A magnitude ML 0.3 earthquake occured in region: 9 km NW Arquata del Tronto (AP), on
and geographic coordinates (lat, lon) 42.8160, 13.2070 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 | 9 | 1178 | 1178 |
Norcia | PG | 10 | 4957 | 6135 |
Castelsantangelo sul Nera | MC | 10 | 281 | 6416 |
Montegallo | AP | 11 | 523 | 6939 |
Montemonaco | AP | 14 | 604 | 7543 |
Accumoli | RI | 14 | 667 | 8210 |
Ussita | MC | 15 | 444 | 8654 |
Preci | PG | 15 | 724 | 9378 |
Visso | MC | 16 | 1107 | 10485 |
Acquasanta Terme | AP | 17 | 2916 | 13401 |
Montefortino | FM | 18 | 1178 | 14579 |
Cascia | PG | 19 | 3217 | 17796 |
Bolognola | MC | 20 | 142 | 17938 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.3 | 2023-02-22 08:11:31 |
42.8162 | 13.2068 | 9 | 2023-02-22 08:20:57 |
Sala Sismica INGV-Roma | 114688631 |
Field | Value |
---|---|
Time (UTC) | 2023-02-22 08:11:31 ± 0.26 |
Latitude | 42.8162 ± 0.0117 |
Longitude | 13.2068 ± 0.0098 |
Depth (km) | 9 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 114688631 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1194 |
Semi-minor axis of confidence ellipse (meter) | 762 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 332 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1190.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 237 |
Number of associated phases, regardless of their use for origin computation | 16 |
Number of defining phases | 9 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.17 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.12141 |
Number of stations at which the event was observed | 12 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 0.3 |
Uncertainty | 0.1 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 114688631 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-02-22 08:20:57 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.SELL.HHZ. | 2023-02-22T08:12:54.54 | 3.0 | positive | manual | Pg | 15.71 | 0 | |||
IV.BOB.HHZ. | 2023-02-22T08:12:48.47 | 3.0 | undecidable | manual | Sg | 2.27 | 0 | |||
IV.SPS2.HHZ. | 2023-02-22T08:12:45.74 | 3.0 | positive | manual | Pg | 12.14 | 0 | |||
CR.STON.BHZ. | 2023-02-22T08:12:20.24 | 3.0 | undecidable | manual | Pn | -2.64 | 0 | |||
RD.PGF.BHZ. | 2023-02-22T08:12:03.26 | 3.0 | positive | manual | Pn | -1.95 | 0 | |||
IV.TOLF.HHZ. | 2023-02-22T08:11:39.71 | 3.0 | undecidable | manual | P | -1.23 | 0 | |||
IV.MC2.EHZ. | 2023-02-22T08:11:36.33 | 0.3 | undecidable | manual | S | 352 | 10.6782 | 131 | -0.11 | 73 |
IV.MPAG.EHZ. | 2023-02-22T08:11:36.35 | 3.0 | positive | manual | P | -2.6 | 0 | |||
7F.SIB1.EHE. | 2023-02-22T08:11:36.59 | 0.6 | undecidable | manual | S | 31 | 10.0788 | 132 | 0.29 | 47 |
7F.SIB3.EHE. | 2023-02-22T08:11:35.76 | 0.6 | undecidable | manual | S | 38 | 8.2806 | 138 | -0.1 | 49 |
IV.NRCA.HHZ. | 2023-02-22T08:11:35.74 | 0.3 | undecidable | manual | S | 284 | 7.7811 | 140 | 0 | 75 |
IV.MMO1.EHZ. | 2023-02-22T08:11:34.55 | 1.0 | undecidable | manual | P | 47 | 13.4754 | 125 | -0.26 | 24 |
7F.SIB1.EHE. | 2023-02-22T08:11:34.52 | 0.3 | undecidable | manual | P | 31 | 10.0788 | 132 | 0.23 | 72 |
IV.NRCA.HHZ. | 2023-02-22T08:11:34.00 | 0.1 | undecidable | manual | P | 284 | 7.7811 | 140 | 0.04 | 100 |
IV.MC2.EHZ. | 2023-02-22T08:11:34.39 | 0.3 | undecidable | manual | P | 352 | 10.6782 | 131 | 0.02 | 75 |
7F.SIB3.EHE. | 2023-02-22T08:11:33.82 | 0.3 | undecidable | manual | P | 38 | 8.2806 | 138 | -0.22 | 72 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:0.2 | 0.0000259 | 0.14 | AML | other | m | 2023-02-22T08:11:35.92 |
IV.NRCA.HHE. | ML:0.4 | 0.00003315 | 1.26 | AML | other | m | 2023-02-22T08:11:36.88 |