.8439 50 -0.34 45
IV.MSFR.HHZ. 2022-08-31T10:39:56.83 0.3 undecidable manual P 316 45.0216 50 0.46 65
IV.EPOZ.HHZ. 2022-08-31T10:39:56.99 0.6 undecidable manual S 110 22.3554 113 0.8 39
IV.HLNI.HHZ. 2022-08-31T10:39:56.47 0.1 undecidable manual P 189 44.2224 50 0.23 91
IV.EPMN.HHN. 2022-08-31T10:39:56.35 0.6 undecidable manual S 67 21.7671 113 0.36 46
IV.ECTS.HHZ. 2022-08-31T10:39:56.04 0.3 undecidable manual S 44 21.5673 113 0.11 72
IV.LIBRI.HHZ. 2022-08-31T10:39:55.05 0.1 undecidable manual P 357 37.9287 50 -0.22 92
IV.MUCR.HHZ. 2022-08-31T10:39:54.49 0.1 undecidable manual P 349 34.0437 50 -0.18 93
IV.AIO.HHZ. 2022-08-31T10:39:54.95 0.3 undecidable manual P 44 35.5422 50 0.05 72
IV.GALF.HHZ. 2022-08-31T10:39:54.76 0.1 undecidable manual P 264 33.8439 50 0.13 94
IV.ESCV.HHN. 2022-08-31T10:39:53.25 0.6 undecidable manual S 273 11.7771 128 0.26 48
IV.EPZF.HHZ. 2022-08-31T10:39:53.77 0.3 undecidable manual S 318 12.1767 127 0.68 63
IV.EMNR.HHZ. 2022-08-31T10:39:53.23 0.3 undecidable manual S 39 10.5783 131 0.56 67
IV.EPIT.HHZ. 2022-08-31T10:39:53.78 0.3 undecidable manual S 51 12.0768 127 0.71 62
IV.ECBD.HHN. 2022-08-31T10:39:53.39 1.0 undecidable manual S 71 12.6762 126 0.15 24
IV.ESPC.HHN. 2022-08-31T10:39:52.00 0.3 undecidable manual S 129 8.7801 137 -0.22 72
IV.EPOZ.HHZ. 2022-08-31T10:39:52.96 0.1 undecidable manual P 110 22.3554 113 0.33 92
IV.EPMN.HHN. 2022-08-31T10:39:52.27 0.1 undecidable manual P 67 21.7671 113 -0.25 94
IV.ECTS.HHZ. 2022-08-31T10:39:52.36 0.3 undecidable manual P 44 21.5673 113 -0.12 72
IV.ECHR.HHE. 2022-08-31T10:39:52.46 0.6 undecidable manual S 207 6.993 143 0.65 43
IV.EMFO.HHE. 2022-08-31T10:39:52.89 0.6 undecidable manual S 93 12.3765 127 -0.25 48
IV.ESML.HNE. 2022-08-31T10:39:52.10 0.3 undecidable manual P 204 15.0738 122 0.77 61
IV.ECZM.HHN. 2022-08-31T10:39:51.25 0.3 undecidable manual S 253 4.1958 156 -0.06 75
IV.ESAL.HHE. 2022-08-31T10:39:51.63 0.1 undecidable manual P 85 16.2726 120 0.1 98
IV.EMFS.HHE. 2022-08-31T10:39:51.58 0.3 undecidable manual S 121 4.8951 152 0.15 74
IV.EVRN.HNN. 2022-08-31T10:39:51.56 1.0 undecidable manual P 110 17.3715 118 -0.16 24
IV.EMSG.HHZ. 2022-08-31T10:39:50.15 0.1 undecidable manual P 0 8.6802 137 -0.18 97
IV.EMPL.HHZ. 2022-08-31T10:39:50.44 0.3 undecidable manual P 165 7.2927 142 0.3 71
IV.ECBD.HHN. 2022-08-31T10:39:50.87 0.1 undecidable manual P 71 12.6762 126 -0.06 99
IV.ESCV.HHN. 2022-08-31T10:39:50.51 0.1 undecidable manual P 273 11.7771 128 -0.27 95
IV.ENIC.HHE. 2022-08-31T10:39:50.27 0.1 undecidable manual P 153 13.875 124 -0.85 78
IV.EMCN.HHN. 2022-08-31T10:39:50.26 0.1 undecidable manual P 54 9.1797 135 -0.13 98
IV.EPZF.HHZ. 2022-08-31T10:39:50.50 0.1 undecidable manual P 318 12.1767 127 -0.34 94
IV.ECNE.HHN. 2022-08-31T10:39:50.58 1.0 undecidable manual P 61 5.1948 151 0.66 21
IV.EMFO.HHE. 2022-08-31T10:39:50.45 0.1 undecidable manual P 93 12.3765 127 -0.43 92
IV.EPIT.HHZ. 2022-08-31T10:39:50.81 0.1 undecidable manual P 51 12.0768 127 -0.03 100
IV.EMNR.HHZ. 2022-08-31T10:39:50.64 0.1 undecidable manual P 39 10.5783 131 0.04 100
IV.ECZM.HHN. 2022-08-31T10:39:49.48 0.1 undecidable manual P 253 4.1958 156 -0.34 95
IV.EMFS.HHE. 2022-08-31T10:39:49.76 0.1 undecidable manual P 121 4.8951 152 -0.12 99
IV.ESVO.HHE. 2022-08-31T10:39:49.57 0.1 undecidable manual P 356 3.3966 160 -0.19 98
IV.ECPN.HHZ. 2022-08-31T10:39:49.85 0.1 undecidable manual P 87 3.1968 161 0.1 100
IV.ESPC.HHN. 2022-08-31T10:39:49.99 0.1 undecidable manual P 129 8.7801 137 -0.35 94
IV.ECHR.HHE. 2022-08-31T10:39:49.99 0.1 undecidable manual P 207 6.993 143 -0.12 99
IV.EPDN.HHZ. 2022-08-31T10:39:49.77 0.3 undecidable manual P 66 6.4935 145 -0.27 72
IV.ESLN.HHZ. 2022-08-31T10:39:49.88 0.1 undecidable manual P 158 5.8941 148 -0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.EMSG.HHN. ML:2.0 0.001465 1.32 AML other m 2022-08-31T10:39:53.01
IV.EPZF.HHE. ML:1.9 0.0009635000000000001 0.34 AML other m 2022-08-31T10:39:54.43
IV.EPZF.HHN. ML:1.9 0.0009755 0.26 AML other m 2022-08-31T10:39:54.91
IV.EMSG.HHE. ML:2.0 0.0015 0.42 AML other m 2022-08-31T10:39:57.23
IV.MUCR.HHE. ML:1.4 0.0001135 0.66 AML other m 2022-08-31T10:40:01.59
IV.AIO.HHE. ML:1.4 0.0000969 1.46 AML other m 2022-08-31T10:40:02.26
IV.MUCR.HHN. ML:1.5 0.0001385 0.48 AML other m 2022-08-31T10:40:04.53
IV.AIO.HHN. ML:1.4 0.0000994 0.44 AML other m 2022-08-31T10:40:04.42
IV.HLNI.HHE. ML:1.2 0.00004775 0.42 AML other m 2022-08-31T10:40:05.90
IV.HLNI.HHN. ML:1.3 0.00006080000000000001 0.92 AML other m 2022-08-31T10:40:06.53
IV.GALF.HHE. ML:1.9 0.00035749999999999996 1.44 AML other m 2022-08-31T10:40:07.99
IV.GALF.HHN. ML:1.9 0.0003145 0.56 AML other m 2022-08-31T10:40:11.08
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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