A magnitude ML 0.4 earthquake occured in region: 4 km W Arquata del Tronto (AP), on
and geographic coordinates (lat, lon) 42.7790, 13.2530 at 12 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 |
---|---|---|---|---|
Arquata del Tronto | AP | 4 | 1178 | 1178 |
Accumoli | RI | 9 | 667 | 1845 |
Montegallo | AP | 10 | 523 | 2368 |
Acquasanta Terme | AP | 13 | 2916 | 5284 |
Norcia | PG | 13 | 4957 | 10241 |
Montemonaco | AP | 15 | 604 | 10845 |
Castelsantangelo sul Nera | MC | 15 | 281 | 11126 |
Amatrice | RI | 17 | 2657 | 13783 |
Cittareale | RI | 19 | 482 | 14265 |
Montefortino | FM | 20 | 1178 | 15443 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 0.4 | 2023-01-02 05:42:32 |
42.7792 | 13.253 | 13 | 2024-03-01 17:18:09 |
Bollettino Sismico Italiano INGV | 117428191 |
Field | Value |
---|---|
Time (UTC) | 2023-01-02 05:42:32 ± 0.11 |
Latitude | 42.7792 ± 0.0036 |
Longitude | 13.2530 ± 0.0061 |
Depth (km) | 13 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 117428191 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 483 |
Semi-minor axis of confidence ellipse (meter) | 348 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 281 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 480.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 134 |
Number of associated phases, regardless of their use for origin computation | 18 |
Number of defining phases | 18 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.17 |
Epicentral distance of station closest to the epicenter (degree) | 0.09623 |
Epicentral distance of station farthest from the epicenter (degree) | 0.52071 |
Number of stations at which the event was observed | 11 |
Number of stations from which data was used for origin computation | 11 |
Field | Value |
---|---|
Value | 0.4 |
Uncertainty | 0.1 |
Num. used stations | 3 |
Type of magnitude | ML |
Reference to an origin | 117428191 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2023-05-17 16:14:05 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.FIAM.HHZ. | 2023-01-02T05:42:43.14 | 0.6 | positive | manual | P | 191 | 57.7977 | 92 | 0.54 | 41 |
IV.MC2.EHZ. | 2023-01-02T05:42:39.23 | 0.6 | undecidable | manual | S | 340 | 15.5733 | 110 | 0.27 | 47 |
IV.SMA1.EHN. | 2023-01-02T05:42:39.37 | 0.6 | undecidable | manual | S | 158 | 17.7711 | 104 | -0.16 | 48 |
IV.RM33.HNE. | 2023-01-02T05:42:38.26 | 0.1 | undecidable | manual | P | 186 | 30.1476 | 95 | -0.08 | 96 |
IV.FDMO.HHZ. | 2023-01-02T05:42:38.20 | 0.3 | undecidable | manual | P | 335 | 31.5462 | 94 | -0.36 | 68 |
IV.NRCA.HHZ. | 2023-01-02T05:42:38.16 | 0.3 | undecidable | manual | S | 298 | 12.7761 | 118 | -0.12 | 73 |
7F.SIB2.EHZ. | 2023-01-02T05:42:38.20 | 0.1 | undecidable | manual | S | 18 | 13.0758 | 117 | -0.15 | 98 |
IV.MMO1.EHZ. | 2023-01-02T05:42:38.65 | 0.1 | undecidable | manual | S | 24 | 14.5743 | 112 | -0.07 | 99 |
7F.SIB1.EHZ. | 2023-01-02T05:42:38.57 | 0.1 | undecidable | manual | S | 6 | 12.876 | 118 | 0.27 | 95 |
7F.SIB3.EHZ. | 2023-01-02T05:42:37.72 | 0.3 | undecidable | manual | S | 7 | 10.6782 | 126 | -0.09 | 74 |
IV.LNSS.HNZ. | 2023-01-02T05:42:37.76 | 0.6 | undecidable | manual | P | 222 | 26.1516 | 96 | 0.03 | 49 |
IV.SMA1.EHN. | 2023-01-02T05:42:36.49 | 1.0 | undecidable | manual | P | 158 | 17.7711 | 104 | 0.03 | 25 |
IV.MC2.EHZ. | 2023-01-02T05:42:36.25 | 1.0 | undecidable | manual | P | 340 | 15.5733 | 110 | 0.12 | 24 |
IV.NRCA.HHZ. | 2023-01-02T05:42:35.73 | 0.1 | undecidable | manual | P | 298 | 12.7761 | 118 | -0.01 | 100 |
7F.SIB2.EHZ. | 2023-01-02T05:42:35.73 | 0.1 | undecidable | manual | P | 18 | 13.0758 | 117 | -0.05 | 100 |
IV.MMO1.EHZ. | 2023-01-02T05:42:35.98 | 0.1 | undecidable | manual | P | 24 | 14.5743 | 112 | -0.01 | 100 |
7F.SIB1.EHZ. | 2023-01-02T05:42:35.89 | 0.1 | undecidable | manual | P | 6 | 12.876 | 118 | 0.14 | 97 |
7F.SIB3.EHZ. | 2023-01-02T05:42:35.50 | 0.1 | undecidable | manual | P | 7 | 10.6782 | 126 | 0.03 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:0.4 | 0.000027249999999999998 | 0.38 | AML | other | m | 2023-01-02T05:42:38.52 |
IV.NRCA.HHE. | ML:0.5 | 0.0000307 | 0.12 | AML | other | m | 2023-01-02T05:42:38.58 |
IV.MMO1.EHE. | ML:0.4 | 0.0000219147945 | 0.08 | AML | other | m | 2023-01-02T05:42:38.80 |