Earthquake with magnitude of ML 1.5 on date 19-09-2023 and time 12:09:50 (UTC) in region 4 km NW Micigliano (RI)

A magnitude ML 1.5 earthquake occured in region: 4 km NW Micigliano (RI), on

  • 19-09-2023 12:09:50 (UTC)
  • 19-09-2023 14:09:50 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.4840, 13.0260 at 14 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
Micigliano RI 4 127 127
Posta RI 7 694 821
Antrodoco RI 9 2588 3409
Borgo Velino RI 9 972 4381
Borbona RI 9 617 4998
Castel Sant'Angelo RI 10 1308 6306
Leonessa RI 10 2435 8741
Cantalice RI 10 2755 11496
Poggio Bustone RI 12 2055 13551
Cittaducale RI 13 6828 20379
Rivodutri RI 14 1253 21632
Rieti RI 16 47698 69330
Morro Reatino RI 17 373 69703
Cagnano Amiterno AQ 17 1369 71072
Concerviano RI 18 291 71363
Montereale AQ 19 2581 73944
Cittareale RI 19 482 74426
Polino TR 19 233 74659
Labro RI 19 374 75033
Monteleone di Spoleto PG 20 599 75632

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km E of Terni (111501 inhabitants)
34 Km W of L'Aquila (69753 inhabitants)
59 Km SE of Foligno (57155 inhabitants)
59 Km W of Teramo (54892 inhabitants)
59 Km NE of Guidonia Montecelio (88673 inhabitants)
61 Km NE of Tivoli (56533 inhabitants)
76 Km E of Viterbo (67173 inhabitants)
79 Km NE of Roma (2864731 inhabitants)
87 Km SE of Perugia (166134 inhabitants)
91 Km N of Velletri (53303 inhabitants)
92 Km W of Montesilvano (53738 inhabitants)
95 Km W of Chieti (51815 inhabitants)
98 Km W of Pescara (121014 inhabitants)
100 Km NE of Pomezia (62966 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 1.5 2023-09-19
12:09:50
42.4843 13.0262 14 2023-09-19
12:24:46
Sala Sismica INGV-Roma 121230721
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-09-19 12:09:50 ± 0.09
Latitude 42.4843 ± 0.0045
Longitude 13.0262 ± 0.0049
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 121230721

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 530
Semi-minor axis of confidence ellipse (meter) 149
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 209
Circular confidence region, given by single value of horizontal uncertainty (meter) 530.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 151
Number of associated phases, regardless of their use for origin computation 40
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.61963
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 12
Magnitude information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 121230721
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-09-19 12:24:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
FR.SAOF.HHZ.00 2023-09-19T12:11:41.47 3.0 undecidable manual Sn 9.66 0
GU.MGRO.HHZ. 2023-09-19T12:11:30.80 3.0 undecidable manual Sn 3.28 0
IV.ACER.HHZ. 2023-09-19T12:11:22.85 3.0 undecidable manual Sg 14.55 0
IV.CTI.HHZ. 2023-09-19T12:11:18.51 3.0 undecidable manual Sg 17.049999 0
IV.MRVN.HHZ. 2023-09-19T12:11:17.44 3.0 undecidable manual Sg 11.24 0
7C.SPAOL.HNZ. 2023-09-19T12:11:12.04 3.0 undecidable manual Pn 4.49 0
GU.IMI.HHZ. 2023-09-19T12:11:00.48 3.0 positive manual Pg 20.299999 0
IV.CAR1.HHZ. 2023-09-19T12:10:56.56 3.0 negative manual Pn 6.8 0
OT.OT12.EHZ. 2023-09-19T12:10:52.07 3.0 undecidable manual Sn -0.58 0
GU.GBOS.HHZ. 2023-09-19T12:10:46.23 3.0 undecidable manual Pn 4.82 0
IV.ROVR.HNZ. 2023-09-19T12:10:23.58 3.0 undecidable manual Pn -0.91 0
IV.TOLF.HHZ. 2023-09-19T12:10:15.08 3.0 undecidable manual P 7.5 0
IV.ARRO.EHZ. 2023-09-19T12:10:12.71 3.0 undecidable manual S 0
IV.ASSB.HHZ. 2023-09-19T12:10:12.08 1.0 undecidable manual S 334 68.7756 93 0.33 21
IV.ARRO.EHZ. 2023-09-19T12:10:09.12 3.0 undecidable manual P 0
IV.LRP.EHZ. 2023-09-19T12:10:07.59 3.0 undecidable manual P -1.78 0
IV.MC2.EHE. 2023-09-19T12:10:07.01 0.6 undecidable manual S 16 49.2174 95 0.47 42
IV.MMO1.EHZ. 2023-09-19T12:10:07.57 0.6 undecidable manual S 28 52.2033 95 0.25 44
IV.MOMA.HHZ. 2023-09-19T12:10:07.36 0.3 undecidable manual S 314 51.4152 95 0.24 68
IV.RCAV.EHZ. 2023-09-19T12:10:07.82 3.0 undecidable manual P 1.19 0
IV.TERO.HHZ. 2023-09-19T12:10:06.15 0.6 undecidable manual S 72 49.617 95 -0.51 42
7F.SIB2.EHZ. 2023-09-19T12:10:06.75 0.3 undecidable manual S 27 50.5161 95 -0.13 69
7F.SIB1.EHN. 2023-09-19T12:10:06.88 0.6 undecidable manual S 24 49.7169 95 0.22 45
IV.ASSB.HHZ. 2023-09-19T12:10:02.89 0.1 undecidable manual P 334 68.7756 93 -0.05 89
IV.SMA1.EHZ. 2023-09-19T12:10:01.65 0.6 undecidable manual S 57 30.0477 100 0.19 46
IV.MMO1.EHZ. 2023-09-19T12:10:00.24 0.3 undecidable manual P 28 52.2033 95 -0.15 68
IV.MOMA.HHZ. 2023-09-19T12:10:00.47 0.1 undecidable manual P 314 51.4152 95 0.2 91
IV.FIAM.HHZ. 2023-09-19T12:10:00.16 0.6 undecidable manual S 163 25.1526 104 -0.02 48
IV.MC2.EHE. 2023-09-19T12:10:00.21 0.6 undecidable manual P 16 49.2174 95 0.28 44
7F.SIB1.EHN. 2023-09-19T12:09:59.89 0.3 undecidable manual P 24 49.7169 95 -0.12 69
IV.GAVE.EHZ. 2023-09-19T12:09:59.77 0.3 undecidable manual S 335 25.4523 103 -0.49 66
IV.TERO.HHZ. 2023-09-19T12:09:59.76 0.6 undecidable manual P 72 49.617 95 -0.24 45
7F.SIB2.EHZ. 2023-09-19T12:09:59.87 0.3 undecidable manual P 27 50.5161 95 -0.26 67
IV.RM33.EHZ. 2023-09-19T12:09:57.85 0.6 undecidable manual S 80 15.6732 119 0.04 49
IV.SMA1.EHZ. 2023-09-19T12:09:57.28 1.0 negative manual P 57 30.0477 100 0.28 23
IV.FIAM.HHZ. 2023-09-19T12:09:56.40 1.0 undecidable manual P 163 25.1526 104 0.14 24
IV.GAVE.EHZ. 2023-09-19T12:09:56.27 0.1 undecidable manual P 335 25.4523 103 -0.04 96
IV.LNSS.HHZ. 2023-09-19T12:09:56.96 0.6 undecidable manual S 5 13.1757 126 -0.3 47
IV.RM33.EHZ. 2023-09-19T12:09:55.13 0.6 undecidable manual P 80 15.6732 119 0.23 48
IV.LNSS.HHZ. 2023-09-19T12:09:54.59 0.1 undecidable manual P 5 13.1757 126 0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HHE. ML:1.7 0.0004290000000000001 0.14 AML other m 2023-09-19T12:09:57.17
IV.LNSS.HHN. ML:1.6 0.00035350000000000003 1.08 AML other m 2023-09-19T12:09:57.82
IV.NRCA.HHN. ML:1.4 0.00008645 0.4 AML other m 2023-09-19T12:09:57.63
IV.NRCA.HHE. ML:1.6 0.00014275 0.08 AML other m 2023-09-19T12:09:57.63
IV.RM33.EHN. ML:1.0 0.000079 1.5 AML other m 2023-09-19T12:09:58.11
IV.RM33.EHE. ML:1.1 0.0001106 0.3 AML other m 2023-09-19T12:09:58.13
IV.GAVE.EHN. ML:1.5 0.0001575 0.22 AML other m 2023-09-19T12:10:00.52
IV.GAVE.EHE. ML:1.5 0.0001735 0.54 AML other m 2023-09-19T12:10:00.42
IV.SMA1.EHN. ML:1.6 0.000186 1.74 AML other m 2023-09-19T12:10:01.94
IV.SMA1.EHE. ML:1.6 0.00020500000000000002 0.18 AML other m 2023-09-19T12:10:02.15
IV.ARRO.EHE. ML:1.2 0.00009035 0.52 AML other m 2023-09-19T12:10:13.21
IV.ARRO.EHN. ML:1.2 0.00009334999999999999 0.18 AML other m 2023-09-19T12:10:14.63
IV.LRP.EHN. ML:1.4 0.000022850000000000003 0.16 AML other m 2023-09-19T12:10:34.38
IV.LRP.EHE. ML:1.6 0.00003735 0.94 AML other m 2023-09-19T12:10:34.77
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