Earthquake with magnitude of ML 1.4 on date 28-02-2017 and time 22:44:28 (Italy) in region 3 km W Campotosto (AQ)

A magnitude ML 1.4 earthquake occured in region: 3 km W Campotosto (AQ), on

  • 28-02-2017 21:44:28 (UTC)
  • 28-02-2017 22:44:28 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.5630, 13.3410 at 11 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
Campotosto AQ 3 542 542
Capitignano AQ 6 665 1207
Amatrice RI 9 2657 3864
Montereale AQ 9 2581 6445
Crognaleto TE 12 1297 7742
Barete AQ 13 737 8479
Pizzoli AQ 15 4326 12805
Cagnano Amiterno AQ 15 1369 14174
Cortino TE 15 656 14830
Cittareale RI 16 482 15312
Fano Adriano TE 16 296 15608
Accumoli RI 17 667 16275
Borbona RI 18 617 16892
Pietracamela TE 18 271 17163

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km N of L'Aquila (69753 inhabitants)
32 Km W of Teramo (54892 inhabitants)
57 Km E of Terni (111501 inhabitants)
67 Km W of Montesilvano (53738 inhabitants)
68 Km SE of Foligno (57155 inhabitants)
72 Km W of Chieti (51815 inhabitants)
72 Km W of Pescara (121014 inhabitants)
80 Km NE of Tivoli (56533 inhabitants)
80 Km NE of Guidonia Montecelio (88673 inhabitants)
98 Km SE of Perugia (166134 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 1.4 2017-02-28
21:44:28
42.5632 13.341 11 2017-02-28
21:55:36
Sala Sismica INGV-Roma 41774911
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-02-28 21:44:28 ± 0.1
Latitude 42.5632 ± 0.0081
Longitude 13.3410 ± 0.0049
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 41774911

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 883
Semi-minor axis of confidence ellipse (meter) 354
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 195
Circular confidence region, given by single value of horizontal uncertainty (meter) 880.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 122
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.35883
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 5
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 2
Type of magnitude ML
Reference to an origin 41774911
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-02-28 21:55:36
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NOV.HHZ. 2017-02-28T21:45:57.13 3.0 negative manual Pg 17.33 0
IV.MAGA.HHZ. 2017-02-28T21:45:52.59 3.0 undecidable manual Sn 0.88 0
IV.MCRV.HHZ. 2017-02-28T21:45:32.06 3.0 undecidable manual Sn -7.31 0
IV.MRB1.HHZ. 2017-02-28T21:45:29.33 3.0 undecidable manual Sg -1.09 0
IV.TREM.HHZ. 2017-02-28T21:45:23.49 3.0 undecidable manual Sg 2.27 0
TV.SF04.EHZ. 2017-02-28T21:45:00.98 3.0 undecidable manual Sg 1.89 0
IV.APRC.EHZ. 2017-02-28T21:44:52.82 3.0 undecidable manual Pn -5.27 0
IV.T1211.EHZ. 2017-02-28T21:44:41.52 0.1 undecidable manual S 265 39.8268 50 -0.11 95
IV.T1212.EHZ. 2017-02-28T21:44:39.39 0.1 undecidable manual S 311 31.9458 50 -0.14 95
IV.ARVD.HHZ. 2017-02-28T21:44:38.15 3.0 undecidable manual S -0.44 0
IV.GIGS.HHZ. 2017-02-28T21:44:36.86 0.1 undecidable manual S 123 22.5552 50 -0.16 97
IV.T1211.EHZ. 2017-02-28T21:44:36.55 0.1 undecidable manual P 265 39.8268 50 0.45 88
IV.TERO.HHZ. 2017-02-28T21:44:36.91 0.1 undecidable manual S 73 22.4553 50 -0.09 98
IV.T1212.EHZ. 2017-02-28T21:44:34.83 0.1 undecidable manual P 311 31.9458 50 -0.05 97
IV.RM33.EHZ. 2017-02-28T21:44:33.98 0.1 undecidable manual S 240 11.9769 133 -0.19 98
IV.TERO.HHZ. 2017-02-28T21:44:33.53 0.1 undecidable manual P 73 22.4553 50 0.12 97
IV.GIGS.HHZ. 2017-02-28T21:44:33.51 0.1 undecidable manual P 123 22.5552 50 0.08 98
IV.ATTE.HHZ. 2017-02-28T21:44:32.93 3.0 undecidable manual P -0.44 0
IV.RM33.EHZ. 2017-02-28T21:44:31.86 0.1 positive manual P 240 11.9769 133 0.08 100
IV.MC2.EHZ. 2017-02-28T21:44:29.95 3.0 undecidable manual S 1.22 0
IV.GAG1.HNZ. 2017-02-28T21:44:26.59 3.0 undecidable manual P 0.55 0
IV.T1256.HNZ. 2017-02-28T21:44:24.99 3.0 undecidable manual P 0.52 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.EHE. ML:1.2 0.00015699999999999997 0.64 AML other m 2017-02-28T21:44:34.46
IV.RM33.EHN. ML:1.1 0.00014900000000000002 1.12 AML other m 2017-02-28T21:44:35.74
IV.TERO.HHE. ML:1.5 0.00020400000000000003 0.44 AML other m 2017-02-28T21:44:37.13
IV.TERO.HNE. ML:1.5 0.000192 0.44 AML other m 2017-02-28T21:44:37.13
IV.TERO.HNN. ML:1.5 0.00020050000000000002 0.82 AML other m 2017-02-28T21:44:37.62
IV.TERO.HHN. ML:1.5 0.000199 0.82 AML other m 2017-02-28T21:44:37.21
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