A magnitude ML 1.8 earthquake occured in region: Costa Siciliana centro settentrionale (Palermo), on
and geographic coordinates (lat, lon) 38.4660, 13.4280 at 10 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 1.8 | 2021-04-19 03:41:34 |
38.4657 | 13.4283 | 10 | 2021-07-12 16:55:13 |
Bollettino Sismico Italiano INGV | 90661701 |
Reviewed Rev100 |
ML 1.8 | 2021-04-19 03:41:34 |
38.4682 | 13.4613 | 5 | 2021-04-19 04:10:27 |
Sala Sismica INGV-Roma | 89241101 |
Field | Value |
---|---|
Time (UTC) | 2021-04-19 03:41:34 ± 0.2 |
Latitude | 38.4657 ± 0.0126 |
Longitude | 13.4283 ± 0.0253 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 90661701 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 2430 |
Semi-minor axis of confidence ellipse (meter) | 980 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 244 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 2430.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 169 |
Number of associated phases, regardless of their use for origin computation | 12 |
Number of defining phases | 12 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.41 |
Epicentral distance of station closest to the epicenter (degree) | 0.30847 |
Epicentral distance of station farthest from the epicenter (degree) | 0.73385 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.2 |
Num. used stations | 9 |
Type of magnitude | ML |
Reference to an origin | 90661701 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-06-22 10:02:28 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.2 |
Num. used stations | 9 |
Type of magnitude | ML |
Reference to an origin | 89241101 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-04-19 04:10:27 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.SCIAR.HHZ. | 2021-04-19T03:41:56.01 | 0.6 | undecidable | manual | S | 154 | 64.5909 | 50 | 1.33 | 30 |
IV.SOLUN.HHZ. | 2021-04-19T03:41:48.89 | 0.6 | undecidable | manual | S | 168 | 42.4242 | 50 | 0.12 | 49 |
IV.PLLN.EHE. | 2021-04-19T03:41:48.50 | 0.3 | undecidable | manual | P | 130 | 81.4518 | 50 | -0.35 | 66 |
IV.CSLB.HHE. | 2021-04-19T03:41:48.20 | 0.3 | undecidable | manual | P | 137 | 80.2641 | 50 | -0.47 | 64 |
IV.MBFT.HHE. | 2021-04-19T03:41:47.88 | 0.6 | undecidable | manual | P | 216 | 70.9734 | 50 | 0.65 | 41 |
IV.SCIAR.HHZ. | 2021-04-19T03:41:46.89 | 0.1 | undecidable | manual | P | 154 | 64.5909 | 50 | 0.63 | 83 |
IV.USI.HHZ. | 2021-04-19T03:41:46.90 | 0.3 | undecidable | manual | S | 321 | 34.4433 | 50 | 0.26 | 73 |
IV.CORL.HHE. | 2021-04-19T03:41:46.29 | 0.1 | undecidable | manual | P | 190 | 64.2912 | 50 | 0.08 | 96 |
IV.MPG.HHZ. | 2021-04-19T03:41:46.30 | 0.3 | undecidable | manual | S | 190 | 34.2435 | 50 | -0.28 | 73 |
IV.SOLUN.HHZ. | 2021-04-19T03:41:42.68 | 0.1 | undecidable | manual | P | 168 | 42.4242 | 50 | -0.16 | 98 |
IV.USI.HHZ. | 2021-04-19T03:41:41.47 | 0.1 | undecidable | manual | P | 321 | 34.4433 | 50 | -0.14 | 100 |
IV.MPG.HHZ. | 2021-04-19T03:41:41.04 | 0.1 | undecidable | manual | P | 190 | 34.2435 | 50 | -0.54 | 91 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MPG.HHN. | ML:1.5 | 0.0001352662 | 0.1392 | AML | other | m | 2021-04-19T03:41:47.29 |
IV.MPG.HHE. | ML:1.6 | 0.0001615 | 0.24 | AML | other | m | 2021-04-19T03:41:47.59 |
IV.USI.HHN. | ML:2.2 | 0.00061834045 | 0.3392 | AML | other | m | 2021-04-19T03:41:49.38 |
IV.SOLUN.HHN. | ML:1.8 | 0.00020386654999999997 | 0.3984 | AML | other | m | 2021-04-19T03:41:51.82 |
IV.SOLUN.HHE. | ML:1.7 | 0.0001464506 | 0.4608 | AML | other | m | 2021-04-19T03:41:52.38 |
IV.SCIAR.HNN. | ML:2.0 | 0.0001682005 | 1.2096 | AML | other | m | 2021-04-19T03:41:56.73 |
IV.SCIAR.HHE. | ML:1.8 | 0.00011138609999999999 | 0.3792 | AML | other | m | 2021-04-19T03:41:57.12 |
IV.SCIAR.HNE. | ML:1.8 | 0.00012539705500000002 | 0.3888 | AML | other | m | 2021-04-19T03:41:57.33 |
IV.SCIAR.HHN. | ML:1.8 | 0.000121 | 0.32 | AML | other | m | 2021-04-19T03:41:57.81 |