A magnitude ML 1.2 earthquake occured in region: 9 km NW Arquata del Tronto (AP), on
and geographic coordinates (lat, lon) 42.8250, 13.2180 at 11 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 | 9 | 1178 | 1178 |
Castelsantangelo sul Nera | MC | 9 | 281 | 1459 |
Montegallo | AP | 10 | 523 | 1982 |
Norcia | PG | 11 | 4957 | 6939 |
Montemonaco | AP | 12 | 604 | 7543 |
Accumoli | RI | 15 | 667 | 8210 |
Ussita | MC | 15 | 444 | 8654 |
Visso | MC | 16 | 1107 | 9761 |
Preci | PG | 16 | 724 | 10485 |
Montefortino | FM | 17 | 1178 | 11663 |
Acquasanta Terme | AP | 17 | 2916 | 14579 |
Bolognola | MC | 19 | 142 | 14721 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.2 | 2021-04-09 14:29:35 |
42.8252 | 13.2182 | 11 | 2021-04-09 14:35:46 |
Sala Sismica INGV-Roma | 88944191 |
Field | Value |
---|---|
Time (UTC) | 2021-04-09 14:29:35 ± 0.04 |
Latitude | 42.8252 ± 0.0036 |
Longitude | 13.2182 ± 0.0037 |
Depth (km) | 11 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 88944191 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 362 |
Semi-minor axis of confidence ellipse (meter) | 308 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 358 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 360.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 82 |
Number of associated phases, regardless of their use for origin computation | 32 |
Number of defining phases | 14 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.13 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.34804 |
Number of stations at which the event was observed | 28 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.3 |
Num. used stations | 30 |
Type of magnitude | ML |
Reference to an origin | 88944191 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-04-09 14:35:46 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CRJA.HHZ. | 2021-04-09T14:30:57.64 | 3.0 | undecidable | manual | Pg | 14.66 | 0 | |||
IV.MTGR.HHZ. | 2021-04-09T14:30:55.10 | 3.0 | undecidable | manual | Pg | 13.77 | 0 | |||
IV.MFNL.HHZ. | 2021-04-09T14:30:44.88 | 3.0 | undecidable | manual | Pn | 1.9 | 0 | |||
IV.ILOS.HNZ. | 2021-04-09T14:30:36.74 | 3.0 | positive | manual | Pn | -3.5 | 0 | |||
IV.SPS2.HHZ. | 2021-04-09T14:30:36.73 | 3.0 | negative | manual | Pn | -0.25 | 0 | |||
IV.JOPP.HHZ. | 2021-04-09T14:30:36.62 | 3.0 | negative | manual | Pn | -5.94 | 0 | |||
IV.RMP.HHZ. | 2021-04-09T14:30:29.61 | 3.0 | undecidable | manual | Sg | 5.04 | 0 | |||
IV.TREM.HHZ. | 2021-04-09T14:30:00.13 | 3.0 | positive | manual | Pn | -1.74 | 0 | |||
IV.LPEL.HHZ. | 2021-04-09T14:29:53.15 | 3.0 | negative | manual | Pn | 0.04 | 0 | |||
IV.RIBO.EHZ.01 | 2021-04-09T14:29:50.22 | 3.0 | undecidable | manual | S | -3.71 | 0 | |||
IV.SMA1.EHZ. | 2021-04-09T14:29:44.06 | 0.6 | undecidable | manual | S | 156 | 23.5542 | 50 | 0.14 | 48 |
IV.RM33.EHZ. | 2021-04-09T14:29:42.14 | 0.1 | undecidable | manual | P | 180 | 35.0427 | 50 | 0.17 | 93 |
IV.TERO.HHZ. | 2021-04-09T14:29:42.40 | 0.1 | undecidable | manual | P | 125 | 38.628 | 50 | -0.12 | 93 |
IV.GAVE.EHZ. | 2021-04-09T14:29:41.18 | 0.1 | undecidable | manual | P | 241 | 30.2475 | 50 | -0.05 | 96 |
IV.MTRA.EHZ. | 2021-04-09T14:29:41.93 | 0.6 | undecidable | manual | S | 118 | 16.3725 | 124 | -0.05 | 49 |
IV.MF5.EHZ. | 2021-04-09T14:29:40.89 | 0.1 | undecidable | manual | P | 47 | 26.6511 | 50 | 0.21 | 93 |
IV.SMA1.EHZ. | 2021-04-09T14:29:40.17 | 0.3 | undecidable | manual | P | 156 | 23.5542 | 50 | -0.04 | 73 |
IV.MMO1.EHZ. | 2021-04-09T14:29:40.77 | 0.6 | undecidable | manual | S | 47 | 12.0768 | 132 | -0.03 | 50 |
IV.CSP1.EHZ. | 2021-04-09T14:29:40.85 | 0.6 | negative | manual | P | 358 | 29.6481 | 50 | -0.28 | 46 |
IV.LNSS.HHZ. | 2021-04-09T14:29:40.85 | 0.1 | undecidable | manual | P | 211 | 28.6491 | 50 | -0.13 | 95 |
IV.MTRA.EHZ. | 2021-04-09T14:29:39.04 | 0.1 | undecidable | manual | P | 118 | 16.3725 | 124 | -0.05 | 98 |
IV.NRCA.HNZ. | 2021-04-09T14:29:39.95 | 0.6 | undecidable | manual | S | 276 | 8.4804 | 142 | 0 | 50 |
IV.NRCA.HNZ. | 2021-04-09T14:29:38.03 | 0.1 | undecidable | manual | P | 276 | 8.4804 | 142 | 0.11 | 98 |
IV.MMO1.EHZ. | 2021-04-09T14:29:38.40 | 0.1 | undecidable | manual | P | 47 | 12.0768 | 132 | -0.01 | 100 |
IV.FDMO.HHZ. | 2021-04-09T14:29:30.76 | 3.0 | negative | manual | Pn | -4.8 | 0 | |||
IV.ARVD.HHZ. | 2021-04-09T14:29:26.55 | 3.0 | positive | manual | Pg | -3.36 | 0 | |||
IV.NDIM.HHZ. | 2021-04-09T14:29:25.87 | 3.0 | undecidable | manual | Sn | 0.31 | 0 | |||
IV.SSP9.EHZ. | 2021-04-09T14:29:21.15 | 3.0 | positive | manual | Pn | -2.47 | 0 | |||
IV.PESA.HHZ. | 2021-04-09T14:29:20.18 | 3.0 | undecidable | manual | P | -5.3 | 0 | |||
IV.SEI.HHZ. | 2021-04-09T14:29:19.24 | 3.0 | undecidable | manual | S | -0.34 | 0 | |||
IV.CPGN.EHZ. | 2021-04-09T14:29:18.36 | 3.0 | negative | manual | P | -3.23 | 0 | |||
IV.FIR.HHZ. | 2021-04-09T14:29:12.74 | 3.0 | undecidable | manual | P | -5.3 | 0 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MTRA.EHE. | ML:1.3 | 0.00016354894999999999 | 0.1792 | AML | other | m | 2021-04-09T14:29:42.56 |
IV.MTRA.EHN. | ML:1.3 | 0.0001545 | 0.22 | AML | other | m | 2021-04-09T14:29:42.44 |
IV.FDMO.HHE. | ML:0.8 | 0.00003803809 | 0.1216 | AML | other | m | 2021-04-09T14:29:44.30 |
IV.FDMO.HHN. | ML:0.8 | 0.000041524905 | 0.1408 | AML | other | m | 2021-04-09T14:29:44.33 |
IV.LNSS.HHE. | ML:1.1 | 0.000060266594999999996 | 0.16 | AML | other | m | 2021-04-09T14:29:46.53 |
IV.LNSS.HHN. | ML:1.1 | 0.0000705 | 0.14 | AML | other | m | 2021-04-09T14:29:46.81 |
IV.RM33.EHE. | ML:1.0 | 0.000037719795 | 0.16 | AML | other | m | 2021-04-09T14:29:48.21 |
IV.RM33.EHN. | ML:0.9 | 0.000033030985 | 0.1408 | AML | other | m | 2021-04-09T14:29:48.71 |
IV.TERO.HHN. | ML:1.4 | 0.00007855000000000001 | 0.1 | AML | other | m | 2021-04-09T14:29:48.47 |
IV.TERO.HHE. | ML:1.2 | 0.00005895 | 0.1 | AML | other | m | 2021-04-09T14:29:48.52 |
IV.ARVD.HHE. | ML:1.2 | 0.00001777811 | 0.064 | AML | other | m | 2021-04-09T14:29:26.69 |
IV.ARVD.HHN. | ML:0.5 | 0.0000055696625 | 0.0576 | AML | other | m | 2021-04-09T14:29:45.02 |
IV.MTRA.HNE. | ML:1.3 | 0.0001761284 | 0.1728 | AML | other | m | 2021-04-09T14:29:42.56 |
IV.MTRA.HNN. | ML:1.3 | 0.00015814945 | 0.2048 | AML | other | m | 2021-04-09T14:29:42.33 |
IV.SMA1.EHE. | ML:0.9 | 0.00004962382 | 0.384 | AML | other | m | 2021-04-09T14:29:49.84 |
IV.SMA1.EHN. | ML:0.9 | 0.00005031022 | 0.16 | AML | other | m | 2021-04-09T14:29:44.14 |
IV.CSP1.EHE. | ML:1.2 | 0.00008542971 | 0.3392 | AML | other | m | 2021-04-09T14:29:46.70 |
IV.CSP1.EHN. | ML:1.3 | 0.00010064399 | 0.2816 | AML | other | m | 2021-04-09T14:29:46.28 |
IV.LNSS.HNE. | ML:1.4 | 0.00011930471500000001 | 0.9344 | AML | other | m | 2021-04-09T14:29:58.37 |
IV.LNSS.HNN. | ML:1.7 | 0.00022867630999999999 | 1.0816 | AML | other | m | 2021-04-09T14:30:28.90 |
IV.MF5.EHE. | ML:1.2 | 0.000083545225 | 0.5184 | AML | other | m | 2021-04-09T14:29:45.96 |
IV.MF5.EHN. | ML:1.0 | 0.000057285895000000006 | 0.3584 | AML | other | m | 2021-04-09T14:29:45.80 |
IV.GAVE.EHE. | ML:1.1 | 0.00005347945 | 0.1792 | AML | other | m | 2021-04-09T14:29:48.89 |
IV.GAVE.EHN. | ML:1.0 | 0.00004454177999999999 | 0.1664 | AML | other | m | 2021-04-09T14:29:46.82 |
IV.GAVE.HNE. | ML:1.5 | 0.00013597120000000002 | 0.7808 | AML | other | m | 2021-04-09T14:29:56.39 |
IV.GAVE.HNN. | ML:1.7 | 0.0002577759 | 1.088 | AML | other | m | 2021-04-09T14:30:18.46 |
IV.RM33.HNE. | ML:1.6 | 0.00014951053 | 0.9216 | AML | other | m | 2021-04-09T14:30:40.76 |
IV.RM33.HNN. | ML:1.5 | 0.0001309042 | 0.5824 | AML | other | m | 2021-04-09T14:30:43.93 |
IV.TERO.HNE. | ML:1.6 | 0.00016248895 | 0.7808 | AML | other | m | 2021-04-09T14:30:09.19 |
IV.TERO.HNN. | ML:1.8 | 0.00019843805000000002 | 1.0624 | AML | other | m | 2021-04-09T14:30:43.16 |