A magnitude ML 1.8 earthquake occured in region: Tirreno Meridionale (MARE), on
and geographic coordinates (lat, lon) 39.0010, 15.5840 at 182 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 1.8 | 2020-10-21 21:44:25 |
39.001 | 15.5838 | 182 | 2021-02-26 14:56:18 |
Bollettino Sismico Italiano INGV | 86984691 |
Reviewed Rev100 |
ML 1.9 | 2020-10-21 21:44:26 |
38.9912 | 15.6162 | 180 | 2020-10-21 22:00:55 |
Sala Sismica INGV-Roma | 84004611 |
Field | Value |
---|---|
Time (UTC) | 2020-10-21 21:44:25 ± 0.3 |
Latitude | 39.0010 ± 0.0180 |
Longitude | 15.5838 ± 0.0370 |
Depth (km) | 182 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 86984691 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 3309 |
Semi-minor axis of confidence ellipse (meter) | 546 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 111 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 3310.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 175 |
Number of associated phases, regardless of their use for origin computation | 28 |
Number of defining phases | 28 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.3 |
Epicentral distance of station closest to the epicenter (degree) | 0.45865 |
Epicentral distance of station farthest from the epicenter (degree) | 1.11786 |
Number of stations at which the event was observed | 17 |
Number of stations from which data was used for origin computation | 17 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.2 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 86984691 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-02-15 15:00:05 |
Field | Value |
---|---|
Value | 1.9 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 84004611 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-10-21 22:00:55 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
MN.TIP.HNZ. | 2020-10-21T21:45:14.38 | 0.6 | undecidable | manual | S | 79 | 103.0191 | 149 | 0.34 | 43 |
IV.SERS.HHE. | 2020-10-21T21:45:13.08 | 0.6 | undecidable | manual | S | 87 | 95.3379 | 151 | -0.12 | 46 |
IV.PLAC.HHZ. | 2020-10-21T21:45:13.88 | 0.6 | undecidable | manual | S | 129 | 95.9262 | 151 | 0.61 | 41 |
IV.GRIS.EHE. | 2020-10-21T21:45:12.44 | 0.6 | undecidable | manual | S | 16 | 85.248 | 153 | 0.25 | 46 |
IV.CELI.HHE. | 2020-10-21T21:45:12.89 | 1.0 | undecidable | manual | S | 60 | 91.1421 | 152 | 0.12 | 23 |
IV.MILZ.HHN. | 2020-10-21T21:45:12.95 | 0.6 | undecidable | manual | S | 201 | 86.5467 | 153 | 0.64 | 41 |
MN.CEL.HHE. | 2020-10-21T21:45:11.98 | 0.6 | undecidable | manual | S | 162 | 86.4468 | 153 | -0.33 | 45 |
IV.MSRU.HHE. | 2020-10-21T21:45:10.89 | 1.0 | undecidable | manual | S | 185 | 82.0512 | 154 | -0.99 | 18 |
IV.CET2.HHZ. | 2020-10-21T21:45:10.38 | 0.3 | undecidable | manual | S | 28 | 66.6777 | 159 | -0.18 | 73 |
IV.JOPP.HHZ. | 2020-10-21T21:45:09.38 | 0.6 | undecidable | manual | S | 149 | 50.9157 | 163 | -0.08 | 51 |
IV.CAR1.HHZ. | 2020-10-21T21:45:09.64 | 0.6 | undecidable | manual | S | 62 | 60.7947 | 160 | -0.48 | 46 |
IV.MTTG.HHE. | 2020-10-21T21:44:55.05 | 0.3 | undecidable | manual | P | 175 | 111.0999 | 147 | 0.78 | 56 |
IV.PIPA.HHZ. | 2020-10-21T21:44:54.60 | 0.6 | undecidable | manual | P | 63 | 118.6923 | 145 | -0.19 | 43 |
IV.LADO.EHE. | 2020-10-21T21:44:54.41 | 0.3 | undecidable | manual | P | 75 | 124.0869 | 144 | -0.78 | 54 |
MN.TIP.HNZ. | 2020-10-21T21:44:53.55 | 0.3 | undecidable | manual | P | 79 | 103.0191 | 149 | -0.19 | 68 |
IV.CELI.HHE. | 2020-10-21T21:44:53.65 | 0.3 | undecidable | manual | P | 60 | 91.1421 | 152 | 0.65 | 61 |
IV.SERS.HHE. | 2020-10-21T21:44:53.09 | 0.3 | undecidable | manual | P | 87 | 95.3379 | 151 | -0.15 | 69 |
IV.PLAC.HHZ. | 2020-10-21T21:44:53.20 | 0.3 | undecidable | manual | P | 129 | 95.9262 | 151 | -0.09 | 70 |
IV.GRI.EHZ. | 2020-10-21T21:44:52.57 | 0.3 | undecidable | manual | P | 105 | 74.8695 | 156 | 0.46 | 67 |
MN.CEL.HHE. | 2020-10-21T21:44:52.69 | 0.3 | undecidable | manual | P | 162 | 86.4468 | 153 | -0.04 | 72 |
IV.GRIS.EHE. | 2020-10-21T21:44:52.83 | 0.6 | undecidable | manual | P | 16 | 85.248 | 153 | 0.17 | 47 |
IV.SPS2.HHE. | 2020-10-21T21:44:52.16 | 0.6 | undecidable | manual | P | 63 | 72.4719 | 157 | 0.16 | 48 |
IV.MILZ.HHN. | 2020-10-21T21:44:52.27 | 0.6 | undecidable | manual | P | 201 | 86.5467 | 153 | -0.46 | 44 |
IV.SICLA.EHN. | 2020-10-21T21:44:52.01 | 0.6 | undecidable | manual | P | 172 | 83.3499 | 154 | -0.55 | 43 |
IV.JOPP.HHZ. | 2020-10-21T21:44:51.25 | 0.1 | undecidable | manual | P | 149 | 50.9157 | 163 | 0.17 | 100 |
IV.MSRU.HHE. | 2020-10-21T21:44:51.87 | 0.6 | undecidable | manual | P | 185 | 82.0512 | 154 | -0.62 | 42 |
IV.CAR1.HHZ. | 2020-10-21T21:44:51.30 | 0.3 | undecidable | manual | P | 62 | 60.7947 | 160 | -0.17 | 74 |
IV.CET2.HHZ. | 2020-10-21T21:44:51.87 | 0.3 | undecidable | manual | P | 28 | 66.6777 | 159 | 0.15 | 73 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.CET2.HHE. | ML:1.7 | 0.000014150829999999999 | 2.5216 | AML | other | m | 2020-10-21T21:45:10.39 |
IV.CAR1.HHE. | ML:1.8 | 0.0000191248 | 0.4224 | AML | other | m | 2020-10-21T21:45:10.44 |
IV.JOPP.HHN. | ML:1.8 | 0.0000204874 | 0.1024 | AML | other | m | 2020-10-21T21:45:10.61 |
IV.JOPP.HHE. | ML:1.9 | 0.00002714104 | 0.128 | AML | other | m | 2020-10-21T21:45:11.01 |
IV.CET2.HHN. | ML:2.2 | 0.000049797510000000006 | 1.7824 | AML | other | m | 2020-10-21T21:45:11.08 |
IV.CAR1.HHN. | ML:1.5 | 0.000010196458 | 1.7408 | AML | other | m | 2020-10-21T21:45:11.24 |
IV.PLAC.HHE. | ML:1.8 | 0.000021737369999999998 | 1.7824 | AML | other | m | 2020-10-21T21:45:13.11 |
IV.PLAC.HHN. | ML:1.7 | 0.000013984955000000001 | 1.7568 | AML | other | m | 2020-10-21T21:45:14.93 |