A magnitude ML 0.9 earthquake occured in region: 4 km SW Arquata del Tronto (AP), on
and geographic coordinates (lat, lon) 42.7410, 13.2730 at 13 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 | 4 | 1178 | 1178 |
Accumoli | RI | 5 | 667 | 1845 |
Acquasanta Terme | AP | 12 | 2916 | 4761 |
Amatrice | RI | 12 | 2657 | 7418 |
Montegallo | AP | 12 | 523 | 7941 |
Norcia | PG | 16 | 4957 | 12898 |
Cittareale | RI | 16 | 482 | 13380 |
Montemonaco | AP | 18 | 604 | 13984 |
Valle Castellana | TE | 19 | 977 | 14961 |
Castelsantangelo sul Nera | MC | 20 | 281 | 15242 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2022-05-18 14:30:21 |
42.7407 | 13.2727 | 13 | 2022-05-18 14:41:01 |
Sala Sismica INGV-Roma | 104819561 |
Field | Value |
---|---|
Time (UTC) | 2022-05-18 14:30:21 ± 0.1 |
Latitude | 42.7407 ± 0.0027 |
Longitude | 13.2727 ± 0.0073 |
Depth (km) | 13 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 104819561 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 550 |
Semi-minor axis of confidence ellipse (meter) | 58 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 279 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 550.0 |
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 | 20 |
Number of defining phases | 20 |
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) | 0.09263 |
Epicentral distance of station farthest from the epicenter (degree) | 0.23562 |
Number of stations at which the event was observed | 10 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.1 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 104819561 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2022-05-18 14:41:01 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.RM33.EHZ. | 2022-05-18T14:30:30.78 | 0.6 | undecidable | manual | S | 190 | 26.1516 | 97 | 0.01 | 49 |
IV.LNSS.HHE. | 2022-05-18T14:30:30.42 | 0.6 | undecidable | manual | S | 231 | 24.3534 | 98 | 0.12 | 48 |
IV.MC2.EHZ. | 2022-05-18T14:30:29.47 | 0.3 | undecidable | manual | S | 340 | 20.1687 | 102 | 0.28 | 70 |
7F.SIB1.EHE. | 2022-05-18T14:30:28.33 | 0.6 | undecidable | manual | S | 359 | 17.0718 | 107 | -0.08 | 49 |
IV.MMO1.EHZ. | 2022-05-18T14:30:28.68 | 0.6 | undecidable | manual | S | 14 | 18.1707 | 105 | 0 | 50 |
7F.SIB2.EHE. | 2022-05-18T14:30:28.20 | 0.6 | undecidable | manual | S | 9 | 16.872 | 108 | -0.15 | 48 |
7F.SIB3.EHE. | 2022-05-18T14:30:27.61 | 0.6 | undecidable | manual | S | 359 | 14.874 | 113 | -0.25 | 48 |
IV.SMA1.EHZ. | 2022-05-18T14:30:27.37 | 0.6 | undecidable | manual | S | 157 | 13.2756 | 118 | -0.09 | 50 |
IV.NRCA.HNE. | 2022-05-18T14:30:27.94 | 0.6 | undecidable | manual | S | 309 | 16.4724 | 109 | -0.31 | 47 |
IV.MTRA.EHZ. | 2022-05-18T14:30:26.75 | 0.6 | undecidable | manual | S | 80 | 10.2786 | 129 | -0.04 | 50 |
IV.RM33.EHZ. | 2022-05-18T14:30:26.77 | 0.6 | positive | manual | P | 190 | 26.1516 | 97 | 0 | 49 |
IV.LNSS.HHE. | 2022-05-18T14:30:26.18 | 0.1 | undecidable | manual | P | 231 | 24.3534 | 98 | -0.32 | 92 |
IV.MMO1.EHZ. | 2022-05-18T14:30:25.46 | 0.1 | undecidable | manual | P | 14 | 18.1707 | 105 | -0.1 | 97 |
7F.SIB2.EHE. | 2022-05-18T14:30:25.34 | 0.1 | undecidable | manual | P | 9 | 16.872 | 108 | -0.04 | 99 |
IV.MC2.EHZ. | 2022-05-18T14:30:25.77 | 0.1 | undecidable | manual | P | 340 | 20.1687 | 102 | -0.09 | 97 |
7F.SIB3.EHE. | 2022-05-18T14:30:25.11 | 0.1 | undecidable | manual | P | 359 | 14.874 | 113 | 0.02 | 100 |
IV.SMA1.EHZ. | 2022-05-18T14:30:25.01 | 0.6 | positive | manual | P | 157 | 13.2756 | 118 | 0.15 | 49 |
7F.SIB1.EHE. | 2022-05-18T14:30:25.47 | 0.1 | undecidable | manual | P | 359 | 17.0718 | 107 | 0.06 | 99 |
IV.NRCA.HNE. | 2022-05-18T14:30:25.79 | 0.1 | undecidable | manual | P | 309 | 16.4724 | 109 | 0.47 | 91 |
IV.MTRA.EHZ. | 2022-05-18T14:30:24.62 | 0.3 | negative | manual | P | 80 | 10.2786 | 129 | 0.15 | 73 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MTRA.EHN. | ML:0.8 | 0.0000584 | 1.2 | AML | other | m | 2022-05-18T14:30:26.28 |
IV.MTRA.EHE. | ML:1.0 | 0.00010930000000000001 | 1.6 | AML | other | m | 2022-05-18T14:30:27.03 |
IV.SMA1.EHE. | ML:0.7 | 0.0000441 | 0.68 | AML | other | m | 2022-05-18T14:30:28.81 |
IV.MMO1.EHE. | ML:0.9 | 0.00006620000000000001 | 0.44 | AML | other | m | 2022-05-18T14:30:28.83 |
IV.MMO1.EHN. | ML:0.9 | 0.0000642 | 0.18 | AML | other | m | 2022-05-18T14:30:28.76 |
IV.SMA1.EHN. | ML:0.8 | 0.000054800000000000004 | 0.72 | AML | other | m | 2022-05-18T14:30:29.67 |