A magnitude ML 1.9 earthquake occured in region: Tirreno Meridionale (MARE), on
and geographic coordinates (lat, lon) 38.4270, 15.4700 at 139 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 1.9 | 2021-02-23 22:31:36 |
38.4272 | 15.4697 | 139 | 2021-07-12 16:55:00 |
Bollettino Sismico Italiano INGV | 87601391 |
Reviewed Rev100 |
ML 1.9 | 2021-02-23 22:31:36 |
38.5708 | 15.5538 | 137 | 2021-02-23 23:00:54 |
Sala Sismica INGV-Roma | 87421531 |
Field | Value |
---|---|
Time (UTC) | 2021-02-23 22:31:36 ± 0.35 |
Latitude | 38.4272 ± 0.0243 |
Longitude | 15.4697 ± 0.0287 |
Depth (km) | 139 ± 3 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 87601391 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 2962 |
Semi-minor axis of confidence ellipse (meter) | 1490 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 144 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 2960.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 98 |
Number of associated phases, regardless of their use for origin computation | 34 |
Number of defining phases | 31 |
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) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 1.25365 |
Number of stations at which the event was observed | 22 |
Number of stations from which data was used for origin computation | 19 |
Field | Value |
---|---|
Value | 1.9 |
Uncertainty | 0.2 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 87421531 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-02-23 23:00:54 |
Field | Value |
---|---|
Value | 1.9 |
Uncertainty | 0.2 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 87601391 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-04-19 18:07:41 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.VITU.HHZ. | 2021-02-23T22:33:12.95 | 3.0 | undecidable | manual | Sg | 19.709999 | 0 | |||
IV.MMUR.HNZ. | 2021-02-23T22:33:08.12 | 3.0 | undecidable | manual | Pg | 15.68 | 0 | |||
IV.MTMR.EHZ. | 2021-02-23T22:32:46.23 | 3.0 | undecidable | manual | Sn | -0.4 | 0 | |||
IV.SERS.HNN. | 2021-02-23T22:32:21.29 | 0.6 | undecidable | manual | S | 57 | 125.2746 | 135 | 0.96 | 32 |
IV.CET2.HHZ. | 2021-02-23T22:32:20.67 | 0.6 | undecidable | manual | S | 19 | 129.1707 | 134 | -0.26 | 40 |
IV.PLAC.HHE. | 2021-02-23T22:32:14.47 | 0.6 | undecidable | manual | S | 88 | 84.1491 | 146 | -0.23 | 44 |
IV.AIO.HHZ. | 2021-02-23T22:32:12.69 | 0.6 | undecidable | manual | S | 202 | 54.6009 | 157 | 1.02 | 36 |
IV.MTTG.HHZ. | 2021-02-23T22:32:12.28 | 0.6 | undecidable | manual | S | 157 | 51.1155 | 158 | 0.9 | 38 |
IV.SOI.EHN. | 2021-02-23T22:32:12.34 | 0.6 | undecidable | manual | S | 127 | 64.2912 | 153 | -0.2 | 46 |
IV.IVPL.HHZ. | 2021-02-23T22:32:11.32 | 0.6 | undecidable | manual | S | 263 | 42.9237 | 162 | 0.55 | 44 |
MN.CEL.HHZ. | 2021-02-23T22:32:10.12 | 0.6 | undecidable | manual | S | 116 | 41.3253 | 162 | -0.55 | 44 |
IV.JOPP.HHZ. | 2021-02-23T22:32:10.33 | 0.6 | undecidable | manual | S | 61 | 41.2254 | 162 | -0.33 | 47 |
IV.IVUG.HHZ. | 2021-02-23T22:32:10.93 | 0.6 | undecidable | manual | S | 265 | 42.2244 | 162 | 0.21 | 48 |
IV.MPNC.HHZ. | 2021-02-23T22:32:10.29 | 0.6 | undecidable | manual | S | 198 | 32.745 | 166 | 0.13 | 50 |
IV.MSRU.HHZ. | 2021-02-23T22:32:08.80 | 0.6 | undecidable | manual | S | 169 | 18.3705 | 172 | -0.76 | 43 |
MN.TIP.HHN. | 2021-02-23T22:32:03.44 | 0.3 | undecidable | manual | P | 53 | 139.1607 | 132 | 0.34 | 58 |
IV.CET2.HHZ. | 2021-02-23T22:32:02.15 | 0.3 | undecidable | manual | P | 19 | 129.1707 | 134 | -0.03 | 64 |
IV.SELL.HHZ. | 2021-02-23T22:32:02.15 | 0.3 | undecidable | manual | P | 58 | 117.6933 | 137 | 0.97 | 49 |
IV.SERS.HNN. | 2021-02-23T22:32:02.38 | 0.3 | undecidable | manual | P | 57 | 125.2746 | 135 | 0.55 | 57 |
IV.HLNI.HHZ. | 2021-02-23T22:32:01.52 | 0.3 | undecidable | manual | P | 204 | 130.5693 | 134 | -0.79 | 51 |
IV.PLAC.HHE. | 2021-02-23T22:31:58.50 | 0.1 | undecidable | manual | P | 88 | 84.1491 | 146 | -0.08 | 91 |
IV.MUCR.HHZ. | 2021-02-23T22:31:58.75 | 0.3 | undecidable | manual | P | 231 | 67.1772 | 152 | 1.25 | 46 |
IV.NOV.HHZ. | 2021-02-23T22:31:57.10 | 0.3 | undecidable | manual | P | 213 | 52.9026 | 158 | 0.35 | 69 |
IV.SOI.EHN. | 2021-02-23T22:31:57.14 | 0.3 | undecidable | manual | P | 127 | 64.2912 | 153 | -0.2 | 69 |
IV.IFIL.HHZ. | 2021-02-23T22:31:57.96 | 0.3 | undecidable | manual | P | 281 | 79.1652 | 148 | -0.28 | 67 |
IV.AIO.HHZ. | 2021-02-23T22:31:57.57 | 0.3 | undecidable | manual | P | 202 | 54.6009 | 157 | 0.74 | 60 |
IV.MTTG.HHZ. | 2021-02-23T22:31:56.78 | 0.1 | undecidable | manual | P | 157 | 51.1155 | 158 | 0.12 | 97 |
MN.CEL.HHZ. | 2021-02-23T22:31:56.10 | 0.6 | undecidable | manual | P | 116 | 41.3253 | 162 | -0.15 | 49 |
IV.IVUG.HHZ. | 2021-02-23T22:31:56.31 | 0.1 | undecidable | manual | P | 265 | 42.2244 | 162 | 0.03 | 100 |
IV.IVPL.HHZ. | 2021-02-23T22:31:55.84 | 0.3 | undecidable | manual | P | 263 | 42.9237 | 162 | -0.47 | 69 |
IV.JOPP.HHZ. | 2021-02-23T22:31:55.76 | 0.1 | undecidable | manual | P | 61 | 41.2254 | 162 | -0.49 | 91 |
IV.MILZ.HHZ. | 2021-02-23T22:31:55.19 | 0.3 | undecidable | manual | P | 230 | 26.9508 | 168 | -0.61 | 67 |
IV.MPNC.HHZ. | 2021-02-23T22:31:55.80 | 0.3 | undecidable | manual | P | 198 | 32.745 | 166 | -0.16 | 75 |
IV.MSRU.HHZ. | 2021-02-23T22:31:54.92 | 0.1 | undecidable | manual | P | 169 | 18.3705 | 172 | -0.69 | 88 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MSRU.HHN. | ML:1.8 | 0.000041938064999999995 | 0.112 | AML | other | m | 2021-02-23T22:32:10.24 |
MN.CEL.HNN. | ML:2.0 | 0.000057900815 | 0.3904 | AML | other | m | 2021-02-23T22:32:10.40 |
IV.MTTG.HHE. | ML:1.9 | 0.00004352599 | 0.7968 | AML | other | m | 2021-02-23T22:32:11.92 |
MN.CEL.HHN. | ML:1.4 | 0.000016006495 | 1.744 | AML | other | m | 2021-02-23T22:32:12.06 |
MN.CEL.HHE. | ML:1.4 | 0.0000150866835 | 1.8208 | AML | other | m | 2021-02-23T22:32:12.08 |
IV.MTTG.HHN. | ML:1.9 | 0.000042613280000000006 | 1.3248 | AML | other | m | 2021-02-23T22:32:13.29 |
MN.CEL.HNE. | ML:2.1 | 0.000069004017 | 1.0112 | AML | other | m | 2021-02-23T22:32:13.91 |
IV.MILZ.HHE. | ML:2.2 | 0.00008209843 | 1.2832 | AML | other | m | 2021-02-23T22:32:14.33 |
IV.MILZ.HHN. | ML:2.0 | 0.00006110876 | 1.2192 | AML | other | m | 2021-02-23T22:32:14.99 |
IV.MSRU.HHE. | ML:1.8 | 0.000040611255 | 1.296 | AML | other | m | 2021-02-23T22:32:15.68 |