A magnitude ML 3.1 earthquake occured in region: Mar Ionio Meridionale (MARE), on
and geographic coordinates (lat, lon) 37.1270, 20.2280 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.
No Italian municipalities within 100 km from the epicenter with at least 50000 inhabitants.
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 3.1 | 2020-12-17 22:23:21 |
37.1268 | 20.2282 | 10 | 2021-02-26 14:56:14 |
Bollettino Sismico Italiano INGV | 86167801 |
Reviewed Rev100 |
ML 2.1 | 2020-12-17 22:23:58 |
37.2665 | 16.8477 | 10 | 2020-12-17 22:35:24 |
Sala Sismica INGV-Roma | 85502461 |
Field | Value |
---|---|
Time (UTC) | 2020-12-17 22:23:21 ± 0.68 |
Latitude | 37.1268 ± 0.0396 |
Longitude | 20.2282 ± 0.0575 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 86167801 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 5570 |
Semi-minor axis of confidence ellipse (meter) | 3800 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 236 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 5570.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 320 |
Number of associated phases, regardless of their use for origin computation | 19 |
Number of defining phases | 19 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.36 |
Epicentral distance of station closest to the epicenter (degree) | 3.27083 |
Epicentral distance of station farthest from the epicenter (degree) | 4.83116 |
Number of stations at which the event was observed | 14 |
Number of stations from which data was used for origin computation | 14 |
Field | Value |
---|---|
Value | 3.1 |
Uncertainty | 0.2 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 86167801 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-01-11 10:44:05 |
Field | Value |
---|---|
Value | 2.1 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 85502461 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-12-17 22:35:24 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.HLNI.HHZ. | 2020-12-17T22:25:13.69 | 1.0 | undecidable | manual | S | 275 | 473.5704 | 38 | -1.2 | 20 |
IV.HAVL.HHZ. | 2020-12-17T22:25:10.84 | 1.0 | undecidable | manual | S | 269 | 452.4027 | 38 | 0.51 | 29 |
IV.HAGA.HHZ. | 2020-12-17T22:25:09.96 | 1.0 | undecidable | manual | S | 274 | 448.5177 | 38 | 0.48 | 30 |
IV.JOPP.HNN. | 2020-12-17T22:25:02.32 | 0.6 | undecidable | manual | S | 295 | 414.0744 | 38 | 0.26 | 67 |
IV.SERS.HNN. | 2020-12-17T22:24:53.26 | 0.6 | undecidable | manual | S | 306 | 374.4474 | 38 | -0.27 | 72 |
IV.CPTP.HHZ. | 2020-12-17T22:24:36.89 | 0.3 | undecidable | manual | P | 275 | 536.2632 | 38 | 2.32 | 23 |
IV.RAFF.HHZ. | 2020-12-17T22:24:32.56 | 0.3 | undecidable | manual | P | 273 | 518.4921 | 38 | 0.2 | 80 |
IV.HMDC.HHZ. | 2020-12-17T22:24:28.01 | 0.3 | undecidable | manual | P | 269 | 482.4504 | 38 | 0.13 | 89 |
IV.HPAC.HHZ. | 2020-12-17T22:24:26.08 | 0.3 | negative | manual | P | 266 | 462.6924 | 38 | 0.66 | 81 |
IV.HLNI.HHZ. | 2020-12-17T22:24:25.82 | 0.6 | undecidable | manual | P | 275 | 473.5704 | 38 | -0.95 | 46 |
IV.HCRL.HHZ. | 2020-12-17T22:24:24.19 | 0.3 | undecidable | manual | P | 274 | 459.2958 | 38 | -0.81 | 77 |
IV.AIO.HHE. | 2020-12-17T22:24:24.74 | 0.6 | undecidable | manual | P | 284 | 449.106 | 38 | 1.02 | 48 |
IV.SSY.HHZ. | 2020-12-17T22:24:24.36 | 0.3 | undecidable | manual | P | 272 | 455.6994 | 38 | -0.19 | 93 |
IV.HAVL.HHZ. | 2020-12-17T22:24:23.88 | 0.3 | undecidable | manual | P | 269 | 452.4027 | 38 | -0.26 | 93 |
IV.HAGA.HHZ. | 2020-12-17T22:24:22.87 | 0.3 | undecidable | manual | P | 274 | 448.5177 | 38 | -0.79 | 79 |
IV.JOPP.HNN. | 2020-12-17T22:24:19.07 | 0.3 | undecidable | manual | P | 295 | 414.0744 | 38 | -0.3 | 100 |
MN.CEL.HNZ. | 2020-12-17T22:24:18.11 | 0.3 | undecidable | manual | P | 290 | 400.599 | 38 | 0.42 | 100 |
IV.SERS.HNN. | 2020-12-17T22:24:14.57 | 1.0 | undecidable | manual | P | 306 | 374.4474 | 38 | 0.13 | 37 |
IV.PLAC.HHE. | 2020-12-17T22:24:13.10 | 0.6 | undecidable | manual | P | 295 | 363.0588 | 38 | 0.08 | 77 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.HAGA.HHE. | ML:2.7 | 0.000020141199749999997 | 47.9232 | AML | other | m | 2020-12-17T22:24:22.50 |
IV.HAVL.HHN. | ML:3.2 | 0.000063966465 | 0.1536 | AML | other | m | 2020-12-17T22:24:24.84 |
IV.HAVL.HHE. | ML:3.2 | 0.000070293145 | 0.3712 | AML | other | m | 2020-12-17T22:24:24.86 |
IV.HCRL.HHE. | ML:3.1 | 0.000043173630000000005 | 0.1536 | AML | other | m | 2020-12-17T22:24:26.34 |
IV.HLNI.HHN. | ML:2.9 | 0.000027843815 | 0.1408 | AML | other | m | 2020-12-17T22:24:26.63 |
IV.HLNI.HHE. | ML:3.0 | 0.000036052589999999994 | 0.2176 | AML | other | m | 2020-12-17T22:24:26.62 |
IV.HCRL.HHN. | ML:2.8 | 0.0000264531995 | 0.128 | AML | other | m | 2020-12-17T22:24:26.75 |
IV.SSY.HHE. | ML:3.2 | 0.000057373125 | 1.7312 | AML | other | m | 2020-12-17T22:24:27.98 |
IV.SSY.HHN. | ML:3.5 | 0.00013067139999999998 | 1.7824 | AML | other | m | 2020-12-17T22:24:29.92 |
IV.RAFF.HHN. | ML:3.2 | 0.000040079115 | 1.3184 | AML | other | m | 2020-12-17T22:24:32.84 |
IV.HAGA.HHN. | ML:3.0 | 0.000039295415 | 0.64 | AML | other | m | 2020-12-17T22:24:33.75 |
IV.RAFF.HHE. | ML:3.1 | 0.000034331905 | 1.4848 | AML | other | m | 2020-12-17T22:25:08.65 |