A magnitude ML 1.9 earthquake occured in region: 6 km W Arquata del Tronto (AP), on
and geographic coordinates (lat, lon) 42.7600, 13.2220 at 11 km depth.
The earthquake was located by: Bollettino Sismico Italiano INGV.
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 |
---|---|---|---|---|
Arquata del Tronto | AP | 6 | 1178 | 1178 |
Accumoli | RI | 7 | 667 | 1845 |
Norcia | PG | 11 | 4957 | 6802 |
Montegallo | AP | 13 | 523 | 7325 |
Acquasanta Terme | AP | 15 | 2916 | 10241 |
Amatrice | RI | 15 | 2657 | 12898 |
Castelsantangelo sul Nera | MC | 16 | 281 | 13179 |
Cittareale | RI | 16 | 482 | 13661 |
Cascia | PG | 18 | 3217 | 16878 |
Montemonaco | AP | 18 | 604 | 17482 |
Preci | PG | 20 | 724 | 18206 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.9 | 2021-08-02 03:55:18 |
42.7595 | 13.2218 | 11 | 2021-12-29 11:12:26 |
Bollettino Sismico Italiano INGV | 95111921 |
Reviewed Rev100 |
ML 2.0 | 2021-08-02 03:55:18 |
42.7582 | 13.2203 | 11 | 2021-08-02 04:02:55 |
Sala Sismica INGV-Roma | 93543181 |
Field | Value |
---|---|
Time (UTC) | 2021-08-02 03:55:18 ± 0.05 |
Latitude | 42.7595 ± 0.0027 |
Longitude | 13.2218 ± 0.0037 |
Depth (km) | 11 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 95111921 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 331 |
Semi-minor axis of confidence ellipse (meter) | 157 |
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) | 330.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 39 |
Number of associated phases, regardless of their use for origin computation | 58 |
Number of defining phases | 46 |
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) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.63222 |
Number of stations at which the event was observed | 39 |
Number of stations from which data was used for origin computation | 28 |
Field | Value |
---|---|
Value | 1.9 |
Uncertainty | 0.1 |
Num. used stations | 34 |
Type of magnitude | ML |
Reference to an origin | 95111921 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-09-06 13:35:21 |
Field | Value |
---|---|
Value | 2.0 |
Uncertainty | 0.3 |
Num. used stations | 54 |
Type of magnitude | ML |
Reference to an origin | 93543181 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-08-02 04:02:55 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.LRP.EHZ. | 2021-08-02T03:55:42.06 | 3.0 | undecidable | manual | P | 1.99 | 0 | |||
IV.EL6.EHZ. | 2021-08-02T03:55:39.89 | 3.0 | undecidable | manual | S | 0.25 | 0 | |||
IV.MGAB.HHZ. | 2021-08-02T03:55:37.09 | 3.0 | positive | manual | P | 2.12 | 0 | |||
IV.ARVD.HHZ. | 2021-08-02T03:55:34.13 | 3.0 | positive | manual | P | 0.2 | 0 | |||
IV.MML1.EHZ. | 2021-08-02T03:55:33.11 | 0.3 | undecidable | manual | S | 333 | 44.2224 | 50 | -0.06 | 71 |
IV.PP3.EHZ. | 2021-08-02T03:55:32.94 | 3.0 | negative | manual | P | 0.47 | 0 | |||
IV.SAP2.EHZ. | 2021-08-02T03:55:32.58 | 0.6 | undecidable | manual | S | 21 | 40.1265 | 50 | 0.51 | 43 |
IV.SRES.HHZ. | 2021-08-02T03:55:31.06 | 3.0 | undecidable | manual | P | -2.29 | 0 | |||
IV.CSP1.EHZ. | 2021-08-02T03:55:31.01 | 0.3 | undecidable | manual | S | 358 | 36.9297 | 50 | -0.21 | 70 |
IV.T0110.HHZ. | 2021-08-02T03:55:31.77 | 3.0 | undecidable | manual | P | -0.5 | 0 | |||
IV.GUMA.HHZ. | 2021-08-02T03:55:31.14 | 0.3 | undecidable | manual | S | 15 | 34.8429 | 50 | 0.46 | 66 |
IV.CESI.HHZ. | 2021-08-02T03:55:31.35 | 0.1 | undecidable | manual | S | 317 | 37.5291 | 50 | -0.03 | 96 |
IV.TERO.HNZ. | 2021-08-02T03:55:30.03 | 0.6 | undecidable | manual | S | 116 | 34.6431 | 50 | -0.59 | 42 |
IV.FAGN.HHZ. | 2021-08-02T03:55:30.50 | 3.0 | negative | manual | P | 0.26 | 0 | |||
IV.EL6.EHZ. | 2021-08-02T03:55:30.05 | 3.0 | positive | manual | P | -0.39 | 0 | |||
IV.CING.HHZ. | 2021-08-02T03:55:30.79 | 3.0 | positive | manual | P | -0.41 | 0 | |||
IV.VCEL.EHZ. | 2021-08-02T03:55:30.43 | 3.0 | negative | manual | P | -0.31 | 0 | |||
IV.FOSV.EHZ. | 2021-08-02T03:55:30.96 | 0.6 | undecidable | manual | P | 328 | 70.1742 | 50 | -0.15 | 44 |
IV.MF5.EHZ. | 2021-08-02T03:55:30.50 | 0.1 | undecidable | manual | S | 37 | 31.8459 | 50 | 0.62 | 84 |
IV.ATCC.EHZ. | 2021-08-02T03:55:30.73 | 0.3 | undecidable | manual | P | 315 | 66.7776 | 50 | 0.14 | 67 |
IV.FDMO.HHZ. | 2021-08-02T03:55:29.76 | 0.3 | undecidable | manual | S | 340 | 32.6451 | 50 | -0.32 | 68 |
IV.GAVE.EHZ. | 2021-08-02T03:55:28.98 | 0.3 | undecidable | manual | S | 254 | 27.75 | 50 | 0.21 | 71 |
IV.ASSB.HHZ. | 2021-08-02T03:55:28.77 | 0.3 | undecidable | manual | P | 305 | 55.5 | 50 | -0.08 | 69 |
IV.CAMP.HHZ. | 2021-08-02T03:55:28.88 | 0.1 | undecidable | manual | S | 148 | 29.1486 | 50 | -0.27 | 93 |
IV.MOMA.HHZ. | 2021-08-02T03:55:28.52 | 0.3 | undecidable | manual | P | 276 | 53.3022 | 50 | 0.01 | 70 |
IV.FEMA.HNZ. | 2021-08-02T03:55:28.22 | 0.1 | undecidable | manual | S | 328 | 26.4513 | 50 | -0.22 | 94 |
IV.CESX.HHZ. | 2021-08-02T03:55:28.83 | 0.3 | undecidable | manual | P | 252 | 54.4011 | 50 | 0.15 | 68 |
IV.RM33.EHZ. | 2021-08-02T03:55:28.94 | 0.1 | undecidable | manual | S | 181 | 27.75 | 50 | 0.15 | 95 |
IV.FIAM.HHZ. | 2021-08-02T03:55:28.71 | 3.0 | negative | manual | P | -0.23 | 0 | |||
IV.MNTT.EHZ. | 2021-08-02T03:55:27.73 | 0.3 | undecidable | manual | P | 42 | 45.2214 | 50 | 0.46 | 65 |
IV.LNSS.HHZ. | 2021-08-02T03:55:27.75 | 0.3 | undecidable | manual | S | 220 | 22.8549 | 50 | 0.29 | 70 |
IV.OFFI.HHZ. | 2021-08-02T03:55:27.37 | 0.3 | undecidable | manual | P | 63 | 42.4242 | 50 | 0.53 | 64 |
IV.SAP2.EHZ. | 2021-08-02T03:55:26.79 | 0.3 | undecidable | manual | P | 21 | 40.1265 | 50 | 0.32 | 68 |
IV.PF6.EHZ. | 2021-08-02T03:55:26.50 | 0.1 | undecidable | manual | P | 357 | 42.0246 | 50 | -0.27 | 91 |
IV.MML1.EHZ. | 2021-08-02T03:55:26.92 | 0.3 | undecidable | manual | P | 333 | 44.2224 | 50 | -0.19 | 69 |
IV.ARRO.EHZ. | 2021-08-02T03:55:26.86 | 0.3 | undecidable | manual | P | 242 | 42.2244 | 50 | 0.06 | 71 |
IV.GIGS.HJZ. | 2021-08-02T03:55:26.70 | 0.3 | undecidable | manual | P | 140 | 44.4222 | 50 | -0.44 | 65 |
IV.GUMA.HHZ. | 2021-08-02T03:55:25.70 | 0.3 | undecidable | manual | P | 15 | 34.8429 | 50 | 0.03 | 72 |
IV.SMA1.EHZ. | 2021-08-02T03:55:25.70 | 0.1 | undecidable | manual | S | 147 | 17.0718 | 122 | -0.09 | 98 |
IV.MF5.EHZ. | 2021-08-02T03:55:25.25 | 0.1 | undecidable | manual | P | 37 | 31.8459 | 50 | 0.04 | 97 |
IV.CESI.HHZ. | 2021-08-02T03:55:25.94 | 0.1 | undecidable | manual | P | 317 | 37.5291 | 50 | -0.13 | 94 |
IV.TERO.HNZ. | 2021-08-02T03:55:25.22 | 0.6 | undecidable | manual | P | 116 | 34.6431 | 50 | -0.41 | 45 |
IV.T1299.HNZ. | 2021-08-02T03:55:25.54 | 0.3 | undecidable | manual | S | 160 | 14.7741 | 126 | 0.41 | 69 |
IV.CSP1.EHZ. | 2021-08-02T03:55:25.72 | 0.3 | undecidable | manual | P | 358 | 36.9297 | 50 | -0.26 | 69 |
IV.MC2.EHZ. | 2021-08-02T03:55:25.82 | 0.3 | undecidable | manual | S | 351 | 17.0718 | 122 | 0.02 | 75 |
IV.FEMA.HNZ. | 2021-08-02T03:55:24.22 | 0.3 | undecidable | manual | P | 328 | 26.4513 | 50 | -0.15 | 72 |
IV.FDMO.HHZ. | 2021-08-02T03:55:24.96 | 0.3 | undecidable | manual | P | 340 | 32.6451 | 50 | -0.36 | 68 |
IV.NRCA.HNZ. | 2021-08-02T03:55:24.34 | 0.1 | undecidable | manual | S | 313 | 11.9769 | 132 | -0.05 | 100 |
IV.RM33.EHZ. | 2021-08-02T03:55:24.56 | 0.1 | positive | manual | P | 181 | 27.75 | 50 | -0.02 | 98 |
IV.MTRA.HNZ. | 2021-08-02T03:55:24.62 | 0.3 | undecidable | manual | S | 91 | 14.2746 | 127 | -0.37 | 70 |
IV.GAVE.EHZ. | 2021-08-02T03:55:24.59 | 0.1 | undecidable | manual | P | 254 | 27.75 | 50 | 0.02 | 98 |
IV.CAMP.HHZ. | 2021-08-02T03:55:24.60 | 0.1 | undecidable | manual | P | 148 | 29.1486 | 50 | -0.19 | 94 |
IV.LNSS.HHZ. | 2021-08-02T03:55:23.86 | 0.1 | undecidable | manual | P | 220 | 22.8549 | 50 | 0.05 | 98 |
IV.T1299.HNZ. | 2021-08-02T03:55:22.74 | 0.1 | undecidable | manual | P | 160 | 14.7741 | 126 | 0.28 | 95 |
IV.MC2.EHZ. | 2021-08-02T03:55:22.84 | 0.3 | undecidable | manual | P | 351 | 17.0718 | 122 | -0.01 | 75 |
IV.NRCA.HNZ. | 2021-08-02T03:55:22.15 | 0.1 | undecidable | manual | P | 313 | 11.9769 | 132 | 0.11 | 99 |
IV.SMA1.EHZ. | 2021-08-02T03:55:22.88 | 0.1 | undecidable | manual | P | 147 | 17.0718 | 122 | 0.03 | 100 |
IV.MTRA.HNZ. | 2021-08-02T03:55:22.28 | 0.1 | undecidable | manual | P | 91 | 14.2746 | 127 | -0.1 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.SMA1.EHE. | ML:1.8 | 0.0005445 | 0.88 | AML | other | m | 2021-08-02T03:55:25.93 |
IV.SMA1.EHN. | ML:1.8 | 0.000484 | 1 | AML | other | m | 2021-08-02T03:55:26.79 |
IV.LNSS.HHN. | ML:1.8 | 0.000457 | 1.72 | AML | other | m | 2021-08-02T03:55:28.11 |
IV.LNSS.HHE. | ML:2.0 | 0.0006725000000000001 | 1.12 | AML | other | m | 2021-08-02T03:55:28.29 |
IV.RM33.HNN. | ML:1.9 | 0.000452 | 0.74 | AML | other | m | 2021-08-02T03:55:29.40 |
IV.RM33.EHN. | ML:1.9 | 0.000438 | 0.74 | AML | other | m | 2021-08-02T03:55:29.04 |
IV.GAVE.EHE. | ML:2.0 | 0.000492 | 0.66 | AML | other | m | 2021-08-02T03:55:29.25 |
IV.FDMO.HHE. | ML:1.6 | 0.00016999999999999999 | 0.72 | AML | other | m | 2021-08-02T03:55:30.41 |
IV.GAVE.EHN. | ML:1.9 | 0.00044050000000000003 | 1 | AML | other | m | 2021-08-02T03:55:30.78 |
IV.RM33.EHE. | ML:2.0 | 0.000545 | 0.6 | AML | other | m | 2021-08-02T03:55:30.51 |
IV.RM33.HNE. | ML:2.0 | 0.0005909999999999999 | 0.6 | AML | other | m | 2021-08-02T03:55:30.51 |
IV.FDMO.HHN. | ML:1.7 | 0.00023249999999999999 | 0.24 | AML | other | m | 2021-08-02T03:55:30.50 |
IV.CESI.HHE. | ML:2.0 | 0.000347 | 0.2 | AML | other | m | 2021-08-02T03:55:31.61 |
IV.CSP1.EHE. | ML:2.1 | 0.000486 | 0.62 | AML | other | m | 2021-08-02T03:55:31.55 |
IV.CESI.HHN. | ML:2.2 | 0.00055 | 0.38 | AML | other | m | 2021-08-02T03:55:31.82 |
IV.CSP1.EHN. | ML:2.2 | 0.0006425000000000001 | 0.54 | AML | other | m | 2021-08-02T03:55:32.60 |
IV.MML1.EHE. | ML:1.8 | 0.00020600000000000002 | 0.12 | AML | other | m | 2021-08-02T03:55:34.02 |
IV.MML1.EHN. | ML:1.7 | 0.0001635 | 0.16 | AML | other | m | 2021-08-02T03:55:34.14 |
IV.OFFI.HHE. | ML:1.9 | 0.0002675 | 0.52 | AML | other | m | 2021-08-02T03:55:36.45 |
IV.MOMA.HHE. | ML:1.9 | 0.000175 | 0.88 | AML | other | m | 2021-08-02T03:55:37.73 |
IV.MOMA.HHN. | ML:1.8 | 0.000135 | 0.14 | AML | other | m | 2021-08-02T03:55:37.83 |
IV.ASSB.HHE. | ML:1.7 | 0.0001173 | 0.38 | AML | other | m | 2021-08-02T03:55:38.23 |
IV.ASSB.HHN. | ML:1.7 | 0.00011449999999999999 | 0.32 | AML | other | m | 2021-08-02T03:55:38.57 |
IV.EL6.EHE. | ML:1.8 | 0.0001185 | 0.18 | AML | other | m | 2021-08-02T03:55:40.71 |
IV.CING.HHE. | ML:1.7 | 0.0000929 | 0.48 | AML | other | m | 2021-08-02T03:55:41.15 |
IV.CING.HHN. | ML:1.7 | 0.00009475 | 0.18 | AML | other | m | 2021-08-02T03:55:41.46 |
IV.EL6.EHN. | ML:1.8 | 0.00011195 | 0.72 | AML | other | m | 2021-08-02T03:55:41.04 |
IV.FAGN.HHE. | ML:1.8 | 0.0001215 | 0.32 | AML | other | m | 2021-08-02T03:55:41.76 |
IV.FAGN.HHN. | ML:1.8 | 0.000121 | 1.72 | AML | other | m | 2021-08-02T03:55:43.07 |
IV.ATCC.EHE. | ML:1.6 | 0.00007594999999999999 | 0.28 | AML | other | m | 2021-08-02T03:55:44.56 |
IV.OFFI.HHN. | ML:1.9 | 0.00026649999999999997 | 1.58 | AML | other | m | 2021-08-02T03:55:44.92 |
IV.ATCC.EHN. | ML:1.7 | 0.0000902 | 0.44 | AML | other | m | 2021-08-02T03:55:46.25 |
IV.T0110.HHE. | ML:1.8 | 0.0000938 | 0.5 | AML | other | m | 2021-08-02T03:55:47.45 |
IV.T0110.HHN. | ML:1.8 | 0.0000959 | 0.8 | AML | other | m | 2021-08-02T03:55:49.49 |