A magnitude ML 0.9 earthquake occured in region: 2 km W Montegallo (AP), on
and geographic coordinates (lat, lon) 42.8370, 13.3150 at 18 km depth.
The earthquake was located by: Bollettino Sismico Italiano INGV.
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 |
---|---|---|---|---|
Montegallo | AP | 2 | 523 | 523 |
Montemonaco | AP | 7 | 604 | 1127 |
Arquata del Tronto | AP | 7 | 1178 | 2305 |
Acquasanta Terme | AP | 11 | 2916 | 5221 |
Montefortino | FM | 12 | 1178 | 6399 |
Roccafluvione | AP | 13 | 2010 | 8409 |
Palmiano | AP | 14 | 196 | 8605 |
Castelsantangelo sul Nera | MC | 15 | 281 | 8886 |
Venarotta | AP | 15 | 2066 | 10952 |
Comunanza | AP | 16 | 3166 | 14118 |
Amandola | FM | 16 | 3629 | 17747 |
Accumoli | RI | 17 | 667 | 18414 |
Norcia | PG | 19 | 4957 | 23371 |
Valle Castellana | TE | 19 | 977 | 24348 |
Ussita | MC | 19 | 444 | 24792 |
Bolognola | MC | 19 | 142 | 24934 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 0.9 | 2023-04-18 19:18:33 |
42.8373 | 13.3153 | 18 | 2024-03-01 17:18:20 |
Bollettino Sismico Italiano INGV | 125171531 |
Reviewed Rev100 |
ML 0.8 | 2023-04-18 19:18:33 |
42.8358 | 13.3122 | 19 | 2023-04-18 19:23:28 |
Sala Sismica INGV-Roma | 116496751 |
Field | Value |
---|---|
Time (UTC) | 2023-04-18 19:18:33 ± 0.09 |
Latitude | 42.8373 ± 0.0027 |
Longitude | 13.3153 ± 0.0049 |
Depth (km) | 18 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 125171531 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 378 |
Semi-minor axis of confidence ellipse (meter) | 90 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 250 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 380.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 100 |
Number of associated phases, regardless of their use for origin computation | 34 |
Number of defining phases | 34 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.16 |
Epicentral distance of station closest to the epicenter (degree) | 0.05036 |
Epicentral distance of station farthest from the epicenter (degree) | 0.37322 |
Number of stations at which the event was observed | 17 |
Number of stations from which data was used for origin computation | 17 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.3 |
Num. used stations | 9 |
Type of magnitude | ML |
Reference to an origin | 125171531 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2024-02-09 16:39:37 |
Field | Value |
---|---|
Value | 0.8 |
Uncertainty | 0.3 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 116496751 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-04-18 19:23:28 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MML1.HNE. | 2023-04-18T19:18:47.09 | 0.6 | undecidable | manual | S | 318 | 41.4252 | 103 | -0.03 | 47 |
IV.RM33.HNE. | 2023-04-18T19:18:46.36 | 0.6 | undecidable | manual | S | 193 | 37.3293 | 104 | 0.29 | 45 |
IV.CESI.HHE. | 2023-04-18T19:18:46.66 | 0.6 | undecidable | manual | S | 299 | 38.2284 | 104 | 0.37 | 44 |
IV.LNSS.HNZ. | 2023-04-18T19:18:45.71 | 0.6 | undecidable | manual | S | 221 | 34.3434 | 106 | 0.42 | 44 |
IV.PF6.EHN. | 2023-04-18T19:18:45.35 | 0.6 | undecidable | manual | S | 344 | 34.743 | 106 | -0.05 | 47 |
IV.TERO.HHZ. | 2023-04-18T19:18:45.03 | 0.6 | undecidable | manual | S | 135 | 33.4443 | 107 | -0.04 | 48 |
IV.CSP1.EHZ. | 2023-04-18T19:18:44.12 | 0.6 | undecidable | manual | S | 342 | 29.6481 | 110 | 0.02 | 48 |
IV.GUMA.HHZ. | 2023-04-18T19:18:43.39 | 0.6 | undecidable | manual | S | 4 | 25.0527 | 114 | 0.43 | 45 |
IV.FDMO.HHZ. | 2023-04-18T19:18:43.78 | 0.6 | undecidable | manual | S | 320 | 28.8489 | 110 | -0.11 | 47 |
IV.MF5.EHZ. | 2023-04-18T19:18:42.33 | 0.6 | undecidable | manual | S | 35 | 20.3685 | 121 | 0.47 | 45 |
IV.SMA1.EHZ. | 2023-04-18T19:18:42.29 | 0.6 | undecidable | manual | S | 176 | 22.9548 | 117 | -0.18 | 48 |
IV.NRCA.HHZ. | 2023-04-18T19:18:41.01 | 0.6 | undecidable | manual | S | 269 | 16.3725 | 129 | 0.03 | 49 |
IV.MML1.HNE. | 2023-04-18T19:18:41.19 | 0.1 | undecidable | manual | P | 318 | 41.4252 | 103 | -0.15 | 92 |
IV.RM33.HNE. | 2023-04-18T19:18:40.70 | 0.1 | undecidable | manual | P | 193 | 37.3293 | 104 | -0.02 | 95 |
IV.CESI.HHE. | 2023-04-18T19:18:40.97 | 0.1 | undecidable | manual | P | 299 | 38.2284 | 104 | 0.12 | 94 |
IV.TERO.HHZ. | 2023-04-18T19:18:40.02 | 0.1 | undecidable | manual | P | 135 | 33.4443 | 107 | -0.12 | 94 |
IV.LNSS.HNZ. | 2023-04-18T19:18:40.33 | 0.1 | undecidable | manual | P | 221 | 34.3434 | 106 | 0.05 | 95 |
IV.PF6.EHN. | 2023-04-18T19:18:40.09 | 0.1 | undecidable | manual | P | 344 | 34.743 | 106 | -0.24 | 91 |
IV.CSP1.EHZ. | 2023-04-18T19:18:39.43 | 0.1 | undecidable | manual | P | 342 | 29.6481 | 110 | -0.15 | 93 |
IV.MTRA.EHZ. | 2023-04-18T19:18:39.90 | 0.6 | undecidable | manual | S | 143 | 11.0778 | 142 | -0.09 | 50 |
IV.MMO1.EHZ. | 2023-04-18T19:18:39.28 | 0.6 | undecidable | manual | S | 8 | 6.993 | 155 | -0.11 | 50 |
IV.GUMA.HHZ. | 2023-04-18T19:18:39.18 | 0.1 | undecidable | manual | P | 4 | 25.0527 | 114 | 0.25 | 93 |
7F.SIB1.EHZ. | 2023-04-18T19:18:39.50 | 0.6 | undecidable | manual | S | 330 | 7.3815 | 153 | 0.06 | 50 |
IV.FDMO.HHZ. | 2023-04-18T19:18:39.25 | 0.1 | undecidable | manual | P | 320 | 28.8489 | 110 | -0.22 | 92 |
7F.SIB3.EHZ. | 2023-04-18T19:18:39.12 | 0.6 | undecidable | manual | S | 319 | 5.5944 | 159 | -0.13 | 50 |
IV.MF5.EHZ. | 2023-04-18T19:18:38.58 | 0.1 | undecidable | manual | P | 35 | 20.3685 | 121 | 0.28 | 93 |
IV.SMA1.EHZ. | 2023-04-18T19:18:38.62 | 0.3 | positive | manual | P | 176 | 22.9548 | 117 | -0.03 | 73 |
7F.SIB2.EHZ. | 2023-04-18T19:18:38.94 | 0.6 | undecidable | manual | S | 351 | 5.994 | 158 | -0.36 | 47 |
7F.SIB1.EHZ. | 2023-04-18T19:18:37.00 | 0.1 | undecidable | manual | P | 330 | 7.3815 | 153 | 0.1 | 99 |
IV.MTRA.EHZ. | 2023-04-18T19:18:37.18 | 0.1 | undecidable | manual | P | 143 | 11.0778 | 142 | -0.03 | 100 |
IV.NRCA.HHZ. | 2023-04-18T19:18:37.76 | 0.1 | negative | manual | P | 269 | 16.3725 | 129 | -0.02 | 99 |
7F.SIB3.EHZ. | 2023-04-18T19:18:36.72 | 0.1 | undecidable | manual | P | 319 | 5.5944 | 159 | -0.07 | 100 |
IV.MMO1.EHZ. | 2023-04-18T19:18:36.83 | 0.1 | undecidable | manual | P | 8 | 6.993 | 155 | -0.04 | 100 |
7F.SIB2.EHZ. | 2023-04-18T19:18:36.69 | 0.1 | undecidable | manual | P | 351 | 5.994 | 158 | -0.12 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MMO1.EHN. | ML:1.2 | 0.00013800000000000002 | 0.24 | AML | other | m | 2023-04-18T19:18:39.47 |
IV.MMO1.EHE. | ML:0.7 | 0.000049850000000000006 | 0.26 | AML | other | m | 2023-04-18T19:18:40.13 |
IV.NRCA.HHE. | ML:1.0 | 0.00006620000000000001 | 1.16 | AML | other | m | 2023-04-18T19:18:41.66 |
IV.NRCA.HHN. | ML:1.3 | 0.0001485 | 0.08 | AML | other | m | 2023-04-18T19:18:41.15 |
IV.SMA1.EHE. | ML:0.7 | 0.000025221975000000002 | 0.128 | AML | other | m | 2023-04-18T19:18:43.05 |
IV.SMA1.EHN. | ML:0.8 | 0.00002950447 | 0.1408 | AML | other | m | 2023-04-18T19:18:42.64 |
IV.GUMA.HHN. | ML:0.9 | 0.00003957104 | 0.2432 | AML | other | m | 2023-04-18T19:18:46.23 |
IV.GUMA.HHE. | ML:1.0 | 0.000055940205 | 1.0368 | AML | other | m | 2023-04-18T19:18:46.76 |
IV.FDMO.HHE. | ML:0.4 | 0.00001054395 | 0.192 | AML | other | m | 2023-04-18T19:18:43.88 |