A magnitude ML 2.3 earthquake occured in region: 1 km SE Arquata del Tronto (AP), on
and geographic coordinates (lat, lon) 42.7640, 13.3020 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 | 1 | 1178 | 1178 |
Accumoli | RI | 9 | 667 | 1845 |
Acquasanta Terme | AP | 9 | 2916 | 4761 |
Montegallo | AP | 9 | 523 | 5284 |
Amatrice | RI | 15 | 2657 | 7941 |
Montemonaco | AP | 15 | 604 | 8545 |
Valle Castellana | TE | 16 | 977 | 9522 |
Norcia | PG | 17 | 4957 | 14479 |
Roccafluvione | AP | 18 | 2010 | 16489 |
Castelsantangelo sul Nera | MC | 19 | 281 | 16770 |
Palmiano | AP | 20 | 196 | 16966 |
Cittareale | RI | 20 | 482 | 17448 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 2.3 | 2016-10-31 08:17:01 |
42.764 | 13.3017 | 16 | 2019-02-12 14:03:37 |
Bollettino Sismico Italiano INGV | 54008191 |
Reviewed Rev100 |
ML 2.4 | 2016-10-31 08:16:59 |
42.8728 | 13.2305 | 11 | 2016-10-31 08:34:01 |
Sala Sismica INGV-Roma | 31236411 |
Field | Value |
---|---|
Time (UTC) | 2016-10-31 08:17:01 ± 0.12 |
Latitude | 42.7640 ± 0.0063 |
Longitude | 13.3017 ± 0.0049 |
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 | 54008191 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 582 |
Semi-minor axis of confidence ellipse (meter) | 388 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 7 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 580.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 280 |
Number of associated phases, regardless of their use for origin computation | 20 |
Number of defining phases | 20 |
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) | 0.00719 |
Epicentral distance of station farthest from the epicenter (degree) | 0.36872 |
Number of stations at which the event was observed | 10 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 2.4 |
Uncertainty | 0.3 |
Num. used stations | 7 |
Type of magnitude | ML |
Reference to an origin | 31236411 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2016-10-31 08:34:01 |
Field | Value |
---|---|
Value | 2.3 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 54008191 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2018-05-30 09:06:53 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.GIGS.HHZ. | 2016-10-31T08:17:15.27 | 0.3 | undecidable | manual | S | 147 | 40.9257 | 100 | -0.05 | 71 |
IV.RM33.HNE. | 2016-10-31T08:17:12.49 | 0.6 | undecidable | manual | S | 194 | 29.1486 | 106 | 0.24 | 47 |
IV.TERO.HHZ. | 2016-10-31T08:17:12.19 | 0.6 | undecidable | manual | S | 122 | 29.2485 | 106 | -0.07 | 49 |
IV.CAMP.HHZ. | 2016-10-31T08:17:11.45 | 0.3 | undecidable | manual | S | 161 | 26.751 | 108 | -0.19 | 71 |
IV.T1246.HHN. | 2016-10-31T08:17:11.30 | 0.3 | undecidable | manual | S | 142 | 25.3524 | 110 | 0.01 | 74 |
IV.GIGS.HHZ. | 2016-10-31T08:17:09.57 | 0.3 | undecidable | manual | P | 147 | 40.9257 | 100 | -0.04 | 72 |
IV.T1243.HNZ. | 2016-10-31T08:17:08.83 | 0.3 | undecidable | manual | S | 122 | 14.0748 | 130 | 0.18 | 73 |
IV.T1201.HNZ. | 2016-10-31T08:17:08.79 | 0.6 | undecidable | manual | S | 199 | 12.5763 | 134 | 0.45 | 46 |
IV.SMA1.EHZ. | 2016-10-31T08:17:08.76 | 0.6 | undecidable | manual | S | 169 | 15.0738 | 127 | -0.09 | 49 |
IV.T1246.HHN. | 2016-10-31T08:17:07.29 | 0.1 | undecidable | manual | P | 142 | 25.3524 | 110 | 0.01 | 99 |
IV.TERO.HHZ. | 2016-10-31T08:17:07.80 | 0.1 | undecidable | manual | P | 122 | 29.2485 | 106 | -0.04 | 98 |
IV.CAMP.HHZ. | 2016-10-31T08:17:07.43 | 0.3 | undecidable | manual | P | 161 | 26.751 | 108 | -0.05 | 73 |
IV.T1204.EHZ. | 2016-10-31T08:17:07.73 | 0.3 | undecidable | manual | S | 173 | 9.879 | 142 | -0.13 | 74 |
IV.RM33.HNE. | 2016-10-31T08:17:07.77 | 0.1 | undecidable | manual | P | 194 | 29.1486 | 106 | -0.06 | 96 |
IV.T1244.HNZ. | 2016-10-31T08:17:06.72 | 0.3 | undecidable | manual | S | 202 | 0.7992 | 176 | -0.27 | 74 |
IV.T1204.EHZ. | 2016-10-31T08:17:05.38 | 0.1 | positive | manual | P | 173 | 9.879 | 142 | 0.08 | 100 |
IV.T1201.HNZ. | 2016-10-31T08:17:05.70 | 0.1 | undecidable | manual | P | 199 | 12.5763 | 134 | 0.12 | 99 |
IV.T1243.HNZ. | 2016-10-31T08:17:05.94 | 0.6 | undecidable | manual | P | 122 | 14.0748 | 130 | 0.18 | 48 |
IV.SMA1.EHZ. | 2016-10-31T08:17:05.85 | 0.1 | positive | manual | P | 169 | 15.0738 | 127 | -0.03 | 100 |
IV.T1244.HNZ. | 2016-10-31T08:17:04.80 | 0.3 | undecidable | manual | P | 202 | 0.7992 | 176 | 0 | 77 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.T1217.EHN. | ML:2.2 | 0.00062439745 | 0.288 | AML | other | m | 2016-10-31T08:17:15.01 |
IV.T1204.EHN. | ML:2.4 | 0.002081724 | 0.0832 | AML | other | m | 2016-10-31T08:17:09.29 |
IV.T1204.EHE. | ML:2.6 | 0.0037915749999999997 | 0.2176 | AML | other | m | 2016-10-31T08:17:09.68 |
IV.T1217.HNN. | ML:2.2 | 0.0007264952499999999 | 0.3072 | AML | other | m | 2016-10-31T08:17:14.00 |
IV.T1217.EHE. | ML:2.2 | 0.000602516865 | 0.1728 | AML | other | m | 2016-10-31T08:17:14.93 |
IV.T1217.HNE. | ML:2.2 | 0.0005983066500000001 | 0.1728 | AML | other | m | 2016-10-31T08:17:14.93 |