A magnitude ML 2.0 earthquake occured in region: 3 km NW Salaparuta (TP), on
and geographic coordinates (lat, lon) 37.7730, 12.9790 at 13 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 |
---|---|---|---|---|
Salaparuta | TP | 3 | 1696 | 1696 |
Poggioreale | TP | 5 | 1494 | 3190 |
Montevago | AG | 8 | 3006 | 6196 |
Santa Ninfa | TP | 9 | 5043 | 11239 |
Partanna | TP | 10 | 10607 | 21846 |
Santa Margherita di Belice | AG | 10 | 6363 | 28209 |
Gibellina | TP | 10 | 4115 | 32324 |
Salemi | TP | 16 | 10794 | 43118 |
Roccamena | PA | 17 | 1505 | 44623 |
Camporeale | PA | 17 | 3373 | 47996 |
Vita | TP | 18 | 2056 | 50052 |
Sambuca di Sicilia | AG | 18 | 5877 | 55929 |
Contessa Entellina | PA | 19 | 1766 | 57695 |
Calatafimi-Segesta | TP | 19 | 6712 | 64407 |
Castelvetrano | TP | 19 | 31806 | 96213 |
Menfi | AG | 19 | 12592 | 108805 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 2.0 | 2021-04-23 21:12:24 |
37.7732 | 12.979 | 13 | 2021-07-12 16:55:15 |
Bollettino Sismico Italiano INGV | 91373911 |
Reviewed Rev100 |
ML 1.9 | 2021-04-23 21:12:25 |
37.82 | 12.9257 | 4 | 2021-04-23 21:28:15 |
Sala Sismica INGV-Roma | 89414521 |
Field | Value |
---|---|
Time (UTC) | 2021-04-23 21:12:24 ± 0.2 |
Latitude | 37.7732 ± 0.0108 |
Longitude | 12.9790 ± 0.0148 |
Depth (km) | 13 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 91373911 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1481 |
Semi-minor axis of confidence ellipse (meter) | 503 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 226 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1480.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 86 |
Number of associated phases, regardless of their use for origin computation | 18 |
Number of defining phases | 18 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.5 |
Epicentral distance of station closest to the epicenter (degree) | 0.03507 |
Epicentral distance of station farthest from the epicenter (degree) | 0.61244 |
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 | 2.0 |
Uncertainty | 0.2 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 91373911 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-06-16 13:58:23 |
Field | Value |
---|---|
Value | 1.9 |
Uncertainty | 0.2 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 89414521 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-04-23 21:28:15 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ALJA.HHZ. | 2021-04-23T21:12:39.18 | 0.3 | undecidable | manual | P | 92 | 67.9764 | 92 | 2.85 | 9 |
IV.MARS.EHZ. | 2021-04-23T21:12:37.84 | 0.6 | undecidable | manual | S | 267 | 36.4413 | 95 | 1.22 | 32 |
IV.LEVAN.EHZ. | 2021-04-23T21:12:36.62 | 0.3 | undecidable | manual | P | 294 | 60.495 | 92 | 1.44 | 41 |
MN.CLTB.HHN. | 2021-04-23T21:12:35.30 | 0.3 | undecidable | manual | S | 136 | 30.0477 | 97 | 0.37 | 69 |
IV.SOLUN.HHZ. | 2021-04-23T21:12:35.44 | 1.0 | undecidable | manual | P | 54 | 59.9955 | 92 | 0.34 | 22 |
IV.SCIAC.HHN. | 2021-04-23T21:12:34.96 | 0.6 | undecidable | manual | S | 159 | 30.4473 | 96 | -0.08 | 48 |
IV.MPG.HHE. | 2021-04-23T21:12:34.98 | 1.0 | undecidable | manual | P | 38 | 54.501 | 93 | 0.73 | 20 |
IV.MTGR.HHZ. | 2021-04-23T21:12:32.74 | 0.3 | undecidable | manual | S | 305 | 23.4543 | 100 | -0.44 | 68 |
IV.MBFT.HHZ. | 2021-04-23T21:12:31.28 | 0.3 | undecidable | manual | S | 353 | 19.3695 | 105 | -0.84 | 59 |
IV.MARS.EHZ. | 2021-04-23T21:12:31.82 | 0.1 | undecidable | manual | P | 267 | 36.4413 | 95 | 0.35 | 91 |
MN.CLTB.HHN. | 2021-04-23T21:12:30.29 | 0.1 | negative | manual | P | 136 | 30.0477 | 97 | -0.2 | 94 |
IV.SCIAC.HHN. | 2021-04-23T21:12:30.27 | 0.1 | negative | manual | P | 159 | 30.4473 | 96 | -0.28 | 92 |
IV.CRJA.HHZ. | 2021-04-23T21:12:29.34 | 0.3 | undecidable | manual | S | 35 | 3.8961 | 159 | 0.37 | 71 |
IV.MMGO.HHN. | 2021-04-23T21:12:29.81 | 0.3 | undecidable | manual | S | 181 | 12.3765 | 123 | -0.6 | 67 |
IV.MTGR.HHZ. | 2021-04-23T21:12:29.19 | 0.1 | undecidable | manual | P | 305 | 23.4543 | 100 | -0.3 | 93 |
IV.MBFT.HHZ. | 2021-04-23T21:12:28.51 | 0.1 | negative | manual | P | 353 | 19.3695 | 105 | -0.36 | 93 |
IV.MMGO.HHN. | 2021-04-23T21:12:27.71 | 0.1 | positive | manual | P | 181 | 12.3765 | 123 | -0.17 | 98 |
IV.CRJA.HHZ. | 2021-04-23T21:12:27.20 | 0.1 | undecidable | manual | P | 35 | 3.8961 | 159 | 0.15 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.CRJA.HHN. | ML:2.5 | 0.0042806065 | 0.1408 | AML | other | m | 2021-04-23T21:12:28.28 |
IV.CRJA.HHE. | ML:2.6 | 0.006044636000000001 | 0.0768 | AML | other | m | 2021-04-23T21:12:28.49 |
IV.MBFT.HHN. | ML:1.8 | 0.00046385255000000003 | 0.3584 | AML | other | m | 2021-04-23T21:12:31.67 |
IV.MBFT.HHE. | ML:1.9 | 0.0005989999999999999 | 1.14 | AML | other | m | 2021-04-23T21:12:32.74 |
IV.MTGR.HHN. | ML:1.9 | 0.00043813219999999995 | 0.1536 | AML | other | m | 2021-04-23T21:12:34.30 |
IV.SOLUN.HHN. | ML:1.9 | 0.0001555 | 0.96 | AML | other | m | 2021-04-23T21:12:49.92 |
IV.SOLUN.HHE. | ML:2.0 | 0.0001915 | 0.36 | AML | other | m | 2021-04-23T21:12:50.44 |
IV.LEVAN.EHN. | ML:1.8 | 0.00012240000000000002 | 0.48 | AML | other | m | 2021-04-23T21:12:50.46 |
IV.ALJA.HHE. | ML:2.0 | 0.000161 | 0.6 | AML | other | m | 2021-04-23T21:12:57.70 |
IV.ALJA.HHN. | ML:1.8 | 0.00010065000000000001 | 1.44 | AML | other | m | 2021-04-23T21:12:58.82 |