Earthquake with magnitude of ML 0.8 on date 02-04-2023 and time 05:33:07 (UTC) in region 4 km E Trevi (PG)

A magnitude ML 0.8 earthquake occured in region: 4 km E Trevi (PG), on

  • 02-04-2023 05:33:07 (UTC)
  • 02-04-2023 07:33:07 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8860, 12.7990 at 10 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
Campello sul Clitunno PG 7 2442 10911
Sellano PG 11 1079 11990
Foligno PG 11 57155 69145
Montefalco PG 12 5679 74824
Cerreto di Spoleto PG 12 1075 75899
Castel Ritaldi PG 12 3278 79177
Vallo di Nera PG 14 364 79541
Spello PG 16 8645 88186
Bevagna PG 16 5081 93267
Sant'Anatolia di Narco PG 17 564 93831
Spoleto PG 17 38218 132049
Giano dell'Umbria PG 19 3846 135895
Scheggino PG 19 461 136356
Preci PG 20 724 137080
Valtopina PG 20 1398 138478

Municipalities with at least 50000 inhabitants

An earthquake occurred to
11 Km SE of Foligno (57155 inhabitants)
38 Km NE of Terni (111501 inhabitants)
42 Km SE of Perugia (166134 inhabitants)
77 Km NE of Viterbo (67173 inhabitants)
77 Km NW of L'Aquila (69753 inhabitants)
78 Km W of Teramo (54892 inhabitants)
99 Km N of Guidonia Montecelio (88673 inhabitants)
99 Km SE of Arezzo (99543 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 2023-04-02
05:33:07
42.8857 12.7993 10 2023-04-02
05:44:51
Sala Sismica INGV-Roma 115962971
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-02 05:33:07 ± 0.12
Latitude 42.8857 ± 0.0063
Longitude 12.7993 ± 0.0061
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 115962971

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 663
Semi-minor axis of confidence ellipse (meter) 483
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 4
Circular confidence region, given by single value of horizontal uncertainty (meter) 660.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 224
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.25990
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 5
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 115962971
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-02 05:44:51
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MGR.HHZ. 2023-04-02T05:34:37.62 3.0 undecidable manual Sn 0.89 0
IX.SCL3.EHZ.02 2023-04-02T05:34:24.24 3.0 undecidable manual Sn -0.25 0
IV.EPOZ.HHZ. 2023-04-02T05:34:22.26 3.0 undecidable manual Pn 0.73 0
IV.PIPA.HHZ. 2023-04-02T05:34:21.18 3.0 undecidable manual Pg 16.219999 0
IV.CSNT.HHZ. 2023-04-02T05:33:48.64 3.0 undecidable manual Sg 8.26 0
IV.TRIF.CHZ. 2023-04-02T05:33:48.19 3.0 undecidable manual Sn 0 0
IV.MML1.EHZ. 2023-04-02T05:33:17.91 0.3 undecidable manual S 29 28.8489 50 0.12 72
IV.FDMO.HHZ. 2023-04-02T05:33:17.62 0.1 undecidable manual S 54 28.749 50 -0.14 96
IV.IMOL.HNZ. 2023-04-02T05:33:17.47 3.0 negative manual P -0.01 0
IV.ASSB.HHZ. 2023-04-02T05:33:15.57 0.1 undecidable manual S 327 20.7681 116 0.1 98
IV.MML1.EHZ. 2023-04-02T05:33:13.36 0.3 undecidable manual P 29 28.8489 50 -0.05 73
IV.FDMO.HHZ. 2023-04-02T05:33:13.49 0.1 undecidable manual P 54 28.749 50 0.1 97
IV.CESI.HHZ. 2023-04-02T05:33:13.88 0.1 undecidable manual S 33 15.7731 123 -0.06 100
IV.NRCA.HHZ. 2023-04-02T05:33:13.04 0.1 undecidable manual P 103 26.2515 50 0.03 99
IV.CESI.HHZ. 2023-04-02T05:33:11.31 0.1 undecidable manual P 33 15.7731 123 0.12 99
IV.ASSB.HHZ. 2023-04-02T05:33:11.87 0.1 undecidable manual P 327 20.7681 116 -0.2 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHE. ML:0.8 0.000053 0.72 AML other m 2023-04-02T05:33:13.01
IV.CESI.HHN. ML:1.0 0.00008324999999999999 0.68 AML other m 2023-04-02T05:33:14.50
IV.NRCA.HHN. ML:0.6 0.000026249999999999998 0.54 AML other m 2023-04-02T05:33:19.69
IV.NRCA.HHE. ML:0.6 0.000022850000000000003 1.34 AML other m 2023-04-02T05:33:20.75
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