A magnitude ML 1.0 earthquake occured in region: 3 km W Accumoli (RI), on
and geographic coordinates (lat, lon) 42.6830, 13.2110 at 14 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 |
---|---|---|---|---|
Accumoli | RI | 3 | 667 | 667 |
Cittareale | RI | 8 | 482 | 1149 |
Amatrice | RI | 9 | 2657 | 3806 |
Arquata del Tronto | AP | 12 | 1178 | 4984 |
Norcia | PG | 16 | 4957 | 9941 |
Cascia | PG | 17 | 3217 | 13158 |
Montereale | AQ | 18 | 2581 | 15739 |
Acquasanta Terme | AP | 19 | 2916 | 18655 |
Campotosto | AQ | 19 | 542 | 19197 |
Capitignano | AQ | 20 | 665 | 19862 |
Borbona | RI | 20 | 617 | 20479 |
Posta | RI | 20 | 694 | 21173 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.0 | 2023-05-09 16:56:55 |
42.6833 | 13.2113 | 14 | 2023-05-09 17:11:27 |
Sala Sismica INGV-Roma | 117192101 |
Field | Value |
---|---|
Time (UTC) | 2023-05-09 16:56:55 ± 0.1 |
Latitude | 42.6833 ± 0.0027 |
Longitude | 13.2113 ± 0.0049 |
Depth (km) | 14 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 117192101 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 420 |
Semi-minor axis of confidence ellipse (meter) | 55 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 77 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 420.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 127 |
Number of associated phases, regardless of their use for origin computation | 10 |
Number of defining phases | 10 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.13 |
Epicentral distance of station closest to the epicenter (degree) | 0.10522 |
Epicentral distance of station farthest from the epicenter (degree) | 0.29498 |
Number of stations at which the event was observed | 5 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 117192101 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-05-09 17:11:27 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.TERO.HHZ. | 2023-05-09T16:57:06.62 | 0.3 | undecidable | manual | S | 102 | 32.745 | 97 | -0.2 | 71 |
IV.RM33.EHZ. | 2023-05-09T16:57:03.20 | 0.1 | undecidable | manual | S | 179 | 19.3695 | 109 | -0.13 | 97 |
IV.LNSS.HHZ. | 2023-05-09T16:57:02.56 | 0.3 | undecidable | manual | S | 237 | 16.5723 | 114 | -0.08 | 74 |
IV.TERO.HHZ. | 2023-05-09T16:57:02.11 | 0.1 | undecidable | manual | P | 102 | 32.745 | 97 | 0.04 | 97 |
IV.NRCA.HHZ. | 2023-05-09T16:57:02.99 | 0.1 | undecidable | manual | S | 335 | 18.4704 | 110 | -0.11 | 98 |
IV.SMA1.EHZ. | 2023-05-09T16:57:01.59 | 0.1 | undecidable | manual | S | 120 | 11.6772 | 128 | 0.07 | 100 |
IV.RM33.EHZ. | 2023-05-09T16:57:00.10 | 0.1 | undecidable | manual | P | 179 | 19.3695 | 109 | 0.05 | 100 |
IV.NRCA.HHZ. | 2023-05-09T16:57:00.04 | 0.1 | negative | manual | P | 335 | 18.4704 | 110 | 0.11 | 99 |
IV.SMA1.EHZ. | 2023-05-09T16:56:59.20 | 0.6 | negative | manual | P | 120 | 11.6772 | 128 | 0.19 | 49 |
IV.LNSS.HHZ. | 2023-05-09T16:56:59.76 | 0.1 | undecidable | manual | P | 237 | 16.5723 | 114 | 0.1 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.SMA1.EHN. | ML:0.8 | 0.00006035 | 1.62 | AML | other | m | 2023-05-09T16:57:01.01 |
IV.SMA1.EHE. | ML:1.0 | 0.0000902 | 1.86 | AML | other | m | 2023-05-09T16:57:02.95 |
IV.NRCA.HHE. | ML:1.2 | 0.000127 | 0.14 | AML | other | m | 2023-05-09T16:57:03.31 |
IV.NRCA.HHN. | ML:1.1 | 0.0000838 | 0.12 | AML | other | m | 2023-05-09T16:57:03.24 |
IV.RM33.EHN. | ML:1.0 | 0.000072 | 0.26 | AML | other | m | 2023-05-09T16:57:03.39 |
IV.RM33.EHE. | ML:0.8 | 0.00004405 | 0.7 | AML | other | m | 2023-05-09T16:57:03.94 |