A magnitude ML 2.3 earthquake occured in region: 2 km W Modica (RG), on
and geographic coordinates (lat, lon) 36.8620, 14.7360 at 22 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.
Municipality | Region | Distance (km) | Inhabitants | Cumulative Inhabitants |
---|---|---|---|---|
Modica | RG | 2 | 54633 | 54633 |
Ragusa | RG | 7 | 73313 | 127946 |
Scicli | RG | 8 | 27077 | 155023 |
Comiso | RG | 15 | 30156 | 185179 |
Ispica | RG | 17 | 16061 | 201240 |
Pozzallo | RG | 18 | 19552 | 220792 |
Santa Croce Camerina | RG | 19 | 10823 | 231615 |
Chiaramonte Gulfi | RG | 19 | 8238 | 239853 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 2.3 | 2021-12-12 19:54:26 |
36.8625 | 14.7358 | 22 | 2022-03-30 13:04:29 |
Bollettino Sismico Italiano INGV | 99684031 |
Reviewed Rev100 |
ML 2.3 | 2021-12-12 19:54:26 |
36.8603 | 14.7183 | 20 | 2021-12-12 20:01:29 |
Sala Sismica INGV-Roma | 98439731 |
Field | Value |
---|---|
Time (UTC) | 2021-12-12 19:54:26 ± 0.15 |
Latitude | 36.8625 ± 0.0063 |
Longitude | 14.7358 ± 0.0067 |
Depth (km) | 22 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 99684031 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 668 |
Semi-minor axis of confidence ellipse (meter) | 136 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 15 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 670.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 139 |
Number of associated phases, regardless of their use for origin computation | 25 |
Number of defining phases | 25 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.28 |
Epicentral distance of station closest to the epicenter (degree) | 0.10342 |
Epicentral distance of station farthest from the epicenter (degree) | 0.68438 |
Number of stations at which the event was observed | 13 |
Number of stations from which data was used for origin computation | 13 |
Field | Value |
---|---|
Value | 2.3 |
Uncertainty | 0.3 |
Num. used stations | 27 |
Type of magnitude | ML |
Reference to an origin | 98439731 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-12-12 20:01:29 |
Field | Value |
---|---|
Value | 2.3 |
Uncertainty | 0.3 |
Num. used stations | 27 |
Type of magnitude | ML |
Reference to an origin | 99684031 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2022-01-31 11:57:28 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.HAGA.HHZ. | 2021-12-12T19:54:45.44 | 0.6 | undecidable | manual | S | 38 | 59.7957 | 103 | 0.09 | 45 |
IV.HLNI.HHZ. | 2021-12-12T19:54:44.09 | 0.6 | undecidable | manual | S | 13 | 55.2003 | 104 | -0.07 | 46 |
IV.RAFF.HHZ. | 2021-12-12T19:54:44.33 | 0.6 | undecidable | manual | S | 320 | 51.8037 | 105 | 1.04 | 33 |
IV.HCRL.HHZ. | 2021-12-12T19:54:44.20 | 0.6 | undecidable | manual | S | 29 | 53.502 | 104 | 0.48 | 42 |
IT.LNT.HGZ. | 2021-12-12T19:54:43.79 | 0.6 | undecidable | manual | S | 26 | 52.8027 | 105 | 0.25 | 44 |
IV.HSRS.HHZ. | 2021-12-12T19:54:42.95 | 0.6 | undecidable | manual | S | 59 | 50.1165 | 105 | 0.12 | 46 |
IV.SSY.HHZ. | 2021-12-12T19:54:42.13 | 0.6 | undecidable | manual | S | 42 | 44.3223 | 108 | 0.76 | 38 |
IV.CLTA.HHZ. | 2021-12-12T19:54:40.51 | 0.1 | undecidable | manual | P | 296 | 75.9684 | 99 | 0.62 | 77 |
IV.HVZN.HHZ. | 2021-12-12T19:54:39.04 | 0.6 | undecidable | manual | S | 357 | 35.0427 | 114 | -0.01 | 48 |
IV.HLNI.HHZ. | 2021-12-12T19:54:36.53 | 0.1 | undecidable | manual | P | 13 | 55.2003 | 104 | -0.22 | 89 |
IV.HVIT.HHZ. | 2021-12-12T19:54:36.16 | 0.6 | undecidable | manual | S | 307 | 23.8539 | 125 | -0.28 | 47 |
IV.RAFF.HHZ. | 2021-12-12T19:54:36.52 | 0.1 | undecidable | manual | P | 320 | 51.8037 | 105 | 0.28 | 89 |
IV.HAGA.HHZ. | 2021-12-12T19:54:36.99 | 0.1 | undecidable | manual | P | 38 | 59.7957 | 103 | -0.44 | 84 |
IV.HCRL.HHZ. | 2021-12-12T19:54:36.48 | 0.1 | undecidable | manual | P | 29 | 53.502 | 104 | -0.02 | 93 |
IT.LNT.HGZ. | 2021-12-12T19:54:36.25 | 0.3 | undecidable | manual | P | 26 | 52.8027 | 105 | -0.14 | 68 |
IV.CROCE.HNZ. | 2021-12-12T19:54:35.00 | 0.6 | undecidable | manual | S | 260 | 18.1707 | 134 | -0.26 | 48 |
IV.HSRS.HHZ. | 2021-12-12T19:54:35.70 | 0.1 | undecidable | manual | P | 59 | 50.1165 | 105 | -0.28 | 88 |
IV.SSY.HHZ. | 2021-12-12T19:54:35.22 | 0.1 | undecidable | manual | P | 42 | 44.3223 | 108 | 0.08 | 94 |
IV.ISPIC.HNZ. | 2021-12-12T19:54:35.37 | 0.6 | undecidable | manual | S | 121 | 17.4714 | 135 | 0.25 | 47 |
IV.HMDC.HHZ. | 2021-12-12T19:54:34.29 | 0.6 | undecidable | manual | S | 21 | 11.4774 | 148 | 0.16 | 48 |
IV.HVZN.HHZ. | 2021-12-12T19:54:33.49 | 0.1 | undecidable | manual | P | 357 | 35.0427 | 114 | -0.31 | 91 |
IV.CROCE.HNZ. | 2021-12-12T19:54:31.38 | 0.1 | undecidable | manual | P | 260 | 18.1707 | 134 | -0.23 | 95 |
IV.HVIT.HHZ. | 2021-12-12T19:54:31.99 | 0.1 | negative | manual | P | 307 | 23.8539 | 125 | -0.29 | 93 |
IV.ISPIC.HNZ. | 2021-12-12T19:54:31.60 | 0.1 | undecidable | manual | P | 121 | 17.4714 | 135 | 0.07 | 98 |
IV.HMDC.HHZ. | 2021-12-12T19:54:30.96 | 0.1 | positive | manual | P | 21 | 11.4774 | 148 | 0 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.HMDC.HHE. | ML:2.6 | 0.0023994869999999996 | 0.0896 | AML | other | m | 2021-12-12T19:54:34.56 |
IV.HMDC.HNE. | ML:2.5 | 0.0019299999999999999 | 0.42 | AML | other | m | 2021-12-12T19:54:34.56 |
IV.HMDC.HHN. | ML:2.8 | 0.003835 | 0.4 | AML | other | m | 2021-12-12T19:54:34.49 |
IV.HMDC.HNN. | ML:2.6 | 0.00283 | 0.4 | AML | other | m | 2021-12-12T19:54:34.49 |
IV.CROCE.HNN. | ML:2.1 | 0.0007785 | 0.5 | AML | other | m | 2021-12-12T19:54:35.42 |
IV.CROCE.HHN. | ML:2.0 | 0.000603 | 0.52 | AML | other | m | 2021-12-12T19:54:35.43 |
IV.ISPIC.HNN. | ML:2.3 | 0.0012549999999999998 | 0.16 | AML | other | m | 2021-12-12T19:54:35.70 |
IV.ISPIC.EHN. | ML:2.3 | 0.0011870000000000001 | 0.16 | AML | other | m | 2021-12-12T19:54:35.70 |
IV.ISPIC.EHE. | ML:2.2 | 0.00103 | 0.18 | AML | other | m | 2021-12-12T19:54:35.71 |
IV.ISPIC.HNE. | ML:2.2 | 0.0009 | 0.18 | AML | other | m | 2021-12-12T19:54:35.71 |
IV.CROCE.HNE. | ML:1.9 | 0.000402 | 1.12 | AML | other | m | 2021-12-12T19:54:35.42 |
IV.CROCE.HHE. | ML:1.8 | 0.0003515 | 1.12 | AML | other | m | 2021-12-12T19:54:35.42 |
IV.HVIT.HHN. | ML:2.1 | 0.0005484999999999999 | 0.06 | AML | other | m | 2021-12-12T19:54:36.46 |
IV.HVIT.HHE. | ML:2.0 | 0.000477 | 0.62 | AML | other | m | 2021-12-12T19:54:37.60 |
IV.HVZN.HHE. | ML:2.2 | 0.000527 | 0.4 | AML | other | m | 2021-12-12T19:54:40.84 |
IV.HVZN.HHN. | ML:2.2 | 0.0006080000000000001 | 0.42 | AML | other | m | 2021-12-12T19:54:41.73 |
IV.SSY.HHE. | ML:2.6 | 0.001153 | 0.96 | AML | other | m | 2021-12-12T19:54:42.25 |
IV.SSY.HHN. | ML:3.2 | 0.003945 | 1.2 | AML | other | m | 2021-12-12T19:54:42.89 |
IV.SSY.HNN. | ML:2.6 | 0.00106 | 1.16 | AML | other | m | 2021-12-12T19:54:42.89 |
IV.SSY.HNE. | ML:2.6 | 0.00115 | 1.22 | AML | other | m | 2021-12-12T19:54:42.90 |
IV.HSRS.HHN. | ML:1.9 | 0.00018176167 | 0.256 | AML | other | m | 2021-12-12T19:54:43.21 |
IV.HCRL.HHN. | ML:2.4 | 0.000557 | 0.38 | AML | other | m | 2021-12-12T19:54:44.53 |
IV.HLNI.HHN. | ML:2.2 | 0.00032250000000000003 | 0.8 | AML | other | m | 2021-12-12T19:54:44.37 |
IV.HCRL.HHE. | ML:2.4 | 0.0006464999999999999 | 0.66 | AML | other | m | 2021-12-12T19:54:45.49 |
IV.HLNI.HHE. | ML:2.4 | 0.0006065 | 1.1 | AML | other | m | 2021-12-12T19:54:45.07 |
IV.HAGA.HHE. | ML:2.2 | 0.00031800000000000003 | 0.24 | AML | other | m | 2021-12-12T19:54:46.22 |
IV.HAGA.HHN. | ML:2.3 | 0.0003575 | 0.62 | AML | other | m | 2021-12-12T19:54:46.34 |