A magnitude ML 1.4 earthquake occured in region: 2 km NE Arquata del Tronto (AP), on
and geographic coordinates (lat, lon) 42.7870, 13.3150 at 19 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 | 2 | 1178 | 1178 |
Montegallo | AP | 6 | 523 | 1701 |
Acquasanta Terme | AP | 8 | 2916 | 4617 |
Accumoli | RI | 12 | 667 | 5284 |
Montemonaco | AP | 13 | 604 | 5888 |
Roccafluvione | AP | 16 | 2010 | 7898 |
Valle Castellana | TE | 16 | 977 | 8875 |
Palmiano | AP | 17 | 196 | 9071 |
Montefortino | FM | 18 | 1178 | 10249 |
Amatrice | RI | 18 | 2657 | 12906 |
Castelsantangelo sul Nera | MC | 18 | 281 | 13187 |
Venarotta | AP | 18 | 2066 | 15253 |
Norcia | PG | 18 | 4957 | 20210 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.4 | 2021-01-01 20:17:21 |
42.7872 | 13.3152 | 19 | 2021-01-01 20:24:09 |
Sala Sismica INGV-Roma | 85947501 |
Field | Value |
---|---|
Time (UTC) | 2021-01-01 20:17:21 ± 0.08 |
Latitude | 42.7872 ± 0.0027 |
Longitude | 13.3152 ± 0.0061 |
Depth (km) | 19 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 85947501 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 558 |
Semi-minor axis of confidence ellipse (meter) | 74 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 250 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 560.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 60 |
Number of associated phases, regardless of their use for origin computation | 32 |
Number of defining phases | 31 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.19 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.37142 |
Number of stations at which the event was observed | 17 |
Number of stations from which data was used for origin computation | 16 |
Field | Value |
---|---|
Value | 1.4 |
Uncertainty | 0.1 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 85947501 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-01-01 20:24:09 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.PF6.EHN. | 2021-01-01T20:17:34.29 | 0.6 | undecidable | manual | S | 346 | 40.1265 | 106 | -0.21 | 46 |
IV.CESI.HHZ. | 2021-01-01T20:17:34.68 | 0.6 | undecidable | manual | S | 306 | 41.2254 | 105 | -0.09 | 47 |
IV.CSP1.EHZ. | 2021-01-01T20:17:33.01 | 0.6 | undecidable | manual | S | 345 | 34.9428 | 109 | -0.17 | 46 |
IT.MTCL.HGZ. | 2021-01-01T20:17:32.91 | 0.6 | undecidable | manual | S | 312 | 34.4433 | 109 | -0.14 | 47 |
IV.FDMO.HHZ. | 2021-01-01T20:17:32.78 | 0.6 | undecidable | manual | S | 326 | 33.2445 | 110 | 0.03 | 49 |
IV.LNSS.HHZ. | 2021-01-01T20:17:32.27 | 0.6 | undecidable | manual | S | 228 | 30.3474 | 112 | 0.25 | 46 |
IV.TERO.HHE. | 2021-01-01T20:17:31.62 | 0.6 | undecidable | manual | S | 128 | 29.748 | 113 | -0.27 | 46 |
IV.MF5.EHZ. | 2021-01-01T20:17:31.39 | 0.6 | undecidable | manual | S | 28 | 25.1526 | 118 | 0.62 | 43 |
IV.CAMP.HHE. | 2021-01-01T20:17:31.39 | 0.6 | undecidable | manual | S | 165 | 28.9488 | 114 | -0.29 | 47 |
IV.CESI.HHZ. | 2021-01-01T20:17:29.02 | 0.6 | positive | manual | P | 306 | 41.2254 | 105 | 0.06 | 48 |
IV.MNTT.EHZ. | 2021-01-01T20:17:29.11 | 3.0 | negative | manual | P | 0.33 | 0 | |||
IV.T1299.HNE. | 2021-01-01T20:17:29.26 | 0.3 | undecidable | manual | S | 189 | 17.1717 | 130 | 0.26 | 70 |
IV.NRCA.HHZ. | 2021-01-01T20:17:29.00 | 0.3 | undecidable | manual | S | 288 | 17.1717 | 131 | 0.01 | 75 |
IV.MC2.EHE. | 2021-01-01T20:17:29.15 | 0.6 | undecidable | manual | S | 323 | 17.1717 | 130 | 0.15 | 49 |
IV.SMA1.EHZ. | 2021-01-01T20:17:28.77 | 0.6 | undecidable | manual | S | 175 | 17.4714 | 130 | -0.29 | 48 |
IV.OFFI.HHZ. | 2021-01-01T20:17:28.60 | 1.0 | undecidable | manual | P | 61 | 34.3434 | 109 | 0.65 | 21 |
IT.MTCL.HGZ. | 2021-01-01T20:17:28.20 | 0.1 | undecidable | manual | P | 312 | 34.4433 | 109 | 0.23 | 93 |
IV.PF6.EHN. | 2021-01-01T20:17:28.61 | 0.1 | undecidable | manual | P | 346 | 40.1265 | 106 | -0.2 | 92 |
IV.FDMO.HHZ. | 2021-01-01T20:17:27.62 | 0.3 | negative | manual | P | 326 | 33.2445 | 110 | -0.19 | 70 |
IV.LNSS.HHZ. | 2021-01-01T20:17:27.44 | 0.1 | undecidable | manual | P | 228 | 30.3474 | 112 | 0.06 | 97 |
IV.CSP1.EHZ. | 2021-01-01T20:17:27.90 | 0.3 | negative | manual | P | 345 | 34.9428 | 109 | -0.15 | 70 |
IV.MTRA.EHZ. | 2021-01-01T20:17:27.10 | 0.6 | undecidable | manual | S | 117 | 7.4814 | 155 | -0.31 | 48 |
IV.TERO.HHE. | 2021-01-01T20:17:27.59 | 0.1 | undecidable | manual | P | 128 | 29.748 | 113 | 0.29 | 92 |
IV.MMO1.EHZ. | 2021-01-01T20:17:27.89 | 0.6 | undecidable | manual | S | 4 | 12.4764 | 141 | -0.23 | 48 |
IV.CAMP.HHE. | 2021-01-01T20:17:26.89 | 0.1 | undecidable | manual | P | 165 | 28.9488 | 114 | -0.29 | 93 |
IV.MF5.EHZ. | 2021-01-01T20:17:26.96 | 0.6 | undecidable | manual | P | 28 | 25.1526 | 118 | 0.3 | 47 |
IV.MMO1.EHZ. | 2021-01-01T20:17:25.03 | 0.3 | negative | manual | P | 4 | 12.4764 | 141 | -0.1 | 74 |
IV.T1299.HNE. | 2021-01-01T20:17:25.77 | 0.1 | undecidable | manual | P | 189 | 17.1717 | 130 | 0.14 | 97 |
IV.NRCA.HHZ. | 2021-01-01T20:17:25.59 | 0.1 | positive | manual | P | 288 | 17.1717 | 131 | -0.04 | 99 |
IV.MC2.EHE. | 2021-01-01T20:17:25.86 | 0.1 | undecidable | manual | P | 323 | 17.1717 | 130 | 0.22 | 96 |
IV.SMA1.EHZ. | 2021-01-01T20:17:25.66 | 0.1 | negative | manual | P | 175 | 17.4714 | 130 | -0.01 | 100 |
IV.MTRA.EHZ. | 2021-01-01T20:17:24.62 | 0.1 | negative | manual | P | 117 | 7.4814 | 155 | -0.1 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MTRA.EHE. | ML:1.6 | 0.0003175 | 0.44 | AML | other | m | 2021-01-01T20:17:27.23 |
IV.MTRA.EHN. | ML:1.4 | 0.00023549999999999998 | 0.24 | AML | other | m | 2021-01-01T20:17:27.64 |
IV.SMA1.EHE. | ML:1.3 | 0.0001205 | 0.12 | AML | other | m | 2021-01-01T20:17:29.30 |
IV.SMA1.EHN. | ML:1.4 | 0.00014549999999999999 | 0.28 | AML | other | m | 2021-01-01T20:17:29.13 |
IV.CESI.HHE. | ML:1.4 | 0.00007694999999999999 | 0.38 | AML | other | m | 2021-01-01T20:17:35.54 |
IV.CESI.HHN. | ML:1.3 | 0.00006355 | 1.54 | AML | other | m | 2021-01-01T20:17:36.94 |