A magnitude ML 1.2 earthquake occured in region: 7 km NW Accumoli (RI), on
and geographic coordinates (lat, lon) 42.7470, 13.1980 at 10 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 | 7 | 667 | 667 |
Arquata del Tronto | AP | 9 | 1178 | 1845 |
Norcia | PG | 10 | 4957 | 6802 |
Cittareale | RI | 15 | 482 | 7284 |
Amatrice | RI | 15 | 2657 | 9941 |
Cascia | PG | 15 | 3217 | 13158 |
Montegallo | AP | 15 | 523 | 13681 |
Castelsantangelo sul Nera | MC | 17 | 281 | 13962 |
Acquasanta Terme | AP | 18 | 2916 | 16878 |
Preci | PG | 20 | 724 | 17602 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.2 | 2021-04-11 22:06:54 |
42.7467 | 13.1983 | 11 | 2021-04-11 22:14:02 |
Sala Sismica INGV-Roma | 89022351 |
Field | Value |
---|---|
Time (UTC) | 2021-04-11 22:06:54 ± 0.05 |
Latitude | 42.7467 ± 0.0018 |
Longitude | 13.1983 ± 0.0037 |
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 | 89022351 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 280 |
Semi-minor axis of confidence ellipse (meter) | 193 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 244 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 280.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 106 |
Number of associated phases, regardless of their use for origin computation | 22 |
Number of defining phases | 17 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.14 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.34534 |
Number of stations at which the event was observed | 14 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.3 |
Num. used stations | 16 |
Type of magnitude | ML |
Reference to an origin | 89022351 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-04-11 22:14:02 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CSP1.EHZ. | 2021-04-11T22:07:07.04 | 0.3 | undecidable | manual | S | 1 | 38.3283 | 50 | 0.1 | 71 |
IV.FDMO.HHZ. | 2021-04-11T22:07:05.42 | 0.1 | undecidable | manual | S | 344 | 33.4443 | 50 | -0.21 | 94 |
IV.MNTT.EHZ. | 2021-04-11T22:07:03.95 | 3.0 | positive | manual | P | 0.77 | 0 | |||
IV.LNSS.HHZ. | 2021-04-11T22:07:02.00 | 0.1 | undecidable | manual | S | 219 | 20.4684 | 117 | -0.13 | 98 |
IV.ARRO.EHZ. | 2021-04-11T22:07:02.04 | 3.0 | negative | manual | P | 0.01 | 0 | |||
IV.MMO1.EHZ. | 2021-04-11T22:07:01.77 | 0.3 | undecidable | manual | S | 32 | 19.869 | 118 | -0.17 | 73 |
IV.CESI.HHZ. | 2021-04-11T22:07:01.36 | 3.0 | undecidable | manual | P | -0.13 | 0 | |||
IV.MF5.EHZ. | 2021-04-11T22:07:01.24 | 1.0 | undecidable | manual | P | 38 | 34.1436 | 50 | 0.35 | 23 |
IV.CSP1.EHZ. | 2021-04-11T22:07:01.52 | 0.1 | undecidable | manual | P | 1 | 38.3283 | 50 | 0 | 97 |
IV.MC2.EHZ. | 2021-04-11T22:07:01.46 | 0.3 | undecidable | manual | S | 358 | 18.2706 | 120 | 0.01 | 75 |
IV.MTRA.HNZ. | 2021-04-11T22:07:00.75 | 0.1 | undecidable | manual | S | 86 | 16.1727 | 123 | -0.08 | 99 |
IV.SMA1.EHZ. | 2021-04-11T22:07:00.90 | 0.1 | undecidable | manual | S | 139 | 17.0718 | 122 | -0.18 | 97 |
IV.FDMO.HHZ. | 2021-04-11T22:07:00.68 | 0.1 | undecidable | manual | P | 344 | 33.4443 | 50 | -0.09 | 96 |
IV.TERO.HHZ. | 2021-04-11T22:07:00.95 | 3.0 | undecidable | manual | P | -0.37 | 0 | |||
IV.NRCA.HNZ. | 2021-04-11T22:06:59.52 | 0.1 | undecidable | manual | S | 325 | 11.7771 | 132 | -0.1 | 100 |
IV.GAVE.EHZ. | 2021-04-11T22:06:59.67 | 3.0 | undecidable | manual | P | 0.02 | 0 | |||
IV.MC2.EHZ. | 2021-04-11T22:06:58.54 | 0.1 | undecidable | manual | P | 358 | 18.2706 | 120 | 0.18 | 97 |
IV.MMO1.EHZ. | 2021-04-11T22:06:58.66 | 0.1 | undecidable | manual | P | 32 | 19.869 | 118 | 0.01 | 100 |
IV.MTRA.HNZ. | 2021-04-11T22:06:58.09 | 0.1 | undecidable | manual | P | 86 | 16.1727 | 123 | 0.1 | 99 |
IV.LNSS.HHZ. | 2021-04-11T22:06:58.89 | 0.3 | undecidable | manual | P | 219 | 20.4684 | 117 | 0.14 | 73 |
IV.SMA1.EHZ. | 2021-04-11T22:06:58.32 | 0.1 | undecidable | manual | P | 139 | 17.0718 | 122 | 0.18 | 97 |
IV.NRCA.HNZ. | 2021-04-11T22:06:57.45 | 0.1 | undecidable | manual | P | 325 | 11.7771 | 132 | 0.15 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.9 | 0.0008269999999999999 | 0.12 | AML | other | m | 2021-04-11T22:06:59.60 |
IV.NRCA.HNN. | ML:1.8 | 0.0007605 | 0.14 | AML | other | m | 2021-04-11T22:06:59.60 |
IV.NRCA.HHE. | ML:1.9 | 0.0009319999999999999 | 0.18 | AML | other | m | 2021-04-11T22:06:59.64 |
IV.NRCA.HNE. | ML:1.9 | 0.0008950000000000001 | 0.18 | AML | other | m | 2021-04-11T22:06:59.73 |
IV.SMA1.EHE. | ML:1.0 | 0.00008955000000000001 | 0.92 | AML | other | m | 2021-04-11T22:07:01.42 |
IV.MTRA.EHN. | ML:1.1 | 0.00010225 | 0.16 | AML | other | m | 2021-04-11T22:07:01.39 |
IV.MTRA.EHE. | ML:1.1 | 0.00011415 | 0.96 | AML | other | m | 2021-04-11T22:07:01.09 |
IV.SMA1.EHN. | ML:0.9 | 0.00007105 | 0.66 | AML | other | m | 2021-04-11T22:07:02.69 |
IV.LNSS.HHE. | ML:1.4 | 0.0001855 | 0.68 | AML | other | m | 2021-04-11T22:07:02.50 |
IV.LNSS.HHN. | ML:1.3 | 0.000157 | 0.72 | AML | other | m | 2021-04-11T22:07:03.46 |
IV.GAVE.EHE. | ML:1.3 | 0.00012495 | 0.44 | AML | other | m | 2021-04-11T22:07:03.62 |
IV.GAVE.EHN. | ML:1.3 | 0.00010365000000000001 | 1.72 | AML | other | m | 2021-04-11T22:07:03.09 |
IV.TERO.HHN. | ML:1.2 | 0.000057249999999999996 | 0.18 | AML | other | m | 2021-04-11T22:07:06.53 |
IV.TERO.HHE. | ML:1.0 | 0.00003735 | 0.5 | AML | other | m | 2021-04-11T22:07:06.63 |
IV.FDMO.HHE. | ML:1.0 | 0.00004295 | 0.46 | AML | other | m | 2021-04-11T22:07:07.26 |
IV.FDMO.HHN. | ML:1.0 | 0.000039349999999999994 | 0.42 | AML | other | m | 2021-04-11T22:07:07.11 |