Earthquake with magnitude of ML 1.5 on date 15-08-2022 and time 13:32:44 (UTC) in region 5 km N Raddusa (CT)

A magnitude ML 1.5 earthquake occured in region: 5 km N Raddusa (CT), on

  • 15-08-2022 13:32:44 (UTC)
  • 15-08-2022 15:32:44 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.5200, 14.5330 at 38 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
Raddusa CT 5 3178 3178
Castel di Iudica CT 11 4625 7803
Valguarnera Caropepe EN 13 7866 15669
Aidone EN 14 4889 20558
Catenanuova EN 15 4866 25424
Agira EN 15 8345 33769
Assoro EN 15 5191 38960
Nissoria EN 17 3000 41960
Regalbuto EN 18 7277 49237
Leonforte EN 18 13439 62676

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km E of Caltanissetta (63360 inhabitants)
49 Km W of Catania (314555 inhabitants)
56 Km NE of Gela (75827 inhabitants)
57 Km W of Acireale (52622 inhabitants)
63 Km N of Vittoria (63339 inhabitants)
68 Km N of Ragusa (73313 inhabitants)
76 Km N of Modica (54633 inhabitants)
85 Km NW of Siracusa (122291 inhabitants)
87 Km E of Agrigento (59770 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 1.5 2022-08-15
13:32:44
37.52 14.5327 38 2023-01-31
19:03:46
Bollettino Sismico Italiano INGV 109883051
Reviewed
Rev100
ML 1.6 2022-08-15
13:32:44
37.5227 14.5248 36 2022-08-15
13:43:08
Sala Sismica INGV-Roma 108571601
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-08-15 13:32:44 ± 0.15
Latitude 37.5200 ± 0.0117
Longitude 14.5327 ± 0.0227
Depth (km) 38 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 109883051

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2076
Semi-minor axis of confidence ellipse (meter) 997
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 248
Circular confidence region, given by single value of horizontal uncertainty (meter) 2080.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 114
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 13
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) 0.19245
Epicentral distance of station farthest from the epicenter (degree) 0.56208
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 109883051
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-01-09 16:11:15

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 108571601
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-08-15 13:43:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SSY.HHZ. 2022-08-15T13:33:06.11 0.6 undecidable manual S 130 62.3931 54 0.86 36
IV.MSFR.HHE. 2022-08-15T13:33:03.84 0.6 undecidable manual S 5 57.1983 54 -0.3 45
IV.HVZN.HHZ. 2022-08-15T13:33:01.21 0.6 undecidable manual S 157 41.2254 129 0.6 42
IV.RAFF.HHZ. 2022-08-15T13:32:59.33 0.6 undecidable manual S 205 36.2415 133 -0.28 45
IV.HLNI.HHE. 2022-08-15T13:32:59.57 0.6 undecidable manual S 122 35.4423 134 0.12 47
IV.GALF.HHZ. 2022-08-15T13:32:57.41 0.6 undecidable manual S 8 21.3675 148 0.34 46
IV.SSY.HHZ. 2022-08-15T13:32:56.33 0.1 undecidable manual P 130 62.3931 54 -0.16 90
IV.MSFR.HHE. 2022-08-15T13:32:55.85 0.1 undecidable manual P 5 57.1983 54 0 94
IV.RESU.HHZ. 2022-08-15T13:32:54.92 0.6 undecidable manual P 289 44.1225 127 0.75 40
IV.HVZN.HHZ. 2022-08-15T13:32:53.61 0.1 negative manual P 157 41.2254 129 -0.2 93
IV.RAFF.HHZ. 2022-08-15T13:32:53.13 0.1 positive manual P 205 36.2415 133 -0.1 95
IV.HLNI.HHE. 2022-08-15T13:32:52.73 0.1 negative manual P 122 35.4423 134 -0.41 90
IV.GALF.HHZ. 2022-08-15T13:32:51.76 0.1 positive manual P 8 21.3675 148 0 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GALF.HHN. ML:1.2 0.000053712685 1.8368 AML other m 2022-08-15T13:32:57.77
IV.GALF.HHE. ML:1.3 0.000064031425 1.0624 AML other m 2022-08-15T13:32:57.47
IV.RAFF.HHN. ML:1.1 0.000030348155 1.0368 AML other m 2022-08-15T13:32:59.96
IV.HVZN.HHE. ML:1.3 0.000046077565 0.96 AML other m 2022-08-15T13:33:01.03
IV.SSY.HHE. ML:2.1 0.00020248385 0.7168 AML other m 2022-08-15T13:33:06.21
IV.SSY.HNE. ML:1.7 0.00007706851000000001 1.0304 AML other m 2022-08-15T13:33:06.73
IV.SSY.HNN. ML:1.5 0.00005370412 0.16 AML other m 2022-08-15T13:33:06.79
IV.SSY.HHN. ML:1.9 0.0001335923 0.5376 AML other m 2022-08-15T13:33:06.53
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