A magnitude ML 1.0 earthquake occured in region: 3 km W Accumoli (RI), on
and geographic coordinates (lat, lon) 42.6930, 13.2150 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 |
---|---|---|---|---|
Accumoli | RI | 3 | 667 | 667 |
Amatrice | RI | 9 | 2657 | 3324 |
Cittareale | RI | 9 | 482 | 3806 |
Arquata del Tronto | AP | 11 | 1178 | 4984 |
Norcia | PG | 15 | 4957 | 9941 |
Cascia | PG | 17 | 3217 | 13158 |
Acquasanta Terme | AP | 18 | 2916 | 16074 |
Montereale | AQ | 19 | 2581 | 18655 |
Montegallo | AP | 19 | 523 | 19178 |
Campotosto | AQ | 20 | 542 | 19720 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.0 | 2020-10-18 17:17:15 |
42.6928 | 13.2152 | 11 | 2020-10-18 17:20:58 |
Sala Sismica INGV-Roma | 83889791 |
Field | Value |
---|---|
Time (UTC) | 2020-10-18 17:17:15 ± 0.06 |
Latitude | 42.6928 ± 0.0036 |
Longitude | 13.2152 ± 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 | 83889791 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 386 |
Semi-minor axis of confidence ellipse (meter) | 355 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 212 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 390.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 105 |
Number of associated phases, regardless of their use for origin computation | 17 |
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) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.39840 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.2 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 83889791 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-10-18 17:20:58 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CSP1.EHZ. | 2020-10-18T17:17:29.92 | 0.6 | undecidable | manual | S | 359 | 44.2224 | 50 | 0.11 | 47 |
IV.TERO.HHZ. | 2020-10-18T17:17:26.34 | 0.6 | undecidable | manual | S | 104 | 32.6451 | 50 | -0.37 | 46 |
IV.MC2.EHZ. | 2020-10-18T17:17:24.99 | 0.6 | undecidable | manual | S | 355 | 24.3534 | 50 | 0.5 | 45 |
IV.GAVE.EHZ. | 2020-10-18T17:17:24.82 | 0.6 | undecidable | manual | S | 270 | 26.1516 | 50 | -0.16 | 48 |
IV.CSP1.EHZ. | 2020-10-18T17:17:23.83 | 1.0 | positive | manual | P | 359 | 44.2224 | 50 | 0.09 | 24 |
IV.RM33.EHZ. | 2020-10-18T17:17:23.37 | 0.6 | undecidable | manual | S | 180 | 20.3685 | 118 | -0.06 | 50 |
IV.NRCA.HHZ. | 2020-10-18T17:17:22.14 | 0.6 | undecidable | manual | S | 332 | 17.6712 | 121 | -0.45 | 46 |
IV.LNSS.HHZ. | 2020-10-18T17:17:22.61 | 0.6 | undecidable | manual | S | 235 | 17.3715 | 121 | 0.08 | 50 |
IV.SMA1.EHZ. | 2020-10-18T17:17:21.08 | 0.6 | undecidable | manual | S | 125 | 11.9769 | 132 | 0.07 | 50 |
IV.TERO.HHZ. | 2020-10-18T17:17:21.89 | 0.3 | undecidable | manual | P | 104 | 32.6451 | 50 | -0.06 | 73 |
IV.MF5.EHZ. | 2020-10-18T17:17:21.11 | 3.0 | undecidable | manual | P | -1.67 | 0 | |||
IV.RM33.EHZ. | 2020-10-18T17:17:20.13 | 1.0 | negative | manual | P | 180 | 20.3685 | 118 | 0.08 | 25 |
IV.MC2.EHZ. | 2020-10-18T17:17:20.77 | 1.0 | undecidable | manual | P | 355 | 24.3534 | 50 | 0.1 | 24 |
IV.GAVE.EHZ. | 2020-10-18T17:17:20.86 | 0.1 | undecidable | manual | P | 270 | 26.1516 | 50 | -0.09 | 98 |
IV.LNSS.HHZ. | 2020-10-18T17:17:19.68 | 0.1 | undecidable | manual | P | 235 | 17.3715 | 121 | 0.15 | 98 |
IV.NRCA.HHZ. | 2020-10-18T17:17:19.51 | 0.1 | negative | manual | P | 332 | 17.6712 | 121 | -0.06 | 100 |
IV.SMA1.EHZ. | 2020-10-18T17:17:18.86 | 0.6 | undecidable | manual | P | 125 | 11.9769 | 132 | 0.2 | 49 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.SMA1.EHN. | ML:0.7 | 0.00005135 | 1.88 | AML | other | m | 2020-10-18T17:17:21.04 |
IV.SMA1.EHE. | ML:0.8 | 0.00007314999999999999 | 0.5 | AML | other | m | 2020-10-18T17:17:21.99 |
IV.NRCA.HHN. | ML:1.3 | 0.0001535 | 0.14 | AML | other | m | 2020-10-18T17:17:22.42 |
IV.NRCA.HHE. | ML:1.6 | 0.00031 | 0.18 | AML | other | m | 2020-10-18T17:17:22.51 |
IV.RM33.EHN. | ML:1.0 | 0.00007529999999999999 | 1.06 | AML | other | m | 2020-10-18T17:17:23.63 |
IV.LNSS.HHN. | ML:1.0 | 0.00008425 | 1.34 | AML | other | m | 2020-10-18T17:17:23.02 |
IV.LNSS.HHE. | ML:1.1 | 0.00009795 | 0.12 | AML | other | m | 2020-10-18T17:17:24.13 |
IV.RM33.EHE. | ML:0.9 | 0.00005305 | 1 | AML | other | m | 2020-10-18T17:17:24.11 |
IV.TERO.HHE. | ML:0.8 | 0.0000242 | 1.42 | AML | other | m | 2020-10-18T17:17:27.95 |
IV.TERO.HHN. | ML:0.8 | 0.000029199999999999998 | 0.9 | AML | other | m | 2020-10-18T17:17:27.31 |