A magnitude ML 0.8 earthquake occured in region: 4 km SW Arquata del Tronto (AP), on
and geographic coordinates (lat, lon) 42.7470, 13.2640 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 | 6 | 667 | 1845 |
Montegallo | AP | 12 | 523 | 2368 |
Acquasanta Terme | AP | 12 | 2916 | 5284 |
Amatrice | RI | 13 | 2657 | 7941 |
Norcia | PG | 15 | 4957 | 12898 |
Cittareale | RI | 17 | 482 | 13380 |
Montemonaco | AP | 18 | 604 | 13984 |
Castelsantangelo sul Nera | MC | 19 | 281 | 14265 |
Valle Castellana | TE | 19 | 977 | 15242 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.8 | 2023-03-20 03:20:03 |
42.7468 | 13.2638 | 10 | 2023-03-20 03:27:50 |
Sala Sismica INGV-Roma | 115552841 |
Field | Value |
---|---|
Time (UTC) | 2023-03-20 03:20:03 ± 0.04 |
Latitude | 42.7468 ± 0.0018 |
Longitude | 13.2638 ± 0.0037 |
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 | 115552841 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 264 |
Semi-minor axis of confidence ellipse (meter) | 70 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 91 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 260.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 85 |
Number of associated phases, regardless of their use for origin computation | 16 |
Number of defining phases | 16 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.11 |
Epicentral distance of station closest to the epicenter (degree) | 0.12770 |
Epicentral distance of station farthest from the epicenter (degree) | 0.37142 |
Number of stations at which the event was observed | 11 |
Number of stations from which data was used for origin computation | 11 |
Field | Value |
---|---|
Value | 0.8 |
Uncertainty | 0.2 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 115552841 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-03-20 03:27:50 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.RM33.EHZ. | 2023-03-20T03:20:13.56 | 0.1 | undecidable | manual | S | 189 | 26.6511 | 110 | -0.08 | 98 |
IV.LNSS.HHZ. | 2023-03-20T03:20:12.84 | 0.1 | undecidable | manual | S | 229 | 24.2535 | 112 | -0.01 | 100 |
IV.CESI.HHZ. | 2023-03-20T03:20:11.56 | 0.6 | positive | manual | P | 315 | 40.9257 | 50 | -0.11 | 47 |
IV.CSP1.EHZ. | 2023-03-20T03:20:11.37 | 1.0 | positive | manual | P | 353 | 38.5281 | 50 | 0.06 | 24 |
IV.GIGS.HHZ. | 2023-03-20T03:20:11.78 | 1.0 | undecidable | manual | P | 142 | 41.2254 | 50 | 0.06 | 24 |
IV.MF5.EHZ. | 2023-03-20T03:20:10.39 | 1.0 | undecidable | manual | P | 31 | 31.1466 | 50 | 0.23 | 24 |
IV.NRCA.HHZ. | 2023-03-20T03:20:10.02 | 0.3 | undecidable | manual | S | 308 | 15.4734 | 122 | -0.12 | 74 |
IV.GAVE.EHZ. | 2023-03-20T03:20:10.07 | 0.6 | negative | manual | P | 259 | 30.747 | 50 | -0.03 | 49 |
IV.MMO1.EHZ. | 2023-03-20T03:20:10.73 | 0.1 | undecidable | manual | S | 17 | 17.6712 | 119 | -0.06 | 100 |
IV.SMA1.EHZ. | 2023-03-20T03:20:09.67 | 0.1 | undecidable | manual | S | 156 | 14.1747 | 125 | -0.08 | 100 |
IV.LNSS.HHZ. | 2023-03-20T03:20:09.01 | 0.1 | undecidable | manual | P | 229 | 24.2535 | 112 | 0 | 100 |
IV.RM33.EHZ. | 2023-03-20T03:20:09.61 | 0.1 | undecidable | manual | P | 189 | 26.6511 | 110 | 0.14 | 97 |
IV.TERO.HHZ. | 2023-03-20T03:20:09.90 | 0.6 | undecidable | manual | P | 116 | 30.9468 | 50 | -0.24 | 47 |
IV.MMO1.EHZ. | 2023-03-20T03:20:07.93 | 1.0 | positive | manual | P | 17 | 17.6712 | 119 | 0.1 | 25 |
IV.SMA1.EHZ. | 2023-03-20T03:20:07.50 | 0.6 | negative | manual | P | 156 | 14.1747 | 125 | 0.27 | 48 |
IV.NRCA.HHZ. | 2023-03-20T03:20:07.58 | 0.1 | undecidable | manual | P | 308 | 15.4734 | 122 | 0.13 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.SMA1.EHN. | ML:0.6 | 0.00004425 | 1.58 | AML | other | m | 2023-03-20T03:20:09.19 |
IV.SMA1.EHE. | ML:0.7 | 0.0000521 | 0.36 | AML | other | m | 2023-03-20T03:20:10.17 |
IV.NRCA.HHE. | ML:1.1 | 0.0001085 | 0.08 | AML | other | m | 2023-03-20T03:20:10.18 |
IV.NRCA.HHN. | ML:1.2 | 0.0001385 | 0.1 | AML | other | m | 2023-03-20T03:20:10.24 |
IV.MMO1.EHE. | ML:0.8 | 0.000048299999999999995 | 0.1 | AML | other | m | 2023-03-20T03:20:10.97 |
IV.MMO1.EHN. | ML:0.5 | 0.000027249999999999995 | 1.12 | AML | other | m | 2023-03-20T03:20:11.65 |
IV.LNSS.HHE. | ML:0.8 | 0.00003795 | 1.88 | AML | other | m | 2023-03-20T03:20:12.95 |
IV.LNSS.HHN. | ML:0.8 | 0.00003765 | 1.86 | AML | other | m | 2023-03-20T03:20:12.99 |
IV.TERO.HHN. | ML:0.6 | 0.00002215 | 0.2 | AML | other | m | 2023-03-20T03:20:14.96 |
IV.TERO.HHE. | ML:0.6 | 0.00001975 | 1.06 | AML | other | m | 2023-03-20T03:20:16.70 |