A magnitude ML 0.9 earthquake occured in region: 7 km W Arquata del Tronto (AP), on
and geographic coordinates (lat, lon) 42.7980, 13.2150 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 | 7 | 1178 | 1178 |
Norcia | PG | 10 | 4957 | 6135 |
Montegallo | AP | 11 | 523 | 6658 |
Accumoli | RI | 12 | 667 | 7325 |
Castelsantangelo sul Nera | MC | 12 | 281 | 7606 |
Montemonaco | AP | 15 | 604 | 8210 |
Acquasanta Terme | AP | 16 | 2916 | 11126 |
Preci | PG | 17 | 724 | 11850 |
Ussita | MC | 18 | 444 | 12294 |
Visso | MC | 18 | 1107 | 13401 |
Cascia | PG | 19 | 3217 | 16618 |
Montefortino | FM | 19 | 1178 | 17796 |
Amatrice | RI | 20 | 2657 | 20453 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 0.9 | 2021-05-31 18:12:51 |
42.7978 | 13.215 | 11 | 2021-12-29 11:12:06 |
Bollettino Sismico Italiano INGV | 91654821 |
Field | Value |
---|---|
Time (UTC) | 2021-05-31 18:12:51 ± 0.03 |
Latitude | 42.7978 ± 0.0018 |
Longitude | 13.2150 ± 0.0025 |
Depth (km) | 11 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 91654821 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 230 |
Semi-minor axis of confidence ellipse (meter) | 34 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 72 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 230.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 64 |
Number of associated phases, regardless of their use for origin computation | 34 |
Number of defining phases | 34 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.14 |
Epicentral distance of station closest to the epicenter (degree) | 0.08184 |
Epicentral distance of station farthest from the epicenter (degree) | 0.36243 |
Number of stations at which the event was observed | 17 |
Number of stations from which data was used for origin computation | 17 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.1 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 91654821 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-06-21 12:04:12 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MML1.HNE. | 2021-05-31T18:13:04.38 | 0.6 | undecidable | manual | S | 331 | 40.2264 | 90 | 0.12 | 47 |
IV.TERO.HHZ. | 2021-05-31T18:13:03.25 | 0.3 | undecidable | manual | S | 121 | 37.1295 | 91 | -0.2 | 69 |
IV.PF6.EHN. | 2021-05-31T18:13:03.44 | 0.3 | undecidable | manual | S | 357 | 37.7289 | 91 | -0.17 | 71 |
IV.CESI.HHE. | 2021-05-31T18:13:02.61 | 0.6 | undecidable | manual | S | 312 | 34.1436 | 91 | -0.02 | 49 |
IV.CSP1.EHZ. | 2021-05-31T18:13:02.20 | 0.3 | undecidable | manual | S | 359 | 32.6451 | 91 | -0.03 | 73 |
IV.RM33.HNE. | 2021-05-31T18:13:02.04 | 0.6 | undecidable | manual | S | 180 | 32.0457 | 91 | -0.04 | 48 |
IV.GAVE.EHZ. | 2021-05-31T18:13:01.41 | 0.3 | undecidable | manual | S | 246 | 28.6491 | 91 | 0.23 | 70 |
IV.MF5.EHZ. | 2021-05-31T18:13:01.70 | 0.6 | undecidable | manual | S | 43 | 28.9488 | 91 | 0.44 | 45 |
IV.GUMA.HNN. | 2021-05-31T18:13:01.95 | 0.6 | undecidable | manual | S | 18 | 30.9468 | 91 | 0.16 | 47 |
IV.LNSS.HNZ. | 2021-05-31T18:13:00.48 | 0.3 | undecidable | manual | S | 213 | 25.8519 | 91 | 0.04 | 73 |
IV.FDMO.HHN. | 2021-05-31T18:13:00.77 | 0.6 | undecidable | manual | S | 339 | 28.4493 | 91 | -0.34 | 46 |
IV.FEMA.HNE. | 2021-05-31T18:12:59.42 | 0.6 | undecidable | manual | S | 324 | 22.6551 | 91 | -0.15 | 49 |
IV.SMA1.EHZ. | 2021-05-31T18:12:59.13 | 0.3 | undecidable | manual | S | 152 | 20.9679 | 92 | 0 | 74 |
IV.MML1.HNE. | 2021-05-31T18:12:58.86 | 0.3 | undecidable | manual | P | 331 | 40.2264 | 90 | 0.17 | 69 |
IV.TERO.HHZ. | 2021-05-31T18:12:58.22 | 0.3 | undecidable | manual | P | 121 | 37.1295 | 91 | 0 | 72 |
IV.PF6.EHN. | 2021-05-31T18:12:58.19 | 0.3 | undecidable | manual | P | 357 | 37.7289 | 91 | -0.12 | 71 |
IV.CSP1.EHZ. | 2021-05-31T18:12:57.33 | 0.3 | undecidable | manual | P | 359 | 32.6451 | 91 | -0.19 | 71 |
IV.RM33.HNE. | 2021-05-31T18:12:57.71 | 0.6 | undecidable | manual | P | 180 | 32.0457 | 91 | 0.28 | 46 |
IV.GUMA.HNN. | 2021-05-31T18:12:57.42 | 0.1 | undecidable | manual | P | 18 | 30.9468 | 91 | 0.16 | 95 |
IV.MC2.EHZ. | 2021-05-31T18:12:57.08 | 0.3 | undecidable | manual | S | 350 | 12.7761 | 107 | 0.13 | 74 |
IV.CESI.HHE. | 2021-05-31T18:12:57.51 | 0.1 | undecidable | manual | P | 312 | 34.1436 | 91 | -0.24 | 93 |
IV.MMO1.EHZ. | 2021-05-31T18:12:57.29 | 0.3 | undecidable | manual | S | 39 | 14.4744 | 99 | -0.11 | 74 |
IV.MF5.EHZ. | 2021-05-31T18:12:57.18 | 0.3 | undecidable | manual | P | 43 | 28.9488 | 91 | 0.22 | 71 |
IV.MTRA.EHE. | 2021-05-31T18:12:57.48 | 0.3 | undecidable | manual | S | 107 | 15.4734 | 96 | -0.18 | 72 |
IV.NRCA.HHZ. | 2021-05-31T18:12:56.12 | 0.3 | undecidable | manual | S | 296 | 9.0798 | 126 | 0.04 | 76 |
IV.FDMO.HHN. | 2021-05-31T18:12:56.60 | 0.3 | undecidable | manual | P | 339 | 28.4493 | 91 | -0.27 | 70 |
IV.GAVE.EHZ. | 2021-05-31T18:12:56.86 | 0.6 | undecidable | manual | P | 246 | 28.6491 | 91 | -0.04 | 49 |
IV.LNSS.HNZ. | 2021-05-31T18:12:56.48 | 0.1 | undecidable | manual | P | 213 | 25.8519 | 91 | 0 | 99 |
IV.SMA1.EHZ. | 2021-05-31T18:12:55.76 | 0.3 | undecidable | manual | P | 152 | 20.9679 | 92 | 0.03 | 75 |
IV.FEMA.HNE. | 2021-05-31T18:12:55.91 | 0.1 | undecidable | manual | P | 324 | 22.6551 | 91 | -0.07 | 99 |
IV.MMO1.EHZ. | 2021-05-31T18:12:54.78 | 0.1 | negative | manual | P | 39 | 14.4744 | 99 | 0.06 | 100 |
IV.MTRA.EHE. | 2021-05-31T18:12:54.84 | 0.3 | undecidable | manual | P | 107 | 15.4734 | 96 | -0.03 | 75 |
IV.NRCA.HHZ. | 2021-05-31T18:12:54.18 | 0.1 | undecidable | manual | P | 296 | 9.0798 | 126 | 0.22 | 98 |
IV.MC2.EHZ. | 2021-05-31T18:12:54.64 | 0.3 | undecidable | manual | P | 350 | 12.7761 | 107 | 0.17 | 73 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MTRA.EHE. | ML:1.1 | 0.0001041 | 0.44 | AML | other | m | 2021-05-31T18:12:57.62 |
IV.MTRA.EHN. | ML:0.9 | 0.00006984999999999999 | 0.86 | AML | other | m | 2021-05-31T18:12:57.89 |
IV.GAVE.EHE. | ML:1.0 | 0.00004379 | 0.68 | AML | other | m | 2021-05-31T18:13:02.48 |
IV.GAVE.EHN. | ML:0.8 | 0.000032865000000000005 | 1.42 | AML | other | m | 2021-05-31T18:13:03.81 |