A magnitude ML 1.7 earthquake occured in region: Tirreno Meridionale (MARE), on
and geographic coordinates (lat, lon) 39.0160, 15.6010 at 74 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 1.7 | 2021-08-22 03:08:58 |
39.0162 | 15.6008 | 74 | 2021-12-29 11:12:29 |
Bollettino Sismico Italiano INGV | 95262341 |
Reviewed Rev100 |
ML 1.7 | 2021-08-22 03:08:58 |
39.0117 | 15.5785 | 77 | 2021-08-22 03:22:57 |
Sala Sismica INGV-Roma | 94483121 |
Field | Value |
---|---|
Time (UTC) | 2021-08-22 03:08:58 ± 0.19 |
Latitude | 39.0162 ± 0.0081 |
Longitude | 15.6008 ± 0.0208 |
Depth (km) | 74 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 95262341 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1465 |
Semi-minor axis of confidence ellipse (meter) | 1237 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 109 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1470.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 157 |
Number of associated phases, regardless of their use for origin computation | 33 |
Number of defining phases | 29 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.32 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 1.12145 |
Number of stations at which the event was observed | 23 |
Number of stations from which data was used for origin computation | 19 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.3 |
Num. used stations | 20 |
Type of magnitude | ML |
Reference to an origin | 94483121 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-08-22 03:22:57 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.3 |
Num. used stations | 20 |
Type of magnitude | ML |
Reference to an origin | 95262341 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-09-16 15:35:20 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.SENA.HHZ. | 2021-08-22T03:10:21.73 | 3.0 | undecidable | manual | Pg | 9.97 | 0 | |||
IV.VAGA.HHZ. | 2021-08-22T03:10:08.42 | 3.0 | undecidable | manual | Sn | -5.93 | 0 | |||
IX.NSC3.EHZ.02 | 2021-08-22T03:09:59.34 | 3.0 | undecidable | manual | Sg | 3.04 | 0 | |||
MN.TIP.HHN. | 2021-08-22T03:09:31.02 | 0.6 | undecidable | manual | S | 79 | 101.3208 | 118 | 1.38 | 28 |
IV.MPNC.HHE. | 2021-08-22T03:09:28.72 | 0.6 | undecidable | manual | S | 193 | 98.8233 | 119 | -0.46 | 42 |
IV.SICLA.EHE. | 2021-08-22T03:09:26.20 | 0.6 | undecidable | manual | S | 173 | 84.8484 | 124 | -0.4 | 44 |
IV.GRIS.EHZ. | 2021-08-22T03:09:26.38 | 0.3 | undecidable | manual | S | 15 | 83.25 | 124 | 0.07 | 71 |
IV.MSRU.HHZ. | 2021-08-22T03:09:25.99 | 0.6 | undecidable | manual | S | 186 | 83.8494 | 124 | -0.43 | 44 |
IV.SPS2.HHZ. | 2021-08-22T03:09:24.14 | 0.6 | undecidable | manual | S | 64 | 70.4739 | 130 | 0.03 | 49 |
IV.CET2.HHZ. | 2021-08-22T03:09:23.42 | 0.3 | undecidable | manual | S | 28 | 64.491 | 133 | 0.28 | 70 |
IV.CAR1.HHZ. | 2021-08-22T03:09:21.88 | 0.6 | undecidable | manual | S | 63 | 58.7967 | 136 | -0.38 | 47 |
IV.AIO.HHE. | 2021-08-22T03:09:21.12 | 0.3 | undecidable | manual | P | 196 | 120.1908 | 113 | 2.51 | 15 |
IV.GIZZ.HHZ. | 2021-08-22T03:09:21.27 | 0.6 | undecidable | manual | S | 94 | 52.503 | 139 | -0.07 | 50 |
IV.JOPP.HHZ. | 2021-08-22T03:09:21.65 | 0.3 | undecidable | manual | S | 151 | 51.6039 | 140 | 0.43 | 71 |
IV.PLLN.EHZ. | 2021-08-22T03:09:20.87 | 3.0 | positive | manual | Pn | -1.86 | 0 | |||
IV.MGR.HHZ. | 2021-08-22T03:09:19.14 | 0.3 | undecidable | manual | P | 358 | 124.4865 | 112 | 0.04 | 65 |
IV.PIPA.HHZ. | 2021-08-22T03:09:18.23 | 0.3 | undecidable | manual | P | 63 | 116.5944 | 114 | 0.03 | 67 |
MN.CUC.HHZ. | 2021-08-22T03:09:17.23 | 0.6 | undecidable | manual | P | 10 | 110.0121 | 116 | -0.22 | 44 |
IV.MPNC.HHE. | 2021-08-22T03:09:16.50 | 0.3 | undecidable | manual | P | 193 | 98.8233 | 119 | 0.28 | 66 |
MN.TIP.HHN. | 2021-08-22T03:09:16.07 | 0.3 | undecidable | manual | P | 79 | 101.3208 | 118 | -0.41 | 64 |
IV.PLAC.HHE. | 2021-08-22T03:09:16.76 | 0.3 | undecidable | manual | P | 131 | 95.9262 | 120 | 0.86 | 56 |
IV.SERS.HHZ. | 2021-08-22T03:09:15.33 | 0.3 | undecidable | manual | P | 88 | 93.7395 | 120 | -0.34 | 66 |
IV.MILZ.HHE. | 2021-08-22T03:09:15.16 | 0.3 | undecidable | manual | P | 201 | 88.6446 | 122 | 0.04 | 71 |
IV.SELL.HHZ. | 2021-08-22T03:09:15.04 | 0.1 | undecidable | manual | P | 92 | 88.6446 | 122 | -0.08 | 94 |
IV.CELI.HHE. | 2021-08-22T03:09:15.12 | 0.3 | undecidable | manual | P | 61 | 89.0442 | 122 | -0.05 | 71 |
IV.MSRU.HHZ. | 2021-08-22T03:09:14.40 | 0.3 | undecidable | manual | P | 186 | 83.8494 | 124 | -0.22 | 69 |
IV.SICLA.EHE. | 2021-08-22T03:09:14.41 | 0.3 | undecidable | manual | P | 173 | 84.8484 | 124 | -0.32 | 67 |
IV.GRIS.EHZ. | 2021-08-22T03:09:14.55 | 0.3 | undecidable | manual | P | 15 | 83.25 | 124 | -0.01 | 72 |
IV.SPS2.HHZ. | 2021-08-22T03:09:13.18 | 0.3 | undecidable | manual | P | 64 | 70.4739 | 130 | -0.11 | 73 |
IV.CAR1.HHZ. | 2021-08-22T03:09:12.09 | 0.3 | undecidable | manual | P | 63 | 58.7967 | 136 | -0.13 | 74 |
IV.CET2.HHZ. | 2021-08-22T03:09:12.79 | 0.3 | undecidable | manual | P | 28 | 64.491 | 133 | 0.06 | 74 |
IV.GIZZ.HHZ. | 2021-08-22T03:09:11.33 | 0.3 | undecidable | manual | P | 94 | 52.503 | 139 | -0.36 | 71 |
IV.JOPP.HHZ. | 2021-08-22T03:09:11.76 | 0.1 | negative | manual | P | 151 | 51.6039 | 140 | 0.14 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.CAR1.HNE. | ML:1.8 | 0.00006469646499999999 | 1.32 | AML | other | m | 2021-08-22T03:09:20.73 |
IV.JOPP.HNE. | ML:2.0 | 0.00012819505 | 0.12 | AML | other | m | 2021-08-22T03:09:22.13 |
IV.JOPP.HNN. | ML:2.0 | 0.000123 | 0.14 | AML | other | m | 2021-08-22T03:09:22.11 |
IV.JOPP.HHN. | ML:2.0 | 0.000132 | 0.14 | AML | other | m | 2021-08-22T03:09:22.04 |
IV.JOPP.HHE. | ML:1.5 | 0.00003331687 | 1.2192 | AML | other | m | 2021-08-22T03:09:22.35 |
IV.CAR1.HNN. | ML:1.9 | 0.000087059905 | 0.3616 | AML | other | m | 2021-08-22T03:09:22.64 |
IV.CAR1.HHN. | ML:1.6 | 0.00004394476 | 0.92 | AML | other | m | 2021-08-22T03:09:23.85 |
IV.CET2.HHE. | ML:1.8 | 0.0000713 | 0.16 | AML | other | m | 2021-08-22T03:09:24.00 |
IV.CET2.HHN. | ML:2.0 | 0.00011537905 | 0.24 | AML | other | m | 2021-08-22T03:09:24.08 |
IV.SPS2.HHN. | ML:1.3 | 0.000018872545 | 0.32 | AML | other | m | 2021-08-22T03:09:24.83 |
IV.MSRU.HHE. | ML:1.8 | 0.000054419825000000005 | 1.0992 | AML | other | m | 2021-08-22T03:09:25.71 |
IV.SPS2.HHE. | ML:1.0 | 0.000011892440000000001 | 0.0592 | AML | other | m | 2021-08-22T03:09:26.07 |
IV.CAR1.HHE. | ML:1.4 | 0.0000288 | 0.74 | AML | other | m | 2021-08-22T03:09:26.60 |
IV.MSRU.HHN. | ML:1.7 | 0.0000446202 | 0.3808 | AML | other | m | 2021-08-22T03:09:27.17 |
IV.GRIS.EHN. | ML:1.5 | 0.00002491102 | 0.1408 | AML | other | m | 2021-08-22T03:09:27.50 |
IV.GRIS.EHE. | ML:1.6 | 0.000033061345 | 1.4592 | AML | other | m | 2021-08-22T03:09:28.84 |
IV.SERS.HHN. | ML:1.7 | 0.00003735 | 0.42 | AML | other | m | 2021-08-22T03:09:32.56 |
IV.SERS.HNN. | ML:1.5 | 0.000025091506999999998 | 0.36 | AML | other | m | 2021-08-22T03:09:32.47 |
IV.SERS.HHE. | ML:1.4 | 0.0000197 | 0.56 | AML | other | m | 2021-08-22T03:09:32.63 |
IV.SERS.HNE. | ML:1.8 | 0.000050385705 | 1.0208 | AML | other | m | 2021-08-22T03:09:33.44 |