A magnitude ML 1.8 earthquake occured in region: 6 km SW Arquata del Tronto (AP), on
and geographic coordinates (lat, lon) 42.7480, 13.2390 at 8 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 | 6 | 667 | 1845 |
Norcia | PG | 13 | 4957 | 6802 |
Montegallo | AP | 13 | 523 | 7325 |
Amatrice | RI | 14 | 2657 | 9982 |
Acquasanta Terme | AP | 14 | 2916 | 12898 |
Cittareale | RI | 16 | 482 | 13380 |
Castelsantangelo sul Nera | MC | 18 | 281 | 13661 |
Montemonaco | AP | 19 | 604 | 14265 |
Cascia | PG | 19 | 3217 | 17482 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.8 | 2020-08-20 06:07:10 |
42.7475 | 13.2387 | 8 | 2020-11-19 12:37:05 |
Bollettino Sismico Italiano INGV | 83930031 |
Reviewed Rev100 |
ML 1.8 | 2020-08-20 06:07:10 |
42.743 | 13.239 | 7 | 2020-08-20 06:35:34 |
Sala Sismica INGV-Roma | 82167371 |
Field | Value |
---|---|
Time (UTC) | 2020-08-20 06:07:10 ± 0.05 |
Latitude | 42.7475 ± 0.0027 |
Longitude | 13.2387 ± 0.0037 |
Depth (km) | 8 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 83930031 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 260 |
Semi-minor axis of confidence ellipse (meter) | 257 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 239 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 260.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 34 |
Number of associated phases, regardless of their use for origin computation | 61 |
Number of defining phases | 58 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.28 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.61873 |
Number of stations at which the event was observed | 34 |
Number of stations from which data was used for origin computation | 31 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.3 |
Num. used stations | 42 |
Type of magnitude | ML |
Reference to an origin | 83930031 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2020-10-20 01:09:53 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.3 |
Num. used stations | 42 |
Type of magnitude | ML |
Reference to an origin | 82167371 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-08-20 06:35:34 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CSNT.HHZ. | 2020-08-20T06:08:03.62 | 3.0 | undecidable | manual | Sg | 2.53 | 0 | |||
IV.ROSPO.HHZ. | 2020-08-20T06:07:54.34 | 3.0 | undecidable | manual | S | -0.71 | 0 | |||
IV.MCIV.CHZ. | 2020-08-20T06:07:51.04 | 3.0 | undecidable | manual | S | 0.93 | 0 | |||
IV.ATCC.EHZ. | 2020-08-20T06:07:32.90 | 0.6 | undecidable | manual | S | 315 | 68.6757 | 50 | 0.53 | 41 |
IV.EL6.EHZ. | 2020-08-20T06:07:32.30 | 0.3 | undecidable | manual | S | 350 | 65.49 | 50 | 0.78 | 55 |
IV.ASSB.HHZ. | 2020-08-20T06:07:29.70 | 0.3 | undecidable | manual | S | 305 | 57.3981 | 50 | 0.35 | 65 |
IV.MOMA.HHZ. | 2020-08-20T06:07:29.30 | 0.6 | undecidable | manual | S | 277 | 54.8007 | 50 | 0.64 | 40 |
IV.FIAM.HHZ. | 2020-08-20T06:07:28.20 | 0.6 | undecidable | manual | S | 191 | 54.1014 | 50 | -0.28 | 44 |
IV.CESX.HHZ. | 2020-08-20T06:07:28.60 | 0.3 | undecidable | manual | S | 254 | 55.3002 | 50 | -0.21 | 67 |
IV.MDAR.HNN. | 2020-08-20T06:07:27.69 | 0.3 | undecidable | manual | S | 351 | 50.0166 | 50 | 0.31 | 66 |
IV.MML1.HNE. | 2020-08-20T06:07:26.40 | 0.6 | undecidable | manual | S | 332 | 46.0206 | 50 | 0.08 | 47 |
IV.GIGS.HHN. | 2020-08-20T06:07:25.30 | 0.1 | undecidable | manual | S | 140 | 42.5241 | 50 | -0.09 | 94 |
IV.SAP2.EHE. | 2020-08-20T06:07:25.70 | 0.1 | undecidable | manual | S | 19 | 40.8258 | 50 | 0.75 | 78 |
IV.ARRO.EHZ. | 2020-08-20T06:07:25.40 | 0.6 | undecidable | manual | S | 244 | 42.8238 | 50 | -0.08 | 47 |
IV.PF6.EHN. | 2020-08-20T06:07:25.20 | 0.1 | undecidable | manual | S | 355 | 43.4232 | 50 | -0.44 | 87 |
IV.CESI.HHE. | 2020-08-20T06:07:24.10 | 0.6 | undecidable | manual | S | 317 | 39.4272 | 50 | -0.45 | 44 |
IV.GUMA.HHZ. | 2020-08-20T06:07:23.90 | 0.6 | undecidable | manual | S | 13 | 35.8419 | 50 | 0.3 | 46 |
IV.MF5.EHZ. | 2020-08-20T06:07:23.30 | 0.6 | undecidable | manual | S | 34 | 32.1456 | 104 | 0.9 | 37 |
IV.ATCC.EHZ. | 2020-08-20T06:07:23.36 | 0.6 | undecidable | manual | P | 315 | 68.6757 | 50 | 0.06 | 45 |
IV.VCEL.EHZ. | 2020-08-20T06:07:22.92 | 0.6 | undecidable | manual | P | 128 | 62.8926 | 50 | 0.52 | 41 |
IV.EL6.EHZ. | 2020-08-20T06:07:22.59 | 0.3 | undecidable | manual | P | 350 | 65.49 | 50 | -0.22 | 66 |
IV.FDMO.HHZ. | 2020-08-20T06:07:22.50 | 0.6 | undecidable | manual | S | 339 | 34.3434 | 103 | -0.64 | 41 |
IV.ASSB.HHZ. | 2020-08-20T06:07:21.44 | 0.3 | undecidable | manual | P | 305 | 57.3981 | 50 | -0.12 | 68 |
IV.GAVE.EHZ. | 2020-08-20T06:07:21.50 | 0.6 | undecidable | manual | S | 258 | 28.749 | 106 | 0.25 | 47 |
IV.MOMA.HHZ. | 2020-08-20T06:07:21.43 | 0.6 | positive | manual | P | 277 | 54.8007 | 50 | 0.27 | 44 |
IV.FEMA.HNE. | 2020-08-20T06:07:21.00 | 0.1 | undecidable | manual | S | 327 | 28.3494 | 106 | -0.12 | 96 |
IV.TERO.HHZ. | 2020-08-20T06:07:21.80 | 0.6 | undecidable | manual | S | 115 | 32.8449 | 104 | -0.83 | 38 |
IV.FIAM.HHZ. | 2020-08-20T06:07:20.78 | 0.6 | undecidable | manual | P | 191 | 54.1014 | 50 | -0.27 | 44 |
IV.MDAR.HNN. | 2020-08-20T06:07:20.72 | 0.6 | undecidable | manual | P | 351 | 50.0166 | 50 | 0.3 | 44 |
IV.MNTT.EHZ. | 2020-08-20T06:07:20.19 | 1.0 | negative | manual | P | 40 | 45.4212 | 50 | 0.49 | 22 |
IV.RM33.EHZ. | 2020-08-20T06:07:20.50 | 0.6 | undecidable | manual | S | 184 | 26.5512 | 107 | -0.02 | 49 |
IV.CESX.HHZ. | 2020-08-20T06:07:20.87 | 0.1 | undecidable | manual | P | 254 | 55.3002 | 50 | -0.37 | 87 |
IV.MML1.HNE. | 2020-08-20T06:07:19.51 | 0.1 | negative | manual | P | 332 | 46.0206 | 50 | -0.29 | 90 |
IV.ARRO.EHZ. | 2020-08-20T06:07:19.00 | 0.6 | positive | manual | P | 244 | 42.8238 | 50 | -0.32 | 45 |
IV.SAP2.EHE. | 2020-08-20T06:07:19.07 | 0.1 | undecidable | manual | P | 19 | 40.8258 | 50 | 0.06 | 95 |
IV.OFFI.HHZ. | 2020-08-20T06:07:19.47 | 0.3 | undecidable | manual | P | 60 | 41.9247 | 50 | 0.3 | 68 |
IV.LNSS.HHZ. | 2020-08-20T06:07:19.70 | 0.3 | undecidable | manual | S | 225 | 22.755 | 109 | 0.41 | 68 |
IV.PF6.EHN. | 2020-08-20T06:07:18.94 | 0.1 | undecidable | manual | P | 355 | 43.4232 | 50 | -0.47 | 87 |
IV.MC2.EHZ. | 2020-08-20T06:07:18.00 | 0.3 | undecidable | manual | S | 347 | 18.6702 | 113 | 0.06 | 74 |
IV.GIGS.HHN. | 2020-08-20T06:07:18.85 | 0.1 | undecidable | manual | P | 140 | 42.5241 | 50 | -0.42 | 88 |
IV.GUMA.HHZ. | 2020-08-20T06:07:18.19 | 0.1 | positive | manual | P | 13 | 35.8419 | 50 | -0.05 | 96 |
IV.CESI.HHE. | 2020-08-20T06:07:18.50 | 0.1 | undecidable | manual | P | 317 | 39.4272 | 50 | -0.28 | 91 |
IV.MF5.EHZ. | 2020-08-20T06:07:17.57 | 0.1 | positive | manual | P | 34 | 32.1456 | 104 | 0.03 | 97 |
IV.TERO.HHZ. | 2020-08-20T06:07:17.22 | 0.3 | undecidable | manual | P | 115 | 32.8449 | 104 | -0.46 | 66 |
IV.FDMO.HHZ. | 2020-08-20T06:07:17.57 | 0.6 | undecidable | manual | P | 339 | 34.3434 | 103 | -0.4 | 45 |
IV.MMO1.EHZ. | 2020-08-20T06:07:17.70 | 0.3 | undecidable | manual | S | 23 | 18.2706 | 114 | -0.14 | 73 |
IT.MTCL.HGZ. | 2020-08-20T06:07:17.44 | 0.1 | undecidable | manual | P | 325 | 33.5442 | 103 | -0.38 | 90 |
IV.SMA1.EHZ. | 2020-08-20T06:07:16.90 | 0.6 | undecidable | manual | S | 149 | 15.1737 | 118 | 0.04 | 50 |
IV.MTRA.HNZ. | 2020-08-20T06:07:16.00 | 0.6 | undecidable | manual | S | 85 | 12.876 | 122 | -0.18 | 49 |
IV.FEMA.HNE. | 2020-08-20T06:07:16.53 | 0.1 | undecidable | manual | P | 327 | 28.3494 | 106 | -0.27 | 93 |
IV.NRCA.HHZ. | 2020-08-20T06:07:16.50 | 0.6 | undecidable | manual | S | 313 | 13.875 | 120 | 0.02 | 50 |
IV.T1299.HNN. | 2020-08-20T06:07:16.80 | 0.6 | undecidable | manual | S | 164 | 13.0758 | 122 | 0.58 | 44 |
IV.GAVE.EHZ. | 2020-08-20T06:07:16.86 | 0.1 | positive | manual | P | 258 | 28.749 | 106 | -0.02 | 98 |
IV.RM33.EHZ. | 2020-08-20T06:07:16.46 | 0.1 | positive | manual | P | 184 | 26.5512 | 107 | 0 | 98 |
IV.LNSS.HHZ. | 2020-08-20T06:07:15.97 | 0.1 | positive | manual | P | 225 | 22.755 | 109 | 0.23 | 95 |
IV.MC2.EHZ. | 2020-08-20T06:07:15.09 | 0.1 | positive | manual | P | 347 | 18.6702 | 113 | 0.12 | 97 |
IV.T1299.HNN. | 2020-08-20T06:07:14.42 | 0.1 | negative | manual | P | 164 | 13.0758 | 122 | 0.45 | 92 |
IV.MMO1.EHZ. | 2020-08-20T06:07:14.85 | 0.1 | positive | manual | P | 23 | 18.2706 | 114 | -0.06 | 99 |
IV.SMA1.EHZ. | 2020-08-20T06:07:14.53 | 0.1 | negative | manual | P | 149 | 15.1737 | 118 | 0.19 | 97 |
IV.NRCA.HHZ. | 2020-08-20T06:07:14.29 | 0.1 | positive | manual | P | 313 | 13.875 | 120 | 0.17 | 97 |
IV.MTRA.HNZ. | 2020-08-20T06:07:13.99 | 0.1 | undecidable | manual | P | 85 | 12.876 | 122 | 0.04 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MTRA.EHE. | ML:1.9 | 0.0009459999999999999 | 0.72 | AML | other | m | 2020-08-20T06:07:16.91 |
IV.NRCA.HNN. | ML:2.1 | 0.00127 | 1.52 | AML | other | m | 2020-08-20T06:07:17.22 |
IV.NRCA.HHN. | ML:2.0 | 0.00124 | 1.5 | AML | other | m | 2020-08-20T06:07:17.23 |
IV.NRCA.HNE. | ML:1.9 | 0.0009545 | 0.42 | AML | other | m | 2020-08-20T06:07:17.26 |
IV.NRCA.HHE. | ML:2.0 | 0.001095 | 0.44 | AML | other | m | 2020-08-20T06:07:17.26 |
IV.MTRA.EHN. | ML:2.0 | 0.0010635 | 0.66 | AML | other | m | 2020-08-20T06:07:17.50 |
IV.MTRA.HNN. | ML:1.9 | 0.0010220000000000001 | 0.66 | AML | other | m | 2020-08-20T06:07:17.50 |
IV.MTRA.HNE. | ML:1.9 | 0.0009465 | 0.9 | AML | other | m | 2020-08-20T06:07:17.83 |
IV.LNSS.HHE. | ML:2.1 | 0.000905 | 1.7 | AML | other | m | 2020-08-20T06:07:20.00 |
IV.LNSS.HHN. | ML:2.0 | 0.000776 | 0.2 | AML | other | m | 2020-08-20T06:07:20.28 |
IV.RM33.EHN. | ML:1.7 | 0.0003115 | 0.34 | AML | other | m | 2020-08-20T06:07:21.76 |
IV.GAVE.EHE. | ML:2.2 | 0.0008900000000000001 | 1.86 | AML | other | m | 2020-08-20T06:07:21.02 |
IV.TERO.HHN. | ML:2.0 | 0.000484 | 1.7 | AML | other | m | 2020-08-20T06:07:21.14 |
IV.SMA1.EHN. | ML:1.7 | 0.0005325 | 0.42 | AML | other | m | 2020-08-20T06:07:22.04 |
IV.TERO.HHE. | ML:1.9 | 0.0003325 | 0.12 | AML | other | m | 2020-08-20T06:07:22.20 |
IV.RM33.EHE. | ML:1.7 | 0.00028900000000000003 | 1.28 | AML | other | m | 2020-08-20T06:07:22.80 |
IV.GAVE.EHN. | ML:2.0 | 0.0005465 | 0.3 | AML | other | m | 2020-08-20T06:07:22.32 |
IV.SMA1.EHE. | ML:1.6 | 0.00045599999999999997 | 0.52 | AML | other | m | 2020-08-20T06:07:22.71 |
IV.FDMO.HHN. | ML:1.6 | 0.000187 | 0.86 | AML | other | m | 2020-08-20T06:07:22.51 |
IV.MF5.EHE. | ML:1.6 | 0.00017199999999999998 | 0.3 | AML | other | m | 2020-08-20T06:07:23.82 |
IV.GUMA.HHE. | ML:2.6 | 0.001645 | 0.32 | AML | other | m | 2020-08-20T06:07:24.42 |
IV.FDMO.HHE. | ML:1.6 | 0.00016499999999999997 | 0.18 | AML | other | m | 2020-08-20T06:07:24.86 |
IV.GUMA.HHN. | ML:2.2 | 0.000735 | 0.68 | AML | other | m | 2020-08-20T06:07:24.87 |
IV.ARRO.EHE. | ML:1.5 | 0.0000996 | 0.74 | AML | other | m | 2020-08-20T06:07:26.41 |
IV.MF5.EHN. | ML:1.6 | 0.0001749 | 0.42 | AML | other | m | 2020-08-20T06:07:27.02 |
IV.FIAM.HHN. | ML:1.3 | 0.000045950000000000006 | 0.26 | AML | other | m | 2020-08-20T06:07:28.46 |
IV.OFFI.HHN. | ML:1.8 | 0.0001835 | 0.36 | AML | other | m | 2020-08-20T06:07:28.68 |
IV.FIAM.HHE. | ML:1.5 | 0.00007635 | 0.92 | AML | other | m | 2020-08-20T06:07:29.00 |
IV.ARRO.EHN. | ML:1.5 | 0.00010445 | 0.92 | AML | other | m | 2020-08-20T06:07:29.61 |
IV.MOMA.HHN. | ML:1.6 | 0.00010250000000000001 | 0.14 | AML | other | m | 2020-08-20T06:07:29.87 |
IV.MOMA.HHE. | ML:1.9 | 0.00020050000000000002 | 0.16 | AML | other | m | 2020-08-20T06:07:30.26 |
IV.MNTT.EHN. | ML:1.9 | 0.00022700000000000002 | 0.9 | AML | other | m | 2020-08-20T06:07:30.59 |
IV.MNTT.EHE. | ML:1.9 | 0.0002165 | 0.24 | AML | other | m | 2020-08-20T06:07:30.74 |
IV.ASSB.HHN. | ML:1.5 | 0.00006425 | 0.28 | AML | other | m | 2020-08-20T06:07:31.47 |
IV.ASSB.HHE. | ML:1.4 | 0.00005715 | 0.32 | AML | other | m | 2020-08-20T06:07:32.45 |
IV.OFFI.HHE. | ML:1.7 | 0.00017649999999999998 | 0.44 | AML | other | m | 2020-08-20T06:07:33.46 |
IV.ATCC.EHN. | ML:1.5 | 0.00005065 | 1.42 | AML | other | m | 2020-08-20T06:07:34.22 |
IV.ATCC.EHE. | ML:1.5 | 0.000048100000000000004 | 1.18 | AML | other | m | 2020-08-20T06:07:34.35 |
IV.VCEL.EHN. | ML:1.4 | 0.00005715 | 1.02 | AML | other | m | 2020-08-20T06:07:40.77 |
IV.VCEL.EHE. | ML:1.4 | 0.0000445 | 0.62 | AML | other | m | 2020-08-20T06:07:43.45 |
IV.MCIV.CHE. | ML:2.0 | 0.00005795 | 0.12 | AML | other | m | 2020-08-20T06:07:57.35 |
IV.MCIV.CHN. | ML:1.8 | 0.0000424 | 0.24 | AML | other | m | 2020-08-20T06:07:57.30 |