A magnitude ML 1.0 earthquake occured in region: 8 km W Arquata del Tronto (AP), on
and geographic coordinates (lat, lon) 42.7770, 13.1950 at 6 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.
Municipality | Region | Distance (km) | Inhabitants | Cumulative Inhabitants |
---|---|---|---|---|
Arquata del Tronto | AP | 8 | 1178 | 1178 |
Norcia | PG | 8 | 4957 | 6135 |
Accumoli | RI | 10 | 667 | 6802 |
Montegallo | AP | 14 | 523 | 7325 |
Castelsantangelo sul Nera | MC | 14 | 281 | 7606 |
Cascia | PG | 16 | 3217 | 10823 |
Preci | PG | 17 | 724 | 11547 |
Montemonaco | AP | 18 | 604 | 12151 |
Acquasanta Terme | AP | 18 | 2916 | 15067 |
Cittareale | RI | 18 | 482 | 15549 |
Amatrice | RI | 18 | 2657 | 18206 |
Ussita | MC | 19 | 444 | 18650 |
Visso | MC | 19 | 1107 | 19757 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.0 | 2020-10-21 22:17:08 |
42.7768 | 13.1948 | 6 | 2020-10-21 22:25:24 |
Sala Sismica INGV-Roma | 84004821 |
Field | Value |
---|---|
Time (UTC) | 2020-10-21 22:17:08 ± 0.11 |
Latitude | 42.7768 ± 0.0036 |
Longitude | 13.1948 ± 0.0061 |
Depth (km) | 6 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 84004821 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 478 |
Semi-minor axis of confidence ellipse (meter) | 106 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 85 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 480.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 65 |
Number of associated phases, regardless of their use for origin computation | 22 |
Number of defining phases | 22 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.26 |
Epicentral distance of station closest to the epicenter (degree) | 0.08184 |
Epicentral distance of station farthest from the epicenter (degree) | 0.40919 |
Number of stations at which the event was observed | 13 |
Number of stations from which data was used for origin computation | 13 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.2 |
Num. used stations | 14 |
Type of magnitude | ML |
Reference to an origin | 84004821 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-10-21 22:25:24 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MNTT.EHZ. | 2020-10-21T22:17:18.02 | 0.3 | undecidable | manual | P | 46 | 45.4212 | 50 | 0.47 | 86 |
IV.GAVE.EHZ. | 2020-10-21T22:17:18.00 | 0.6 | undecidable | manual | S | 249 | 26.2515 | 104 | 0.09 | 64 |
IV.FDMO.HHZ. | 2020-10-21T22:17:18.98 | 0.6 | undecidable | manual | S | 343 | 30.1476 | 102 | -0.24 | 62 |
IV.LNSS.HHZ. | 2020-10-21T22:17:17.04 | 0.6 | undecidable | manual | S | 213 | 23.0547 | 105 | 0.2 | 63 |
IV.SMA1.EHZ. | 2020-10-21T22:17:15.09 | 0.6 | undecidable | manual | S | 145 | 19.869 | 108 | -0.69 | 55 |
IV.MF5.EHZ. | 2020-10-21T22:17:15.03 | 0.3 | undecidable | manual | P | 43 | 31.8459 | 101 | 0 | 97 |
IV.MC2.EHZ. | 2020-10-21T22:17:15.08 | 0.6 | undecidable | manual | S | 358 | 14.9739 | 113 | 0.9 | 51 |
IV.T1299.EHZ. | 2020-10-21T22:17:15.57 | 0.6 | undecidable | manual | S | 156 | 17.3715 | 110 | 0.62 | 57 |
IV.CSP1.EHZ. | 2020-10-21T22:17:15.09 | 0.3 | undecidable | manual | P | 1 | 34.9428 | 100 | -0.56 | 85 |
IV.FDMO.HHZ. | 2020-10-21T22:17:14.40 | 0.3 | undecidable | manual | P | 343 | 30.1476 | 102 | -0.31 | 92 |
IV.RM33.EHZ. | 2020-10-21T22:17:14.51 | 0.3 | undecidable | manual | P | 177 | 29.748 | 102 | -0.13 | 95 |
IV.MMO1.EHZ. | 2020-10-21T22:17:14.94 | 0.6 | undecidable | manual | S | 38 | 17.2716 | 110 | -0.01 | 66 |
IV.MTRA.HNZ. | 2020-10-21T22:17:14.63 | 0.6 | undecidable | manual | S | 98 | 16.5723 | 111 | -0.07 | 66 |
IV.GAVE.EHZ. | 2020-10-21T22:17:13.77 | 0.3 | undecidable | manual | P | 249 | 26.2515 | 104 | -0.18 | 95 |
IV.LNSS.HHZ. | 2020-10-21T22:17:13.27 | 0.3 | undecidable | manual | P | 213 | 23.0547 | 105 | -0.06 | 98 |
IV.T1299.EHZ. | 2020-10-21T22:17:12.46 | 0.3 | undecidable | manual | P | 156 | 17.3715 | 110 | 0.22 | 95 |
IV.MMO1.EHZ. | 2020-10-21T22:17:12.08 | 0.3 | undecidable | manual | P | 38 | 17.2716 | 110 | -0.16 | 97 |
IV.MTRA.HNZ. | 2020-10-21T22:17:12.18 | 0.6 | undecidable | manual | P | 98 | 16.5723 | 111 | 0.08 | 65 |
IV.NRCA.HHZ. | 2020-10-21T22:17:12.45 | 0.3 | undecidable | manual | S | 314 | 9.0798 | 125 | 0.06 | 100 |
IV.SMA1.EHZ. | 2020-10-21T22:17:12.65 | 0.3 | undecidable | manual | P | 145 | 19.869 | 108 | -0.07 | 98 |
IV.MC2.EHZ. | 2020-10-21T22:17:11.99 | 0.3 | undecidable | manual | P | 358 | 14.9739 | 113 | 0.2 | 96 |
IV.NRCA.HHZ. | 2020-10-21T22:17:10.82 | 0.3 | undecidable | manual | P | 314 | 9.0798 | 125 | 0.06 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:1.2 | 0.0002742775 | 0.0896 | AML | other | m | 2020-10-21T22:17:12.93 |
IV.NRCA.HHN. | ML:1.1 | 0.00019764555 | 0.128 | AML | other | m | 2020-10-21T22:17:13.15 |
IV.NRCA.HNE. | ML:1.2 | 0.00023869274999999997 | 0.0768 | AML | other | m | 2020-10-21T22:17:12.93 |
IV.NRCA.HNN. | ML:1.0 | 0.000183606 | 0.1024 | AML | other | m | 2020-10-21T22:17:13.21 |
IV.SMA1.EHN. | ML:0.6 | 0.00002967472 | 0.256 | AML | other | m | 2020-10-21T22:17:15.81 |
IV.LNSS.HNE. | ML:1.1 | 0.00009149899 | 0.4096 | AML | other | m | 2020-10-21T22:17:17.08 |
IV.LNSS.HHE. | ML:1.0 | 0.00006288059 | 0.1536 | AML | other | m | 2020-10-21T22:17:18.19 |
IV.LNSS.HHN. | ML:1.0 | 0.00006861413499999999 | 0.1792 | AML | other | m | 2020-10-21T22:17:17.62 |
IV.GAVE.EHE. | ML:1.0 | 0.000061243805 | 0.1408 | AML | other | m | 2020-10-21T22:17:19.35 |
IV.GAVE.EHN. | ML:1.0 | 0.00006091671 | 0.1408 | AML | other | m | 2020-10-21T22:17:18.63 |
IV.RM33.EHE. | ML:0.8 | 0.00003056253 | 0.1408 | AML | other | m | 2020-10-21T22:17:20.49 |
IV.RM33.EHN. | ML:0.9 | 0.000040075625 | 0.192 | AML | other | m | 2020-10-21T22:17:19.11 |
IV.CSP1.EHE. | ML:1.0 | 0.00004581459 | 0.384 | AML | other | m | 2020-10-21T22:17:22.73 |
IV.CSP1.EHN. | ML:1.2 | 0.000059478749999999994 | 0.1792 | AML | other | m | 2020-10-21T22:17:21.36 |