A magnitude ML 1.1 earthquake occured in region: 3 km W Accumoli (RI), on
and geographic coordinates (lat, lon) 42.6900, 13.2070 at 8 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 | 4 | 667 | 667 |
Cittareale | RI | 9 | 482 | 1149 |
Amatrice | RI | 10 | 2657 | 3806 |
Arquata del Tronto | AP | 12 | 1178 | 4984 |
Norcia | PG | 15 | 4957 | 9941 |
Cascia | PG | 16 | 3217 | 13158 |
Montereale | AQ | 19 | 2581 | 15739 |
Acquasanta Terme | AP | 19 | 2916 | 18655 |
Campotosto | AQ | 20 | 542 | 19197 |
Montegallo | AP | 20 | 523 | 19720 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2021-12-19 03:00:47 |
42.6898 | 13.2067 | 8 | 2021-12-19 03:05:08 |
Sala Sismica INGV-Roma | 98709591 |
Field | Value |
---|---|
Time (UTC) | 2021-12-19 03:00:47 ± 0.14 |
Latitude | 42.6898 ± 0.0045 |
Longitude | 13.2067 ± 0.0073 |
Depth (km) | 8 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 98709591 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 569 |
Semi-minor axis of confidence ellipse (meter) | 197 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 282 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 570.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 64 |
Number of associated phases, regardless of their use for origin computation | 22 |
Number of defining phases | 22 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.4 |
Epicentral distance of station closest to the epicenter (degree) | 0.11152 |
Epicentral distance of station farthest from the epicenter (degree) | 0.40200 |
Number of stations at which the event was observed | 11 |
Number of stations from which data was used for origin computation | 11 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.2 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 98709591 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-12-19 03:05:08 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MF5.EHZ. | 2021-12-19T03:01:02.05 | 0.1 | undecidable | manual | S | 32 | 38.9277 | 50 | 1.09 | 76 |
IV.CSP1.EHZ. | 2021-12-19T03:01:02.90 | 0.1 | undecidable | manual | S | 360 | 44.622 | 50 | 0.43 | 93 |
IV.TERO.HHZ. | 2021-12-19T03:00:58.59 | 0.1 | undecidable | manual | S | 103 | 33.2445 | 104 | -0.77 | 78 |
IV.GAVE.EHZ. | 2021-12-19T03:00:56.21 | 0.1 | undecidable | manual | S | 271 | 25.4523 | 108 | -0.56 | 87 |
IV.MMO1.EHZ. | 2021-12-19T03:00:56.38 | 0.1 | undecidable | manual | S | 23 | 25.2525 | 108 | -0.3 | 95 |
IV.MC2.EHZ. | 2021-12-19T03:00:56.74 | 0.1 | undecidable | manual | S | 357 | 24.6531 | 108 | 0.25 | 92 |
IV.CSP1.EHZ. | 2021-12-19T03:00:55.49 | 0.6 | positive | manual | P | 360 | 44.622 | 50 | -0.65 | 37 |
IV.RM33.EHZ. | 2021-12-19T03:00:55.00 | 0.1 | undecidable | manual | S | 178 | 20.0688 | 112 | 0 | 99 |
IV.MF5.EHZ. | 2021-12-19T03:00:55.24 | 0.6 | negative | manual | P | 32 | 38.9277 | 50 | -0.03 | 46 |
IV.LNSS.HHZ. | 2021-12-19T03:00:54.44 | 0.1 | undecidable | manual | S | 235 | 16.6722 | 116 | 0.52 | 89 |
IV.NRCA.HHZ. | 2021-12-19T03:00:54.11 | 0.1 | undecidable | manual | S | 335 | 17.6712 | 115 | -0.12 | 100 |
IV.SMA1.EHZ. | 2021-12-19T03:00:53.19 | 0.1 | undecidable | manual | S | 122 | 12.3765 | 124 | 0.56 | 86 |
IV.TERO.HHZ. | 2021-12-19T03:00:53.85 | 0.6 | undecidable | manual | P | 103 | 33.2445 | 104 | -0.49 | 43 |
IV.MTRA.EHZ. | 2021-12-19T03:00:53.88 | 0.1 | undecidable | manual | S | 64 | 17.1717 | 116 | -0.2 | 98 |
IV.MMO1.EHZ. | 2021-12-19T03:00:52.58 | 0.6 | undecidable | manual | P | 23 | 25.2525 | 108 | -0.21 | 47 |
IV.MC2.EHZ. | 2021-12-19T03:00:52.62 | 1.0 | negative | manual | P | 357 | 24.6531 | 108 | -0.06 | 24 |
IV.GAVE.EHZ. | 2021-12-19T03:00:52.46 | 1.0 | negative | manual | P | 271 | 25.4523 | 108 | -0.38 | 23 |
IV.NRCA.HHZ. | 2021-12-19T03:00:51.31 | 0.1 | negative | manual | P | 335 | 17.6712 | 115 | -0.06 | 99 |
IV.MTRA.EHZ. | 2021-12-19T03:00:51.32 | 0.6 | undecidable | manual | P | 64 | 17.1717 | 116 | 0.03 | 50 |
IV.RM33.EHZ. | 2021-12-19T03:00:51.71 | 0.1 | positive | manual | P | 178 | 20.0688 | 112 | -0.11 | 96 |
IV.LNSS.HHZ. | 2021-12-19T03:00:51.22 | 0.1 | positive | manual | P | 235 | 16.6722 | 116 | 0.02 | 100 |
IV.SMA1.EHZ. | 2021-12-19T03:00:50.91 | 0.3 | negative | manual | P | 122 | 12.3765 | 124 | 0.46 | 69 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.SMA1.EHE. | ML:1.0 | 0.00013550000000000001 | 0.16 | AML | other | m | 2021-12-19T03:00:53.66 |
IV.SMA1.EHN. | ML:0.9 | 0.00010215 | 0.56 | AML | other | m | 2021-12-19T03:00:53.72 |
IV.MTRA.EHN. | ML:1.0 | 0.00009029999999999999 | 0.38 | AML | other | m | 2021-12-19T03:00:54.27 |
IV.NRCA.HHE. | ML:1.5 | 0.0003035 | 0.16 | AML | other | m | 2021-12-19T03:00:54.39 |
IV.MTRA.EHE. | ML:1.2 | 0.0001445 | 0.32 | AML | other | m | 2021-12-19T03:00:54.89 |
IV.LNSS.HHE. | ML:1.1 | 0.000125 | 0.9 | AML | other | m | 2021-12-19T03:00:54.45 |
IV.NRCA.HHN. | ML:1.0 | 0.00008945 | 1.34 | AML | other | m | 2021-12-19T03:00:55.90 |
IV.LNSS.HHN. | ML:1.1 | 0.00010655 | 0.44 | AML | other | m | 2021-12-19T03:00:55.73 |
IV.GAVE.EHN. | ML:1.1 | 0.0000687 | 0.88 | AML | other | m | 2021-12-19T03:00:56.53 |
IV.GAVE.EHE. | ML:1.0 | 0.00006429999999999999 | 1.14 | AML | other | m | 2021-12-19T03:00:57.02 |