A magnitude ML 1.5 earthquake occured in region: 7 km E Norcia (PG), on
and geographic coordinates (lat, lon) 42.7880, 13.1820 at 9 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 |
---|---|---|---|---|
Norcia | PG | 7 | 4957 | 4957 |
Arquata del Tronto | AP | 10 | 1178 | 6135 |
Accumoli | RI | 12 | 667 | 6802 |
Castelsantangelo sul Nera | MC | 12 | 281 | 7083 |
Montegallo | AP | 14 | 523 | 7606 |
Preci | PG | 15 | 724 | 8330 |
Cascia | PG | 16 | 3217 | 11547 |
Montemonaco | AP | 17 | 604 | 12151 |
Visso | MC | 18 | 1107 | 13258 |
Ussita | MC | 18 | 444 | 13702 |
Acquasanta Terme | AP | 19 | 2916 | 16618 |
Cittareale | RI | 19 | 482 | 17100 |
Amatrice | RI | 20 | 2657 | 19757 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.5 | 2016-12-21 12:45:22 |
42.7883 | 13.1818 | 9 | 2016-12-21 12:55:00 |
Sala Sismica INGV-Roma | 37336591 |
Field | Value |
---|---|
Time (UTC) | 2016-12-21 12:45:22 ± 0.08 |
Latitude | 42.7883 ± 0.0045 |
Longitude | 13.1818 ± 0.0037 |
Depth (km) | 9 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 37336591 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 376 |
Semi-minor axis of confidence ellipse (meter) | 297 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 185 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 380.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 91 |
Number of associated phases, regardless of their use for origin computation | 22 |
Number of defining phases | 16 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.23 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.35163 |
Number of stations at which the event was observed | 15 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | 0.4 |
Num. used stations | 3 |
Type of magnitude | ML |
Reference to an origin | 37336591 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2016-12-21 12:55:00 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ASSB.HHZ. | 2016-12-21T12:45:39.43 | 3.0 | undecidable | manual | S | -0.22 | 0 | |||
IV.SENI.HNZ. | 2016-12-21T12:45:39.76 | 3.0 | undecidable | manual | P | -0.11 | 0 | |||
IV.TERO.HHZ. | 2016-12-21T12:45:35.55 | 0.1 | undecidable | manual | S | 118 | 39.0276 | 50 | -0.15 | 95 |
IV.EL6.EHZ. | 2016-12-21T12:45:33.56 | 3.0 | negative | manual | P | 0.26 | 0 | |||
IV.SNTG.HHZ. | 2016-12-21T12:45:32.74 | 3.0 | undecidable | manual | P | 0.2 | 0 | |||
IV.LNSS.HHZ. | 2016-12-21T12:45:31.08 | 0.1 | undecidable | manual | S | 209 | 23.5542 | 112 | -0.19 | 96 |
IV.T1243.HHZ. | 2016-12-21T12:45:31.24 | 0.3 | undecidable | manual | S | 115 | 23.9538 | 111 | -0.16 | 73 |
IV.T1215.EHZ. | 2016-12-21T12:45:31.60 | 0.1 | undecidable | manual | S | 273 | 25.5522 | 110 | -0.3 | 94 |
IV.T1241.EHZ. | 2016-12-21T12:45:30.62 | 0.1 | undecidable | manual | S | 69 | 21.6672 | 113 | -0.02 | 100 |
IV.TERO.HHZ. | 2016-12-21T12:45:30.00 | 0.3 | positive | manual | P | 118 | 39.0276 | 50 | -0.1 | 72 |
IV.T1216.EHZ. | 2016-12-21T12:45:29.07 | 0.1 | undecidable | manual | S | 311 | 17.4714 | 118 | -0.26 | 96 |
IV.RM33.EHZ. | 2016-12-21T12:45:29.01 | 3.0 | negative | manual | P | -0.02 | 0 | |||
IV.CSP1.EHZ. | 2016-12-21T12:45:29.22 | 3.0 | negative | manual | P | 0.26 | 0 | |||
IV.T1215.EHZ. | 2016-12-21T12:45:28.11 | 0.1 | undecidable | manual | P | 273 | 25.5522 | 110 | 0.2 | 96 |
IV.MMO1.EHZ. | 2016-12-21T12:45:28.98 | 0.1 | undecidable | manual | S | 44 | 17.0718 | 119 | -0.23 | 97 |
IV.T1256.HHZ. | 2016-12-21T12:45:27.65 | 0.1 | undecidable | manual | P | 8 | 24.4533 | 111 | -0.06 | 99 |
IV.T1241.EHZ. | 2016-12-21T12:45:27.36 | 0.1 | undecidable | manual | P | 69 | 21.6672 | 113 | 0.17 | 97 |
IV.LNSS.HHZ. | 2016-12-21T12:45:27.97 | 0.1 | negative | manual | P | 209 | 23.5542 | 112 | 0.43 | 92 |
IV.T1243.HHZ. | 2016-12-21T12:45:27.65 | 0.1 | undecidable | manual | P | 115 | 23.9538 | 111 | 0.03 | 99 |
IV.MMO1.EHZ. | 2016-12-21T12:45:26.45 | 0.1 | undecidable | manual | P | 44 | 17.0718 | 119 | 0.09 | 99 |
IV.T1216.EHZ. | 2016-12-21T12:45:26.60 | 0.1 | undecidable | manual | P | 311 | 17.4714 | 118 | 0.17 | 98 |
IV.MC2.EHZ. | 2016-12-21T12:45:26.11 | 0.1 | positive | manual | P | 2 | 13.6752 | 124 | 0.33 | 95 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.FDMO.HHE. | ML:2.2 | 0.0008070000000000001 | 0.26 | AML | other | m | 2016-12-21T12:45:32.00 |
IV.FDMO.HHN. | ML:2.2 | 0.0009435 | 0.12 | AML | other | m | 2016-12-21T12:45:32.04 |
IV.LNSS.HHE. | ML:1.3 | 0.00012174999999999999 | 0.2 | AML | other | m | 2016-12-21T12:45:32.55 |
IV.LNSS.HHN. | ML:1.3 | 0.00013000000000000002 | 0.78 | AML | other | m | 2016-12-21T12:45:32.54 |
IV.RM33.EHN. | ML:1.4 | 0.0001235 | 0.1 | AML | other | m | 2016-12-21T12:45:41.09 |
IV.RM33.EHE. | ML:1.5 | 0.000136 | 0.98 | AML | other | m | 2016-12-21T12:45:41.76 |