A magnitude ML 1.9 earthquake occured in region: 4 km NE Accumoli (RI), on
and geographic coordinates (lat, lon) 42.7240, 13.2700 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 |
---|---|---|---|---|
Accumoli | RI | 4 | 667 | 667 |
Arquata del Tronto | AP | 6 | 1178 | 1845 |
Amatrice | RI | 11 | 2657 | 4502 |
Acquasanta Terme | AP | 13 | 2916 | 7418 |
Montegallo | AP | 14 | 523 | 7941 |
Cittareale | RI | 15 | 482 | 8423 |
Norcia | PG | 16 | 4957 | 13380 |
Valle Castellana | TE | 19 | 977 | 14357 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.9 | 2021-03-17 17:31:37 |
42.7242 | 13.2697 | 11 | 2021-07-12 16:55:05 |
Bollettino Sismico Italiano INGV | 88900861 |
Reviewed Rev100 |
ML 1.9 | 2021-03-17 17:31:37 |
42.7228 | 13.2848 | 13 | 2021-03-17 17:37:52 |
Sala Sismica INGV-Roma | 88222461 |
Field | Value |
---|---|
Time (UTC) | 2021-03-17 17:31:37 ± 0.06 |
Latitude | 42.7242 ± 0.0027 |
Longitude | 13.2697 ± 0.0061 |
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 | 88900861 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 475 |
Semi-minor axis of confidence ellipse (meter) | 269 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 90 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 480.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 50 |
Number of associated phases, regardless of their use for origin computation | 47 |
Number of defining phases | 40 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.27 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.46945 |
Number of stations at which the event was observed | 29 |
Number of stations from which data was used for origin computation | 23 |
Field | Value |
---|---|
Value | 1.9 |
Uncertainty | 0.3 |
Num. used stations | 42 |
Type of magnitude | ML |
Reference to an origin | 88222461 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-03-17 17:37:52 |
Field | Value |
---|---|
Value | 1.9 |
Uncertainty | 0.3 |
Num. used stations | 42 |
Type of magnitude | ML |
Reference to an origin | 88900861 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-04-07 23:46:19 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.SFI.EHZ. | 2021-03-17T17:32:26.95 | 3.0 | undecidable | manual | S | 0.7 | 0 | |||
IV.EL6.EHZ. | 2021-03-17T17:32:00.10 | 3.0 | undecidable | manual | S | 0.45 | 0 | |||
IV.NARO.HHZ. | 2021-03-17T17:31:55.45 | 3.0 | positive | manual | P | -1.79 | 0 | |||
IV.MURB.HHZ. | 2021-03-17T17:31:52.23 | 3.0 | negative | manual | P | -0.42 | 0 | |||
IV.SAP2.EHZ. | 2021-03-17T17:31:52.00 | 0.6 | undecidable | manual | S | 14 | 42.624 | 50 | 0.7 | 39 |
IV.CESI.HHZ. | 2021-03-17T17:31:51.40 | 0.6 | undecidable | manual | S | 316 | 43.0236 | 50 | 0 | 47 |
IV.GUMA.HHZ. | 2021-03-17T17:31:50.60 | 0.6 | undecidable | manual | S | 8 | 37.9287 | 50 | 0.56 | 42 |
IV.CSP1.EHZ. | 2021-03-17T17:31:50.90 | 0.6 | undecidable | manual | S | 353 | 41.1255 | 50 | 0.01 | 48 |
IV.FDMO.HHZ. | 2021-03-17T17:31:49.70 | 0.6 | undecidable | manual | S | 337 | 37.629 | 50 | -0.27 | 45 |
IV.EL6.EHZ. | 2021-03-17T17:31:49.77 | 3.0 | negative | manual | P | -0.11 | 0 | |||
IV.MF5.EHZ. | 2021-03-17T17:31:49.20 | 0.6 | undecidable | manual | S | 28 | 33.0447 | 50 | 0.46 | 44 |
IV.ASSB.HHZ. | 2021-03-17T17:31:48.83 | 3.0 | negative | manual | P | 0.21 | 0 | |||
IV.GAVE.EHZ. | 2021-03-17T17:31:48.20 | 0.6 | undecidable | manual | S | 264 | 30.8469 | 50 | 0.06 | 48 |
IV.MOMA.HHZ. | 2021-03-17T17:31:47.98 | 3.0 | negative | manual | P | -0.1 | 0 | |||
IV.RM33.EHZ. | 2021-03-17T17:31:46.40 | 0.6 | undecidable | manual | S | 191 | 24.2535 | 50 | 0 | 49 |
IV.SAP2.EHZ. | 2021-03-17T17:31:46.32 | 0.3 | undecidable | manual | P | 14 | 42.624 | 50 | 0.92 | 54 |
IV.MNTT.EHZ. | 2021-03-17T17:31:46.34 | 0.3 | undecidable | manual | P | 35 | 45.9207 | 50 | 0.43 | 65 |
IV.TERO.HHZ. | 2021-03-17T17:31:46.90 | 0.6 | undecidable | manual | S | 112 | 29.4483 | 50 | -0.89 | 37 |
IV.FIAM.HHZ. | 2021-03-17T17:31:46.80 | 0.1 | undecidable | manual | P | 194 | 52.1034 | 50 | -0.07 | 92 |
IV.LNSS.HHZ. | 2021-03-17T17:31:46.40 | 0.6 | undecidable | manual | S | 234 | 23.0547 | 50 | 0.33 | 46 |
IV.CAMP.HHN. | 2021-03-17T17:31:45.90 | 0.6 | undecidable | manual | S | 151 | 23.754 | 50 | -0.37 | 45 |
IV.OFFI.HHZ. | 2021-03-17T17:31:45.71 | 0.1 | positive | manual | P | 55 | 41.1255 | 50 | 0.54 | 85 |
IV.MC2.EHZ. | 2021-03-17T17:31:45.60 | 0.3 | undecidable | manual | S | 342 | 21.7671 | 50 | -0.13 | 72 |
IV.CESI.HHZ. | 2021-03-17T17:31:45.33 | 0.1 | negative | manual | P | 316 | 43.0236 | 50 | -0.14 | 92 |
IV.ARRO.EHZ. | 2021-03-17T17:31:45.68 | 0.3 | undecidable | manual | P | 249 | 44.1225 | 50 | 0.04 | 70 |
IV.CSP1.EHZ. | 2021-03-17T17:31:44.94 | 0.1 | negative | manual | P | 353 | 41.1255 | 50 | -0.23 | 91 |
IV.NRCA.HHZ. | 2021-03-17T17:31:44.20 | 0.6 | undecidable | manual | S | 314 | 17.5713 | 121 | -0.27 | 47 |
IT.MTCL.HGE. | 2021-03-17T17:31:44.28 | 0.1 | undecidable | manual | P | 324 | 37.1295 | 50 | -0.28 | 91 |
IV.GUMA.HHZ. | 2021-03-17T17:31:44.77 | 0.1 | undecidable | manual | P | 8 | 37.9287 | 50 | 0.09 | 94 |
IV.MF5.EHZ. | 2021-03-17T17:31:44.13 | 0.6 | undecidable | manual | P | 28 | 33.0447 | 50 | 0.2 | 46 |
IV.MMO1.EHZ. | 2021-03-17T17:31:44.70 | 0.6 | undecidable | manual | S | 13 | 19.9689 | 118 | -0.51 | 44 |
IV.FDMO.HHZ. | 2021-03-17T17:31:44.33 | 0.1 | negative | manual | P | 337 | 37.629 | 50 | -0.31 | 90 |
IV.GAVE.EHZ. | 2021-03-17T17:31:43.59 | 0.1 | positive | manual | P | 264 | 30.8469 | 50 | 0.01 | 97 |
IV.FEMA.HNE. | 2021-03-17T17:31:43.61 | 0.1 | undecidable | manual | P | 326 | 31.8459 | 50 | -0.14 | 94 |
IV.RM33.EHZ. | 2021-03-17T17:31:42.57 | 0.1 | positive | manual | P | 191 | 24.2535 | 50 | -0.01 | 98 |
IV.SMA1.EHZ. | 2021-03-17T17:31:42.80 | 0.6 | undecidable | manual | S | 153 | 11.6772 | 132 | -0.04 | 50 |
IV.CAMP.HHN. | 2021-03-17T17:31:42.25 | 0.1 | positive | manual | P | 151 | 23.754 | 50 | -0.25 | 93 |
IV.TERO.HHZ. | 2021-03-17T17:31:42.91 | 0.1 | undecidable | manual | P | 112 | 29.4483 | 50 | -0.47 | 88 |
IV.MTRA.HNZ. | 2021-03-17T17:31:42.30 | 0.6 | undecidable | manual | S | 71 | 10.9779 | 134 | -0.35 | 47 |
IV.LNSS.HHZ. | 2021-03-17T17:31:42.50 | 0.1 | positive | manual | P | 234 | 23.0547 | 50 | 0.11 | 96 |
IV.T1299.HNE. | 2021-03-17T17:31:42.90 | 0.6 | undecidable | manual | S | 174 | 10.0788 | 137 | 0.47 | 46 |
IV.MC2.EHZ. | 2021-03-17T17:31:42.11 | 0.1 | negative | manual | P | 342 | 21.7671 | 50 | -0.08 | 97 |
IV.MMO1.EHZ. | 2021-03-17T17:31:41.70 | 0.1 | negative | manual | P | 13 | 19.9689 | 118 | -0.19 | 95 |
IV.NRCA.HHZ. | 2021-03-17T17:31:41.47 | 0.1 | negative | manual | P | 314 | 17.5713 | 121 | 0 | 99 |
IV.SMA1.EHZ. | 2021-03-17T17:31:40.72 | 0.1 | positive | manual | P | 153 | 11.6772 | 132 | 0.19 | 96 |
IV.MTRA.HNZ. | 2021-03-17T17:31:40.40 | 0.1 | negative | manual | P | 71 | 10.9779 | 134 | -0.02 | 100 |
IV.T1299.HNE. | 2021-03-17T17:31:40.71 | 0.1 | positive | manual | P | 174 | 10.0788 | 137 | 0.42 | 92 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MTRA.EHN. | ML:2.0 | 0.0012900000000000001 | 0.4 | AML | other | m | 2021-03-17T17:31:42.72 |
IV.MTRA.HNN. | ML:2.0 | 0.00126 | 0.4 | AML | other | m | 2021-03-17T17:31:42.72 |
IV.MTRA.HNE. | ML:2.4 | 0.00299 | 0.98 | AML | other | m | 2021-03-17T17:31:42.45 |
IV.MTRA.EHE. | ML:2.4 | 0.003005 | 1 | AML | other | m | 2021-03-17T17:31:42.45 |
IV.SMA1.EHE. | ML:1.9 | 0.0008985 | 0.24 | AML | other | m | 2021-03-17T17:31:43.09 |
IV.SMA1.EHN. | ML:1.7 | 0.000604 | 0.22 | AML | other | m | 2021-03-17T17:31:43.26 |
IV.NRCA.HNE. | ML:2.4 | 0.001885 | 0.16 | AML | other | m | 2021-03-17T17:31:44.52 |
IV.NRCA.HHN. | ML:2.5 | 0.002375 | 0.16 | AML | other | m | 2021-03-17T17:31:44.52 |
IV.NRCA.HNN. | ML:2.4 | 0.0022949999999999997 | 0.16 | AML | other | m | 2021-03-17T17:31:44.52 |
IV.NRCA.HHE. | ML:2.4 | 0.002075 | 0.94 | AML | other | m | 2021-03-17T17:31:44.52 |
IV.TERO.HHN. | ML:1.6 | 0.0001895 | 0.98 | AML | other | m | 2021-03-17T17:31:47.10 |
IV.RM33.EHN. | ML:1.6 | 0.000247 | 0.44 | AML | other | m | 2021-03-17T17:31:47.85 |
IV.LNSS.HHN. | ML:1.8 | 0.00041500000000000006 | 0.12 | AML | other | m | 2021-03-17T17:31:47.75 |
IV.RM33.EHE. | ML:1.7 | 0.000312 | 0.78 | AML | other | m | 2021-03-17T17:31:48.09 |
IV.LNSS.HHE. | ML:1.9 | 0.0005204999999999999 | 0.48 | AML | other | m | 2021-03-17T17:31:48.49 |
IV.GAVE.EHN. | ML:2.0 | 0.0004875 | 0.18 | AML | other | m | 2021-03-17T17:31:49.11 |
IV.MF5.EHE. | ML:2.0 | 0.00048350000000000004 | 0.8 | AML | other | m | 2021-03-17T17:31:50.30 |
IV.FDMO.HHE. | ML:1.5 | 0.00011199999999999998 | 0.34 | AML | other | m | 2021-03-17T17:31:50.50 |
IV.GAVE.EHE. | ML:2.0 | 0.00048350000000000004 | 0.2 | AML | other | m | 2021-03-17T17:31:50.40 |
IV.MF5.EHN. | ML:2.0 | 0.000386 | 0.54 | AML | other | m | 2021-03-17T17:31:50.14 |
IV.FDMO.HHN. | ML:1.5 | 0.00010264999999999999 | 0.46 | AML | other | m | 2021-03-17T17:31:50.55 |
IV.GUMA.HHE. | ML:2.4 | 0.0009559999999999999 | 0.2 | AML | other | m | 2021-03-17T17:31:50.96 |
IV.GUMA.HHN. | ML:2.4 | 0.0009565 | 0.52 | AML | other | m | 2021-03-17T17:31:51.00 |
IV.TERO.HHE. | ML:1.5 | 0.000148 | 0.16 | AML | other | m | 2021-03-17T17:31:51.02 |
IV.CESI.HHE. | ML:1.7 | 0.00015099999999999998 | 0.16 | AML | other | m | 2021-03-17T17:31:51.77 |
IV.CSP1.EHE. | ML:2.0 | 0.0003775 | 1.54 | AML | other | m | 2021-03-17T17:31:51.94 |
IV.CESI.HHN. | ML:1.8 | 0.000212 | 0.3 | AML | other | m | 2021-03-17T17:31:52.25 |
IV.CSP1.EHN. | ML:2.0 | 0.00037 | 1.52 | AML | other | m | 2021-03-17T17:31:52.11 |
IV.ARRO.EHN. | ML:1.5 | 0.00009204999999999999 | 1.32 | AML | other | m | 2021-03-17T17:31:53.84 |
IV.ARRO.EHE. | ML:1.4 | 0.00007805000000000001 | 0.7 | AML | other | m | 2021-03-17T17:31:53.15 |
IV.FIAM.HHE. | ML:1.3 | 0.000045950000000000006 | 0.44 | AML | other | m | 2021-03-17T17:31:54.62 |
IV.SAP2.EHN. | ML:2.5 | 0.000965 | 0.4 | AML | other | m | 2021-03-17T17:31:54.86 |
IV.SAP2.EHE. | ML:1.8 | 0.000191 | 0.92 | AML | other | m | 2021-03-17T17:31:54.71 |
IV.MNTT.EHE. | ML:2.4 | 0.0008455 | 0.16 | AML | other | m | 2021-03-17T17:31:55.20 |
IV.FIAM.HHN. | ML:1.2 | 0.0000352 | 0.5 | AML | other | m | 2021-03-17T17:31:56.45 |
IV.MOMA.HHE. | ML:1.8 | 0.000147 | 0.2 | AML | other | m | 2021-03-17T17:31:56.78 |
IV.MOMA.HHN. | ML:1.6 | 0.00009235 | 0.44 | AML | other | m | 2021-03-17T17:31:56.76 |
IV.MNTT.EHN. | ML:2.2 | 0.00041400000000000003 | 0.6 | AML | other | m | 2021-03-17T17:31:57.28 |
IV.ASSB.HHE. | ML:1.4 | 0.00005125 | 0.2 | AML | other | m | 2021-03-17T17:31:58.02 |
IV.ASSB.HHN. | ML:1.4 | 0.00005715 | 1.22 | AML | other | m | 2021-03-17T17:31:59.07 |
IV.MURB.HHN. | ML:1.6 | 0.000056750000000000004 | 1.76 | AML | other | m | 2021-03-17T17:32:06.97 |
IV.MURB.HHE. | ML:1.7 | 0.00006709999999999999 | 0.52 | AML | other | m | 2021-03-17T17:32:06.47 |