A magnitude ML 1.4 earthquake occured in region: 3 km SE Accumoli (RI), on
and geographic coordinates (lat, lon) 42.6770, 13.2750 at 12 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 | 5 | 2657 | 3324 |
Arquata del Tronto | AP | 11 | 1178 | 4502 |
Cittareale | RI | 11 | 482 | 4984 |
Acquasanta Terme | AP | 15 | 2916 | 7900 |
Campotosto | AQ | 15 | 542 | 8442 |
Montereale | AQ | 17 | 2581 | 11023 |
Capitignano | AQ | 18 | 665 | 11688 |
Montegallo | AP | 19 | 523 | 12211 |
Valle Castellana | TE | 19 | 977 | 13188 |
Norcia | PG | 20 | 4957 | 18145 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.4 | 2021-09-18 16:03:02 |
42.6772 | 13.2747 | 12 | 2021-09-18 16:07:15 |
Sala Sismica INGV-Roma | 95594791 |
Field | Value |
---|---|
Time (UTC) | 2021-09-18 16:03:02 ± 0.06 |
Latitude | 42.6772 ± 0.0027 |
Longitude | 13.2747 ± 0.0049 |
Depth (km) | 12 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 95594791 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 376 |
Semi-minor axis of confidence ellipse (meter) | 113 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 75 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 380.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 55 |
Number of associated phases, regardless of their use for origin computation | 34 |
Number of defining phases | 26 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.21 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.38491 |
Number of stations at which the event was observed | 21 |
Number of stations from which data was used for origin computation | 13 |
Field | Value |
---|---|
Value | 1.4 |
Uncertainty | 0.3 |
Num. used stations | 20 |
Type of magnitude | ML |
Reference to an origin | 95594791 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-09-18 16:07:15 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.PP3.EHZ. | 2021-09-18T16:03:25.77 | 3.0 | undecidable | manual | S | -3.16 | 0 | |||
IV.T0110.HHZ. | 2021-09-18T16:03:23.76 | 3.0 | undecidable | manual | S | -0.06 | 0 | |||
IV.ASSB.HHZ. | 2021-09-18T16:03:20.71 | 3.0 | undecidable | manual | S | -2.76 | 0 | |||
IV.MURB.HHZ. | 2021-09-18T16:03:18.21 | 3.0 | negative | manual | P | -0.17 | 0 | |||
IV.MF5.EHZ. | 2021-09-18T16:03:16.02 | 0.6 | undecidable | manual | S | 24 | 37.629 | 91 | 1 | 35 |
IV.FDMO.HHZ. | 2021-09-18T16:03:16.47 | 0.6 | undecidable | manual | S | 339 | 42.7239 | 91 | 0.09 | 47 |
IV.GAVE.EHZ. | 2021-09-18T16:03:13.36 | 0.6 | undecidable | manual | S | 273 | 31.0467 | 92 | 0.08 | 48 |
IV.MOMA.HHZ. | 2021-09-18T16:03:13.44 | 3.0 | undecidable | manual | P | 0.05 | 0 | |||
IV.MML1.EHZ. | 2021-09-18T16:03:12.37 | 3.0 | positive | manual | P | -0.22 | 0 | |||
IV.MC2.EHZ. | 2021-09-18T16:03:12.01 | 0.6 | undecidable | manual | S | 345 | 26.9508 | 92 | -0.16 | 47 |
IV.MMO1.EHZ. | 2021-09-18T16:03:11.53 | 0.6 | undecidable | manual | S | 10 | 25.0527 | 92 | -0.13 | 48 |
IV.TERO.HHZ. | 2021-09-18T16:03:11.96 | 0.6 | undecidable | manual | S | 103 | 27.5502 | 92 | -0.37 | 46 |
IV.CSP1.EHZ. | 2021-09-18T16:03:11.17 | 3.0 | undecidable | manual | P | -0.12 | 0 | |||
IV.RM33.EHZ. | 2021-09-18T16:03:10.04 | 0.6 | undecidable | manual | S | 195 | 19.2696 | 95 | -0.1 | 48 |
IV.MF5.EHZ. | 2021-09-18T16:03:10.20 | 0.1 | undecidable | manual | P | 24 | 37.629 | 91 | 0.46 | 88 |
IV.NRCA.HHZ. | 2021-09-18T16:03:10.38 | 0.6 | undecidable | manual | S | 323 | 21.7671 | 93 | -0.41 | 45 |
IV.FDMO.HHZ. | 2021-09-18T16:03:10.54 | 0.3 | undecidable | manual | P | 339 | 42.7239 | 91 | 0.01 | 71 |
IV.LNSS.HHZ. | 2021-09-18T16:03:10.52 | 0.6 | undecidable | manual | S | 247 | 20.868 | 94 | -0.03 | 48 |
IV.ARRO.EHZ. | 2021-09-18T16:03:10.57 | 3.0 | negative | manual | P | -0.14 | 0 | |||
IV.CAMP.HHZ. | 2021-09-18T16:03:09.90 | 0.6 | undecidable | manual | S | 145 | 19.1697 | 95 | -0.2 | 48 |
IV.MTRA.EHZ. | 2021-09-18T16:03:08.21 | 0.3 | undecidable | manual | S | 48 | 13.2756 | 108 | -0.35 | 70 |
IV.GAVE.EHZ. | 2021-09-18T16:03:08.64 | 0.1 | positive | manual | P | 273 | 31.0467 | 92 | -0.1 | 94 |
IV.TERO.HHZ. | 2021-09-18T16:03:08.03 | 0.1 | undecidable | manual | P | 103 | 27.5502 | 92 | -0.16 | 95 |
IV.MC2.EHZ. | 2021-09-18T16:03:08.19 | 0.3 | undecidable | manual | P | 345 | 26.9508 | 92 | 0.1 | 73 |
IV.LNSS.HHZ. | 2021-09-18T16:03:07.21 | 0.1 | positive | manual | P | 247 | 20.868 | 94 | 0.05 | 98 |
IV.MMO1.EHZ. | 2021-09-18T16:03:07.82 | 0.3 | undecidable | manual | P | 10 | 25.0527 | 92 | 0.02 | 73 |
IV.RM33.EHZ. | 2021-09-18T16:03:07.00 | 0.1 | undecidable | manual | P | 195 | 19.2696 | 95 | 0.08 | 98 |
IV.SMA1.EHZ. | 2021-09-18T16:03:07.02 | 0.3 | undecidable | manual | S | 136 | 7.1928 | 138 | -0.18 | 74 |
IV.NRCA.HHZ. | 2021-09-18T16:03:07.20 | 0.1 | positive | manual | P | 323 | 21.7671 | 93 | -0.1 | 96 |
IV.MTRA.EHZ. | 2021-09-18T16:03:06.01 | 0.1 | positive | manual | P | 48 | 13.2756 | 108 | 0 | 100 |
IV.T1299.EHN. | 2021-09-18T16:03:06.79 | 0.6 | undecidable | manual | S | 173 | 4.7952 | 151 | -0.04 | 51 |
IV.CAMP.HHZ. | 2021-09-18T16:03:06.91 | 0.1 | undecidable | manual | P | 145 | 19.1697 | 95 | 0.01 | 99 |
IV.SMA1.EHZ. | 2021-09-18T16:03:05.38 | 0.1 | undecidable | manual | P | 136 | 7.1928 | 138 | 0.16 | 98 |
IV.T1299.EHN. | 2021-09-18T16:03:05.24 | 0.1 | undecidable | manual | P | 173 | 4.7952 | 151 | 0.23 | 97 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.SMA1.EHN. | ML:1.8 | 0.000847 | 0.56 | AML | other | m | 2021-09-18T16:03:07.42 |
IV.SMA1.EHE. | ML:1.8 | 0.0008845000000000001 | 0.3 | AML | other | m | 2021-09-18T16:03:07.42 |
IV.MTRA.EHN. | ML:1.8 | 0.0006865 | 0.44 | AML | other | m | 2021-09-18T16:03:08.51 |
IV.MTRA.HNN. | ML:1.8 | 0.0006775 | 0.46 | AML | other | m | 2021-09-18T16:03:08.28 |
IV.MTRA.HNE. | ML:1.8 | 0.0006295 | 0.78 | AML | other | m | 2021-09-18T16:03:09.24 |
IV.MTRA.EHE. | ML:1.8 | 0.0006619999999999999 | 0.76 | AML | other | m | 2021-09-18T16:03:09.25 |
IV.RM33.EHN. | ML:1.0 | 0.0000693 | 0.24 | AML | other | m | 2021-09-18T16:03:10.26 |
IV.NRCA.HHN. | ML:1.7 | 0.00032950000000000004 | 0.14 | AML | other | m | 2021-09-18T16:03:10.56 |
IV.LNSS.HHN. | ML:1.2 | 0.000121 | 0.2 | AML | other | m | 2021-09-18T16:03:10.89 |
IV.NRCA.HHE. | ML:1.7 | 0.00033650000000000005 | 1.2 | AML | other | m | 2021-09-18T16:03:11.64 |
IV.RM33.EHE. | ML:1.1 | 0.0000896 | 1.44 | AML | other | m | 2021-09-18T16:03:11.03 |
IV.LNSS.HHE. | ML:1.2 | 0.0001215 | 0.58 | AML | other | m | 2021-09-18T16:03:12.26 |
IV.GAVE.EHN. | ML:1.2 | 0.00007965 | 0.12 | AML | other | m | 2021-09-18T16:03:14.31 |
IV.GAVE.EHE. | ML:1.3 | 0.0001024 | 0.14 | AML | other | m | 2021-09-18T16:03:15.53 |
IV.ARRO.EHE. | ML:0.9 | 0.0000241 | 0.94 | AML | other | m | 2021-09-18T16:03:17.91 |
IV.FDMO.HHN. | ML:0.9 | 0.000023199999999999998 | 0.68 | AML | other | m | 2021-09-18T16:03:18.10 |
IV.ARRO.EHN. | ML:1.1 | 0.000038650000000000004 | 1.08 | AML | other | m | 2021-09-18T16:03:18.78 |
IV.FDMO.HHE. | ML:0.8 | 0.00002135 | 1.14 | AML | other | m | 2021-09-18T16:03:18.36 |
IV.MOMA.HHE. | ML:1.2 | 0.0000311 | 0.18 | AML | other | m | 2021-09-18T16:03:22.99 |
IV.MOMA.HHN. | ML:1.2 | 0.0000329 | 0.58 | AML | other | m | 2021-09-18T16:03:23.93 |