A magnitude ML 1.2 earthquake occured in region: 4 km SW Arquata del Tronto (AP), on
and geographic coordinates (lat, lon) 42.7460, 13.2590 at 12 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 | 4 | 1178 | 1178 |
Accumoli | RI | 6 | 667 | 1845 |
Montegallo | AP | 12 | 523 | 2368 |
Acquasanta Terme | AP | 13 | 2916 | 5284 |
Amatrice | RI | 13 | 2657 | 7941 |
Norcia | PG | 15 | 4957 | 12898 |
Cittareale | RI | 16 | 482 | 13380 |
Montemonaco | AP | 18 | 604 | 13984 |
Castelsantangelo sul Nera | MC | 19 | 281 | 14265 |
Valle Castellana | TE | 20 | 977 | 15242 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.2 | 2020-10-07 22:48:19 |
42.7465 | 13.259 | 12 | 2020-10-07 22:54:06 |
Sala Sismica INGV-Roma | 83598141 |
Field | Value |
---|---|
Time (UTC) | 2020-10-07 22:48:19 ± 0.05 |
Latitude | 42.7465 ± 0.0018 |
Longitude | 13.2590 ± 0.0037 |
Depth (km) | 12 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 83598141 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 339 |
Semi-minor axis of confidence ellipse (meter) | 63 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 259 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 340.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 81 |
Number of associated phases, regardless of their use for origin computation | 16 |
Number of defining phases | 16 |
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) | 0.10162 |
Epicentral distance of station farthest from the epicenter (degree) | 0.34714 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.1 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 83598141 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-10-07 22:54:06 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CSP1.EHZ. | 2020-10-07T22:48:32.50 | 0.1 | undecidable | manual | S | 353 | 38.5281 | 92 | 0.14 | 95 |
IV.TERO.HHZ. | 2020-10-07T22:48:30.24 | 0.1 | undecidable | manual | S | 116 | 31.3464 | 93 | -0.17 | 95 |
IV.RM33.EHZ. | 2020-10-07T22:48:29.38 | 0.1 | undecidable | manual | S | 188 | 26.5512 | 94 | 0.22 | 94 |
IV.LNSS.HHZ. | 2020-10-07T22:48:28.37 | 0.1 | undecidable | manual | S | 228 | 23.9538 | 94 | -0.08 | 98 |
IV.CSP1.EHZ. | 2020-10-07T22:48:26.79 | 0.1 | undecidable | manual | P | 353 | 38.5281 | 92 | -0.18 | 93 |
IV.NRCA.HHZ. | 2020-10-07T22:48:26.05 | 0.1 | undecidable | manual | S | 309 | 15.2736 | 106 | -0.11 | 99 |
IV.MMO1.EHZ. | 2020-10-07T22:48:26.88 | 0.1 | undecidable | manual | S | 18 | 17.871 | 100 | 0.05 | 100 |
IV.TERO.HHZ. | 2020-10-07T22:48:25.81 | 0.1 | undecidable | manual | P | 116 | 31.3464 | 93 | -0.03 | 97 |
IV.MTRA.HNZ. | 2020-10-07T22:48:25.39 | 0.1 | undecidable | manual | S | 84 | 11.2776 | 120 | 0.21 | 97 |
IV.SMA1.EHZ. | 2020-10-07T22:48:25.73 | 0.1 | undecidable | manual | S | 154 | 14.2746 | 109 | -0.19 | 98 |
IV.RM33.EHZ. | 2020-10-07T22:48:25.08 | 0.1 | undecidable | manual | P | 188 | 26.5512 | 94 | -0.05 | 98 |
IV.LNSS.HHZ. | 2020-10-07T22:48:24.72 | 0.1 | positive | manual | P | 228 | 23.9538 | 94 | 0.01 | 99 |
IV.SMA1.EHZ. | 2020-10-07T22:48:23.56 | 0.1 | undecidable | manual | P | 154 | 14.2746 | 109 | 0.31 | 95 |
IV.MMO1.EHZ. | 2020-10-07T22:48:23.75 | 0.1 | undecidable | manual | P | 18 | 17.871 | 100 | -0.03 | 100 |
IV.NRCA.HHZ. | 2020-10-07T22:48:23.46 | 0.1 | negative | manual | P | 309 | 15.2736 | 106 | 0.07 | 100 |
IV.MTRA.HNZ. | 2020-10-07T22:48:22.69 | 0.1 | undecidable | manual | P | 84 | 11.2776 | 120 | -0.14 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:1.3 | 0.000188 | 0.16 | AML | other | m | 2020-10-07T22:48:26.32 |
IV.NRCA.HHN. | ML:1.2 | 0.0001245 | 0.08 | AML | other | m | 2020-10-07T22:48:26.71 |