A magnitude ML 2.1 earthquake occured in region: Tirreno Meridionale (MARE), on
and geographic coordinates (lat, lon) 38.4920, 15.4430 at 170 km depth.
The earthquake was located by: Sala Sismica INGV-Roma.
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 |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 2.1 | 2023-10-18 08:13:12 |
38.4915 | 15.4428 | 171 | 2023-10-18 08:37:26 |
Sala Sismica INGV-Roma | 122170501 |
Field | Value |
---|---|
Time (UTC) | 2023-10-18 08:13:12 ± 0.37 |
Latitude | 38.4915 ± 0.0288 |
Longitude | 15.4428 ± 0.0356 |
Depth (km) | 171 ± 3 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 122170501 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 3776 |
Semi-minor axis of confidence ellipse (meter) | 1607 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 139 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 3780.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 128 |
Number of associated phases, regardless of their use for origin computation | 28 |
Number of defining phases | 24 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.39 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 1.11246 |
Number of stations at which the event was observed | 17 |
Number of stations from which data was used for origin computation | 13 |
Field | Value |
---|---|
Value | 2.1 |
Uncertainty | 0.2 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 122170501 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-10-18 08:37:26 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ARVD.HHZ. | 2023-10-18T08:14:40.21 | 3.0 | undecidable | manual | Pn | 3.46 | 0 | |||
IV.MOCO.HHZ. | 2023-10-18T08:14:36.60 | 3.0 | undecidable | manual | Sn | -0.13 | 0 | |||
IV.MCI.EHZ. | 2023-10-18T08:14:19.50 | 3.0 | undecidable | manual | Pg | 11.1 | 0 | |||
GE.MATE.HHZ. | 2023-10-18T08:14:05.73 | 3.0 | positive | manual | Pg | 9.55 | 0 | |||
IV.SERS.HHZ. | 2023-10-18T08:14:02.00 | 0.6 | undecidable | manual | S | 60 | 123.4875 | 142 | 0.52 | 38 |
IV.SELL.HHZ. | 2023-10-18T08:14:01.10 | 0.6 | undecidable | manual | S | 62 | 116.0949 | 144 | 0.58 | 38 |
IV.CET2.HHZ. | 2023-10-18T08:14:00.60 | 0.6 | undecidable | manual | S | 21 | 123.2877 | 142 | -0.85 | 35 |
IV.PLAC.HHZ. | 2023-10-18T08:13:56.60 | 0.3 | undecidable | manual | S | 93 | 86.5467 | 151 | -0.5 | 62 |
IV.AIO.HHZ. | 2023-10-18T08:13:55.90 | 0.6 | undecidable | manual | S | 198 | 60.495 | 159 | 1.14 | 33 |
IV.SOI.EHZ. | 2023-10-18T08:13:54.90 | 0.6 | undecidable | manual | S | 131 | 70.5738 | 156 | -0.68 | 39 |
IV.IVPL.HHZ. | 2023-10-18T08:13:54.50 | 0.6 | undecidable | manual | S | 253 | 42.2244 | 165 | 0.95 | 37 |
IV.SICLA.EHZ. | 2023-10-18T08:13:53.30 | 0.6 | undecidable | manual | S | 138 | 35.2425 | 168 | 0.1 | 50 |
IV.MPNC.HHE. | 2023-10-18T08:13:53.76 | 0.6 | undecidable | manual | S | 192 | 39.0276 | 166 | 0.38 | 47 |
IV.MRCB.HHZ. | 2023-10-18T08:13:53.70 | 0.3 | undecidable | manual | S | 148 | 43.0236 | 165 | 0.1 | 74 |
IV.MILZ.HHE. | 2023-10-18T08:13:52.36 | 0.3 | undecidable | manual | S | 217 | 30.5472 | 169 | -0.64 | 66 |
IV.SERS.HHZ. | 2023-10-18T08:13:41.19 | 0.1 | undecidable | manual | P | 60 | 123.4875 | 142 | 0.25 | 81 |
IV.SELL.HHZ. | 2023-10-18T08:13:40.75 | 0.1 | undecidable | manual | P | 62 | 116.0949 | 144 | 0.37 | 80 |
IV.CET2.HHZ. | 2023-10-18T08:13:40.95 | 0.1 | undecidable | manual | P | 21 | 123.2877 | 142 | 0.04 | 84 |
IV.PLAC.HHZ. | 2023-10-18T08:13:38.48 | 0.1 | undecidable | manual | P | 93 | 86.5467 | 151 | 0.08 | 91 |
IV.AIO.HHZ. | 2023-10-18T08:13:37.62 | 0.1 | undecidable | manual | P | 198 | 60.495 | 159 | 0.57 | 85 |
IV.MTTG.HHZ. | 2023-10-18T08:13:37.28 | 0.1 | undecidable | manual | P | 157 | 58.5969 | 160 | 0.31 | 91 |
IV.SOI.EHZ. | 2023-10-18T08:13:37.54 | 0.1 | undecidable | manual | P | 131 | 70.5738 | 156 | 0.01 | 95 |
IV.IVPL.HHZ. | 2023-10-18T08:13:36.32 | 0.1 | undecidable | manual | P | 253 | 42.2244 | 165 | -0.03 | 100 |
IV.MRCB.HHZ. | 2023-10-18T08:13:36.05 | 0.1 | undecidable | manual | P | 148 | 43.0236 | 165 | -0.33 | 93 |
IV.GMB1.HHZ. | 2023-10-18T08:13:36.72 | 0.1 | undecidable | manual | P | 137 | 48.1185 | 163 | 0.17 | 96 |
IV.MILZ.HHE. | 2023-10-18T08:13:35.55 | 0.1 | undecidable | manual | P | 217 | 30.5472 | 169 | -0.48 | 92 |
IV.SICLA.EHZ. | 2023-10-18T08:13:35.62 | 0.1 | undecidable | manual | P | 138 | 35.2425 | 168 | -0.53 | 90 |
IV.MPNC.HHE. | 2023-10-18T08:13:35.76 | 0.1 | undecidable | manual | P | 192 | 39.0276 | 166 | -0.5 | 90 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.CET2.HHE. | ML:2.5 | 0.00009114999999999999 | 0.62 | AML | other | m | 2023-10-18T08:14:01.29 |
IV.CET2.HHN. | ML:2.7 | 0.0001245 | 1.7 | AML | other | m | 2023-10-18T08:14:02.07 |
IV.SELL.HHN. | ML:1.8 | 0.000019250000000000004 | 0.44 | AML | other | m | 2023-10-18T08:14:02.35 |
IV.SELL.HHE. | ML:2.0 | 0.000022499999999999998 | 0.48 | AML | other | m | 2023-10-18T08:14:02.60 |
IV.SERS.HHN. | ML:2.0 | 0.00003115 | 1.46 | AML | other | m | 2023-10-18T08:14:02.23 |
IV.SERS.HHE. | ML:2.3 | 0.000048 | 0.32 | AML | other | m | 2023-10-18T08:14:03.55 |
IV.MRCB.HHE. | ML:2.0 | 0.000038185215 | 1.9584 | AML | other | m | 2023-10-18T08:13:54.71 |
IV.MRCB.HHN. | ML:2.2 | 0.000057416894999999995 | 2.5408 | AML | other | m | 2023-10-18T08:13:56.13 |
IV.SOI.EHE. | ML:2.0 | 0.00003330528 | 7.3984 | AML | other | m | 2023-10-18T08:14:00.51 |
IV.SOI.EHN. | ML:1.8 | 0.000025093000000000002 | 4.6592 | AML | other | m | 2023-10-18T08:13:58.10 |