A magnitude ML 0.9 earthquake occured in region: 4 km SW Arquata del Tronto (AP), on
and geographic coordinates (lat, lon) 42.7410, 13.2730 at 10 km depth.
The earthquake was located by: Sala Sismica INGV-Roma.
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 | 4 | 1178 | 1178 |
Accumoli | RI | 5 | 667 | 1845 |
Acquasanta Terme | AP | 12 | 2916 | 4761 |
Amatrice | RI | 12 | 2657 | 7418 |
Montegallo | AP | 12 | 523 | 7941 |
Norcia | PG | 16 | 4957 | 12898 |
Cittareale | RI | 16 | 482 | 13380 |
Montemonaco | AP | 18 | 604 | 13984 |
Valle Castellana | TE | 19 | 977 | 14961 |
Castelsantangelo sul Nera | MC | 20 | 281 | 15242 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2023-04-27 18:55:37 |
42.7407 | 13.2727 | 10 | 2023-04-27 19:01:47 |
Sala Sismica INGV-Roma | 116811531 |
Field | Value |
---|---|
Time (UTC) | 2023-04-27 18:55:37 ± 0.05 |
Latitude | 42.7407 ± 0.0027 |
Longitude | 13.2727 ± 0.0049 |
Depth (km) | 10 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 116811531 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 342 |
Semi-minor axis of confidence ellipse (meter) | 241 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 69 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 340.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 51 |
Number of associated phases, regardless of their use for origin computation | 37 |
Number of defining phases | 34 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.18 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.43257 |
Number of stations at which the event was observed | 19 |
Number of stations from which data was used for origin computation | 17 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.3 |
Num. used stations | 18 |
Type of magnitude | ML |
Reference to an origin | 116811531 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-04-27 19:01:47 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ASCOL.EHZ. | 2023-04-27T18:56:03.71 | 3.0 | undecidable | manual | S | 0 | ||||
IV.ASCOL.EHZ. | 2023-04-27T18:56:00.91 | 3.0 | undecidable | manual | P | 0 | ||||
IV.MML1.EHZ. | 2023-04-27T18:55:53.35 | 0.6 | undecidable | manual | S | 330 | 48.0186 | 50 | 0.22 | 46 |
IV.CESI.HHZ. | 2023-04-27T18:55:51.50 | 0.3 | undecidable | manual | S | 315 | 41.9247 | 50 | 0.02 | 73 |
IV.GUMA.HHZ. | 2023-04-27T18:55:50.32 | 0.6 | undecidable | manual | S | 8 | 36.1416 | 50 | 0.38 | 45 |
IV.CSP1.EHZ. | 2023-04-27T18:55:50.76 | 0.6 | undecidable | manual | S | 352 | 39.3273 | 50 | -0.05 | 48 |
IV.GIGS.HHZ. | 2023-04-27T18:55:50.62 | 0.6 | undecidable | manual | S | 142 | 40.2264 | 50 | -0.42 | 45 |
IV.FDMO.HHZ. | 2023-04-27T18:55:49.46 | 0.6 | undecidable | manual | S | 335 | 36.1416 | 50 | -0.48 | 44 |
IV.MF5.EHZ. | 2023-04-27T18:55:49.14 | 0.3 | undecidable | manual | S | 29 | 31.3464 | 50 | 0.47 | 68 |
IV.TERO.HHZ. | 2023-04-27T18:55:48.10 | 0.6 | undecidable | manual | S | 116 | 30.0477 | 50 | -0.21 | 48 |
IV.GAVE.EHZ. | 2023-04-27T18:55:48.68 | 0.6 | undecidable | manual | S | 260 | 31.3464 | 50 | 0.02 | 49 |
IV.RM33.EHZ. | 2023-04-27T18:55:47.54 | 0.6 | undecidable | manual | S | 190 | 26.1516 | 50 | 0.26 | 47 |
IV.MML1.EHZ. | 2023-04-27T18:55:46.48 | 0.6 | undecidable | manual | P | 330 | 48.0186 | 50 | -0.11 | 47 |
IV.LNSS.HHZ. | 2023-04-27T18:55:46.74 | 0.6 | undecidable | manual | S | 231 | 24.3534 | 50 | -0.05 | 50 |
IV.GIGS.HHZ. | 2023-04-27T18:55:45.38 | 1.0 | undecidable | manual | P | 142 | 40.2264 | 50 | 0 | 24 |
IV.CESI.HHZ. | 2023-04-27T18:55:45.46 | 0.6 | undecidable | manual | P | 315 | 41.9247 | 50 | -0.18 | 47 |
IV.GAVE.EHZ. | 2023-04-27T18:55:44.06 | 0.6 | negative | manual | P | 260 | 31.3464 | 50 | 0.06 | 49 |
IV.CSP1.EHZ. | 2023-04-27T18:55:44.84 | 1.0 | undecidable | manual | P | 352 | 39.3273 | 50 | -0.4 | 23 |
7F.SIB2.EHZ. | 2023-04-27T18:55:44.51 | 0.6 | undecidable | manual | S | 9 | 16.872 | 121 | 0.01 | 51 |
IV.MF5.EHZ. | 2023-04-27T18:55:44.42 | 1.0 | undecidable | manual | P | 29 | 31.3464 | 50 | 0.41 | 23 |
IV.FDMO.HHZ. | 2023-04-27T18:55:44.46 | 0.6 | negative | manual | P | 335 | 36.1416 | 50 | -0.29 | 46 |
IV.NRCA.HHZ. | 2023-04-27T18:55:44.45 | 0.3 | undecidable | manual | S | 309 | 16.4724 | 122 | 0.07 | 75 |
IV.GUMA.HHZ. | 2023-04-27T18:55:44.74 | 1.0 | undecidable | manual | P | 8 | 36.1416 | 50 | 0 | 25 |
IV.MMO1.HNZ. | 2023-04-27T18:55:44.93 | 0.6 | undecidable | manual | S | 14 | 18.1707 | 119 | 0.05 | 50 |
IV.LNSS.HHZ. | 2023-04-27T18:55:43.06 | 0.1 | positive | manual | P | 231 | 24.3534 | 50 | 0.13 | 98 |
IV.SMA1.EHZ. | 2023-04-27T18:55:43.30 | 0.6 | undecidable | manual | S | 157 | 13.2756 | 128 | -0.15 | 50 |
IV.RM33.EHZ. | 2023-04-27T18:55:43.34 | 1.0 | undecidable | manual | P | 190 | 26.1516 | 50 | 0.14 | 24 |
7F.SIB3.EHZ. | 2023-04-27T18:55:43.80 | 0.6 | undecidable | manual | S | 359 | 14.9739 | 124 | -0.12 | 50 |
IV.TERO.HHZ. | 2023-04-27T18:55:43.59 | 0.1 | undecidable | manual | P | 116 | 30.0477 | 50 | -0.21 | 95 |
IV.CING.HHZ. | 2023-04-27T18:55:42.66 | 3.0 | undecidable | manual | P | 0 | ||||
IV.MTRA.EHZ. | 2023-04-27T18:55:42.56 | 0.6 | undecidable | manual | S | 80 | 10.2786 | 135 | -0.1 | 50 |
IV.NRCA.HHZ. | 2023-04-27T18:55:41.62 | 1.0 | undecidable | manual | P | 309 | 16.4724 | 122 | 0.08 | 25 |
IV.MMO1.HNZ. | 2023-04-27T18:55:41.74 | 0.1 | undecidable | manual | P | 14 | 18.1707 | 119 | -0.08 | 100 |
7F.SIB2.EHZ. | 2023-04-27T18:55:41.45 | 0.1 | undecidable | manual | P | 9 | 16.872 | 121 | -0.15 | 99 |
IV.MTRA.EHZ. | 2023-04-27T18:55:41.04 | 0.3 | undecidable | manual | P | 80 | 10.2786 | 135 | 0.49 | 70 |
IV.SMA1.EHZ. | 2023-04-27T18:55:41.45 | 0.6 | positive | manual | P | 157 | 13.2756 | 128 | 0.46 | 47 |
7F.SIB3.EHZ. | 2023-04-27T18:55:41.07 | 0.1 | undecidable | manual | P | 359 | 14.9739 | 124 | -0.2 | 98 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MTRA.EHE. | ML:1.6 | 0.0004815 | 1.42 | AML | other | m | 2023-04-27T18:55:43.88 |
IV.MTRA.EHN. | ML:1.2 | 0.000189 | 0.64 | AML | other | m | 2023-04-27T18:55:43.40 |
IV.SMA1.EHN. | ML:0.5 | 0.0000332 | 0.08 | AML | other | m | 2023-04-27T18:55:44.64 |
IV.SMA1.EHE. | ML:0.6 | 0.000045700000000000006 | 0.44 | AML | other | m | 2023-04-27T18:55:45.43 |
IV.LNSS.HHN. | ML:1.3 | 0.0001137 | 0.18 | AML | other | m | 2023-04-27T18:55:47.21 |
IV.LNSS.HHE. | ML:1.0 | 0.00005745 | 0.72 | AML | other | m | 2023-04-27T18:55:47.98 |
IV.RM33.EHN. | ML:0.7 | 0.000032500000000000004 | 1.44 | AML | other | m | 2023-04-27T18:55:48.17 |
IV.RM33.EHE. | ML:0.8 | 0.000041099999999999996 | 0.3 | AML | other | m | 2023-04-27T18:55:48.31 |
IV.TERO.HHN. | ML:0.9 | 0.0000354 | 0.96 | AML | other | m | 2023-04-27T18:55:48.23 |
IV.TERO.HHE. | ML:0.9 | 0.00004095 | 0.52 | AML | other | m | 2023-04-27T18:55:49.37 |
IV.FDMO.HHN. | ML:0.8 | 0.0000248 | 0.44 | AML | other | m | 2023-04-27T18:55:49.98 |
IV.FDMO.HHE. | ML:0.6 | 0.00001695 | 1.4 | AML | other | m | 2023-04-27T18:55:50.10 |
IV.GUMA.HHN. | ML:1.4 | 0.00010745 | 1.38 | AML | other | m | 2023-04-27T18:55:50.88 |
IV.CESI.HHE. | ML:0.9 | 0.000025549999999999998 | 1.5 | AML | other | m | 2023-04-27T18:55:52.91 |
IV.CESI.HHN. | ML:1.1 | 0.00004475 | 1.54 | AML | other | m | 2023-04-27T18:55:52.94 |
IV.GUMA.HHE. | ML:1.4 | 0.0001075 | 0.32 | AML | other | m | 2023-04-27T18:55:52.99 |
IV.MML1.EHN. | ML:0.7 | 0.0000162 | 0.14 | AML | other | m | 2023-04-27T18:55:53.92 |
IV.MML1.EHE. | ML:0.9 | 0.00001795 | 0.16 | AML | other | m | 2023-04-27T18:55:54.86 |