A magnitude ML 2.3 earthquake occured in region: Tirreno Meridionale (MARE), on
and geographic coordinates (lat, lon) 38.5070, 12.5790 at 30 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 2.3 | 2021-12-21 13:59:15 |
38.5067 | 12.5788 | 31 | 2022-03-30 13:04:31 |
Bollettino Sismico Italiano INGV | 99869791 |
Reviewed Rev100 |
ML 2.4 | 2021-12-21 13:59:15 |
38.5087 | 12.5908 | 33 | 2021-12-21 14:47:17 |
Sala Sismica INGV-Roma | 98790201 |
Field | Value |
---|---|
Time (UTC) | 2021-12-21 13:59:15 ± 0.35 |
Latitude | 38.5067 ± 0.0126 |
Longitude | 12.5788 ± 0.0207 |
Depth (km) | 31 ± 3 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 99869791 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1664 |
Semi-minor axis of confidence ellipse (meter) | 913 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 120 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1660.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 227 |
Number of associated phases, regardless of their use for origin computation | 24 |
Number of defining phases | 15 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.4 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 1.38855 |
Number of stations at which the event was observed | 19 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 2.4 |
Uncertainty | 0.3 |
Num. used stations | 7 |
Type of magnitude | ML |
Reference to an origin | 98790201 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-12-21 14:47:17 |
Field | Value |
---|---|
Value | 2.3 |
Uncertainty | 0.3 |
Num. used stations | 7 |
Type of magnitude | ML |
Reference to an origin | 99869791 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2022-03-06 10:17:03 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.LATE.HHZ. | 2021-12-21T14:01:20.18 | 3.0 | undecidable | manual | Sn | 0.85 | 0 | |||
IV.RCAV.EHZ. | 2021-12-21T14:01:16.37 | 3.0 | undecidable | manual | Sg | 16.389999 | 0 | |||
IV.ZEN8.EHZ. | 2021-12-21T14:01:14.43 | 3.0 | undecidable | manual | Pn | 4.55 | 0 | |||
IT.PLTA.HNZ. | 2021-12-21T14:01:10.29 | 3.0 | undecidable | manual | Sn | 0.43 | 0 | |||
OT.OT17.EHZ. | 2021-12-21T14:01:09.17 | 3.0 | undecidable | manual | Sn | -1.62 | 0 | |||
IV.MODE.HNZ. | 2021-12-21T14:00:59.44 | 3.0 | undecidable | manual | Pn | 3.54 | 0 | |||
IV.MTMR.EHZ. | 2021-12-21T14:00:51.01 | 3.0 | undecidable | manual | Sn | -0.43 | 0 | |||
IV.PE3.EHZ. | 2021-12-21T14:00:46.03 | 3.0 | undecidable | manual | Pn | 4.5 | 0 | |||
IV.FERC.HHZ.00 | 2021-12-21T14:00:04.36 | 3.0 | negative | manual | Pn | -0.37 | 0 | |||
IV.SOLUN.HHE. | 2021-12-21T13:59:43.10 | 0.6 | undecidable | manual | S | 119 | 94.9383 | 103 | -0.57 | 42 |
IV.IACL.HHE. | 2021-12-21T13:59:40.84 | 1.0 | undecidable | manual | P | 88 | 154.1346 | 54 | 1.51 | 12 |
IV.CSLB.HHZ. | 2021-12-21T13:59:37.81 | 0.6 | undecidable | manual | P | 116 | 143.5452 | 54 | -0.2 | 42 |
IV.MBFT.HHZ. | 2021-12-21T13:59:37.00 | 0.3 | undecidable | manual | S | 152 | 70.1742 | 108 | -0.32 | 71 |
IV.GIB.HHE. | 2021-12-21T13:59:37.53 | 1.0 | undecidable | manual | P | 114 | 138.4614 | 54 | 0.15 | 22 |
IV.LEVAN.EHZ. | 2021-12-21T13:59:35.50 | 0.6 | undecidable | manual | S | 200 | 60.6948 | 111 | 0.58 | 46 |
IV.ERC.EHE. | 2021-12-21T13:59:33.00 | 0.3 | undecidable | manual | S | 179 | 52.0035 | 115 | 0.2 | 77 |
IV.USI.HHZ. | 2021-12-21T13:59:33.70 | 0.6 | undecidable | manual | S | 67 | 56.5989 | 113 | -0.22 | 49 |
IV.CRJA.HHZ. | 2021-12-21T13:59:31.53 | 0.3 | undecidable | manual | P | 154 | 86.5467 | 105 | 1.11 | 52 |
IV.MARIO.HHE. | 2021-12-21T13:59:31.86 | 0.6 | undecidable | manual | P | 129 | 96.4257 | 103 | -0.04 | 48 |
IV.SOLUN.HHE. | 2021-12-21T13:59:31.23 | 0.6 | undecidable | manual | P | 119 | 94.9383 | 103 | -0.44 | 44 |
IV.MBFT.HHZ. | 2021-12-21T13:59:28.28 | 0.3 | undecidable | manual | P | 152 | 70.1742 | 108 | 0.27 | 73 |
IV.USI.HHZ. | 2021-12-21T13:59:26.30 | 0.1 | undecidable | manual | P | 67 | 56.5989 | 113 | 0.26 | 100 |
IV.LEVAN.EHZ. | 2021-12-21T13:59:26.27 | 0.1 | positive | manual | P | 200 | 60.6948 | 111 | -0.35 | 96 |
IV.ERC.EHE. | 2021-12-21T13:59:24.71 | 0.3 | undecidable | manual | P | 179 | 52.0035 | 115 | -0.69 | 65 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.USI.HHE. | ML:2.6 | 0.0008305 | 0.32 | AML | other | m | 2021-12-21T13:59:35.21 |
IV.USI.HHN. | ML:3.0 | 0.00209 | 0.32 | AML | other | m | 2021-12-21T13:59:36.00 |
IV.LEVAN.EHE. | ML:2.2 | 0.000262 | 1.5 | AML | other | m | 2021-12-21T13:59:37.04 |
IV.MBFT.HHE. | ML:2.3 | 0.00029000000000000006 | 1.64 | AML | other | m | 2021-12-21T13:59:37.06 |
IV.MBFT.HHN. | ML:2.1 | 0.0001728443 | 0.8224 | AML | other | m | 2021-12-21T13:59:38.00 |
IV.LEVAN.EHN. | ML:2.4 | 0.0004445 | 0.62 | AML | other | m | 2021-12-21T13:59:38.61 |
IV.CRJA.HHN. | ML:2.2 | 0.000183 | 0.94 | AML | other | m | 2021-12-21T13:59:44.47 |