A magnitude ML 2.1 earthquake occured in region: Costa Siciliana centro settentrionale (Palermo), on
and geographic coordinates (lat, lon) 38.4470, 13.4190 at 4 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 2.1 | 2021-05-15 18:49:01 |
38.4473 | 13.4193 | 4 | 2021-12-29 11:12:02 |
Bollettino Sismico Italiano INGV | 90685161 |
Reviewed Rev100 |
ML 2.1 | 2021-05-15 18:49:01 |
38.4433 | 13.3943 | 6 | 2021-05-15 19:01:47 |
Sala Sismica INGV-Roma | 90133781 |
Field | Value |
---|---|
Time (UTC) | 2021-05-15 18:49:01 ± 0.15 |
Latitude | 38.4473 ± 0.0054 |
Longitude | 13.4193 ± 0.0103 |
Depth (km) | 4 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 90685161 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 691 |
Semi-minor axis of confidence ellipse (meter) | 608 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 57 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 690.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 119 |
Number of associated phases, regardless of their use for origin computation | 20 |
Number of defining phases | 20 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.31 |
Epicentral distance of station closest to the epicenter (degree) | 0.28958 |
Epicentral distance of station farthest from the epicenter (degree) | 0.95868 |
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 | 2.1 |
Uncertainty | 0.2 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 90685161 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-10-11 14:47:25 |
Field | Value |
---|---|
Value | 2.1 |
Uncertainty | 0.3 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 90133781 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-05-15 19:01:47 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.IACL.HHE. | 2021-05-15T18:49:27.46 | 0.6 | undecidable | manual | S | 83 | 81.7515 | 50 | 0.22 | 44 |
IV.CSLB.HHZ. | 2021-05-15T18:49:26.02 | 0.6 | undecidable | manual | S | 135 | 79.365 | 50 | -0.56 | 41 |
IV.GIB.HHE. | 2021-05-15T18:49:25.29 | 0.6 | undecidable | manual | S | 134 | 73.2711 | 50 | 0.33 | 44 |
IV.MBFT.HHZ. | 2021-05-15T18:49:24.03 | 0.6 | undecidable | manual | S | 216 | 68.8755 | 50 | 0.25 | 45 |
IV.CORL.HHE. | 2021-05-15T18:49:22.63 | 0.6 | undecidable | manual | S | 189 | 62.1933 | 50 | 0.63 | 41 |
IV.LEVAN.EHE. | 2021-05-15T18:49:19.41 | 0.6 | undecidable | manual | P | 242 | 106.4157 | 50 | -0.64 | 38 |
IV.ALJA.HHZ. | 2021-05-15T18:49:17.14 | 0.3 | undecidable | manual | P | 159 | 82.7505 | 50 | 0.73 | 57 |
IV.ERC.EHE. | 2021-05-15T18:49:16.39 | 0.3 | undecidable | manual | P | 238 | 85.5477 | 50 | -0.45 | 63 |
IV.IACL.HHE. | 2021-05-15T18:49:16.84 | 0.6 | undecidable | manual | P | 83 | 81.7515 | 50 | 0.58 | 40 |
IV.CSLB.HHZ. | 2021-05-15T18:49:15.39 | 0.3 | undecidable | manual | P | 135 | 79.365 | 50 | -0.49 | 63 |
IV.SOLUN.HHZ. | 2021-05-15T18:49:15.71 | 0.6 | undecidable | manual | S | 166 | 40.626 | 95 | 0.3 | 47 |
IV.PLLN.EHZ. | 2021-05-15T18:49:15.67 | 0.3 | undecidable | manual | P | 128 | 80.7636 | 50 | -0.43 | 64 |
IV.MBFT.HHZ. | 2021-05-15T18:49:14.48 | 0.3 | undecidable | manual | P | 216 | 68.8755 | 50 | 0.21 | 68 |
IV.GIB.HHE. | 2021-05-15T18:49:14.60 | 1.0 | undecidable | manual | P | 134 | 73.2711 | 50 | -0.34 | 22 |
IV.USI.HHZ. | 2021-05-15T18:49:14.10 | 0.3 | undecidable | manual | S | 324 | 35.6421 | 96 | 0.42 | 69 |
IV.CORL.HHE. | 2021-05-15T18:49:12.97 | 0.3 | undecidable | manual | P | 189 | 62.1933 | 50 | -0.26 | 68 |
IV.MPG.HHZ. | 2021-05-15T18:49:12.54 | 0.3 | undecidable | manual | S | 189 | 32.1456 | 96 | 0.08 | 75 |
IV.SOLUN.HHZ. | 2021-05-15T18:49:09.43 | 0.1 | undecidable | manual | P | 166 | 40.626 | 95 | 0 | 100 |
IV.USI.HHZ. | 2021-05-15T18:49:08.25 | 0.1 | negative | manual | P | 324 | 35.6421 | 96 | -0.18 | 97 |
IV.MPG.HHZ. | 2021-05-15T18:49:07.62 | 0.1 | undecidable | manual | P | 189 | 32.1456 | 96 | -0.11 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MPG.HHE. | ML:2.0 | 0.0004555 | 0.34 | AML | other | m | 2021-05-15T18:49:14.55 |
IV.MPG.HHN. | ML:2.0 | 0.0005015000000000001 | 0.5 | AML | other | m | 2021-05-15T18:49:14.92 |
IV.USI.HHN. | ML:2.8 | 0.0024349999999999997 | 0.22 | AML | other | m | 2021-05-15T18:49:15.59 |
IV.USI.HHE. | ML:2.1 | 0.0005605 | 0.5 | AML | other | m | 2021-05-15T18:49:16.57 |
IV.SOLUN.HHN. | ML:2.1 | 0.00047 | 0.22 | AML | other | m | 2021-05-15T18:49:17.64 |
IV.SOLUN.HHE. | ML:2.3 | 0.0006799999999999999 | 0.72 | AML | other | m | 2021-05-15T18:49:17.67 |
IV.MBFT.HHE. | ML:1.8 | 0.00009905 | 0.4 | AML | other | m | 2021-05-15T18:49:27.46 |
IV.MBFT.HHN. | ML:1.7 | 0.00008549999999999999 | 1.04 | AML | other | m | 2021-05-15T18:49:28.25 |
IV.ALJA.HHN. | ML:1.9 | 0.000096 | 1 | AML | other | m | 2021-05-15T18:49:31.54 |
IV.ALJA.HHE. | ML:2.0 | 0.0001245 | 0.78 | AML | other | m | 2021-05-15T18:49:31.71 |
IV.PLLN.EHE. | ML:2.3 | 0.000251 | 1.38 | AML | other | m | 2021-05-15T18:49:32.97 |
IV.PLLN.EHN. | ML:2.3 | 0.00027400000000000005 | 0.84 | AML | other | m | 2021-05-15T18:49:33.88 |