A magnitude ML 1.1 earthquake occured in region: 5 km W Montegallo (AP), on
and geographic coordinates (lat, lon) 42.8420, 13.2740 at 1 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 |
---|---|---|---|---|
Montegallo | AP | 5 | 523 | 523 |
Montemonaco | AP | 8 | 604 | 1127 |
Arquata del Tronto | AP | 8 | 1178 | 2305 |
Castelsantangelo sul Nera | MC | 11 | 281 | 2586 |
Montefortino | FM | 13 | 1178 | 3764 |
Acquasanta Terme | AP | 14 | 2916 | 6680 |
Norcia | PG | 16 | 4957 | 11637 |
Ussita | MC | 16 | 444 | 12081 |
Palmiano | AP | 16 | 196 | 12277 |
Accumoli | RI | 16 | 667 | 12944 |
Roccafluvione | AP | 17 | 2010 | 14954 |
Amandola | FM | 17 | 3629 | 18583 |
Comunanza | AP | 17 | 3166 | 21749 |
Bolognola | MC | 17 | 142 | 21891 |
Visso | MC | 18 | 1107 | 22998 |
Venarotta | AP | 19 | 2066 | 25064 |
Preci | PG | 20 | 724 | 25788 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2017-02-20 21:44:00 |
42.8423 | 13.2738 | 1 | 2017-02-20 22:11:49 |
Sala Sismica INGV-Roma | 41395901 |
Field | Value |
---|---|
Time (UTC) | 2017-02-20 21:44:00 ± 0.22 |
Latitude | 42.8423 ± 0.0072 |
Longitude | 13.2738 ± 0.0147 |
Depth (km) | 1 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 41395901 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1330 |
Semi-minor axis of confidence ellipse (meter) | 590 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 63 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1330.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 210 |
Number of associated phases, regardless of their use for origin computation | 15 |
Number of defining phases | 9 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.26 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.29408 |
Number of stations at which the event was observed | 11 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.4 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 41395901 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2017-02-20 22:11:49 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.APEC.HHZ. | 2017-02-20T21:44:25.04 | 3.0 | undecidable | manual | Sg | 0.28 | 0 | |||
IV.LNSS.HHZ. | 2017-02-20T21:44:11.36 | 1.0 | undecidable | manual | S | 216 | 32.6451 | 91 | -0.81 | 19 |
IV.SMA1.EHZ. | 2017-02-20T21:44:08.80 | 0.6 | undecidable | manual | S | 168 | 24.0537 | 92 | -0.37 | 46 |
IV.TERO.HHZ. | 2017-02-20T21:44:07.51 | 3.0 | positive | manual | P | 0.53 | 0 | |||
IV.LNSS.HHZ. | 2017-02-20T21:44:07.49 | 0.1 | undecidable | manual | P | 216 | 32.6451 | 91 | 0.12 | 96 |
IV.GIGS.HHZ. | 2017-02-20T21:44:06.64 | 3.0 | undecidable | manual | P | -0.98 | 0 | |||
IV.T1299.EHZ. | 2017-02-20T21:44:05.95 | 1.0 | positive | manual | P | 178 | 23.0547 | 92 | 0.5 | 22 |
IV.NRCA.HHZ. | 2017-02-20T21:44:05.49 | 0.6 | undecidable | manual | S | 266 | 12.9759 | 93 | 0.14 | 49 |
IV.SMA1.EHZ. | 2017-02-20T21:44:05.88 | 0.6 | positive | manual | P | 168 | 24.0537 | 92 | 0.24 | 47 |
IV.MC2.EHZ. | 2017-02-20T21:44:04.21 | 0.6 | undecidable | manual | S | 318 | 10.2786 | 94 | -0.2 | 49 |
IV.T1220.EHZ. | 2017-02-20T21:44:04.93 | 3.0 | positive | manual | P | -0.33 | 0 | |||
IV.T1247.HHZ. | 2017-02-20T21:44:04.81 | 3.0 | positive | manual | P | -0.83 | 0 | |||
IV.T1219.EHZ. | 2017-02-20T21:44:04.50 | 3.0 | negative | manual | P | 0.09 | 0 | |||
IV.NRCA.HHZ. | 2017-02-20T21:44:03.60 | 0.3 | positive | manual | P | 266 | 12.9759 | 93 | 0.16 | 74 |
IV.MC2.EHZ. | 2017-02-20T21:44:02.82 | 0.1 | negative | manual | P | 318 | 10.2786 | 94 | -0.08 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.LNSS.HHN. | ML:0.8 | 0.0000308 | 0.54 | AML | other | m | 2017-02-20T21:44:11.70 |
IV.LNSS.HHE. | ML:0.8 | 0.00002965 | 1.02 | AML | other | m | 2017-02-20T21:44:12.88 |
IV.NRCA.HHN. | ML:0.7 | 0.0000722 | 0.04 | AML | other | m | 2017-02-20T21:44:20.05 |
IV.NRCA.HHE. | ML:1.0 | 0.00013000000000000002 | 0.34 | AML | other | m | 2017-02-20T21:44:20.16 |
IV.RM33.EHN. | ML:1.4 | 0.0000915 | 0.94 | AML | other | m | 2017-02-20T21:44:06.86 |
IV.RM33.EHE. | ML:1.4 | 0.0000881 | 0.98 | AML | other | m | 2017-02-20T21:44:06.99 |
IV.SMA1.EHN. | ML:1.5 | 0.000227 | 1.64 | AML | other | m | 2017-02-20T21:44:08.15 |
IV.SMA1.EHE. | ML:1.3 | 0.00014399999999999998 | 0.28 | AML | other | m | 2017-02-20T21:44:09.20 |
IV.T1247.HHN. | ML:1.8 | 0.00022199999999999998 | 0.4 | AML | other | m | 2017-02-20T21:44:09.15 |
IV.T1247.HHE. | ML:2.0 | 0.00029000000000000006 | 0.32 | AML | other | m | 2017-02-20T21:44:06.59 |
IV.TERO.HHE. | ML:0.9 | 0.00003145 | 0.78 | AML | other | m | 2017-02-20T21:44:12.25 |
IV.TERO.HHN. | ML:0.9 | 0.00002875 | 0.34 | AML | other | m | 2017-02-20T21:44:13.80 |