A magnitude ML 1.2 earthquake occured in region: 6 km W Arquata del Tronto (AP), on
and geographic coordinates (lat, lon) 42.7940, 13.2290 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 | 6 | 1178 | 1178 |
Montegallo | AP | 10 | 523 | 1701 |
Norcia | PG | 11 | 4957 | 6658 |
Accumoli | RI | 11 | 667 | 7325 |
Castelsantangelo sul Nera | MC | 13 | 281 | 7606 |
Montemonaco | AP | 14 | 604 | 8210 |
Acquasanta Terme | AP | 15 | 2916 | 11126 |
Preci | PG | 18 | 724 | 11850 |
Ussita | MC | 18 | 444 | 12294 |
Amatrice | RI | 19 | 2657 | 14951 |
Montefortino | FM | 19 | 1178 | 16129 |
Visso | MC | 19 | 1107 | 17236 |
Cascia | PG | 20 | 3217 | 20453 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.2 | 2019-08-20 02:43:55 |
42.7943 | 13.2293 | 11 | 2019-08-20 02:59:01 |
Sala Sismica INGV-Roma | 71637741 |
Field | Value |
---|---|
Time (UTC) | 2019-08-20 02:43:55 ± 0.06 |
Latitude | 42.7943 ± 0.0027 |
Longitude | 13.2293 ± 0.0061 |
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 | 71637741 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 543 |
Semi-minor axis of confidence ellipse (meter) | 164 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 71 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 540.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 121 |
Number of associated phases, regardless of their use for origin computation | 29 |
Number of defining phases | 12 |
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) | 0.28509 |
Number of stations at which the event was observed | 23 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.7 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 71637741 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2019-08-20 02:59:01 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.EPZF.HHZ. | 2019-08-20T02:45:42.71 | 3.0 | undecidable | manual | Sn | -9.99 | 0 | |||
IV.EMSG.HHZ. | 2019-08-20T02:45:41.36 | 3.0 | undecidable | manual | Sn | -9.99 | 0 | |||
SI.KOSI.HHZ. | 2019-08-20T02:45:35.96 | 3.0 | undecidable | manual | Sn | -9.99 | 0 | |||
MN.TRI.HHZ. | 2019-08-20T02:45:29.50 | 3.0 | undecidable | manual | Sg | 4.61 | 0 | |||
IV.ORI.HHZ. | 2019-08-20T02:45:29.68 | 3.0 | undecidable | manual | Sg | 5.09 | 0 | |||
AC.SRN.HHZ. | 2019-08-20T02:45:25.18 | 3.0 | undecidable | manual | Pg | 10.68 | 0 | |||
IV.NARO.HHZ. | 2019-08-20T02:44:34.55 | 3.0 | undecidable | manual | Sg | 1.23 | 0 | |||
IV.PTRJ.HHZ. | 2019-08-20T02:44:27.50 | 3.0 | undecidable | manual | Sn | -9.11 | 0 | |||
IV.IMOL.EHZ. | 2019-08-20T02:44:24.74 | 3.0 | undecidable | manual | Pn | -0.62 | 0 | |||
IT.ORP.HGZ. | 2019-08-20T02:44:22.33 | 3.0 | positive | manual | Pg | 0.64 | 0 | |||
IV.SGRT.HHZ. | 2019-08-20T02:44:21.29 | 3.0 | undecidable | manual | Pg | -2.34 | 0 | |||
IV.RM33.EHZ. | 2019-08-20T02:44:07.24 | 1.0 | undecidable | manual | S | 182 | 31.6461 | 50 | 0.46 | 23 |
IV.FDMO.HHZ. | 2019-08-20T02:44:05.91 | 0.6 | undecidable | manual | S | 337 | 29.2485 | 50 | -0.22 | 47 |
IV.OFFI.HHZ. | 2019-08-20T02:44:04.35 | 3.0 | positive | manual | P | 0.04 | 0 | |||
IV.SMA1.EHZ. | 2019-08-20T02:44:03.71 | 0.6 | undecidable | manual | S | 155 | 20.1687 | 50 | 0.01 | 50 |
IV.MC2.EHZ. | 2019-08-20T02:44:02.16 | 0.6 | undecidable | manual | S | 346 | 13.3755 | 129 | 0.28 | 48 |
IV.TERO.HHZ. | 2019-08-20T02:44:02.96 | 3.0 | undecidable | manual | Sn | -6.26 | 0 | |||
IV.MMO1.EHZ. | 2019-08-20T02:44:02.07 | 0.6 | undecidable | manual | S | 34 | 14.0748 | 128 | 0 | 51 |
IV.RM33.EHZ. | 2019-08-20T02:44:02.24 | 0.1 | undecidable | manual | P | 182 | 31.6461 | 50 | 0.08 | 100 |
IV.CSP1.EHZ. | 2019-08-20T02:44:02.25 | 3.0 | negative | manual | P | -1.85 | 0 | |||
IV.FDMO.HHZ. | 2019-08-20T02:44:01.57 | 1.0 | positive | manual | P | 337 | 29.2485 | 50 | -0.22 | 24 |
IV.MF5.EHZ. | 2019-08-20T02:44:01.94 | 3.0 | positive | manual | P | -1.5 | 0 | |||
IV.NRCA.HHZ. | 2019-08-20T02:44:01.00 | 0.6 | undecidable | manual | S | 295 | 10.2786 | 137 | -0.1 | 52 |
IV.POFI.HHZ. | 2019-08-20T02:44:00.53 | 3.0 | undecidable | manual | P | -3.17 | 0 | |||
IV.RMP.HHZ. | 2019-08-20T02:44:00.53 | 3.0 | positive | manual | P | 2.05 | 0 | |||
IV.SMA1.EHZ. | 2019-08-20T02:44:00.34 | 0.1 | undecidable | manual | P | 155 | 20.1687 | 50 | -0.05 | 100 |
IV.MC2.EHZ. | 2019-08-20T02:43:59.43 | 1.0 | undecidable | manual | P | 346 | 13.3755 | 129 | 0.1 | 25 |
IV.MMO1.EHZ. | 2019-08-20T02:43:59.49 | 0.6 | positive | manual | P | 34 | 14.0748 | 128 | 0.05 | 51 |
IV.NRCA.HHZ. | 2019-08-20T02:43:58.89 | 0.6 | undecidable | manual | P | 295 | 10.2786 | 137 | 0.01 | 51 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:1.4 | 0.000312 | 0.08 | AML | other | m | 2019-08-20T02:44:01.02 |
IV.NRCA.HHN. | ML:1.4 | 0.00032450000000000003 | 0.08 | AML | other | m | 2019-08-20T02:44:01.11 |
IV.FDMO.HHN. | ML:0.6 | 0.000018500000000000002 | 1.82 | AML | other | m | 2019-08-20T02:44:06.05 |
IV.FDMO.HHE. | ML:0.5 | 0.0000148 | 1.8 | AML | other | m | 2019-08-20T02:44:06.07 |
IV.NARO.HHE. | ML:1.0 | 0.000011975 | 0.06 | AML | other | m | 2019-08-20T02:44:51.24 |
IV.NARO.HHN. | ML:1.0 | 0.000011755 | 0.9 | AML | other | m | 2019-08-20T02:44:54.68 |
IV.ORI.HHE. | ML:3.6 | 0.0002415 | 0.06 | AML | other | m | 2019-08-20T02:45:41.17 |
IV.ORI.HHN. | ML:3.5 | 0.000168 | 0.06 | AML | other | m | 2019-08-20T02:45:41.30 |