A magnitude ML 1.7 earthquake occured in region: Costa Siracusana (Siracusa), on
and geographic coordinates (lat, lon) 37.2070, 15.5150 at 29 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 1.7 | 2015-05-26 15:55:09 |
37.2073 | 15.5148 | 29 | 2016-01-08 08:44:50 |
Bollettino Sismico Italiano INGV | 20323511 |
Reviewed Rev100 |
ML 1.7 | 2015-05-26 15:55:09 |
37.2028 | 15.5243 | 28 | 2015-05-26 16:03:08 |
Sala Sismica INGV-Roma | 19365661 |
Field | Value |
---|---|
Time (UTC) | 2015-05-26 15:55:09 ± 0.28 |
Latitude | 37.2073 ± 0.0162 |
Longitude | 15.5148 ± 0.0135 |
Depth (km) | 29 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 20323511 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1776 |
Semi-minor axis of confidence ellipse (meter) | 296 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 7 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1780.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 306 |
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) | 0.23 |
Epicentral distance of station closest to the epicenter (degree) | 0.23382 |
Epicentral distance of station farthest from the epicenter (degree) | 0.63402 |
Number of stations at which the event was observed | 7 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.1 |
Num. used stations | 1 |
Type of magnitude | ML |
Reference to an origin | 20323511 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2015-07-16 08:38:23 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.1 |
Num. used stations | 1 |
Type of magnitude | ML |
Reference to an origin | 19365661 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2015-05-26 16:03:08 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.HMDC.HHE. | 2015-05-26T15:55:31.74 | 0.3 | undecidable | manual | S | 247 | 70.374 | 107 | -0.14 | 73 |
IV.MEU.SHE. | 2015-05-26T15:55:29.45 | 0.6 | undecidable | manual | S | 260 | 61.494 | 110 | -0.18 | 49 |
IV.HLNI.HHZ. | 2015-05-26T15:55:29.04 | 0.3 | undecidable | manual | S | 286 | 58.8966 | 111 | 0.07 | 73 |
IV.HAVL.HHZ. | 2015-05-26T15:55:25.53 | 0.3 | undecidable | manual | S | 232 | 44.3223 | 118 | 0.1 | 75 |
IV.SSY.HHZ. | 2015-05-26T15:55:24.37 | 0.3 | undecidable | manual | S | 262 | 39.3273 | 121 | 0.09 | 75 |
IV.HMDC.HHE. | 2015-05-26T15:55:22.51 | 0.3 | undecidable | manual | P | 247 | 70.374 | 107 | -0.08 | 73 |
IV.HAGA.HHZ. | 2015-05-26T15:55:22.98 | 0.6 | undecidable | manual | S | 285 | 32.9448 | 127 | 0.13 | 50 |
IV.AGST.EHE. | 2015-05-26T15:55:21.20 | 0.3 | undecidable | manual | S | 282 | 25.9518 | 134 | -0.23 | 77 |
IV.HLNI.HHZ. | 2015-05-26T15:55:21.17 | 0.3 | undecidable | manual | P | 286 | 58.8966 | 111 | 0.26 | 70 |
IV.MEU.SHE. | 2015-05-26T15:55:20.82 | 0.3 | undecidable | manual | P | 260 | 61.494 | 110 | -0.47 | 69 |
IV.SSY.HHZ. | 2015-05-26T15:55:18.52 | 0.3 | undecidable | manual | P | 262 | 39.3273 | 121 | 0.31 | 72 |
IV.HAVL.HHZ. | 2015-05-26T15:55:18.99 | 0.1 | undecidable | manual | P | 232 | 44.3223 | 118 | 0.12 | 100 |
IV.HAGA.HHZ. | 2015-05-26T15:55:17.61 | 0.3 | undecidable | manual | P | 285 | 32.9448 | 127 | 0.23 | 74 |
IV.AGST.EHE. | 2015-05-26T15:55:16.13 | 0.3 | undecidable | manual | P | 282 | 25.9518 | 134 | -0.43 | 74 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.HAVL.HHE. | ML:1.7 | 0.00011975 | 1.56 | AML | other | m | 2015-05-26T15:55:25.91 |
IV.HAVL.HHN. | ML:1.8 | 0.00014174999999999998 | 1.5 | AML | other | m | 2015-05-26T15:55:25.95 |