A magnitude ML 0.8 earthquake occured in region: 1 km E Accumoli (RI), on
and geographic coordinates (lat, lon) 42.6910, 13.2650 at 13 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 |
---|---|---|---|---|
Accumoli | RI | 1 | 667 | 667 |
Amatrice | RI | 7 | 2657 | 3324 |
Arquata del Tronto | AP | 10 | 1178 | 4502 |
Cittareale | RI | 12 | 482 | 4984 |
Acquasanta Terme | AP | 15 | 2916 | 7900 |
Campotosto | AQ | 17 | 542 | 8442 |
Montegallo | AP | 18 | 523 | 8965 |
Norcia | PG | 18 | 4957 | 13922 |
Montereale | AQ | 19 | 2581 | 16503 |
Capitignano | AQ | 19 | 665 | 17168 |
Valle Castellana | TE | 20 | 977 | 18145 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.8 | 2020-10-21 18:13:08 |
42.6912 | 13.2648 | 13 | 2020-10-21 18:18:29 |
Sala Sismica INGV-Roma | 83998191 |
Field | Value |
---|---|
Time (UTC) | 2020-10-21 18:13:08 ± 0.05 |
Latitude | 42.6912 ± 0.0036 |
Longitude | 13.2648 ± 0.0037 |
Depth (km) | 13 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 83998191 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 320 |
Semi-minor axis of confidence ellipse (meter) | 234 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 260 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 320.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 52 |
Number of associated phases, regardless of their use for origin computation | 19 |
Number of defining phases | 19 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.12 |
Epicentral distance of station closest to the epicenter (degree) | 0.05846 |
Epicentral distance of station farthest from the epicenter (degree) | 0.40290 |
Number of stations at which the event was observed | 12 |
Number of stations from which data was used for origin computation | 12 |
Field | Value |
---|---|
Value | 0.8 |
Uncertainty | 0.2 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 83998191 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-10-21 18:18:29 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.GAVE.EHZ. | 2020-10-21T18:13:19.11 | 0.6 | undecidable | manual | S | 270 | 30.2475 | 95 | 0 | 49 |
IV.TERO.HHZ. | 2020-10-21T18:13:18.54 | 0.6 | undecidable | manual | S | 105 | 28.6491 | 95 | -0.15 | 48 |
IV.CSP1.EHZ. | 2020-10-21T18:13:16.88 | 1.0 | positive | manual | P | 354 | 44.7219 | 93 | 0.01 | 24 |
IV.NRCA.HHZ. | 2020-10-21T18:13:16.05 | 0.6 | undecidable | manual | S | 322 | 19.9689 | 102 | -0.35 | 46 |
IV.RM33.EHZ. | 2020-10-21T18:13:16.48 | 0.6 | undecidable | manual | S | 192 | 20.6682 | 101 | -0.09 | 49 |
IV.GAVE.EHZ. | 2020-10-21T18:13:14.63 | 1.0 | undecidable | manual | P | 270 | 30.2475 | 95 | -0.02 | 24 |
IV.MC2.EHZ. | 2020-10-21T18:13:14.09 | 0.6 | negative | manual | P | 346 | 25.1526 | 97 | 0.22 | 47 |
IV.MTRA.HNN. | 2020-10-21T18:13:14.48 | 0.6 | undecidable | manual | S | 56 | 12.9759 | 118 | -0.15 | 49 |
IV.TERO.HHZ. | 2020-10-21T18:13:14.42 | 0.6 | undecidable | manual | P | 105 | 28.6491 | 95 | 0.01 | 49 |
IV.NRCA.HHZ. | 2020-10-21T18:13:13.09 | 0.1 | positive | manual | P | 322 | 19.9689 | 102 | 0.01 | 100 |
IV.CAMP.HHE. | 2020-10-21T18:13:13.15 | 0.1 | undecidable | manual | P | 146 | 20.868 | 100 | -0.07 | 98 |
IV.LNSS.HNZ. | 2020-10-21T18:13:13.22 | 0.1 | undecidable | manual | P | 242 | 20.7681 | 101 | 0.01 | 100 |
IV.RM33.EHZ. | 2020-10-21T18:13:13.27 | 0.3 | positive | manual | P | 192 | 20.6682 | 101 | 0.09 | 74 |
IV.SMA1.EHZ. | 2020-10-21T18:13:13.57 | 0.6 | undecidable | manual | S | 140 | 8.88 | 134 | -0.17 | 49 |
IV.MMO1.EHZ. | 2020-10-21T18:13:13.60 | 0.6 | undecidable | manual | P | 12 | 23.6541 | 98 | -0.04 | 50 |
IV.T1299.HNN. | 2020-10-21T18:13:13.18 | 0.6 | undecidable | manual | S | 167 | 6.4935 | 145 | -0.15 | 49 |
IV.MTRA.HNN. | 2020-10-21T18:13:12.19 | 0.1 | undecidable | manual | P | 56 | 12.9759 | 118 | 0.12 | 98 |
IV.SMA1.EHZ. | 2020-10-21T18:13:11.73 | 0.6 | positive | manual | P | 140 | 8.88 | 134 | 0.17 | 49 |
IV.T1299.HNN. | 2020-10-21T18:13:11.53 | 0.1 | undecidable | manual | P | 167 | 6.4935 | 145 | 0.22 | 98 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.SMA1.EHE. | ML:0.9 | 0.00008817626000000001 | 0.1536 | AML | other | m | 2020-10-21T18:13:13.80 |
IV.SMA1.EHN. | ML:1.0 | 0.00010858910499999999 | 0.2048 | AML | other | m | 2020-10-21T18:13:14.14 |
IV.TERO.HHE. | ML:0.6 | 0.000021758115000000002 | 0.064 | AML | other | m | 2020-10-21T18:13:19.35 |
IV.TERO.HHN. | ML:0.8 | 0.000029311045 | 0.064 | AML | other | m | 2020-10-21T18:13:19.35 |