A magnitude ML 0.9 earthquake occured in region: 7 km W Arquata del Tronto (AP), on
and geographic coordinates (lat, lon) 42.7910, 13.2110 at 12 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 | 7 | 1178 | 1178 |
Norcia | PG | 10 | 4957 | 6135 |
Accumoli | RI | 11 | 667 | 6802 |
Montegallo | AP | 12 | 523 | 7325 |
Castelsantangelo sul Nera | MC | 13 | 281 | 7606 |
Montemonaco | AP | 16 | 604 | 8210 |
Acquasanta Terme | AP | 16 | 2916 | 11126 |
Preci | PG | 17 | 724 | 11850 |
Cascia | PG | 18 | 3217 | 15067 |
Ussita | MC | 18 | 444 | 15511 |
Visso | MC | 19 | 1107 | 16618 |
Amatrice | RI | 19 | 2657 | 19275 |
Cittareale | RI | 20 | 482 | 19757 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2021-11-20 13:54:51 |
42.7907 | 13.2113 | 12 | 2021-11-20 14:07:39 |
Sala Sismica INGV-Roma | 97629461 |
Field | Value |
---|---|
Time (UTC) | 2021-11-20 13:54:51 ± 0.08 |
Latitude | 42.7907 ± 0.0027 |
Longitude | 13.2113 ± 0.0061 |
Depth (km) | 12 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 97629461 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 460 |
Semi-minor axis of confidence ellipse (meter) | 85 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 257 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 460.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 87 |
Number of associated phases, regardless of their use for origin computation | 40 |
Number of defining phases | 16 |
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) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.28149 |
Number of stations at which the event was observed | 32 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.4 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 97629461 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-11-20 14:07:39 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
OX.CLUD.HHZ. | 2021-11-20T13:56:33.22 | 3.0 | undecidable | manual | Sg | 13.05 | 0 | |||
IV.ZEN8.EHZ. | 2021-11-20T13:56:26.95 | 3.0 | undecidable | manual | Sg | 16.690001 | 0 | |||
IV.CMPR.HHZ. | 2021-11-20T13:56:21.46 | 3.0 | undecidable | manual | Sg | 5.47 | 0 | |||
IV.ERC.EHZ. | 2021-11-20T13:56:11.18 | 3.0 | undecidable | manual | Pg | 10.37 | 0 | |||
IV.GIZZ.HHZ. | 2021-11-20T13:56:07.82 | 3.0 | positive | manual | Pg | 9.97 | 0 | |||
IV.RESU.HHZ. | 2021-11-20T13:56:06.99 | 3.0 | positive | manual | Pn | -0.18 | 0 | |||
SL.LJU.BHZ. | 2021-11-20T13:56:06.42 | 3.0 | undecidable | manual | Sn | -9.2 | 0 | |||
IV.MTMR.EHZ. | 2021-11-20T13:56:04.05 | 3.0 | undecidable | manual | Sg | 3.28 | 0 | |||
AC.VLO.HHZ. | 2021-11-20T13:56:04.49 | 3.0 | undecidable | manual | Pn | -4.6 | 0 | |||
IV.IMTC.HHZ. | 2021-11-20T13:55:59.98 | 3.0 | undecidable | manual | Sg | 4.55 | 0 | |||
IV.ILOS.HNZ. | 2021-11-20T13:55:55.86 | 3.0 | negative | manual | Pn | -2.98 | 0 | |||
IV.RAVA.EHZ. | 2021-11-20T13:55:49.70 | 3.0 | undecidable | manual | Sn | 1.09 | 0 | |||
IV.MRB1.HHZ. | 2021-11-20T13:55:47.46 | 3.0 | undecidable | manual | Sn | -8.98 | 0 | |||
IV.PIGN.HHZ. | 2021-11-20T13:55:43.63 | 3.0 | undecidable | manual | Sn | -3.19 | 0 | |||
IV.MTSN.HHZ. | 2021-11-20T13:55:38.37 | 3.0 | negative | manual | Pn | -2.14 | 0 | |||
IX.CLT3.EHZ.02 | 2021-11-20T13:55:34.39 | 3.0 | negative | manual | Pg | 2.95 | 0 | |||
IV.BOZZ.HNZ. | 2021-11-20T13:55:27.36 | 3.0 | undecidable | manual | Pn | -2.1 | 0 | |||
IV.LAV9.HHZ. | 2021-11-20T13:55:27.34 | 3.0 | undecidable | manual | Sn | -1.89 | 0 | |||
IV.VENL.EHZ. | 2021-11-20T13:55:24.58 | 3.0 | positive | manual | Pn | -1.04 | 0 | |||
IV.CFMN.HHZ. | 2021-11-20T13:55:22.32 | 3.0 | undecidable | manual | Pn | -2.67 | 0 | |||
IV.FAGN.HHZ. | 2021-11-20T13:55:14.33 | 3.0 | undecidable | manual | Sn | -4.56 | 0 | |||
IV.PE3.EHZ. | 2021-11-20T13:55:11.81 | 3.0 | undecidable | manual | Sn | -1.72 | 0 | |||
IV.RM33.EHE. | 2021-11-20T13:55:02.38 | 0.3 | undecidable | manual | S | 180 | 31.2465 | 94 | 0.18 | 71 |
IV.FDMO.HHZ. | 2021-11-20T13:55:01.48 | 0.3 | undecidable | manual | S | 340 | 29.0487 | 95 | -0.14 | 71 |
IV.LNSS.HHZ. | 2021-11-20T13:55:00.67 | 0.3 | undecidable | manual | S | 214 | 25.0527 | 96 | 0.11 | 73 |
IV.PP3.EHZ. | 2021-11-20T13:54:59.63 | 3.0 | positive | manual | Pg | -1.18 | 0 | |||
IV.SMA1.EHE. | 2021-11-20T13:54:59.28 | 0.3 | undecidable | manual | S | 150 | 20.4684 | 100 | -0.05 | 73 |
IV.ARVD.HHZ. | 2021-11-20T13:54:58.47 | 3.0 | undecidable | manual | P | 0.81 | 0 | |||
IV.RM33.EHE. | 2021-11-20T13:54:57.20 | 0.1 | undecidable | manual | P | 180 | 31.2465 | 94 | -0.43 | 88 |
IV.MMO1.EHZ. | 2021-11-20T13:54:57.92 | 0.1 | undecidable | manual | S | 38 | 15.2736 | 110 | -0.08 | 99 |
IV.MC2.EHZ. | 2021-11-20T13:54:57.79 | 0.3 | undecidable | manual | S | 352 | 13.4754 | 115 | 0.22 | 71 |
IV.FDMO.HHZ. | 2021-11-20T13:54:57.23 | 1.0 | undecidable | manual | P | 340 | 29.0487 | 95 | -0.07 | 24 |
IV.MTRA.EHZ. | 2021-11-20T13:54:57.98 | 0.3 | undecidable | manual | S | 104 | 15.5733 | 109 | -0.09 | 74 |
IV.NRCA.HHZ. | 2021-11-20T13:54:56.38 | 0.6 | undecidable | manual | S | 301 | 9.1797 | 132 | -0.23 | 48 |
IV.SMA1.EHE. | 2021-11-20T13:54:56.23 | 0.3 | undecidable | manual | P | 150 | 20.4684 | 100 | 0.25 | 71 |
IV.LNSS.HHZ. | 2021-11-20T13:54:56.83 | 0.3 | negative | manual | P | 214 | 25.0527 | 96 | 0.14 | 72 |
IV.MC2.EHZ. | 2021-11-20T13:54:55.12 | 0.6 | negative | manual | P | 352 | 13.4754 | 115 | 0.16 | 48 |
IV.MTRA.EHZ. | 2021-11-20T13:54:55.30 | 1.0 | negative | manual | P | 104 | 15.5733 | 109 | 0.06 | 25 |
IV.MMO1.EHZ. | 2021-11-20T13:54:55.21 | 0.1 | undecidable | manual | P | 38 | 15.2736 | 110 | 0 | 99 |
IV.NRCA.HHZ. | 2021-11-20T13:54:54.47 | 0.1 | negative | manual | P | 301 | 9.1797 | 132 | 0.06 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:1.4 | 0.00027425625 | 0.0576 | AML | other | m | 2021-11-20T13:54:56.48 |
IV.NRCA.HHN. | ML:1.2 | 0.00020439094999999998 | 0.1408 | AML | other | m | 2021-11-20T13:54:56.49 |
IV.NRCA.HNE. | ML:1.4 | 0.00025400515 | 0.0704 | AML | other | m | 2021-11-20T13:54:56.51 |
IV.NRCA.HNN. | ML:1.2 | 0.00019323565 | 0.096 | AML | other | m | 2021-11-20T13:54:56.94 |
IV.MC2.EHE. | ML:0.7 | 0.00004915615 | 0.16 | AML | other | m | 2021-11-20T13:54:59.52 |
IV.MC2.EHN. | ML:1.0 | 0.00009632609999999999 | 0.2432 | AML | other | m | 2021-11-20T13:54:58.61 |
IV.MTRA.EHE. | ML:0.4 | 0.0000218473785 | 0.16 | AML | other | m | 2021-11-20T13:54:57.00 |
IV.MTRA.EHN. | ML:0.4 | 0.000018298895500000003 | 0.096 | AML | other | m | 2021-11-20T13:54:58.00 |
IV.LNSS.HHE. | ML:0.6 | 0.000019897493500000003 | 0.1216 | AML | other | m | 2021-11-20T13:55:00.83 |
IV.LNSS.HHN. | ML:0.6 | 0.000023612185 | 0.256 | AML | other | m | 2021-11-20T13:55:00.73 |