A magnitude ML 1.3 earthquake occured in region: 5 km SW Arquata del Tronto (AP), on
and geographic coordinates (lat, lon) 42.7390, 13.2650 at 13 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 | 5 | 1178 | 1178 |
Accumoli | RI | 5 | 667 | 1845 |
Amatrice | RI | 12 | 2657 | 4502 |
Acquasanta Terme | AP | 12 | 2916 | 7418 |
Montegallo | AP | 13 | 523 | 7941 |
Norcia | PG | 15 | 4957 | 12898 |
Cittareale | RI | 16 | 482 | 13380 |
Montemonaco | AP | 19 | 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 1.3 | 2023-05-15 20:36:47 |
42.7387 | 13.2648 | 13 | 2023-05-15 20:48:10 |
Sala Sismica INGV-Roma | 117391611 |
Field | Value |
---|---|
Time (UTC) | 2023-05-15 20:36:47 ± 0.08 |
Latitude | 42.7387 ± 0.0027 |
Longitude | 13.2648 ± 0.0049 |
Depth (km) | 13 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 117391611 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 304 |
Semi-minor axis of confidence ellipse (meter) | 259 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 65 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 300.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 99 |
Number of associated phases, regardless of their use for origin computation | 12 |
Number of defining phases | 12 |
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) | 0.11961 |
Epicentral distance of station farthest from the epicenter (degree) | 0.27519 |
Number of stations at which the event was observed | 6 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.0 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 117391611 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-05-15 20:48:10 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.TERO.HHZ. | 2023-05-15T20:36:58.23 | 0.1 | undecidable | manual | S | 115 | 30.5472 | 96 | -0.22 | 94 |
IV.RM33.EHZ. | 2023-05-15T20:36:57.31 | 0.1 | undecidable | manual | S | 189 | 25.8519 | 99 | 0.1 | 99 |
IV.LNSS.HHZ. | 2023-05-15T20:36:56.67 | 0.1 | undecidable | manual | S | 231 | 23.754 | 100 | 0.02 | 100 |
IV.MMO1.EHZ. | 2023-05-15T20:36:55.40 | 0.1 | undecidable | manual | S | 16 | 18.5703 | 107 | 0.09 | 99 |
IV.NRCA.HHZ. | 2023-05-15T20:36:54.48 | 0.1 | undecidable | manual | S | 311 | 16.1727 | 112 | -0.23 | 98 |
IV.TERO.HHZ. | 2023-05-15T20:36:54.13 | 1.0 | undecidable | manual | P | 115 | 30.5472 | 96 | 0.18 | 24 |
IV.RM33.EHZ. | 2023-05-15T20:36:53.30 | 1.0 | undecidable | manual | P | 189 | 25.8519 | 99 | 0.06 | 25 |
IV.SMA1.EHZ. | 2023-05-15T20:36:53.99 | 0.1 | undecidable | manual | S | 154 | 13.2756 | 120 | -0.04 | 100 |
IV.MMO1.EHZ. | 2023-05-15T20:36:52.29 | 0.6 | negative | manual | P | 16 | 18.5703 | 107 | 0.15 | 49 |
IV.LNSS.HHZ. | 2023-05-15T20:36:52.99 | 0.6 | negative | manual | P | 231 | 23.754 | 100 | 0.07 | 50 |
IV.SMA1.EHZ. | 2023-05-15T20:36:51.52 | 0.6 | undecidable | manual | P | 154 | 13.2756 | 120 | 0.12 | 50 |
IV.NRCA.HHZ. | 2023-05-15T20:36:51.87 | 0.1 | positive | manual | P | 311 | 16.1727 | 112 | 0.07 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.3 | 0.0001515 | 0.38 | AML | other | m | 2023-05-15T20:36:54.63 |
IV.NRCA.HHE. | ML:1.2 | 0.00013700000000000002 | 0.2 | AML | other | m | 2023-05-15T20:36:54.66 |