Earthquake with magnitude of ML 1.2 on date 12-04-2023 and time 02:59:56 (Italy) in region 4 km NE Trevi (PG)

A magnitude ML 1.2 earthquake occured in region: 4 km NE Trevi (PG), on

  • 12-04-2023 00:59:56 (UTC)
  • 12-04-2023 02:59:56 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9070, 12.7790 at 17 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
Trevi PG 4 8469 8469
Foligno PG 8 57155 65624
Campello sul Clitunno PG 10 2442 68066
Montefalco PG 10 5679 73745
Sellano PG 12 1079 74824
Castel Ritaldi PG 13 3278 78102
Spello PG 13 8645 86747
Bevagna PG 14 5081 91828
Cerreto di Spoleto PG 15 1075 92903
Vallo di Nera PG 17 364 93267
Valtopina PG 17 1398 94665
Gualdo Cattaneo PG 18 6155 100820
Giano dell'Umbria PG 18 3846 104666
Cannara PG 19 4305 108971
Spoleto PG 19 38218 147189
Sant'Anatolia di Narco PG 20 564 147753

Municipalities with at least 50000 inhabitants

An earthquake occurred to
8 Km SE of Foligno (57155 inhabitants)
39 Km SE of Perugia (166134 inhabitants)
40 Km N of Terni (111501 inhabitants)
77 Km NE of Viterbo (67173 inhabitants)
80 Km NW of L'Aquila (69753 inhabitants)
80 Km W of Teramo (54892 inhabitants)
96 Km SE of Arezzo (99543 inhabitants)
99 Km SW of Ancona (100861 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 2023-04-12
00:59:56
42.907 12.7793 17 2023-04-12
01:04:55
Sala Sismica INGV-Roma 116294501
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-12 00:59:56 ± 0.08
Latitude 42.9070 ± 0.0018
Longitude 12.7793 ± 0.0037
Depth (km) 17 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 116294501

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 290
Semi-minor axis of confidence ellipse (meter) 64
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 293
Circular confidence region, given by single value of horizontal uncertainty (meter) 290.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 91
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.11
Epicentral distance of station closest to the epicenter (degree) 0.13400
Epicentral distance of station farthest from the epicenter (degree) 0.36153
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:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 19
Type of magnitude ML
Reference to an origin 116294501
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-12 01:04:55
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2023-04-12T01:00:10.25 0.3 undecidable manual S 59 40.1265 102 0.28 68
IV.ARRO.EHZ. 2023-04-12T01:00:09.04 0.3 undecidable manual S 182 36.3414 103 0.05 71
IV.ATCC.EHZ. 2023-04-12T01:00:08.41 0.3 undecidable manual S 340 32.8449 105 0.33 68
IV.NRCA.HHZ. 2023-04-12T01:00:07.11 0.3 undecidable manual S 107 28.4493 109 0.16 71
IV.GAVE.EHZ. 2023-04-12T01:00:06.27 0.3 undecidable manual S 159 25.5522 112 0.03 73
IV.MML1.EHZ. 2023-04-12T01:00:06.68 0.3 undecidable manual S 34 27.75 110 -0.09 72
IV.FDMO.HHZ. 2023-04-12T01:00:06.97 0.3 undecidable manual S 60 28.8489 109 -0.08 72
IV.MOMA.HHZ. 2023-04-12T01:00:05.01 0.6 undecidable manual S 236 20.4684 119 0 49
IV.ASSB.HHZ. 2023-04-12T01:00:04.38 0.6 undecidable manual S 327 17.9709 123 -0.05 49
IV.CSP1.EHZ. 2023-04-12T01:00:04.35 0.6 positive manual P 59 40.1265 102 0.01 48
IV.CESI.HHZ. 2023-04-12T01:00:03.81 0.3 undecidable manual S 43 14.874 130 0.04 75
IV.ATCC.EHZ. 2023-04-12T01:00:03.20 0.3 positive manual P 340 32.8449 105 -0.05 72
IV.ARRO.EHZ. 2023-04-12T01:00:03.80 1.0 positive manual P 182 36.3414 103 0.03 24
IV.NRCA.HHZ. 2023-04-12T01:00:02.44 0.1 undecidable manual P 107 28.4493 109 -0.15 95
IV.GAVE.EHZ. 2023-04-12T01:00:02.16 0.6 negative manual P 159 25.5522 112 -0.03 49
IV.MML1.EHZ. 2023-04-12T01:00:02.36 0.6 positive manual P 34 27.75 110 -0.13 48
IV.FDMO.HHZ. 2023-04-12T01:00:02.48 0.6 positive manual P 60 28.8489 109 -0.17 47
IV.ASSB.HHZ. 2023-04-12T01:00:01.11 0.3 positive manual P 327 17.9709 123 -0.03 74
IV.MOMA.HHZ. 2023-04-12T01:00:01.37 0.6 negative manual P 236 20.4684 119 -0.11 49
IV.CESI.HHZ. 2023-04-12T01:00:00.75 0.1 positive manual P 43 14.874 130 -0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHE. ML:1.0 0.00007257679999999999 0.08 AML other m 2023-04-12T01:00:03.96
IV.CESI.HHN. ML:1.4 0.0001715 1.82 AML other m 2023-04-12T01:00:03.98
IV.ASSB.HHN. ML:1.5 0.0002165 0.12 AML other m 2023-04-12T01:00:04.48
IV.ASSB.HHE. ML:1.8 0.000377 0.16 AML other m 2023-04-12T01:00:04.48
IV.GAVE.HNE. ML:1.5 0.00014817994 0.1504 AML other m 2023-04-12T01:00:06.90
IV.MML1.EHE. ML:0.9 0.000035449999999999994 1.82 AML other m 2023-04-12T01:00:06.07
IV.GAVE.EHE. ML:1.5 0.00015204999999999998 0.16 AML other m 2023-04-12T01:00:06.90
IV.MML1.EHN. ML:0.7 0.000027097795 0.1 AML other m 2023-04-12T01:00:07.18
IV.FDMO.HHN. ML:1.1 0.00005255 0.32 AML other m 2023-04-12T01:00:07.22
IV.GAVE.EHN. ML:1.4 0.0001395 1.8 AML other m 2023-04-12T01:00:07.97
IV.NRCA.HHN. ML:1.3 0.00008255 0.12 AML other m 2023-04-12T01:00:07.20
IV.NRCA.HHE. ML:1.1 0.00005439859499999999 0.1 AML other m 2023-04-12T01:00:07.43
IV.FDMO.HHE. ML:1.0 0.0000471 0.1 AML other m 2023-04-12T01:00:07.33
IV.MOMA.HHE. ML:1.4 0.00013255705000000002 0.18 AML other m 2023-04-12T01:00:05.78
IV.MOMA.HNE. ML:1.3 0.00012958339999999998 0.18 AML other m 2023-04-12T01:00:05.79
IV.ATCC.EHE. ML:0.8 0.000024908610499999996 0.1 AML other m 2023-04-12T01:00:08.50
IV.ATCC.EHN. ML:1.1 0.00005089495 0.24 AML other m 2023-04-12T01:00:08.99
IV.CSP1.EHE. ML:1.3 0.000059446005 0.12 AML other m 2023-04-12T01:00:10.61
IV.CSP1.EHN. ML:1.2 0.000053846455000000004 0.24 AML other m 2023-04-12T01:00:10.35
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