A magnitude ML 1.1 earthquake occured in region: 6 km W Arquata del Tronto (AP), on
and geographic coordinates (lat, lon) 42.7720, 13.2290 at 11 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 | 6 | 1178 | 1178 |
Accumoli | RI | 9 | 667 | 1845 |
Norcia | PG | 11 | 4957 | 6802 |
Montegallo | AP | 12 | 523 | 7325 |
Acquasanta Terme | AP | 15 | 2916 | 10241 |
Castelsantangelo sul Nera | MC | 15 | 281 | 10522 |
Montemonaco | AP | 16 | 604 | 11126 |
Amatrice | RI | 17 | 2657 | 13783 |
Cittareale | RI | 18 | 482 | 14265 |
Cascia | PG | 19 | 3217 | 17482 |
Preci | PG | 20 | 724 | 18206 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2022-01-20 04:51:58 |
42.7725 | 13.2288 | 11 | 2022-01-20 04:55:53 |
Sala Sismica INGV-Roma | 99963821 |
Field | Value |
---|---|
Time (UTC) | 2022-01-20 04:51:58 ± 0.05 |
Latitude | 42.7725 ± 0.0027 |
Longitude | 13.2288 ± 0.0049 |
Depth (km) | 11 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 99963821 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 369 |
Semi-minor axis of confidence ellipse (meter) | 209 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 77 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 370.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 68 |
Number of associated phases, regardless of their use for origin computation | 25 |
Number of defining phases | 24 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.17 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.31926 |
Number of stations at which the event was observed | 13 |
Number of stations from which data was used for origin computation | 12 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.2 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 99963821 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2022-01-20 04:55:53 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ARVD.HHZ. | 2022-01-20T04:52:23.26 | 3.0 | undecidable | manual | S | -0.5 | 0 | |||
IV.CSP1.EHZ. | 2022-01-20T04:52:10.21 | 0.6 | undecidable | manual | S | 357 | 35.4423 | 50 | 0.03 | 49 |
IV.GUMA.HHZ. | 2022-01-20T04:52:10.23 | 0.6 | undecidable | manual | S | 15 | 33.3444 | 50 | 0.62 | 42 |
IV.TERO.HHZ. | 2022-01-20T04:52:09.55 | 0.6 | undecidable | manual | S | 118 | 34.8429 | 50 | -0.45 | 45 |
IV.FDMO.HHZ. | 2022-01-20T04:52:08.92 | 0.6 | undecidable | manual | S | 339 | 31.4463 | 50 | -0.19 | 48 |
IV.GAVE.EHZ. | 2022-01-20T04:52:08.31 | 0.6 | undecidable | manual | S | 252 | 28.6491 | 50 | -0.06 | 49 |
IV.RM33.EHZ. | 2022-01-20T04:52:08.75 | 0.6 | undecidable | manual | S | 182 | 29.2485 | 50 | 0.23 | 48 |
IV.LNSS.HHZ. | 2022-01-20T04:52:07.31 | 0.6 | undecidable | manual | S | 219 | 24.2535 | 50 | 0.11 | 49 |
IV.SMA1.EHZ. | 2022-01-20T04:52:05.50 | 0.6 | undecidable | manual | S | 151 | 17.9709 | 121 | 0.04 | 50 |
IV.GUMA.HHZ. | 2022-01-20T04:52:05.03 | 0.1 | undecidable | manual | P | 15 | 33.3444 | 50 | 0.25 | 94 |
IV.MC2.EHZ. | 2022-01-20T04:52:05.04 | 0.6 | undecidable | manual | S | 348 | 15.7731 | 124 | 0.24 | 49 |
IV.TERO.HHZ. | 2022-01-20T04:52:05.00 | 0.1 | undecidable | manual | P | 118 | 34.8429 | 50 | 0 | 99 |
IV.GAVE.EHZ. | 2022-01-20T04:52:04.13 | 1.0 | negative | manual | P | 252 | 28.6491 | 50 | 0.07 | 25 |
IV.CSP1.EHZ. | 2022-01-20T04:52:04.84 | 0.1 | undecidable | manual | P | 357 | 35.4423 | 50 | -0.27 | 93 |
IV.RM33.EHZ. | 2022-01-20T04:52:04.22 | 0.1 | undecidable | manual | P | 182 | 29.2485 | 50 | 0.07 | 98 |
IV.MTRA.EHZ. | 2022-01-20T04:52:04.11 | 0.6 | undecidable | manual | S | 97 | 13.7751 | 128 | -0.14 | 50 |
IV.FDMO.HHZ. | 2022-01-20T04:52:04.23 | 0.1 | undecidable | manual | P | 339 | 31.4463 | 50 | -0.26 | 94 |
IV.MMO1.EHZ. | 2022-01-20T04:52:04.84 | 0.6 | undecidable | manual | S | 29 | 16.1727 | 124 | -0.08 | 50 |
IV.NRCA.HHZ. | 2022-01-20T04:52:03.48 | 0.6 | undecidable | manual | S | 306 | 11.4774 | 133 | -0.18 | 50 |
IV.LNSS.HHZ. | 2022-01-20T04:52:03.36 | 0.1 | undecidable | manual | P | 219 | 24.2535 | 50 | -0.03 | 100 |
IV.MC2.EHZ. | 2022-01-20T04:52:02.10 | 1.0 | undecidable | manual | P | 348 | 15.7731 | 124 | 0.09 | 25 |
IV.MMO1.EHZ. | 2022-01-20T04:52:02.14 | 0.6 | undecidable | manual | P | 29 | 16.1727 | 124 | 0.07 | 50 |
IV.SMA1.EHZ. | 2022-01-20T04:52:02.52 | 1.0 | negative | manual | P | 151 | 17.9709 | 121 | 0.14 | 25 |
IV.NRCA.HHZ. | 2022-01-20T04:52:01.41 | 1.0 | positive | manual | P | 306 | 11.4774 | 133 | 0.07 | 25 |
IV.MTRA.EHZ. | 2022-01-20T04:52:01.84 | 1.0 | undecidable | manual | P | 97 | 13.7751 | 128 | 0.16 | 25 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.1 | 0.00014549999999999999 | 0.58 | AML | other | m | 2022-01-20T04:52:03.69 |
IV.NRCA.HHE. | ML:1.2 | 0.000186 | 0.38 | AML | other | m | 2022-01-20T04:52:04.17 |
IV.MMO1.EHE. | ML:1.2 | 0.000155 | 1.86 | AML | other | m | 2022-01-20T04:52:05.96 |
IV.MTRA.EHE. | ML:0.9 | 0.00008444999999999999 | 1.9 | AML | other | m | 2022-01-20T04:52:05.04 |
IV.MTRA.EHN. | ML:0.9 | 0.00008575 | 1.12 | AML | other | m | 2022-01-20T04:52:05.74 |
IV.SMA1.EHE. | ML:0.8 | 0.0000568 | 0.4 | AML | other | m | 2022-01-20T04:52:05.67 |
IV.MMO1.EHN. | ML:0.8 | 0.00006065 | 0.92 | AML | other | m | 2022-01-20T04:52:05.25 |
IV.SMA1.EHN. | ML:0.7 | 0.0000424 | 0.58 | AML | other | m | 2022-01-20T04:52:05.51 |
IV.GAVE.EHN. | ML:1.0 | 0.00005325 | 1.44 | AML | other | m | 2022-01-20T04:52:09.00 |
IV.GAVE.EHE. | ML:1.1 | 0.000058649999999999996 | 0.8 | AML | other | m | 2022-01-20T04:52:10.06 |
IV.GUMA.HHE. | ML:1.6 | 0.00018099999999999998 | 0.26 | AML | other | m | 2022-01-20T04:52:10.58 |
IV.GUMA.HHN. | ML:1.4 | 0.00010114999999999999 | 0.2 | AML | other | m | 2022-01-20T04:52:10.55 |