A magnitude ML 0.4 earthquake occured in region: 2 km NW Accumoli (RI), on
and geographic coordinates (lat, lon) 42.7130, 13.2300 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 |
Arquata del Tronto | AP | 9 | 1178 | 1845 |
Amatrice | RI | 10 | 2657 | 4502 |
Cittareale | RI | 12 | 482 | 4984 |
Norcia | PG | 14 | 4957 | 9941 |
Acquasanta Terme | AP | 16 | 2916 | 12857 |
Montegallo | AP | 17 | 523 | 13380 |
Cascia | PG | 18 | 3217 | 16597 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.4 | 2021-11-07 18:19:23 |
42.7132 | 13.2302 | 11 | 2021-11-07 18:28:31 |
Sala Sismica INGV-Roma | 97321351 |
Field | Value |
---|---|
Time (UTC) | 2021-11-07 18:19:23 ± 0.1 |
Latitude | 42.7132 ± 0.0036 |
Longitude | 13.2302 ± 0.0061 |
Depth (km) | 11 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 97321351 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 394 |
Semi-minor axis of confidence ellipse (meter) | 390 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 87 |
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) | 93 |
Number of associated phases, regardless of their use for origin computation | 13 |
Number of defining phases | 13 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.23 |
Epicentral distance of station closest to the epicenter (degree) | 0.11331 |
Epicentral distance of station farthest from the epicenter (degree) | 0.28868 |
Number of stations at which the event was observed | 7 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 0.4 |
Uncertainty | 0.3 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 97321351 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-11-07 18:28:31 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.TERO.HHZ. | 2021-11-07T18:19:34.12 | 0.3 | undecidable | manual | S | 108 | 32.0457 | 50 | -0.28 | 69 |
IV.RM33.EHZ. | 2021-11-07T18:19:31.87 | 0.3 | undecidable | manual | S | 183 | 22.6551 | 50 | -0.02 | 74 |
IV.MMO1.EHZ. | 2021-11-07T18:19:31.74 | 0.3 | undecidable | manual | S | 21 | 22.0668 | 50 | 0.02 | 75 |
IV.LNSS.HHZ. | 2021-11-07T18:19:30.86 | 0.3 | undecidable | manual | S | 232 | 19.7691 | 118 | -0.21 | 72 |
IV.NRCA.HHZ. | 2021-11-07T18:19:29.86 | 0.3 | undecidable | manual | S | 325 | 16.3725 | 123 | -0.2 | 73 |
IV.TERO.HHZ. | 2021-11-07T18:19:29.74 | 0.3 | undecidable | manual | P | 108 | 32.0457 | 50 | 0.05 | 74 |
IV.MMO1.EHZ. | 2021-11-07T18:19:28.28 | 0.1 | undecidable | manual | P | 21 | 22.0668 | 50 | 0.12 | 98 |
IV.SMA1.EHZ. | 2021-11-07T18:19:28.74 | 0.3 | undecidable | manual | S | 137 | 12.5763 | 130 | -0.26 | 74 |
IV.RM33.EHZ. | 2021-11-07T18:19:28.80 | 0.1 | undecidable | manual | P | 183 | 22.6551 | 50 | 0.55 | 90 |
IV.NRCA.HHZ. | 2021-11-07T18:19:27.27 | 0.1 | undecidable | manual | P | 325 | 16.3725 | 123 | 0.08 | 100 |
IV.LNSS.HHZ. | 2021-11-07T18:19:27.75 | 0.1 | undecidable | manual | P | 232 | 19.7691 | 118 | -0.03 | 100 |
IV.MTRA.HNZ. | 2021-11-07T18:19:26.94 | 0.1 | undecidable | manual | P | 70 | 14.3745 | 127 | 0.07 | 99 |
IV.SMA1.EHZ. | 2021-11-07T18:19:26.70 | 0.1 | undecidable | manual | P | 137 | 12.5763 | 130 | 0.12 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:0.7 | 0.0000388 | 0.06 | AML | other | m | 2021-11-07T18:19:30.14 |
IV.NRCA.HHE. | ML:0.7 | 0.000044110545 | 0.0896 | AML | other | m | 2021-11-07T18:19:30.58 |
IV.SMA1.EHE. | ML:0.0 | 0.000011864952999999999 | 0.0768 | AML | other | m | 2021-11-07T18:19:29.41 |
IV.SMA1.EHN. | ML:0.0 | 0.0000109464666 | 0.1408 | AML | other | m | 2021-11-07T18:19:29.54 |
IV.NRCA.HNE. | ML:0.6 | 0.0000356917575 | 0.1024 | AML | other | m | 2021-11-07T18:19:30.30 |
IV.TERO.HHN. | ML:0.4 | 0.000008527065000000001 | 0.064 | AML | other | m | 2021-11-07T18:19:34.46 |