Earthquake with magnitude of ML 1.2 on date 12-02-2017 and time 08:15:30 (Italy) in region 5 km E Accumoli (RI)

A magnitude ML 1.2 earthquake occured in region: 5 km E Accumoli (RI), on

  • 12-02-2017 07:15:30 (UTC)
  • 12-02-2017 08:15:30 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6870, 13.3050 at 20 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Accumoli RI 5 667 667
Amatrice RI 6 2657 3324
Arquata del Tronto AP 10 1178 4502
Acquasanta Terme AP 13 2916 7418
Cittareale RI 14 482 7900
Campotosto AQ 15 542 8442
Valle Castellana TE 17 977 9419
Montegallo AP 18 523 9942
Cortino TE 18 656 10598
Rocca Santa Maria TE 18 537 11135
Capitignano AQ 18 665 11800
Montereale AQ 19 2581 14381

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km W of Teramo (54892 inhabitants)
38 Km N of L'Aquila (69753 inhabitants)
56 Km E of Terni (111501 inhabitants)
57 Km SE of Foligno (57155 inhabitants)
72 Km W of Montesilvano (53738 inhabitants)
79 Km W of Pescara (121014 inhabitants)
80 Km W of Chieti (51815 inhabitants)
88 Km SE of Perugia (166134 inhabitants)
90 Km NE of Guidonia Montecelio (88673 inhabitants)
90 Km NE of Tivoli (56533 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Reviewed
Rev100
ML 1.2 2017-02-12
07:15:30
42.687 13.3047 20 2017-02-12
07:20:12
Sala Sismica INGV-Roma 40900881
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-02-12 07:15:30 ± 0.08
Latitude 42.6870 ± 0.0036
Longitude 13.3047 ± 0.0037
Depth (km) 20 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 40900881

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 344
Semi-minor axis of confidence ellipse (meter) 175
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 25
Circular confidence region, given by single value of horizontal uncertainty (meter) 340.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 102
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.33994
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 11
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 40900881
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-02-12 07:20:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARVD.HHZ. 2017-02-12T07:15:44.53 3.0 positive manual P -0.11 0
IV.CSP1.EHZ. 2017-02-12T07:15:41.63 3.0 undecidable manual S -4.43 0
IV.FDMO.HHZ. 2017-02-12T07:15:41.03 3.0 undecidable manual S -4.37 0
IV.MMO1.EHZ. 2017-02-12T07:15:40.06 0.6 undecidable manual S 4 23.6541 122 0.25 47
IV.TERO.HHZ. 2017-02-12T07:15:40.12 0.6 undecidable manual S 106 25.4523 120 -0.1 49
IV.LNSS.HHZ. 2017-02-12T07:15:39.88 0.3 undecidable manual S 247 23.4543 122 0.1 73
IV.RM33.EHZ. 2017-02-12T07:15:39.08 0.6 undecidable manual S 200 21.0678 126 -0.16 48
IV.T1212.EHZ. 2017-02-12T07:15:39.47 0.3 undecidable manual S 289 22.3554 124 -0.05 73
IV.NRCA.HHZ. 2017-02-12T07:15:39.50 0.6 undecidable manual S 316 22.4553 124 -0.05 49
IV.T1218.EHZ. 2017-02-12T07:15:38.03 0.6 undecidable manual S 263 15.5733 136 -0.09 49
IV.T1215.EHZ. 2017-02-12T07:15:37.73 1.0 undecidable manual P 290 37.7289 109 -0.04 24
IV.T1216.EHZ. 2017-02-12T07:15:37.27 3.0 negative manual P 0.44 0
IV.T1217.EHZ. 2017-02-12T07:15:36.69 0.1 undecidable manual P 275 30.5472 114 -0.05 97
IV.T1299.EHZ. 2017-02-12T07:15:36.78 0.6 undecidable manual S 197 6.0939 160 0.01 51
IV.T1212.EHZ. 2017-02-12T07:15:35.65 0.6 positive manual P 289 22.3554 124 0.02 49
IV.NRCA.HHZ. 2017-02-12T07:15:35.68 0.1 undecidable manual P 316 22.4553 124 0.04 98
IV.MMO1.EHZ. 2017-02-12T07:15:35.22 1.0 undecidable manual P 4 23.6541 122 -0.57 22
IV.LNSS.HHZ. 2017-02-12T07:15:35.79 0.1 undecidable manual P 247 23.4543 122 0.01 98
IV.RM33.EHZ. 2017-02-12T07:15:35.44 0.1 undecidable manual P 200 21.0678 126 -0.03 99
IV.TERO.HHZ. 2017-02-12T07:15:35.97 0.1 undecidable manual P 106 25.4523 120 -0.06 98
IV.T1299.EHZ. 2017-02-12T07:15:34.17 0.1 positive manual P 197 6.0939 160 0.13 99
IV.T1218.EHZ. 2017-02-12T07:15:34.82 0.1 positive manual P 263 15.5733 136 0 100
IV.SMA1.EHZ. 2017-02-12T07:15:34.15 0.1 undecidable manual P 158 6.7932 158 0.08 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HHE. ML:1.2 0.00007065000000000001 1.84 AML other m 2017-02-12T07:15:40.98
IV.LNSS.HHN. ML:1.2 0.0000852 0.42 AML other m 2017-02-12T07:15:41.23
IV.NRCA.HHE. ML:1.4 0.000126 0.16 AML other m 2017-02-12T07:15:39.68
IV.NRCA.HHN. ML:1.4 0.00011350000000000001 1.22 AML other m 2017-02-12T07:15:40.65
IV.RM33.EHN. ML:1.0 0.00005275000000000001 0.3 AML other m 2017-02-12T07:15:39.22
IV.RM33.EHE. ML:0.9 0.000045249999999999995 1.12 AML other m 2017-02-12T07:15:40.07
IV.SMA1.EHE. ML:1.6 0.0003235 0.2 AML other m 2017-02-12T07:15:36.97
IV.SMA1.EHN. ML:1.3 0.00016499999999999997 1.92 AML other m 2017-02-12T07:15:37.96
IV.T1299.EHN. ML:1.2 0.0001275 1.76 AML other m 2017-02-12T07:15:36.96
IV.T1299.EHE. ML:1.2 0.00013350000000000002 1.54 AML other m 2017-02-12T07:15:36.95
IV.TERO.HHE. ML:0.9 0.0000334 0.14 AML other m 2017-02-12T07:15:40.55
IV.TERO.HHN. ML:0.9 0.000041700000000000004 0.62 AML other m 2017-02-12T07:15:40.44
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download