A magnitude ML 1.7 earthquake occured in region: 4 km NW Accumoli (RI), on
and geographic coordinates (lat, lon) 42.7270, 13.2320 at 10 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 | 8 | 1178 | 1845 |
Amatrice | RI | 12 | 2657 | 4502 |
Cittareale | RI | 13 | 482 | 4984 |
Norcia | PG | 14 | 4957 | 9941 |
Acquasanta Terme | AP | 15 | 2916 | 12857 |
Montegallo | AP | 15 | 523 | 13380 |
Cascia | PG | 18 | 3217 | 16597 |
Castelsantangelo sul Nera | MC | 20 | 281 | 16878 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.7 | 2021-08-30 00:31:05 |
42.7267 | 13.2317 | 10 | 2021-12-29 11:12:26 |
Bollettino Sismico Italiano INGV | 95112791 |
Reviewed Rev100 |
ML 1.7 | 2021-08-30 00:31:05 |
42.7273 | 13.2335 | 11 | 2021-08-30 00:36:48 |
Sala Sismica INGV-Roma | 94805531 |
Field | Value |
---|---|
Time (UTC) | 2021-08-30 00:31:05 ± 0.05 |
Latitude | 42.7267 ± 0.0027 |
Longitude | 13.2317 ± 0.0049 |
Depth (km) | 10 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 95112791 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 395 |
Semi-minor axis of confidence ellipse (meter) | 239 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 77 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 400.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 57 |
Number of associated phases, regardless of their use for origin computation | 37 |
Number of defining phases | 29 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.25 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.43078 |
Number of stations at which the event was observed | 26 |
Number of stations from which data was used for origin computation | 19 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.2 |
Num. used stations | 20 |
Type of magnitude | ML |
Reference to an origin | 95112791 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-09-06 14:07:48 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.3 |
Num. used stations | 24 |
Type of magnitude | ML |
Reference to an origin | 94805531 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-08-30 00:36:48 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ICAI.EHZ. | 2021-08-30T00:32:03.77 | 3.0 | undecidable | manual | Sn | -3.81 | 0 | |||
IV.FIR.HHZ. | 2021-08-30T00:31:36.76 | 3.0 | undecidable | manual | Pn | 0.3 | 0 | |||
IV.CPGN.EHZ. | 2021-08-30T00:31:29.77 | 3.0 | undecidable | manual | P | 0.46 | 0 | |||
IV.EL6.EHZ. | 2021-08-30T00:31:27.90 | 3.0 | undecidable | manual | S | -0.17 | 0 | |||
IV.CING.HHZ. | 2021-08-30T00:31:18.58 | 3.0 | undecidable | manual | P | -0.31 | 0 | |||
IV.EL6.EHZ. | 2021-08-30T00:31:17.83 | 3.0 | negative | manual | P | -0.34 | 0 | |||
IV.VCEL.EHZ. | 2021-08-30T00:31:16.71 | 3.0 | undecidable | manual | P | -0.54 | 0 | |||
IV.GAVE.EHZ. | 2021-08-30T00:31:15.26 | 0.3 | undecidable | manual | S | 262 | 27.75 | 50 | -0.04 | 74 |
IV.MML1.EHZ. | 2021-08-30T00:31:14.11 | 0.6 | undecidable | manual | P | 334 | 47.8188 | 50 | -0.05 | 47 |
IV.MNTT.EHZ. | 2021-08-30T00:31:14.84 | 0.1 | undecidable | manual | P | 38 | 47.5191 | 50 | 0.73 | 78 |
IV.RM33.EHZ. | 2021-08-30T00:31:14.19 | 0.3 | undecidable | manual | S | 183 | 24.1536 | 50 | -0.15 | 72 |
IV.OFFI.HHZ. | 2021-08-30T00:31:14.16 | 0.1 | undecidable | manual | P | 58 | 43.5231 | 50 | 0.66 | 81 |
IV.CAMP.HHZ. | 2021-08-30T00:31:14.30 | 0.3 | undecidable | manual | S | 146 | 25.6521 | 50 | -0.43 | 68 |
IV.MC2.EHZ. | 2021-08-30T00:31:13.32 | 0.3 | undecidable | manual | S | 350 | 20.7681 | 117 | -0.03 | 75 |
IV.LNSS.HHZ. | 2021-08-30T00:31:13.35 | 0.3 | undecidable | manual | S | 229 | 20.7681 | 117 | 0.01 | 75 |
IV.ARRO.EHZ. | 2021-08-30T00:31:13.13 | 3.0 | undecidable | manual | P | -0.73 | 0 | |||
IV.MMO1.EHZ. | 2021-08-30T00:31:13.04 | 0.3 | undecidable | manual | S | 22 | 20.6682 | 117 | -0.27 | 71 |
IV.MF5.EHZ. | 2021-08-30T00:31:12.42 | 0.6 | positive | manual | P | 33 | 34.4433 | 50 | 0.34 | 46 |
IV.GUMA.HHZ. | 2021-08-30T00:31:12.92 | 0.6 | positive | manual | P | 13 | 38.2284 | 50 | 0.25 | 46 |
IV.FDMO.HHZ. | 2021-08-30T00:31:12.14 | 0.3 | undecidable | manual | P | 341 | 36.3414 | 50 | -0.24 | 70 |
IV.CSP1.EHZ. | 2021-08-30T00:31:12.88 | 0.6 | negative | manual | P | 357 | 40.5261 | 50 | -0.16 | 47 |
IV.CESI.HHZ. | 2021-08-30T00:31:12.92 | 0.3 | undecidable | manual | P | 319 | 40.7259 | 50 | -0.14 | 70 |
IV.SMA1.EHZ. | 2021-08-30T00:31:11.15 | 0.3 | undecidable | manual | S | 142 | 13.5753 | 127 | -0.07 | 75 |
IV.GAVE.EHZ. | 2021-08-30T00:31:11.02 | 0.1 | positive | manual | P | 262 | 27.75 | 50 | -0.04 | 98 |
IV.NRCA.HHZ. | 2021-08-30T00:31:11.54 | 0.3 | undecidable | manual | S | 321 | 15.2736 | 124 | -0.14 | 74 |
IV.TERO.HHZ. | 2021-08-30T00:31:11.46 | 0.3 | undecidable | manual | P | 111 | 32.4453 | 50 | -0.33 | 69 |
IV.RM33.EHZ. | 2021-08-30T00:31:10.44 | 0.3 | undecidable | manual | P | 183 | 24.1536 | 50 | -0.07 | 74 |
IV.T1299.EHZ. | 2021-08-30T00:31:10.84 | 0.3 | undecidable | manual | S | 158 | 11.0778 | 133 | 0.3 | 72 |
IV.CAMP.HHZ. | 2021-08-30T00:31:10.51 | 0.3 | undecidable | manual | P | 146 | 25.6521 | 50 | -0.22 | 71 |
IV.LNSS.HHZ. | 2021-08-30T00:31:10.02 | 0.1 | positive | manual | P | 229 | 20.7681 | 117 | 0.09 | 98 |
IV.MTRA.HNZ. | 2021-08-30T00:31:10.95 | 0.1 | undecidable | manual | S | 76 | 13.875 | 127 | -0.33 | 95 |
IV.NRCA.HHZ. | 2021-08-30T00:31:09.04 | 0.1 | negative | manual | P | 321 | 15.2736 | 124 | 0.06 | 100 |
IV.MMO1.EHZ. | 2021-08-30T00:31:09.74 | 0.1 | undecidable | manual | P | 22 | 20.6682 | 117 | -0.17 | 97 |
IV.MC2.EHZ. | 2021-08-30T00:31:09.94 | 0.3 | negative | manual | P | 350 | 20.7681 | 117 | 0 | 75 |
IV.MTRA.HNZ. | 2021-08-30T00:31:08.68 | 0.1 | undecidable | manual | P | 76 | 13.875 | 127 | -0.07 | 100 |
IV.T1299.EHZ. | 2021-08-30T00:31:08.69 | 0.1 | undecidable | manual | P | 158 | 11.0778 | 133 | 0.37 | 94 |
IV.SMA1.EHZ. | 2021-08-30T00:31:08.83 | 0.3 | negative | manual | P | 142 | 13.5753 | 127 | 0.12 | 74 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MTRA.EHN. | ML:1.7 | 0.0005309999999999999 | 0.74 | AML | other | m | 2021-08-30T00:31:11.48 |
IV.MTRA.HNN. | ML:1.8 | 0.000612 | 0.74 | AML | other | m | 2021-08-30T00:31:11.11 |
IV.MTRA.HNE. | ML:2.0 | 0.0009515 | 0.36 | AML | other | m | 2021-08-30T00:31:11.21 |
IV.MTRA.EHE. | ML:2.0 | 0.0009850000000000002 | 0.36 | AML | other | m | 2021-08-30T00:31:11.04 |
IV.LNSS.HHN. | ML:1.6 | 0.000298 | 1.06 | AML | other | m | 2021-08-30T00:31:14.27 |
IV.LNSS.HHE. | ML:1.7 | 0.000352 | 0.44 | AML | other | m | 2021-08-30T00:31:14.51 |
IV.RM33.EHN. | ML:1.5 | 0.0001735 | 0.22 | AML | other | m | 2021-08-30T00:31:14.47 |
IV.RM33.EHE. | ML:1.4 | 0.0001525 | 0.92 | AML | other | m | 2021-08-30T00:31:14.90 |
IV.GAVE.EHE. | ML:1.6 | 0.0001885 | 0.22 | AML | other | m | 2021-08-30T00:31:15.73 |
IV.GAVE.EHN. | ML:1.5 | 0.00017649999999999998 | 0.36 | AML | other | m | 2021-08-30T00:31:16.59 |
IV.GUMA.HNN. | ML:2.0 | 0.000368 | 0.34 | AML | other | m | 2021-08-30T00:31:19.18 |
IV.GUMA.HHN. | ML:2.0 | 0.0003355 | 0.34 | AML | other | m | 2021-08-30T00:31:19.20 |
IV.GUMA.HNE. | ML:2.0 | 0.0003205 | 0.26 | AML | other | m | 2021-08-30T00:31:19.10 |
IV.GUMA.HHE. | ML:2.0 | 0.00032450000000000003 | 0.28 | AML | other | m | 2021-08-30T00:31:19.11 |
IV.CSP1.EHN. | ML:1.7 | 0.0001705 | 0.52 | AML | other | m | 2021-08-30T00:31:20.29 |
IV.CSP1.EHE. | ML:1.6 | 0.0001235 | 1.04 | AML | other | m | 2021-08-30T00:31:20.76 |
IV.TERO.HHN. | ML:1.6 | 0.00016602234999999997 | 0.08 | AML | other | m | 2021-08-30T00:31:16.41 |
IV.TERO.HNE. | ML:1.4 | 0.00012234133 | 0.18 | AML | other | m | 2021-08-30T00:31:16.80 |
IV.MNTT.EHN. | ML:1.6 | 0.00012019352500000001 | 0.18 | AML | other | m | 2021-08-30T00:31:23.43 |
IV.MNTT.EHE. | ML:1.7 | 0.00014167915 | 0.44 | AML | other | m | 2021-08-30T00:31:25.09 |