A magnitude ML 1.8 earthquake occured in region: 4 km NW Acquasanta Terme (AP), on
and geographic coordinates (lat, lon) 42.7970, 13.3810 at 20 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 |
---|---|---|---|---|
Acquasanta Terme | AP | 4 | 2916 | 2916 |
Montegallo | AP | 6 | 523 | 3439 |
Arquata del Tronto | AP | 7 | 1178 | 4617 |
Roccafluvione | AP | 11 | 2010 | 6627 |
Valle Castellana | TE | 12 | 977 | 7604 |
Montemonaco | AP | 12 | 604 | 8208 |
Palmiano | AP | 13 | 196 | 8404 |
Venarotta | AP | 13 | 2066 | 10470 |
Accumoli | RI | 16 | 667 | 11137 |
Montefortino | FM | 17 | 1178 | 12315 |
Rocca Santa Maria | TE | 17 | 537 | 12852 |
Ascoli Piceno | AP | 17 | 49407 | 62259 |
Comunanza | AP | 18 | 3166 | 65425 |
Amatrice | RI | 20 | 2657 | 68082 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.8 | 2023-11-23 19:04:36 |
42.7968 | 13.381 | 20 | 2023-11-23 19:11:55 |
Sala Sismica INGV-Roma | 123372171 |
Field | Value |
---|---|
Time (UTC) | 2023-11-23 19:04:36 ± 0.09 |
Latitude | 42.7968 ± 0.0027 |
Longitude | 13.3810 ± 0.0049 |
Depth (km) | 20 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 123372171 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 450 |
Semi-minor axis of confidence ellipse (meter) | 40 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 86 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 450.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 79 |
Number of associated phases, regardless of their use for origin computation | 33 |
Number of defining phases | 32 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.19 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.43527 |
Number of stations at which the event was observed | 17 |
Number of stations from which data was used for origin computation | 16 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.2 |
Num. used stations | 18 |
Type of magnitude | ML |
Reference to an origin | 123372171 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-11-23 19:11:55 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ARVD.HHZ. | 2023-11-23T19:05:02.06 | 3.0 | undecidable | manual | S | -0.18 | 0 | |||
IV.MML1.EHZ. | 2023-11-23T19:04:52.79 | 0.6 | undecidable | manual | S | 317 | 48.3183 | 104 | 0.18 | 46 |
IV.CESI.HHZ. | 2023-11-23T19:04:52.17 | 0.6 | undecidable | manual | S | 301 | 45.0216 | 105 | 0.41 | 44 |
IV.GIGS.HHZ. | 2023-11-23T19:04:50.61 | 0.6 | undecidable | manual | S | 158 | 41.2254 | 107 | -0.16 | 47 |
IV.CSP1.EHZ. | 2023-11-23T19:04:49.51 | 0.6 | undecidable | manual | S | 336 | 35.742 | 110 | 0.13 | 47 |
IV.LNSS.HHZ. | 2023-11-23T19:04:49.83 | 0.6 | undecidable | manual | S | 232 | 35.1426 | 111 | 0.6 | 43 |
IV.FDMO.HHZ. | 2023-11-23T19:04:49.32 | 0.6 | undecidable | manual | S | 318 | 35.742 | 110 | -0.06 | 48 |
IV.RM33.EHZ. | 2023-11-23T19:04:49.55 | 0.6 | undecidable | manual | S | 203 | 34.743 | 111 | 0.43 | 45 |
IV.OFFI.HHZ. | 2023-11-23T19:04:48.12 | 0.3 | undecidable | manual | S | 58 | 29.1486 | 116 | 0.36 | 68 |
IV.GUMA.HHZ. | 2023-11-23T19:04:48.36 | 0.6 | undecidable | manual | S | 353 | 29.748 | 115 | 0.46 | 45 |
IV.TERO.HHZ. | 2023-11-23T19:04:47.09 | 0.6 | undecidable | manual | S | 137 | 26.5512 | 118 | -0.04 | 49 |
IV.CAMP.HHZ. | 2023-11-23T19:04:47.78 | 0.6 | undecidable | manual | S | 175 | 29.0487 | 116 | 0.05 | 49 |
IV.MF5.EHZ. | 2023-11-23T19:04:46.45 | 0.6 | undecidable | manual | S | 17 | 22.1556 | 124 | 0.32 | 47 |
IV.NRCA.HHZ. | 2023-11-23T19:04:46.21 | 0.6 | undecidable | manual | S | 281 | 22.0668 | 124 | 0.09 | 50 |
IV.CESI.HHZ. | 2023-11-23T19:04:45.45 | 1.0 | undecidable | manual | P | 301 | 45.0216 | 105 | -0.05 | 24 |
IV.SMA1.EHZ. | 2023-11-23T19:04:45.59 | 0.6 | undecidable | manual | S | 191 | 18.87 | 130 | 0.17 | 49 |
IV.MML1.EHZ. | 2023-11-23T19:04:45.75 | 0.1 | undecidable | manual | P | 317 | 48.3183 | 104 | -0.24 | 91 |
IV.GIGS.HHZ. | 2023-11-23T19:04:44.61 | 1.0 | undecidable | manual | P | 158 | 41.2254 | 107 | -0.32 | 23 |
IV.LNSS.HHZ. | 2023-11-23T19:04:44.03 | 0.1 | undecidable | manual | P | 232 | 35.1426 | 111 | -0.01 | 97 |
IV.CAMP.HHZ. | 2023-11-23T19:04:43.10 | 1.0 | undecidable | manual | P | 175 | 29.0487 | 116 | -0.08 | 24 |
IV.FDMO.HHZ. | 2023-11-23T19:04:43.82 | 0.6 | negative | manual | P | 318 | 35.742 | 110 | -0.31 | 46 |
IV.MMO1.EHZ. | 2023-11-23T19:04:43.96 | 0.6 | undecidable | manual | S | 339 | 12.1767 | 144 | -0.24 | 48 |
IV.GUMA.HHZ. | 2023-11-23T19:04:43.21 | 0.1 | negative | manual | P | 353 | 29.748 | 115 | -0.06 | 98 |
IV.RM33.EHZ. | 2023-11-23T19:04:43.96 | 1.0 | undecidable | manual | P | 203 | 34.743 | 111 | -0.02 | 24 |
IV.CSP1.EHZ. | 2023-11-23T19:04:43.80 | 0.1 | undecidable | manual | P | 336 | 35.742 | 110 | -0.33 | 91 |
IV.OFFI.HHZ. | 2023-11-23T19:04:43.50 | 0.3 | positive | manual | P | 58 | 29.1486 | 116 | 0.31 | 69 |
IV.MTRA.HNZ. | 2023-11-23T19:04:43.22 | 0.6 | undecidable | manual | S | 164 | 4.5954 | 165 | -0.1 | 50 |
IV.NRCA.HHZ. | 2023-11-23T19:04:42.13 | 0.1 | positive | manual | P | 281 | 22.0668 | 124 | -0.11 | 97 |
IV.TERO.HHZ. | 2023-11-23T19:04:42.54 | 0.6 | undecidable | manual | P | 137 | 26.5512 | 118 | -0.29 | 47 |
IV.MF5.EHZ. | 2023-11-23T19:04:42.16 | 0.1 | undecidable | manual | P | 17 | 22.1556 | 124 | -0.1 | 98 |
IV.SMA1.EHZ. | 2023-11-23T19:04:41.84 | 0.1 | undecidable | manual | P | 191 | 18.87 | 130 | 0 | 100 |
IV.MTRA.HNZ. | 2023-11-23T19:04:40.50 | 0.1 | undecidable | manual | P | 164 | 4.5954 | 165 | -0.13 | 100 |
IV.MMO1.EHZ. | 2023-11-23T19:04:40.95 | 0.3 | undecidable | manual | P | 339 | 12.1767 | 144 | -0.19 | 73 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MTRA.EHE. | ML:1.7 | 0.00040800000000000005 | 0.48 | AML | other | m | 2023-11-23T19:04:43.29 |
IV.MTRA.HNE. | ML:1.7 | 0.00042249999999999997 | 0.48 | AML | other | m | 2023-11-23T19:04:43.29 |
IV.MTRA.HNN. | ML:1.8 | 0.0004595 | 1.02 | AML | other | m | 2023-11-23T19:04:43.40 |
IV.MTRA.EHN. | ML:1.5 | 0.00025550000000000003 | 0.08 | AML | other | m | 2023-11-23T19:04:43.51 |
IV.MMO1.EHN. | ML:1.8 | 0.0004505 | 0.18 | AML | other | m | 2023-11-23T19:04:44.20 |
IV.MMO1.EHE. | ML:1.5 | 0.00024249999999999999 | 0.64 | AML | other | m | 2023-11-23T19:04:45.89 |
IV.SMA1.EHE. | ML:1.9 | 0.0004885 | 0.08 | AML | other | m | 2023-11-23T19:04:45.71 |
IV.SMA1.EHN. | ML:2.0 | 0.0005635 | 0.1 | AML | other | m | 2023-11-23T19:04:45.71 |
IV.NRCA.HHE. | ML:1.9 | 0.000446 | 0.64 | AML | other | m | 2023-11-23T19:04:46.37 |
IV.NRCA.HHN. | ML:1.8 | 0.0003305 | 0.1 | AML | other | m | 2023-11-23T19:04:46.42 |
IV.GUMA.HHN. | ML:2.0 | 0.000379 | 0.42 | AML | other | m | 2023-11-23T19:04:48.53 |
IV.GUMA.HHE. | ML:1.9 | 0.00031 | 0.24 | AML | other | m | 2023-11-23T19:04:48.70 |
IV.RM33.EHN. | ML:1.5 | 0.000123 | 0.2 | AML | other | m | 2023-11-23T19:04:49.69 |
IV.LNSS.HHN. | ML:1.8 | 0.0001995 | 1.62 | AML | other | m | 2023-11-23T19:04:50.16 |
IV.RM33.EHE. | ML:1.7 | 0.00016499999999999997 | 0.86 | AML | other | m | 2023-11-23T19:04:50.45 |
IV.CSP1.EHN. | ML:1.7 | 0.0001885 | 0.84 | AML | other | m | 2023-11-23T19:04:50.88 |
IV.CSP1.EHE. | ML:2.0 | 0.0003095 | 0.58 | AML | other | m | 2023-11-23T19:04:50.57 |
IV.LNSS.HHE. | ML:1.8 | 0.00020999999999999998 | 1.16 | AML | other | m | 2023-11-23T19:04:50.01 |