A magnitude ML 1.0 earthquake occured in region: 8 km W Arquata del Tronto (AP), on
and geographic coordinates (lat, lon) 42.7950, 13.2040 at 9 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 | 8 | 1178 | 1178 |
Norcia | PG | 9 | 4957 | 6135 |
Accumoli | RI | 12 | 667 | 6802 |
Castelsantangelo sul Nera | MC | 12 | 281 | 7083 |
Montegallo | AP | 12 | 523 | 7606 |
Montemonaco | AP | 16 | 604 | 8210 |
Preci | PG | 16 | 724 | 8934 |
Acquasanta Terme | AP | 17 | 2916 | 11850 |
Ussita | MC | 18 | 444 | 12294 |
Cascia | PG | 18 | 3217 | 15511 |
Visso | MC | 18 | 1107 | 16618 |
Amatrice | RI | 20 | 2657 | 19275 |
Cittareale | RI | 20 | 482 | 19757 |
Montefortino | FM | 20 | 1178 | 20935 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.0 | 2024-01-31 12:42:52 |
42.7952 | 13.2037 | 9 | 2024-01-31 12:55:16 |
Sala Sismica INGV-Roma | 124965781 |
Field | Value |
---|---|
Time (UTC) | 2024-01-31 12:42:52 ± 0.1 |
Latitude | 42.7952 ± 0.0063 |
Longitude | 13.2037 ± 0.0086 |
Depth (km) | 9 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 124965781 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 794 |
Semi-minor axis of confidence ellipse (meter) | 540 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 226 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 790.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 150 |
Number of associated phases, regardless of their use for origin computation | 16 |
Number of defining phases | 15 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.24 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.34084 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.4 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 124965781 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2024-01-31 12:55:16 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.TERO.HHZ. | 2024-01-31T12:43:05.35 | 0.6 | undecidable | manual | S | 120 | 37.8288 | 50 | -0.35 | 46 |
IV.CESI.HHZ. | 2024-01-31T12:43:04.72 | 0.6 | undecidable | manual | S | 314 | 33.6441 | 50 | 0.14 | 46 |
IV.CSP1.EHZ. | 2024-01-31T12:43:04.16 | 0.6 | undecidable | manual | S | 0 | 32.9448 | 50 | -0.23 | 47 |
IV.MF5.EHZ. | 2024-01-31T12:43:03.90 | 0.3 | undecidable | manual | S | 44 | 29.8479 | 107 | 0.35 | 67 |
IV.FDMO.HHZ. | 2024-01-31T12:43:02.89 | 0.6 | undecidable | manual | S | 341 | 28.3494 | 108 | -0.18 | 47 |
IV.CSP1.EHZ. | 2024-01-31T12:42:59.24 | 0.6 | positive | manual | P | 0 | 32.9448 | 50 | -0.22 | 47 |
IV.CESI.HHZ. | 2024-01-31T12:42:59.50 | 1.0 | undecidable | manual | P | 314 | 33.6441 | 50 | -0.07 | 24 |
IV.MF5.EHZ. | 2024-01-31T12:42:59.54 | 0.1 | undecidable | manual | P | 44 | 29.8479 | 107 | 0.57 | 84 |
IV.TERO.HHZ. | 2024-01-31T12:42:59.96 | 0.3 | negative | manual | P | 120 | 37.8288 | 50 | -0.25 | 70 |
IV.MMO1.EHZ. | 2024-01-31T12:42:58.52 | 0.6 | undecidable | manual | S | 41 | 15.2736 | 121 | -0.38 | 44 |
IV.FDMO.HHZ. | 2024-01-31T12:42:58.52 | 1.0 | undecidable | manual | P | 341 | 28.3494 | 108 | -0.17 | 24 |
IV.LNSS.HHZ. | 2024-01-31T12:42:58.64 | 3.0 | undecidable | manual | P | 0.43 | 0 | |||
IV.SMA1.EHZ. | 2024-01-31T12:42:57.45 | 0.1 | undecidable | manual | P | 150 | 21.1677 | 113 | 0.11 | 97 |
IV.NRCA.HHZ. | 2024-01-31T12:42:57.00 | 0.6 | undecidable | manual | S | 300 | 8.3805 | 137 | -0.03 | 49 |
IV.MMO1.EHZ. | 2024-01-31T12:42:56.23 | 0.6 | positive | manual | P | 41 | 15.2736 | 121 | -0.06 | 49 |
IV.NRCA.HHZ. | 2024-01-31T12:42:55.32 | 0.1 | positive | manual | P | 300 | 8.3805 | 137 | 0.11 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.9 | 0.0011 | 0.12 | AML | other | m | 2024-01-31T12:42:57.22 |
IV.NRCA.HHE. | ML:2.0 | 0.001555 | 0.86 | AML | other | m | 2024-01-31T12:42:57.18 |
IV.MMO1.EHE. | ML:1.5 | 0.000324 | 0.28 | AML | other | m | 2024-01-31T12:42:58.81 |
IV.MMO1.EHN. | ML:1.5 | 0.00033600000000000004 | 0.64 | AML | other | m | 2024-01-31T12:42:59.77 |
IV.LNSS.HHE. | ML:0.9 | 0.00005215 | 0.46 | AML | other | m | 2024-01-31T12:43:03.26 |
IV.FDMO.HHN. | ML:0.8 | 0.0000298 | 0.84 | AML | other | m | 2024-01-31T12:43:03.06 |
IV.LNSS.HHN. | ML:1.0 | 0.0000615 | 0.38 | AML | other | m | 2024-01-31T12:43:03.56 |
IV.FDMO.HHE. | ML:0.7 | 0.00002615 | 0.42 | AML | other | m | 2024-01-31T12:43:04.34 |
IV.SMA1.EHN. | ML:0.9 | 0.0000559 | 0.52 | AML | other | m | 2024-01-31T12:43:05.67 |
IV.CESI.HHE. | ML:0.8 | 0.0000321 | 0.48 | AML | other | m | 2024-01-31T12:43:06.28 |
IV.SMA1.EHE. | ML:1.0 | 0.00006355 | 1.3 | AML | other | m | 2024-01-31T12:43:06.76 |
IV.CESI.HHN. | ML:1.0 | 0.0000399 | 1.44 | AML | other | m | 2024-01-31T12:43:06.85 |