A magnitude ML 1.9 earthquake occured in region: Costa Siracusana (Siracusa), on
and geographic coordinates (lat, lon) 37.1800, 15.4070 at 15 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 |
---|---|---|---|---|
Siracusa | SR | 17 | 122291 | 122291 |
Augusta | SR | 18 | 36305 | 158596 |
Priolo Gargallo | SR | 20 | 12091 | 170687 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.9 | 2020-10-19 23:30:47 |
37.1797 | 15.4073 | 15 | 2021-02-26 14:56:18 |
Bollettino Sismico Italiano INGV | 86889221 |
Reviewed Rev100 |
ML 1.9 | 2020-10-19 23:30:46 |
37.1928 | 15.4148 | 16 | 2020-10-19 23:34:30 |
Sala Sismica INGV-Roma | 83926261 |
Field | Value |
---|---|
Time (UTC) | 2020-10-19 23:30:47 ± 0.23 |
Latitude | 37.1797 ± 0.0063 |
Longitude | 15.4073 ± 0.0135 |
Depth (km) | 15 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 86889221 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1211 |
Semi-minor axis of confidence ellipse (meter) | 296 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 266 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1210.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 274 |
Number of associated phases, regardless of their use for origin computation | 22 |
Number of defining phases | 22 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.29 |
Epicentral distance of station closest to the epicenter (degree) | 0.16278 |
Epicentral distance of station farthest from the epicenter (degree) | 0.83277 |
Number of stations at which the event was observed | 11 |
Number of stations from which data was used for origin computation | 11 |
Field | Value |
---|---|
Value | 1.9 |
Uncertainty | 0.2 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 83926261 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-10-19 23:34:30 |
Field | Value |
---|---|
Value | 1.9 |
Uncertainty | 0.3 |
Num. used stations | 16 |
Type of magnitude | ML |
Reference to an origin | 86889221 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-02-06 18:32:17 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.RAFF.HHZ. | 2020-10-19T23:31:15.73 | 0.6 | undecidable | manual | S | 273 | 92.4408 | 93 | 1.49 | 26 |
IV.ACATE.EHZ. | 2020-10-19T23:31:11.82 | 0.6 | undecidable | manual | S | 258 | 82.0512 | 93 | 0.35 | 43 |
IV.HPAC.HHZ. | 2020-10-19T23:31:06.61 | 0.6 | undecidable | manual | S | 212 | 61.6938 | 95 | 0.55 | 42 |
IV.HVZN.HNZ. | 2020-10-19T23:31:06.20 | 0.3 | undecidable | manual | S | 270 | 61.1943 | 95 | 0.3 | 67 |
IV.HMDC.HNN. | 2020-10-19T23:31:05.20 | 0.6 | undecidable | manual | S | 246 | 60.3951 | 95 | -0.51 | 40 |
IV.RAFF.HHZ. | 2020-10-19T23:31:03.09 | 0.3 | undecidable | manual | P | 273 | 92.4408 | 93 | 0.33 | 62 |
IV.HLNI.HHZ. | 2020-10-19T23:31:02.57 | 0.6 | undecidable | manual | S | 292 | 50.8158 | 96 | -0.6 | 40 |
IV.ACATE.EHZ. | 2020-10-19T23:31:00.57 | 0.3 | undecidable | manual | P | 258 | 82.0512 | 93 | -0.59 | 56 |
IV.HCRL.HHZ. | 2020-10-19T23:30:59.23 | 0.3 | undecidable | manual | S | 289 | 35.0427 | 101 | 0.24 | 71 |
IV.HVZN.HNZ. | 2020-10-19T23:30:58.08 | 0.3 | undecidable | manual | P | 270 | 61.1943 | 95 | 0.13 | 69 |
IV.HAVL.HHZ. | 2020-10-19T23:30:58.79 | 0.6 | undecidable | manual | S | 226 | 35.1426 | 100 | -0.22 | 46 |
IV.HPAC.HHZ. | 2020-10-19T23:30:58.06 | 0.1 | undecidable | manual | P | 212 | 61.6938 | 95 | 0.03 | 92 |
IV.SSY.HHZ. | 2020-10-19T23:30:57.54 | 0.3 | undecidable | manual | S | 265 | 29.5482 | 104 | -0.03 | 72 |
IV.HMDC.HNN. | 2020-10-19T23:30:57.53 | 0.3 | undecidable | manual | P | 246 | 60.3951 | 95 | -0.31 | 64 |
IV.HLNI.HHZ. | 2020-10-19T23:30:56.08 | 0.1 | undecidable | manual | P | 292 | 50.8158 | 96 | -0.29 | 88 |
IV.HAGA.HHZ. | 2020-10-19T23:30:56.41 | 0.3 | undecidable | manual | S | 298 | 25.1526 | 107 | -0.02 | 73 |
IV.AGST.EHZ. | 2020-10-19T23:30:54.56 | 0.3 | undecidable | manual | S | 298 | 18.0708 | 118 | -0.11 | 73 |
IV.HCRL.HHZ. | 2020-10-19T23:30:53.97 | 0.1 | undecidable | manual | P | 289 | 35.0427 | 101 | 0.01 | 96 |
IV.SSY.HHZ. | 2020-10-19T23:30:53.05 | 0.3 | undecidable | manual | P | 265 | 29.5482 | 104 | -0.09 | 71 |
IV.HAVL.HHZ. | 2020-10-19T23:30:53.99 | 0.1 | undecidable | manual | P | 226 | 35.1426 | 100 | 0.02 | 96 |
IV.HAGA.HHZ. | 2020-10-19T23:30:52.41 | 0.1 | undecidable | manual | P | 298 | 25.1526 | 107 | -0.07 | 97 |
IV.AGST.EHZ. | 2020-10-19T23:30:51.54 | 0.1 | negative | manual | P | 298 | 18.0708 | 118 | 0.08 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.AGST.EHN. | ML:1.7 | 0.00036120345 | 0.2048 | AML | other | m | 2020-10-19T23:30:54.70 |
IV.AGST.EHE. | ML:1.8 | 0.00038893090000000004 | 0.1792 | AML | other | m | 2020-10-19T23:30:54.79 |
IV.SSY.HHN. | ML:2.5 | 0.0015246305 | 0.2176 | AML | other | m | 2020-10-19T23:30:58.40 |
IV.SSY.HHE. | ML:2.0 | 0.00045056196500000003 | 0.1664 | AML | other | m | 2020-10-19T23:30:58.33 |
IV.HCRL.HHE. | ML:2.0 | 0.00033850000000000004 | 0.2 | AML | other | m | 2020-10-19T23:30:59.41 |
IV.HCRL.HHN. | ML:1.9 | 0.0003165 | 0.14 | AML | other | m | 2020-10-19T23:30:59.32 |
IV.HAVL.HHN. | ML:1.9 | 0.00029670795 | 0.256 | AML | other | m | 2020-10-19T23:30:59.61 |
IV.HAVL.HHE. | ML:1.8 | 0.00023605599999999998 | 0.1792 | AML | other | m | 2020-10-19T23:31:01.00 |
IV.HLNI.HHN. | ML:1.9 | 0.0001945 | 0.12 | AML | other | m | 2020-10-19T23:31:03.39 |
IV.HLNI.HHE. | ML:1.8 | 0.000152 | 0.1 | AML | other | m | 2020-10-19T23:31:03.40 |
IV.HAGA.HHE. | ML:1.1 | 0.000063334422 | 0.0512 | AML | other | m | 2020-10-19T23:30:57.51 |
IV.HAGA.HHN. | ML:1.2 | 0.00008255865650000001 | 0.1024 | AML | other | m | 2020-10-19T23:30:57.15 |
IV.ACATE.EHE. | ML:1.8 | 0.00008051045500000001 | 0.96 | AML | other | m | 2020-10-19T23:31:23.52 |
IV.ACATE.HNN. | ML:2.1 | 0.00017156553 | 0.64 | AML | other | m | 2020-10-19T23:31:32.26 |
IV.ACATE.EHN. | ML:1.9 | 0.00009532090000000001 | 0.3072 | AML | other | m | 2020-10-19T23:31:15.17 |
IV.ACATE.HNE. | ML:2.1 | 0.00015260380000000002 | 0.6016 | AML | other | m | 2020-10-19T23:31:18.96 |