Earthquake with magnitude of ML 0.8 on date 12-04-2020 and time 21:26:52 (Italy) in region 5 km E Cittareale (RI)

A magnitude ML 0.8 earthquake occured in region: 5 km E Cittareale (RI), on

  • 12-04-2020 19:26:52 (UTC)
  • 12-04-2020 21:26:52 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6180, 13.2230 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
Cittareale RI 5 482 482
Amatrice RI 6 2657 3139
Accumoli RI 9 667 3806
Montereale AQ 10 2581 6387
Capitignano AQ 13 665 7052
Borbona RI 14 617 7669
Campotosto AQ 14 542 8211
Posta RI 15 694 8905
Cagnano Amiterno AQ 18 1369 10274
Arquata del Tronto AP 18 1178 11452
Barete AQ 19 737 12189

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km NW of L'Aquila (69753 inhabitants)
40 Km W of Teramo (54892 inhabitants)
48 Km E of Terni (111501 inhabitants)
57 Km SE of Foligno (57155 inhabitants)
77 Km W of Montesilvano (53738 inhabitants)
80 Km NE of Guidonia Montecelio (88673 inhabitants)
81 Km NE of Tivoli (56533 inhabitants)
83 Km W of Chieti (51815 inhabitants)
83 Km W of Pescara (121014 inhabitants)
87 Km SE of Perugia (166134 inhabitants)
94 Km E of Viterbo (67173 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 0.8 2020-04-12
19:26:52
42.6175 13.2232 11 2020-04-12
19:32:47
Sala Sismica INGV-Roma 78148531
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-04-12 19:26:52 ± 0.06
Latitude 42.6175 ± 0.0054
Longitude 13.2232 ± 0.0061
Depth (km) 11 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 78148531

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 620
Semi-minor axis of confidence ellipse (meter) 480
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 351
Circular confidence region, given by single value of horizontal uncertainty (meter) 620.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 81
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.04676
Epicentral distance of station farthest from the epicenter (degree) 0.40829
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 78148531
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-04-12 19:32:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MMO1.EHZ. 2020-04-12T19:27:04.03 0.3 undecidable manual S 15 32.3454 90 0.17 70
IV.TERO.HHZ. 2020-04-12T19:27:03.02 0.3 undecidable manual S 89 31.0467 90 -0.49 67
IV.NRCA.HHZ. 2020-04-12T19:27:01.76 0.3 undecidable manual S 340 25.5522 90 -0.28 69
IV.MF5.EHZ. 2020-04-12T19:27:01.61 0.1 undecidable manual P 25 45.3213 90 0.44 87
IV.MTRA.EHZ. 2020-04-12T19:27:00.41 0.3 undecidable manual S 42 20.9679 90 -0.4 69
IV.LNSS.HHZ. 2020-04-12T19:26:59.20 0.3 undecidable manual S 264 14.9739 90 -0.02 73
IV.CAMP.HHZ. 2020-04-12T19:26:59.50 0.6 undecidable manual S 121 17.6712 90 -0.43 46
IV.MMO1.EHZ. 2020-04-12T19:26:59.16 0.1 undecidable manual P 15 32.3454 90 -0.01 97
IV.TERO.HHZ. 2020-04-12T19:26:58.84 0.1 undecidable manual P 89 31.0467 90 -0.12 96
IV.RM33.EHZ. 2020-04-12T19:26:58.19 0.1 undecidable manual S 183 12.0768 107 -0.25 95
IV.NRCA.HHZ. 2020-04-12T19:26:58.05 0.1 undecidable manual P 340 25.5522 90 -0.07 96
IV.SMA1.EHZ. 2020-04-12T19:26:57.92 0.3 undecidable manual S 81 9.2796 124 0.15 73
IV.MTRA.EHZ. 2020-04-12T19:26:57.36 0.1 undecidable manual P 42 20.9679 90 -0.04 99
IV.RM33.EHZ. 2020-04-12T19:26:56.13 0.1 undecidable manual P 183 12.0768 107 0.09 100
IV.LNSS.HHZ. 2020-04-12T19:26:56.57 0.1 undecidable manual P 264 14.9739 90 0.08 100
IV.CAMP.HHZ. 2020-04-12T19:26:56.74 0.3 undecidable manual P 121 17.6712 90 -0.16 73
IV.SMA1.EHZ. 2020-04-12T19:26:56.00 0.1 undecidable manual P 81 9.2796 124 0.35 94
IV.T1299.EHE. 2020-04-12T19:26:56.98 0.3 undecidable manual S 69 5.1948 147 -0.03 76
IV.T1299.EHE. 2020-04-12T19:26:55.48 0.1 undecidable manual P 69 5.1948 147 0.27 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHE. ML:1.4 0.0003085 0.58 AML other m 2020-04-12T19:26:58.27
IV.RM33.EHN. ML:0.8 0.00007209999999999999 0.48 AML other m 2020-04-12T19:26:58.59
IV.RM33.EHE. ML:1.1 0.00014350000000000002 0.64 AML other m 2020-04-12T19:26:58.76
IV.SMA1.EHN. ML:1.0 0.0001235 0.96 AML other m 2020-04-12T19:26:58.61
IV.LNSS.HHN. ML:0.8 0.00006395000000000001 0.34 AML other m 2020-04-12T19:26:59.33
IV.LNSS.HHE. ML:0.9 0.0000718 0.14 AML other m 2020-04-12T19:26:59.44
IV.NRCA.HHE. ML:0.8 0.00003335 1.02 AML other m 2020-04-12T19:27:02.20
IV.NRCA.HHN. ML:0.7 0.000029400000000000003 0.1 AML other m 2020-04-12T19:27:02.71
IV.TERO.HHE. ML:0.5 0.0000132 1.18 AML other m 2020-04-12T19:27:03.28
IV.TERO.HHN. ML:0.5 0.000014449999999999999 0.1 AML other m 2020-04-12T19:27:04.23
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