A magnitude ML 2.4 earthquake occured in region: Costa Siracusana (Siracusa), on
and geographic coordinates (lat, lon) 37.0170, 15.5950 at 25 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.
No Italian municipalities within 20 km distance.
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 2.4 | 2021-07-02 00:18:43 |
37.0172 | 15.5947 | 25 | 2021-12-29 11:12:13 |
Bollettino Sismico Italiano INGV | 93102621 |
Reviewed Rev100 |
ML 2.4 | 2021-07-02 00:18:44 |
37.0117 | 15.5182 | 28 | 2021-07-02 00:25:16 |
Sala Sismica INGV-Roma | 92123481 |
Field | Value |
---|---|
Time (UTC) | 2021-07-02 00:18:43 ± 0.16 |
Latitude | 37.0172 ± 0.0063 |
Longitude | 15.5947 ± 0.0090 |
Depth (km) | 25 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 93102621 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 756 |
Semi-minor axis of confidence ellipse (meter) | 472 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 72 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 760.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 287 |
Number of associated phases, regardless of their use for origin computation | 24 |
Number of defining phases | 24 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.19 |
Epicentral distance of station closest to the epicenter (degree) | 0.30667 |
Epicentral distance of station farthest from the epicenter (degree) | 0.87324 |
Number of stations at which the event was observed | 12 |
Number of stations from which data was used for origin computation | 12 |
Field | Value |
---|---|
Value | 2.4 |
Uncertainty | 0.2 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 93102621 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-11-01 14:32:53 |
Field | Value |
---|---|
Value | 2.4 |
Uncertainty | 0.2 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 92123481 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-07-02 00:25:16 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ACATE.EHZ. | 2021-07-02T00:19:12.69 | 0.3 | undecidable | manual | S | 271 | 96.9252 | 100 | 0.41 | 62 |
IV.HVIT.HHZ. | 2021-07-02T00:19:11.51 | 0.3 | undecidable | manual | S | 269 | 95.1381 | 100 | -0.3 | 64 |
IV.HVZN.HHZ. | 2021-07-02T00:19:08.13 | 0.3 | undecidable | manual | S | 283 | 79.8645 | 102 | 0.32 | 65 |
IV.HLNI.HHZ. | 2021-07-02T00:19:05.85 | 0.3 | undecidable | manual | S | 300 | 73.6707 | 103 | -0.36 | 66 |
IV.HMDC.HHZ. | 2021-07-02T00:19:05.46 | 0.6 | undecidable | manual | S | 265 | 72.1722 | 103 | -0.36 | 44 |
IV.HCRL.HHZ. | 2021-07-02T00:19:02.35 | 0.3 | undecidable | manual | S | 301 | 57.7977 | 107 | 0.23 | 69 |
IV.HPAC.HHZ. | 2021-07-02T00:19:02.75 | 0.3 | undecidable | manual | S | 235 | 60.1953 | 107 | 0.03 | 73 |
IT.LNT.HGZ. | 2021-07-02T00:19:02.90 | 0.6 | undecidable | manual | S | 300 | 60.3951 | 107 | 0.12 | 47 |
IV.ACATE.EHZ. | 2021-07-02T00:19:00.20 | 0.3 | undecidable | manual | P | 271 | 96.9252 | 100 | 0.02 | 68 |
IV.HVIT.HHZ. | 2021-07-02T00:18:59.61 | 0.3 | undecidable | manual | P | 269 | 95.1381 | 100 | -0.29 | 64 |
IV.HAGA.HHZ. | 2021-07-02T00:18:59.80 | 0.3 | undecidable | manual | S | 308 | 48.9177 | 111 | -0.08 | 74 |
IV.SSY.HHZ. | 2021-07-02T00:18:59.82 | 0.3 | undecidable | manual | S | 289 | 48.618 | 111 | 0.01 | 74 |
IV.HAVL.HHZ. | 2021-07-02T00:18:58.08 | 0.6 | undecidable | manual | S | 261 | 42.3243 | 114 | -0.18 | 48 |
IV.HVZN.HHZ. | 2021-07-02T00:18:57.55 | 0.3 | undecidable | manual | P | 283 | 79.8645 | 102 | -0.04 | 70 |
IV.HLNI.HHZ. | 2021-07-02T00:18:56.49 | 0.3 | undecidable | manual | P | 300 | 73.6707 | 103 | -0.18 | 69 |
IV.HMDC.HHZ. | 2021-07-02T00:18:56.18 | 0.3 | undecidable | manual | P | 265 | 72.1722 | 103 | -0.27 | 68 |
IV.HSRS.HNZ. | 2021-07-02T00:18:56.01 | 0.3 | undecidable | manual | S | 284 | 34.0437 | 121 | -0.28 | 72 |
IT.LNT.HGZ. | 2021-07-02T00:18:55.06 | 0.3 | undecidable | manual | P | 300 | 60.3951 | 107 | 0.37 | 67 |
IV.HCRL.HHZ. | 2021-07-02T00:18:54.46 | 0.3 | undecidable | manual | P | 301 | 57.7977 | 107 | 0.15 | 71 |
IV.HPAC.HHZ. | 2021-07-02T00:18:54.74 | 0.1 | positive | manual | P | 235 | 60.1953 | 107 | 0.09 | 96 |
IV.HAGA.HHZ. | 2021-07-02T00:18:53.14 | 0.3 | undecidable | manual | P | 308 | 48.9177 | 111 | 0.13 | 72 |
IV.SSY.HHZ. | 2021-07-02T00:18:53.12 | 0.3 | undecidable | manual | P | 289 | 48.618 | 111 | 0.14 | 72 |
IV.HAVL.HHZ. | 2021-07-02T00:18:52.10 | 0.1 | positive | manual | P | 261 | 42.3243 | 114 | 0.02 | 100 |
IV.HSRS.HNZ. | 2021-07-02T00:18:51.03 | 0.1 | undecidable | manual | P | 284 | 34.0437 | 121 | 0.09 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.HAVL.HHE. | ML:2.4 | 0.0006955 | 0.18 | AML | other | m | 2021-07-02T00:18:58.30 |
IV.HAVL.HHN. | ML:2.5 | 0.0009645 | 0.32 | AML | other | m | 2021-07-02T00:18:58.39 |
IV.SSY.HHN. | ML:3.1 | 0.00312 | 1.2 | AML | other | m | 2021-07-02T00:18:59.97 |
IV.SSY.HHE. | ML:2.7 | 0.0011200000000000001 | 0.86 | AML | other | m | 2021-07-02T00:19:00.25 |
IV.HCRL.HHE. | ML:2.2 | 0.00030000000000000003 | 1.16 | AML | other | m | 2021-07-02T00:19:03.35 |
IV.HCRL.HHN. | ML:2.1 | 0.00026649999999999997 | 0.58 | AML | other | m | 2021-07-02T00:19:04.73 |
IV.HMDC.HHE. | ML:2.5 | 0.000494 | 0.1 | AML | other | m | 2021-07-02T00:19:05.85 |
IV.HLNI.HHN. | ML:2.2 | 0.0002155 | 1.66 | AML | other | m | 2021-07-02T00:19:05.16 |
IV.HMDC.HHN. | ML:2.5 | 0.0004385 | 0.1 | AML | other | m | 2021-07-02T00:19:06.01 |
IV.HLNI.HHE. | ML:2.2 | 0.0002115 | 1.24 | AML | other | m | 2021-07-02T00:19:06.94 |
IV.HVIT.HHE. | ML:2.4 | 0.000236 | 1.7 | AML | other | m | 2021-07-02T00:19:12.03 |
IV.HVIT.HHN. | ML:2.5 | 0.00032999999999999994 | 0.78 | AML | other | m | 2021-07-02T00:19:12.33 |