A magnitude ML 2.1 earthquake occured in region: Tirreno Meridionale (MARE), on
and geographic coordinates (lat, lon) 38.7770, 14.1050 at 34 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 | 2023-08-17 06:57:04 |
38.7768 | 14.1053 | 34 | 2023-08-17 07:05:10 |
Sala Sismica INGV-Roma | 120211221 |
Field | Value |
---|---|
Time (UTC) | 2023-08-17 06:57:04 ± 0.34 |
Latitude | 38.7768 ± 0.0297 |
Longitude | 14.1053 ± 0.0185 |
Depth (km) | 34 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 120211221 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 3309 |
Semi-minor axis of confidence ellipse (meter) | 1475 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 5 |
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) | 214 |
Number of associated phases, regardless of their use for origin computation | 20 |
Number of defining phases | 19 |
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) | 1.10167 |
Number of stations at which the event was observed | 14 |
Number of stations from which data was used for origin computation | 13 |
Field | Value |
---|---|
Value | 2.1 |
Uncertainty | 0.3 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 120211221 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-08-17 07:05:10 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
HL.VLS.HHZ. | 2023-08-17T06:58:33.23 | 3.0 | undecidable | manual | Pg | 14.32 | 0 | |||
IV.PTRP.HHZ. | 2023-08-17T06:58:13.22 | 1.0 | undecidable | manual | Sg | 6.2 | 0 | |||
IV.PZUN.HHZ. | 2023-08-17T06:58:06.28 | 0.6 | undecidable | manual | Sn | -0.05 | 1.03 | |||
IV.NOV.HNE. | 2023-08-17T06:57:37.63 | 0.6 | undecidable | manual | S | 133 | 122.2887 | 54 | -0.81 | 38 |
IV.MUCR.HHZ. | 2023-08-17T06:57:34.67 | 0.6 | undecidable | manual | S | 140 | 105.3168 | 54 | -0.13 | 48 |
IV.CSLB.HHE. | 2023-08-17T06:57:32.00 | 0.6 | undecidable | manual | S | 183 | 93.24 | 54 | -0.19 | 50 |
IV.GIB.HHZ. | 2023-08-17T06:57:30.67 | 0.6 | undecidable | manual | S | 185 | 87.5457 | 107 | -0.23 | 49 |
IV.USI.HHZ. | 2023-08-17T06:57:28.52 | 0.6 | undecidable | manual | S | 265 | 80.4639 | 108 | -0.59 | 47 |
IV.AIO.HHZ. | 2023-08-17T06:57:25.41 | 1.0 | positive | manual | Pn | -0.1 | 0.59 | |||
IV.ALJA.HHE. | 2023-08-17T06:57:25.04 | 0.1 | undecidable | manual | P | 195 | 118.0929 | 54 | 1.59 | 50 |
IV.NOV.HNE. | 2023-08-17T06:57:23.79 | 0.1 | undecidable | manual | P | 133 | 122.2887 | 54 | -0.18 | 92 |
IV.MUCR.HHZ. | 2023-08-17T06:57:21.62 | 0.1 | undecidable | manual | P | 140 | 105.3168 | 54 | -0.24 | 94 |
IV.CSLB.HHE. | 2023-08-17T06:57:20.42 | 0.1 | undecidable | manual | P | 183 | 93.24 | 54 | 0.07 | 100 |
IV.IFIL.HHZ. | 2023-08-17T06:57:20.46 | 0.6 | undecidable | manual | S | 120 | 47.0196 | 121 | -0.49 | 49 |
IV.IVPL.HHZ. | 2023-08-17T06:57:20.07 | 0.6 | negative | manual | P | 120 | 87.9453 | 107 | 0.4 | 48 |
3D.OEM4.HHE. | 2023-08-17T06:57:19.70 | 0.1 | undecidable | manual | P | 119 | 83.25 | 108 | 0.73 | 87 |
IV.GIB.HHZ. | 2023-08-17T06:57:19.91 | 1.0 | positive | manual | P | 185 | 87.5457 | 107 | 0.3 | 24 |
IV.MSFR.HHE. | 2023-08-17T06:57:19.98 | 0.1 | undecidable | manual | P | 153 | 92.6406 | 54 | -0.3 | 96 |
IV.USI.HHZ. | 2023-08-17T06:57:18.50 | 0.3 | positive | manual | P | 265 | 80.4639 | 108 | -0.08 | 78 |
IV.IFIL.HHZ. | 2023-08-17T06:57:13.87 | 0.6 | positive | manual | P | 120 | 47.0196 | 121 | 0 | 55 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.IFIL.HHN. | ML:2.4 | 0.0006060000000000001 | 1.04 | AML | other | m | 2023-08-17T06:57:23.24 |
IV.IFIL.HHE. | ML:2.8 | 0.0012900000000000001 | 0.62 | AML | other | m | 2023-08-17T06:57:24.26 |
IV.USI.HHN. | ML:2.1 | 0.0001615 | 0.62 | AML | other | m | 2023-08-17T06:57:31.25 |
IV.USI.HHE. | ML:1.6 | 0.00005635 | 1.2 | AML | other | m | 2023-08-17T06:57:34.62 |
IV.MUCR.HHE. | ML:1.8 | 0.00006075 | 0.32 | AML | other | m | 2023-08-17T06:57:37.29 |
IV.GIB.HHN. | ML:0.0 | 0.00013900000000000002 | 0.38 | AML | other | m | 2023-08-17T06:57:39.23 |
IV.GIB.HHE. | ML:0.0 | 0.00013450000000000002 | 0.36 | AML | other | m | 2023-08-17T06:57:40.28 |
IV.MUCR.HHN. | ML:2.0 | 0.0000886 | 0.66 | AML | other | m | 2023-08-17T06:57:40.81 |