Earthquake with magnitude of ML 1.7 on date 14-08-2023 and time 19:00:50 (Italy) in region 2 km NE Randazzo (CT)

A magnitude ML 1.7 earthquake occured in region: 2 km NE Randazzo (CT), on

  • 14-08-2023 17:00:50 (UTC)
  • 14-08-2023 19:00:50 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.8890, 14.9610 at 27 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Randazzo CT 2 10900 10900
Santa Domenica Vittoria ME 3 980 11880
Roccella Valdemone ME 7 666 12546
Moio Alcantara ME 8 717 13263
Malvagna ME 9 733 13996
Maletto CT 11 3920 17916
Floresta ME 12 485 18401
Maniace CT 14 3765 22166
Castiglione di Sicilia CT 14 3215 25381
Francavilla di Sicilia ME 16 3945 29326
Montalbano Elicona ME 16 2287 31613
Bronte CT 16 19172 50785
Linguaglossa CT 17 5403 56188
San Piero Patti ME 18 2915 59103
Motta Camastra ME 19 845 59948
Ucria ME 19 1058 61006
Raccuja ME 19 1041 62047
Tortorici ME 20 6435 68482

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km NW of Acireale (52622 inhabitants)
44 Km N of Catania (314555 inhabitants)
62 Km SW of Messina (238439 inhabitants)
65 Km W of Reggio di Calabria (183035 inhabitants)
91 Km NE of Caltanissetta (63360 inhabitants)
97 Km N of Siracusa (122291 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
Reviewed
Rev100
ML 1.7 2023-08-14
17:00:50
37.8892 14.961 27 2023-08-14
17:26:13
Sala Sismica INGV-Roma 120125041
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-08-14 17:00:50 ± 0.14
Latitude 37.8892 ± 0.0063
Longitude 14.9610 ± 0.0091
Depth (km) 27 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 120125041

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 743
Semi-minor axis of confidence ellipse (meter) 410
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) 740.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 57
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 32
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.08903
Epicentral distance of station farthest from the epicenter (degree) 0.93799
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 18
Magnitude information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 24
Type of magnitude ML
Reference to an origin 120125041
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-08-14 17:26:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HAVL.HHZ. 2023-08-14T17:01:20.50 0.6 undecidable manual S 172 104.118 100 -0.44 38
IV.RAFF.HHZ. 2023-08-14T17:01:19.29 0.3 undecidable manual S 216 90.7425 102 1.84 31
IV.SSY.HHZ. 2023-08-14T17:01:14.98 0.6 undecidable manual S 173 81.7515 103 -0.12 43
IV.HLNI.HHZ. 2023-08-14T17:01:08.99 0.3 undecidable manual S 187 60.495 108 -0.63 58
IV.HAVL.HHZ. 2023-08-14T17:01:08.00 0.1 undecidable manual P 172 104.118 100 -0.01 85
IV.RAFF.HHZ. 2023-08-14T17:01:05.98 0.6 positive manual P 216 90.7425 102 -0.01 43
IV.MPNC.HHE. 2023-08-14T17:01:05.93 0.6 undecidable manual S 50 44.622 115 0.26 45
IV.SSY.HHZ. 2023-08-14T17:01:04.14 0.6 negative manual P 173 81.7515 103 -0.49 40
IV.MSFR.HHZ. 2023-08-14T17:01:03.12 0.6 undecidable manual S 297 36.0417 121 -0.55 43
IV.AIO.HHZ. 2023-08-14T17:01:01.40 0.6 undecidable manual S 69 25.4523 132 0.01 49
IV.IVPL.HHZ. 2023-08-14T17:01:01.03 0.1 undecidable manual P 2 54.1014 111 0.49 84
IV.NOV.HHZ. 2023-08-14T17:01:00.48 0.6 undecidable manual S 45 21.7671 137 -0.2 49
IV.LIBRI.HHZ. 2023-08-14T17:01:00.27 0.6 undecidable manual S 353 21.7671 137 -0.41 47
IV.HLNI.HHZ. 2023-08-14T17:01:00.79 0.3 positive manual P 187 60.495 108 -0.68 57
IV.EPMN.HHZ. 2023-08-14T17:01:00.62 0.6 undecidable manual S 112 20.4684 139 0.18 48
IV.EPZF.HHZ. 2023-08-14T17:00:59.65 0.6 undecidable manual S 232 11.5773 154 0.51 45
IV.EMNR.HHE. 2023-08-14T17:00:59.70 0.6 undecidable manual S 145 9.879 158 0.75 41
IV.MPNC.HHE. 2023-08-14T17:00:59.26 0.1 undecidable manual P 50 44.622 115 0.07 94
IV.MUCR.HHZ. 2023-08-14T17:00:59.92 0.6 undecidable manual S 336 18.6702 142 -0.22 49
IV.ECTS.HHN. 2023-08-14T17:00:59.42 0.6 undecidable manual S 93 14.0748 150 -0.02 50
IV.GALF.HHZ. 2023-08-14T17:00:59.43 0.6 positive manual P 240 39.8268 118 0.89 38
IV.MSFR.HHZ. 2023-08-14T17:00:58.04 0.1 undecidable manual P 297 36.0417 121 0.01 97
IV.EPMN.HHZ. 2023-08-14T17:00:56.10 0.3 negative manual P 112 20.4684 139 -0.07 74
IV.NOV.HHZ. 2023-08-14T17:00:56.11 0.1 positive manual P 45 21.7671 137 -0.2 97
IV.AIO.HHZ. 2023-08-14T17:00:56.63 0.1 positive manual P 69 25.4523 132 -0.09 98
IV.LIBRI.HHZ. 2023-08-14T17:00:56.03 0.3 positive manual P 353 21.7671 137 -0.28 71
IV.ECTS.HHN. 2023-08-14T17:00:55.51 0.1 undecidable manual P 93 14.0748 150 -0.08 100
IV.EPZF.HHZ. 2023-08-14T17:00:55.34 0.1 negative manual P 232 11.5773 154 -0.08 100
IV.EMNR.HHE. 2023-08-14T17:00:55.53 0.1 undecidable manual P 145 9.879 158 0.23 97
IV.EMCN.HHE. 2023-08-14T17:00:55.66 0.1 undecidable manual P 150 12.5763 152 0.18 98
IV.MUCR.HHZ. 2023-08-14T17:00:55.66 0.3 positive manual P 336 18.6702 142 -0.34 71
IV.ECBD.HHE. 2023-08-14T17:00:55.94 0.1 undecidable manual P 138 16.3725 145 0.16 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.EPZF.HNE. ML:2.2 0.0008629999999999999 0.34 AML other m 2023-08-14T17:01:00.19
IV.MUCR.HHE. ML:1.6 0.00020150000000000002 0.6 AML other m 2023-08-14T17:01:00.46
IV.EPZF.HNN. ML:2.2 0.0008359999999999999 0.32 AML other m 2023-08-14T17:01:00.33
IV.EPZF.HHN. ML:2.2 0.0007585 0.36 AML other m 2023-08-14T17:01:00.34
IV.EPZF.HHE. ML:2.3 0.0009525 0.38 AML other m 2023-08-14T17:01:00.20
IV.LIBRI.HHN. ML:1.1 0.000047850000000000004 0.74 AML other m 2023-08-14T17:01:00.42
IV.EPMN.HHN. ML:1.8 0.0002505 0.4 AML other m 2023-08-14T17:01:01.03
IV.EPMN.HHE. ML:1.8 0.000313 1.16 AML other m 2023-08-14T17:01:01.69
IV.NOV.HHE. ML:1.6 0.0001785 0.64 AML other m 2023-08-14T17:01:01.14
IV.AIO.HHE. ML:1.7 0.000179 0.26 AML other m 2023-08-14T17:01:01.86
IV.LIBRI.HHE. ML:1.2 0.000060799999999999994 1.6 AML other m 2023-08-14T17:01:01.80
IV.MUCR.HHN. ML:1.3 0.0000841 0.38 AML other m 2023-08-14T17:01:01.72
IV.NOV.HHN. ML:1.4 0.00010005 0.22 AML other m 2023-08-14T17:01:02.25
IV.LIBRI.HNE. ML:1.5 0.00013000000000000002 1.58 AML other m 2023-08-14T17:01:02.98
IV.LIBRI.HNN. ML:1.5 0.0001255 0.9 AML other m 2023-08-14T17:01:02.38
IV.AIO.HHN. ML:1.5 0.0001225 0.64 AML other m 2023-08-14T17:01:02.52
IV.GALF.HHE. ML:1.8 0.00015999999999999999 0.62 AML other m 2023-08-14T17:01:09.59
IV.HLNI.HHN. ML:1.6 0.00007925 0.1 AML other m 2023-08-14T17:01:09.48
IV.GALF.HHN. ML:1.6 0.00012355 1.06 AML other m 2023-08-14T17:01:09.33
IV.HLNI.HHE. ML:1.6 0.0000629 1.28 AML other m 2023-08-14T17:01:09.34
IV.SSY.HHN. ML:2.1 0.0001545 1 AML other m 2023-08-14T17:01:17.46
IV.SSY.HHE. ML:1.8 0.00007475000000000001 0.86 AML other m 2023-08-14T17:01:19.98
IV.RAFF.HNE. ML:1.7 0.0000528 0.98 AML other m 2023-08-14T17:01:21.45
IV.RAFF.HNN. ML:1.6 0.00004495 0.42 AML other m 2023-08-14T17:01:23.13
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