A magnitude ML 0.5 earthquake occured in region: 8 km NW Arquata del Tronto (AP), on
and geographic coordinates (lat, lon) 42.8100, 13.2180 at 12 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 |
Montegallo | AP | 10 | 523 | 1701 |
Norcia | PG | 10 | 4957 | 6658 |
Castelsantangelo sul Nera | MC | 11 | 281 | 6939 |
Accumoli | RI | 13 | 667 | 7606 |
Montemonaco | AP | 14 | 604 | 8210 |
Ussita | MC | 16 | 444 | 8654 |
Acquasanta Terme | AP | 16 | 2916 | 11570 |
Preci | PG | 17 | 724 | 12294 |
Visso | MC | 17 | 1107 | 13401 |
Montefortino | FM | 18 | 1178 | 14579 |
Cascia | PG | 20 | 3217 | 17796 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.5 | 2023-05-01 07:34:04 |
42.81 | 13.2178 | 12 | 2023-05-01 07:52:21 |
Sala Sismica INGV-Roma | 116926481 |
Field | Value |
---|---|
Time (UTC) | 2023-05-01 07:34:04 ± 0.08 |
Latitude | 42.8100 ± 0.0036 |
Longitude | 13.2178 ± 0.0061 |
Depth (km) | 12 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 116926481 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 468 |
Semi-minor axis of confidence ellipse (meter) | 213 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 276 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 470.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 78 |
Number of associated phases, regardless of their use for origin computation | 23 |
Number of defining phases | 22 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.23 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.33994 |
Number of stations at which the event was observed | 12 |
Number of stations from which data was used for origin computation | 11 |
Field | Value |
---|---|
Value | 0.5 |
Uncertainty | 0.2 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 116926481 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-05-01 07:52:21 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.PP3.EHZ. | 2023-05-01T07:34:26.10 | 3.0 | undecidable | manual | S | -0.11 | 0 | |||
IV.CESI.HHZ. | 2023-05-01T07:34:16.22 | 0.3 | undecidable | manual | S | 310 | 33.4443 | 94 | 0.23 | 69 |
IV.RM33.EHE. | 2023-05-01T07:34:16.12 | 0.3 | undecidable | manual | S | 180 | 33.4443 | 94 | 0.13 | 71 |
IV.TERO.HHZ. | 2023-05-01T07:34:16.88 | 0.3 | undecidable | manual | S | 123 | 37.7289 | 93 | -0.25 | 68 |
IV.CSP1.EHZ. | 2023-05-01T07:34:15.64 | 0.3 | undecidable | manual | S | 358 | 31.2465 | 94 | 0.22 | 70 |
IV.MF5.EHZ. | 2023-05-01T07:34:15.39 | 0.3 | undecidable | manual | S | 45 | 27.8499 | 95 | 0.88 | 58 |
IV.FDMO.HHZ. | 2023-05-01T07:34:14.20 | 0.3 | undecidable | manual | S | 337 | 27.2505 | 95 | -0.16 | 72 |
IV.LNSS.HHZ. | 2023-05-01T07:34:14.33 | 0.6 | undecidable | manual | S | 212 | 27.1506 | 95 | 0 | 49 |
IV.RM33.EHE. | 2023-05-01T07:34:11.20 | 0.3 | undecidable | manual | P | 180 | 33.4443 | 94 | 0.02 | 73 |
IV.TERO.HHZ. | 2023-05-01T07:34:11.72 | 0.3 | undecidable | manual | P | 123 | 37.7289 | 93 | -0.12 | 70 |
IV.FDMO.HHZ. | 2023-05-01T07:34:10.07 | 0.1 | undecidable | manual | P | 337 | 27.2505 | 95 | -0.17 | 95 |
IV.MMO1.EHZ. | 2023-05-01T07:34:10.77 | 0.3 | undecidable | manual | S | 42 | 13.2756 | 116 | 0.05 | 75 |
IV.LNSS.HHZ. | 2023-05-01T07:34:10.24 | 0.3 | undecidable | manual | P | 212 | 27.1506 | 95 | 0.02 | 73 |
IV.CESI.HHZ. | 2023-05-01T07:34:10.92 | 0.3 | undecidable | manual | P | 310 | 33.4443 | 94 | -0.26 | 69 |
IV.CSP1.EHZ. | 2023-05-01T07:34:10.40 | 0.1 | undecidable | manual | P | 358 | 31.2465 | 94 | -0.45 | 89 |
7F.SIB2.EHZ. | 2023-05-01T07:34:10.18 | 0.3 | undecidable | manual | S | 38 | 11.3775 | 123 | -0.1 | 74 |
IV.MF5.EHZ. | 2023-05-01T07:34:10.06 | 0.6 | undecidable | manual | P | 45 | 27.8499 | 95 | -0.26 | 46 |
IV.NRCA.HHZ. | 2023-05-01T07:34:09.70 | 0.3 | undecidable | manual | S | 287 | 8.7801 | 133 | -0.04 | 76 |
7F.SIB3.EHZ. | 2023-05-01T07:34:09.55 | 0.3 | undecidable | manual | S | 30 | 8.3805 | 135 | -0.1 | 75 |
IV.MMO1.EHZ. | 2023-05-01T07:34:08.27 | 0.1 | undecidable | manual | P | 42 | 13.2756 | 116 | 0.13 | 98 |
7F.SIB2.EHZ. | 2023-05-01T07:34:07.95 | 0.1 | undecidable | manual | P | 38 | 11.3775 | 123 | 0.07 | 100 |
IV.NRCA.HHZ. | 2023-05-01T07:34:07.72 | 0.1 | undecidable | manual | P | 287 | 8.7801 | 133 | 0.15 | 98 |
7F.SIB3.EHZ. | 2023-05-01T07:34:07.61 | 0.1 | undecidable | manual | P | 30 | 8.3805 | 135 | 0.09 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MMO1.EHE. | ML:1.0 | 0.00009763350000000001 | 0.1024 | AML | other | m | 2023-05-01T07:34:10.86 |
IV.MMO1.EHN. | ML:0.7 | 0.00004862493 | 0.0832 | AML | other | m | 2023-05-01T07:34:11.42 |
IV.FDMO.HHN. | ML:0.3 | 0.000012398101000000002 | 0.16 | AML | other | m | 2023-05-01T07:34:15.06 |
IV.FDMO.HHE. | ML:0.3 | 0.000012025 | 0.42 | AML | other | m | 2023-05-01T07:34:25.43 |
IV.CESI.HHE. | ML:0.4 | 0.0000103299315 | 0.1216 | AML | other | m | 2023-05-01T07:34:16.42 |
IV.CESI.HHN. | ML:0.7 | 0.0000201729575 | 0.096 | AML | other | m | 2023-05-01T07:34:16.61 |
IV.TERO.HHE. | ML:0.4 | 0.000009995597 | 0.0832 | AML | other | m | 2023-05-01T07:34:17.68 |
IV.TERO.HHN. | ML:0.6 | 0.00001286388 | 0.1216 | AML | other | m | 2023-05-01T07:34:17.41 |