Earthquake with magnitude of ML 1.2 on date 28-02-2017 and time 22:36:55 (Italy) in region 5 km N Montereale (AQ)

A magnitude ML 1.2 earthquake occured in region: 5 km N Montereale (AQ), on

  • 28-02-2017 21:36:55 (UTC)
  • 28-02-2017 22:36:55 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.5730, 13.2490 at 13 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
Montereale AQ 5 2581 2581
Amatrice RI 7 2657 5238
Capitignano AQ 7 665 5903
Cittareale RI 9 482 6385
Campotosto AQ 10 542 6927
Borbona RI 12 617 7544
Cagnano Amiterno AQ 13 1369 8913
Accumoli RI 14 667 9580
Posta RI 14 694 10274
Barete AQ 14 737 11011
Pizzoli AQ 16 4326 15337
Crognaleto TE 19 1297 16634

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km NW of L'Aquila (69753 inhabitants)
39 Km W of Teramo (54892 inhabitants)
49 Km E of Terni (111501 inhabitants)
62 Km SE of Foligno (57155 inhabitants)
74 Km W of Montesilvano (53738 inhabitants)
77 Km NE of Guidonia Montecelio (88673 inhabitants)
77 Km NE of Tivoli (56533 inhabitants)
79 Km W of Chieti (51815 inhabitants)
80 Km W of Pescara (121014 inhabitants)
92 Km SE of Perugia (166134 inhabitants)
95 Km E of Viterbo (67173 inhabitants)
98 Km NE of Roma (2864731 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 2017-02-28
21:36:55
42.5733 13.2492 13 2017-02-28
21:47:23
Sala Sismica INGV-Roma 41774591
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-02-28 21:36:55 ± 0.09
Latitude 42.5733 ± 0.0045
Longitude 13.2492 ± 0.0061
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 41774591

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 501
Semi-minor axis of confidence ellipse (meter) 342
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 346
Circular confidence region, given by single value of horizontal uncertainty (meter) 500.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 123
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.29318
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 6
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.1
Num. used stations 3
Type of magnitude ML
Reference to an origin 41774591
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-02-28 21:47:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.APEC.HHZ. 2017-02-28T21:37:16.79 3.0 negative manual P 0.33 0
IV.T1219.EHZ. 2017-02-28T21:37:13.91 3.0 undecidable manual S -0.16 0
IV.T1211.EHZ. 2017-02-28T21:37:06.50 0.1 undecidable manual S 262 32.5452 95 -0.17 94
IV.TERO.HHZ. 2017-02-28T21:37:05.73 0.1 undecidable manual S 79 29.4483 96 -0.15 95
IV.T1219.EHZ. 2017-02-28T21:37:05.70 3.0 positive manual P -0.16 0
IV.FIAM.HHZ. 2017-02-28T21:37:02.66 3.0 negative manual P 0.03 0
IV.LNSS.HHZ. 2017-02-28T21:37:02.61 0.1 undecidable manual S 281 17.3715 107 -0.08 99
IV.TERO.HHZ. 2017-02-28T21:37:01.52 0.1 undecidable manual P 79 29.4483 96 0.02 98
IV.T1211.EHZ. 2017-02-28T21:37:01.93 0.6 positive manual P 262 32.5452 95 -0.03 48
IV.T1299.EHZ. 2017-02-28T21:37:00.35 0.1 undecidable manual S 22 7.2927 142 -0.09 100
IV.RM33.EHZ. 2017-02-28T21:37:00.35 0.1 undecidable manual S 202 7.6812 140 -0.16 99
IV.T1222.EHZ. 2017-02-28T21:37:00.99 0.6 positive manual P 222 25.752 97 0.06 49
IV.LNSS.HHZ. 2017-02-28T21:36:59.80 0.3 positive manual P 281 17.3715 107 0.14 73
IV.RM33.EHZ. 2017-02-28T21:36:58.64 0.1 undecidable manual P 202 7.6812 140 0.24 97
IV.T1299.EHZ. 2017-02-28T21:36:58.65 0.3 negative manual P 22 7.2927 142 0.28 72
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HHN. ML:1.2 0.0001235 0.32 AML other m 2017-02-28T21:37:02.96
IV.LNSS.HHE. ML:1.1 0.00010125000000000001 0.5 AML other m 2017-02-28T21:37:04.07
IV.RM33.EHN. ML:1.3 0.00023299999999999997 0.52 AML other m 2017-02-28T21:37:00.68
IV.RM33.EHE. ML:1.4 0.00028399999999999996 0.6 AML other m 2017-02-28T21:37:00.86
IV.T1299.EHN. ML:1.0 0.0001265 1 AML other m 2017-02-28T21:37:00.96
IV.T1299.EHE. ML:1.1 0.000152 1.02 AML other m 2017-02-28T21:37:01.62
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