Earthquake with magnitude of ML 1.1 on date 12-02-2020 and time 11:22:35 (Italy) in region 2 km E Cittareale (RI)

A magnitude ML 1.1 earthquake occured in region: 2 km E Cittareale (RI), on

  • 12-02-2020 10:22:35 (UTC)
  • 12-02-2020 11:22:35 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6180, 13.1860 at 13 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Cittareale RI 2 482 482
Amatrice RI 9 2657 3139
Accumoli RI 10 667 3806
Montereale AQ 12 2581 6387
Borbona RI 12 617 7004
Posta RI 13 694 7698
Capitignano AQ 14 665 8363
Campotosto AQ 17 542 8905
Cagnano Amiterno AQ 18 1369 10274
Cascia PG 18 3217 13491
Leonessa RI 19 2435 15926
Arquata del Tronto AP 20 1178 17104
Monteleone di Spoleto PG 20 599 17703

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km NW of L'Aquila (69753 inhabitants)
43 Km W of Teramo (54892 inhabitants)
45 Km E of Terni (111501 inhabitants)
54 Km SE of Foligno (57155 inhabitants)
78 Km NE of Guidonia Montecelio (88673 inhabitants)
79 Km NE of Tivoli (56533 inhabitants)
80 Km W of Montesilvano (53738 inhabitants)
85 Km SE of Perugia (166134 inhabitants)
86 Km W of Chieti (51815 inhabitants)
86 Km W of Pescara (121014 inhabitants)
91 Km E of Viterbo (67173 inhabitants)
99 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
Bulletin
Rev1000
ML 1.1 2020-02-12
10:22:35
42.6182 13.1863 13 2020-07-18
21:08:23
Bollettino Sismico Italiano INGV 77048441
Reviewed
Rev100
ML 1.1 2020-02-12
10:22:35
42.6232 13.1875 12 2020-02-12
10:33:18
Sala Sismica INGV-Roma 76459001
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-12 10:22:35 ± 0.07
Latitude 42.6182 ± 0.0036
Longitude 13.1863 ± 0.0037
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 77048441

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 420
Semi-minor axis of confidence ellipse (meter) 61
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 2
Circular confidence region, given by single value of horizontal uncertainty (meter) 420.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 74
Number of associated phases, regardless of their use for origin computation 41
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.48923
Number of stations at which the event was observed 32
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 77048441
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-03-05 14:47:59

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 76459001
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-02-12 10:33:18
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
HL.VLS.HHZ. 2020-02-12T10:24:22.70 3.0 positive manual Pg 19.48 0
GU.CANO.HHZ. 2020-02-12T10:24:19.27 3.0 undecidable manual Sn 2.73 0
IV.ZONE.HHZ. 2020-02-12T10:24:19.27 3.0 undecidable manual Sn 1.82 0
CR.STON.BHZ. 2020-02-12T10:24:17.22 3.0 undecidable manual Sg 23.389999 0
IV.QLNO.HHZ. 2020-02-12T10:24:17.15 3.0 undecidable manual Sn 0.94 0
IV.SARZ.HHZ. 2020-02-12T10:24:12.33 3.0 undecidable manual Sn -3.04 0
IV.SPS2.HHZ. 2020-02-12T10:24:08.87 3.0 undecidable manual Sg 6.6 0
AC.VLO.HHZ. 2020-02-12T10:23:49.83 3.0 undecidable manual Pg 12.57 0
GU.TRAV.HHZ. 2020-02-12T10:23:44.84 3.0 positive manual Pn 3.41 0
SI.BOSI.HHZ. 2020-02-12T10:23:39.61 3.0 negative manual Pn 7.45 0
IV.IMOL.EHZ. 2020-02-12T10:23:29.48 3.0 undecidable manual Sn -4.56 0
MN.TRI.HHZ. 2020-02-12T10:23:19.06 3.0 positive manual Pn 0.58 0
IV.SENA.HHZ. 2020-02-12T10:23:08.90 3.0 undecidable manual Pn -6.98 0
OT.OT12.EHZ. 2020-02-12T10:22:56.90 3.0 positive manual Pn -0.4 0
IV.VITU.HHZ. 2020-02-12T10:22:50.46 3.0 undecidable manual Pg 1.27 0
IV.MELA.HHZ. 2020-02-12T10:22:49.68 3.0 negative manual Pn -0.03 0
IV.FRON.EHZ. 2020-02-12T10:22:47.43 3.0 undecidable manual Pn -2.5 0
IV.MMO1.EHN. 2020-02-12T10:22:47.42 0.6 undecidable manual S 20 33.2445 94 0.35 47
IV.TERO.HHZ. 2020-02-12T10:22:47.10 0.3 undecidable manual S 89 34.1436 94 -0.2 73
IV.MOMA.HNZ. 2020-02-12T10:22:45.99 0.6 undecidable manual P 293 54.3012 92 0.47 44
IV.RM33.HNE. 2020-02-12T10:22:45.94 3.0 undecidable manual S 12.2766 4.29 0
IV.FAGN.HHZ. 2020-02-12T10:22:45.31 1.0 undecidable manual P 140 50.9157 92 0.32 23
IV.MTRA.HNZ. 2020-02-12T10:22:44.21 0.3 undecidable manual S 48 23.0547 99 -0.16 74
IV.GAVE.EHZ. 2020-02-12T10:22:44.88 0.3 undecidable manual S 289 25.1526 97 -0.06 74
IV.NRCA.HHZ. 2020-02-12T10:22:44.51 0.3 undecidable manual S 346 24.5532 98 -0.27 71
IV.RM33.HNE. 2020-02-12T10:22:43.72 3.0 undecidable manual P 12.2766 4.57 0
IV.FIAM.HNN. 2020-02-12T10:22:43.27 0.6 undecidable manual P 188 39.2274 93 0.06 49
IV.CAMP.HHE. 2020-02-12T10:22:43.46 0.3 undecidable manual S 117 20.3685 102 -0.2 75
IV.MC2.EHN. 2020-02-12T10:22:42.19 0.3 undecidable manual P 0 32.5452 95 0.02 75
IV.MMO1.EHN. 2020-02-12T10:22:42.63 0.3 undecidable manual P 20 33.2445 94 0.35 70
IV.TERO.HHZ. 2020-02-12T10:22:42.33 0.1 undecidable manual P 89 34.1436 94 -0.08 99
IT.VNF1.HGZ. 2020-02-12T10:22:41.03 3.0 positive manual P -1.92 0
IV.LNSS.HHZ. 2020-02-12T10:22:41.48 0.3 undecidable manual S 262 12.0768 122 -0.11 76
IV.SMA1.EHE. 2020-02-12T10:22:41.66 0.3 undecidable manual S 84 12.2766 121 0.03 77
IV.GAVE.EHZ. 2020-02-12T10:22:41.02 0.1 undecidable manual P 289 25.1526 97 -0.03 100
IV.CAMP.HHE. 2020-02-12T10:22:40.27 0.3 undecidable manual P 117 20.3685 102 -0.04 77
IV.MTRA.HNZ. 2020-02-12T10:22:40.68 0.3 undecidable manual P 48 23.0547 99 -0.04 76
IV.NRCA.HHZ. 2020-02-12T10:22:40.89 0.3 undecidable manual P 346 24.5532 98 -0.07 75
IV.SMA1.EHE. 2020-02-12T10:22:39.40 0.3 undecidable manual P 84 12.2766 121 0.26 74
IV.LNSS.HHZ. 2020-02-12T10:22:39.17 0.3 undecidable manual P 262 12.0768 122 0.06 77
IV.T1299.HNZ. 2020-02-12T10:22:38.80 0.6 undecidable manual P 77 7.9809 138 0.16 50
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HHN. ML:1.1 0.00011427956 0.096 AML other m 2020-02-12T10:22:41.55
IV.LNSS.HHE. ML:1.1 0.000120027 0.096 AML other m 2020-02-12T10:22:41.60
IV.LNSS.HNN. ML:0.9 0.0000743458 0.3648 AML other m 2020-02-12T10:22:41.61
IV.LNSS.HNE. ML:1.2 0.00015330061000000001 1.6864 AML other m 2020-02-12T10:22:42.94
IV.TERO.HNN. ML:1.4 0.00008968104 0.6464 AML other m 2020-02-12T10:22:47.49
IV.TERO.HHN. ML:0.8 0.0000257439 0.064 AML other m 2020-02-12T10:22:47.41
IV.TERO.HNE. ML:1.4 0.00011183787 0.8 AML other m 2020-02-12T10:22:47.19
IV.TERO.HHE. ML:0.8 0.000026076620000000002 0.064 AML other m 2020-02-12T10:22:47.70
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