Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 25-06-2022 and time 16:07:31 (UTC) in region Costa Ragusana (Ragusa)

A magnitude ML 2.2 earthquake occured in region: Costa Ragusana (Ragusa), on

  • 25-06-2022 16:07:31 (UTC)
  • 25-06-2022 18:07:31 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 36.4920, 14.8240 at 7 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

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km S of Modica (54633 inhabitants)
49 Km S of Ragusa (73313 inhabitants)
57 Km SE of Vittoria (63339 inhabitants)
76 Km SW of Siracusa (122291 inhabitants)
82 Km SE of Gela (75827 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 2.2 2022-06-25
16:07:31		 36.4915 14.8245 7 2023-01-31
19:03:19		 Bollettino Sismico Italiano INGV 106546831
Reviewed
Rev100 		ML 1.9 2022-06-25
16:07:31		 36.4902 14.8182 7 2022-06-25
16:19:38		 Sala Sismica INGV-Roma 106485151
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-06-25 16:07:31 ± 0.32
Latitude 36.4915 ± 0.0135
Longitude 14.8245 ± 0.0145
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 106546831

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1580
Semi-minor axis of confidence ellipse (meter) 1169
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 150
Circular confidence region, given by single value of horizontal uncertainty (meter) 1580.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 299
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.29588
Epicentral distance of station farthest from the epicenter (degree) 0.85705
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:2.2

Field Value
Value 2.2
Uncertainty 0.4
Num. used stations 13
Type of magnitude ML
Reference to an origin 106546831
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-12-05 13:28:34

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 106485151
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-06-25 16:19:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HLNI.HHZ. 2022-06-25T16:08:00.07 0.6 undecidable manual S 3 95.1381 50 0.18 45
IV.SSY.HHZ. 2022-06-25T16:07:55.69 0.6 undecidable manual S 17 77.1672 50 0.61 41
IV.HVIT.HHE. 2022-06-25T16:07:51.36 0.6 undecidable manual S 334 61.7937 50 0.38 45
IV.HAVL.HHZ. 2022-06-25T16:07:49.64 0.6 undecidable manual S 27 58.2972 50 -0.41 46
IV.HMDC.HHZ. 2022-06-25T16:07:47.92 0.6 undecidable manual S 356 52.0035 50 -0.45 46
IV.HLNI.HHZ. 2022-06-25T16:07:47.60 0.3 undecidable manual P 3 95.1381 50 -0.18 67
IV.CROCE.HHE. 2022-06-25T16:07:46.72 0.6 undecidable manual S 326 45.8208 50 0 51
IV.SSY.HHZ. 2022-06-25T16:07:45.35 0.3 undecidable manual P 17 77.1672 50 0.35 67
IV.HAVL.HHZ. 2022-06-25T16:07:42.09 0.3 undecidable manual P 27 58.2972 50 0 74
IV.ISPIC.EHZ. 2022-06-25T16:07:42.70 0.6 undecidable manual S 12 32.8449 103 -0.2 50
IV.HVIT.HHE. 2022-06-25T16:07:42.43 0.3 undecidable manual P 334 61.7937 50 -0.2 71
IV.CROCE.HHE. 2022-06-25T16:07:40.22 0.3 undecidable manual P 326 45.8208 50 0.05 75
IV.HMDC.HHZ. 2022-06-25T16:07:40.83 0.3 undecidable manual P 356 52.0035 50 -0.3 71
IV.ISPIC.EHZ. 2022-06-25T16:07:38.15 0.1 undecidable manual P 12 32.8449 103 0.18 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ISPIC.EHE. ML:2.7 0.0023020230000000003 0.1792 AML other m 2022-06-25T16:07:42.97
IV.ISPIC.EHN. ML:2.2 0.0008374817999999999 0.2176 AML other m 2022-06-25T16:07:45.65
IV.HMDC.HHE. ML:1.6 0.00009440000000000002 0.94 AML other m 2022-06-25T16:07:51.48
IV.HMDC.HNE. ML:2.0 0.0002535 1.4 AML other m 2022-06-25T16:07:52.79
IV.HAVL.HHN. ML:1.6 0.0000956 0.22 AML other m 2022-06-25T16:07:52.67
IV.HMDC.HHN. ML:2.2 0.0003535 0.9 AML other m 2022-06-25T16:07:53.14
IV.HMDC.HNN. ML:2.2 0.000433 0.88 AML other m 2022-06-25T16:07:53.14
IV.HAVL.HHE. ML:1.6 0.0000808 0.16 AML other m 2022-06-25T16:07:54.75
IV.SSY.HHE. ML:2.9 0.0010645 0.38 AML other m 2022-06-25T16:07:56.71
IV.SSY.HNE. ML:2.4 0.000348 0.44 AML other m 2022-06-25T16:07:57.91
IV.SSY.HHN. ML:2.9 0.00108 0.3 AML other m 2022-06-25T16:07:57.98
IV.SSY.HNN. ML:2.4 0.000359 0.32 AML other m 2022-06-25T16:07:57.83
IV.HLNI.HHN. ML:1.9 0.000080257105 0.1408 AML other m 2022-06-25T16:08:02.89
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