A magnitude ML 1.6 earthquake occured in region: 4 km S Arquata del Tronto (AP), on
and geographic coordinates (lat, lon) 42.7370, 13.2830 at 16 km depth.
The earthquake was located by: Bollettino Sismico Italiano INGV.
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 | 11 | 2916 | 4761 |
Amatrice | RI | 12 | 2657 | 7418 |
Montegallo | AP | 13 | 523 | 7941 |
Cittareale | RI | 17 | 482 | 8423 |
Norcia | PG | 17 | 4957 | 13380 |
Valle Castellana | TE | 18 | 977 | 14357 |
Montemonaco | AP | 19 | 604 | 14961 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.6 | 2020-10-30 10:24:41 |
42.7367 | 13.2827 | 16 | 2021-02-26 14:56:09 |
Bollettino Sismico Italiano INGV | 85194841 |
Field | Value |
---|---|
Time (UTC) | 2020-10-30 10:24:41 ± 0.05 |
Latitude | 42.7367 ± 0.0018 |
Longitude | 13.2827 ± 0.0024 |
Depth (km) | 16 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 85194841 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 199 |
Semi-minor axis of confidence ellipse (meter) | 74 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 317 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 200.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 138 |
Number of associated phases, regardless of their use for origin computation | 33 |
Number of defining phases | 14 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.07 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.26170 |
Number of stations at which the event was observed | 25 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.3 |
Num. used stations | 17 |
Type of magnitude | ML |
Reference to an origin | 85194841 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2020-12-04 09:12:51 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
XK.ALB1.HNZ. | 2020-10-30T10:24:57.85 | 3.0 | undecidable | manual | Pn | 8.16 | 0 | |||
XK.SELL.HHZ. | 2020-10-30T10:24:56.47 | 3.0 | undecidable | manual | Pn | 6.14 | 0 | |||
IV.RNI2.HHZ. | 2020-10-30T10:24:55.11 | 3.0 | undecidable | manual | Sn | -9.99 | 0 | |||
IV.TERO.HHZ. | 2020-10-30T10:24:51.62 | 0.3 | undecidable | manual | S | 116 | 29.0487 | 105 | 0.02 | 74 |
IV.LNSS.HHZ. | 2020-10-30T10:24:50.47 | 0.3 | undecidable | manual | S | 233 | 24.753 | 109 | -0.02 | 74 |
IV.RM33.EHZ. | 2020-10-30T10:24:50.77 | 0.3 | undecidable | manual | S | 192 | 25.8519 | 108 | 0 | 74 |
IV.CAMP.HHZ. | 2020-10-30T10:24:50.50 | 0.3 | undecidable | manual | S | 155 | 24.5532 | 109 | 0.06 | 74 |
IV.OFFI.HHZ. | 2020-10-30T10:24:49.87 | 3.0 | undecidable | manual | Sg | 2.83 | 0 | |||
IV.LADO.EHZ. | 2020-10-30T10:24:48.57 | 3.0 | undecidable | manual | Pn | -1.05 | 0 | |||
IV.MMO1.EHZ. | 2020-10-30T10:24:48.90 | 0.3 | undecidable | manual | S | 11 | 18.3705 | 119 | -0.05 | 75 |
IV.TERO.HHZ. | 2020-10-30T10:24:47.14 | 0.1 | undecidable | manual | P | 116 | 29.0487 | 105 | -0.07 | 97 |
IV.MTRA.EHZ. | 2020-10-30T10:24:47.01 | 0.3 | undecidable | manual | S | 76 | 9.5793 | 142 | -0.11 | 75 |
IV.SMA1.EHZ. | 2020-10-30T10:24:47.68 | 0.3 | undecidable | manual | S | 160 | 12.4764 | 133 | 0.01 | 76 |
IV.CAMP.HHZ. | 2020-10-30T10:24:46.51 | 0.1 | positive | manual | P | 155 | 24.5532 | 109 | -0.03 | 98 |
IV.LNSS.HHZ. | 2020-10-30T10:24:46.51 | 0.1 | positive | manual | P | 233 | 24.753 | 109 | -0.06 | 98 |
IV.RM33.EHZ. | 2020-10-30T10:24:46.74 | 0.1 | positive | manual | P | 192 | 25.8519 | 108 | 0 | 99 |
IV.MMO1.EHZ. | 2020-10-30T10:24:45.72 | 0.1 | negative | manual | P | 11 | 18.3705 | 119 | 0.04 | 99 |
IV.SMA1.EHZ. | 2020-10-30T10:24:45.06 | 0.1 | positive | manual | P | 160 | 12.4764 | 133 | 0.12 | 99 |
IV.MTRA.EHZ. | 2020-10-30T10:24:44.71 | 0.1 | negative | manual | P | 76 | 9.5793 | 142 | 0.09 | 100 |
IV.MNTT.EHZ. | 2020-10-30T10:24:39.24 | 3.0 | undecidable | manual | Sn | -4.59 | 0 | |||
IV.IMTC.HHZ. | 2020-10-30T10:24:27.90 | 3.0 | negative | manual | Pg | 14.41 | 0 | |||
IV.PAOL.HHZ. | 2020-10-30T10:24:26.27 | 3.0 | positive | manual | Pn | 11.57 | 0 | |||
OX.SABO.HNZ. | 2020-10-30T10:24:22.70 | 3.0 | undecidable | manual | Sg | 2.79 | 0 | |||
IV.RNI2.HHZ. | 2020-10-30T10:24:09.93 | 3.0 | negative | manual | Pn | 4.96 | 0 | |||
IT.LRNO.HNZ. | 2020-10-30T10:24:08.09 | 3.0 | undecidable | manual | Pn | -1.53 | 0 | |||
IV.BRSN.EHZ. | 2020-10-30T10:23:52.10 | 3.0 | undecidable | manual | Sn | -9.99 | 0 | |||
OX.VARN.HHZ. | 2020-10-30T10:23:28.49 | 3.0 | undecidable | manual | P | 8.42 | 0 | |||
CH.FUORN.HHZ. | 2020-10-30T10:23:28.54 | 3.0 | undecidable | manual | P | 23.309999 | 0 | |||
IV.BRMO.HHZ. | 2020-10-30T10:23:23.55 | 3.0 | negative | manual | P | 18.299999 | 0 | |||
IV.OPPE.HNZ. | 2020-10-30T10:23:13.67 | 3.0 | negative | manual | P | 1.49 | 0 | |||
GU.GRAM.HHZ. | 2020-10-30T10:23:10.98 | 3.0 | undecidable | manual | P | 2.05 | 0 | |||
IV.NDIM.HHZ. | 2020-10-30T10:23:09.27 | 3.0 | negative | manual | P | -2.65 | 0 | |||
IV.MNTV.HNZ. | 2020-10-30T10:23:07.96 | 3.0 | negative | manual | P | -1.43 | 0 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MTRA.EHN. | ML:1.8 | 0.0005892454500000001 | 0.1792 | AML | other | m | 2020-10-30T10:24:47.09 |
IV.MTRA.HNE. | ML:1.8 | 0.00054922855 | 0.2048 | AML | other | m | 2020-10-30T10:24:47.09 |
IV.MTRA.HNN. | ML:1.8 | 0.0005928696 | 0.192 | AML | other | m | 2020-10-30T10:24:47.08 |
IV.MTRA.EHE. | ML:1.8 | 0.00057705465 | 0.1984 | AML | other | m | 2020-10-30T10:24:47.10 |
IV.SMA1.EHN. | ML:1.1 | 0.00010653489500000001 | 0.4224 | AML | other | m | 2020-10-30T10:24:47.81 |
IV.SMA1.EHE. | ML:1.6 | 0.0002989594 | 0.3392 | AML | other | m | 2020-10-30T10:24:47.98 |
IV.CAMP.HHE. | ML:1.2 | 0.00007542494 | 0.2816 | AML | other | m | 2020-10-30T10:24:50.76 |
IV.CAMP.HHN. | ML:1.0 | 0.00005489393 | 0.3392 | AML | other | m | 2020-10-30T10:24:50.75 |
IV.LNSS.HNE. | ML:1.7 | 0.00024401780000000002 | 0.2496 | AML | other | m | 2020-10-30T10:24:50.75 |
IV.LNSS.HHN. | ML:1.7 | 0.00025015700000000004 | 0.3776 | AML | other | m | 2020-10-30T10:24:50.81 |
IV.LNSS.HNN. | ML:1.6 | 0.0002281169 | 0.1984 | AML | other | m | 2020-10-30T10:24:50.82 |
IV.RM33.HNE. | ML:2.0 | 0.00055459675 | 1.0176 | AML | other | m | 2020-10-30T10:24:51.80 |
IV.RM33.EHN. | ML:1.4 | 0.0001175196 | 0.2368 | AML | other | m | 2020-10-30T10:24:52.26 |
IV.RM33.HNN. | ML:1.9 | 0.00038094 | 0.8192 | AML | other | m | 2020-10-30T10:24:51.63 |
IV.RM33.EHE. | ML:1.0 | 0.00005591156 | 0.6016 | AML | other | m | 2020-10-30T10:24:51.18 |
IV.TERO.HHE. | ML:1.2 | 0.000075476825 | 0.5824 | AML | other | m | 2020-10-30T10:24:51.80 |
IV.TERO.HNE. | ML:1.5 | 0.00013539885000000003 | 0.4096 | AML | other | m | 2020-10-30T10:24:51.80 |