Earthquake with magnitude of ML 2.0 on date 12-12-2023 and time 02:34:58 (Italy) in region 2 km NE Spoleto (PG)

A magnitude ML 2.0 earthquake occured in region: 2 km NE Spoleto (PG), on

  • 12-12-2023 01:34:58 (UTC)
  • 12-12-2023 02:34:58 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7460, 12.7570 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
Spoleto PG 2 38218 38218
Sant'Anatolia di Narco PG 7 564 38782
Scheggino PG 7 461 39243
Campello sul Clitunno PG 9 2442 41685
Vallo di Nera PG 9 364 42049
Castel Ritaldi PG 11 3278 45327
Ferentillo TR 14 1913 47240
Trevi PG 15 8469 55709
Poggiodomo PG 15 117 55826
Cerreto di Spoleto PG 16 1075 56901
Montefranco TR 17 1276 58177
Giano dell'Umbria PG 18 3846 62023
Arrone TR 18 2763 64786
Acquasparta TR 18 4778 69564
Montefalco PG 19 5679 75243
Monteleone di Spoleto PG 19 599 75842
Polino TR 19 233 76075
Massa Martana PG 19 3770 79845

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km NE of Terni (111501 inhabitants)
24 Km S of Foligno (57155 inhabitants)
50 Km SE of Perugia (166134 inhabitants)
65 Km NE of Viterbo (67173 inhabitants)
69 Km NW of L'Aquila (69753 inhabitants)
78 Km W of Teramo (54892 inhabitants)
83 Km N of Guidonia Montecelio (88673 inhabitants)
87 Km N of Tivoli (56533 inhabitants)
97 Km N 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
Reviewed
Rev100
ML 2.0 2023-12-12
01:34:58
42.7462 12.7567 10 2023-12-12
04:36:22
Sala Sismica INGV-Roma 123973091
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-12-12 01:34:58 ± 0.09
Latitude 42.7462 ± 0.0072
Longitude 12.7567 ± 0.0098
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 123973091

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 942
Semi-minor axis of confidence ellipse (meter) 590
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 226
Circular confidence region, given by single value of horizontal uncertainty (meter) 940.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 71
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.70597
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 19
Magnitude information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 20
Type of magnitude ML
Reference to an origin 123973091
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-12-12 04:36:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CING.HHZ. 2023-12-12T01:35:23.70 0.3 undecidable manual S 27 78.366 50 1.3 42
IV.MF5.EHZ. 2023-12-12T01:35:20.22 0.6 undecidable manual S 65 63.0924 50 1.88 20
IV.FIAM.HHZ. 2023-12-12T01:35:17.89 1.0 undecidable manual S -0.76 0.51
IV.CING.HHZ. 2023-12-12T01:35:12.37 1.0 negative manual P 27 78.366 50 -0.05 22
IV.MF5.EHZ. 2023-12-12T01:35:10.32 0.1 undecidable manual P 65 63.0924 50 0.25 88
IV.TERO.HHZ. 2023-12-12T01:35:10.95 0.6 positive manual P 101 70.4739 50 -0.25 43
IV.SNTG.HHZ. 2023-12-12T01:35:09.05 0.1 undecidable manual P 15 58.3971 50 -0.29 88
IV.CSP1.EHZ. 2023-12-12T01:35:08.32 1.0 positive manual P 43 52.9026 50 -0.17 23
IV.LNSS.HHZ. 2023-12-12T01:35:08.67 0.3 undecidable manual S 124 28.0497 50 -0.31 69
IV.SMA1.EHZ. 2023-12-12T01:35:08.03 1.0 negative manual P 105 48.9177 50 0.15 23
IV.MMO1.EHZ. 2023-12-12T01:35:07.82 0.1 negative manual P 70 49.4172 50 -0.14 92
IV.RM33.EHZ. 2023-12-12T01:35:07.33 0.6 positive manual P 125 45.7209 50 -0.06 47
IV.FDMO.HHZ. 2023-12-12T01:35:06.76 0.6 positive manual P 40 41.9247 50 -0.05 48
IV.ARRO.EHZ. 2023-12-12T01:35:06.33 0.3 undecidable manual S 178 18.5703 118 0.24 71
IV.MML1.EHZ. 2023-12-12T01:35:06.98 0.6 negative manual P 23 44.3223 50 -0.2 46
IV.MOMA.HHZ. 2023-12-12T01:35:05.43 0.3 undecidable manual S 293 16.4724 121 -0.04 75
IV.ASSB.HHZ. 2023-12-12T01:35:05.33 0.6 positive manual P 346 33.8439 50 -0.23 46
IV.LNSS.HHZ. 2023-12-12T01:35:04.58 0.6 positive manual P 124 28.0497 50 -0.09 48
IV.GAVE.EHZ. 2023-12-12T01:35:04.28 0.3 undecidable manual S 118 12.6762 128 -0.11 74
IV.NRCA.HHZ. 2023-12-12T01:35:04.66 0.1 undecidable manual P 71 30.6471 50 -0.41 90
IV.CESI.HHZ. 2023-12-12T01:35:04.98 0.6 negative manual P 23 31.1466 50 -0.16 47
IV.ARRO.EHZ. 2023-12-12T01:35:03.22 0.1 undecidable manual P 178 18.5703 118 0.22 96
IV.CESX.HHZ. 2023-12-12T01:35:03.61 0.1 undecidable manual P 222 20.6682 116 0.24 95
IV.MOMA.HHZ. 2023-12-12T01:35:02.52 0.1 undecidable manual P 293 16.4724 121 -0.12 98
IV.GAVE.EHZ. 2023-12-12T01:35:01.97 0.1 undecidable manual P 118 12.6762 128 -0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GAVE.HNE. ML:2.4 0.002485 1.08 AML other m 2023-12-12T01:35:04.16
IV.GAVE.EHE. ML:2.4 0.002485 0.62 AML other m 2023-12-12T01:35:05.48
IV.GAVE.EHN. ML:2.5 0.0032749999999999997 0.24 AML other m 2023-12-12T01:35:05.49
IV.GAVE.HNN. ML:2.0 0.0010465 0.24 AML other m 2023-12-12T01:35:05.49
IV.MOMA.HNN. ML:2.0 0.000828 0.36 AML other m 2023-12-12T01:35:06.67
IV.MOMA.HHE. ML:2.0 0.0009410000000000001 0.32 AML other m 2023-12-12T01:35:06.66
IV.MOMA.HNE. ML:1.9 0.000754 0.72 AML other m 2023-12-12T01:35:06.83
IV.MOMA.HHN. ML:1.9 0.000794 1.08 AML other m 2023-12-12T01:35:07.90
IV.ARRO.EHN. ML:1.8 0.000537 1.26 AML other m 2023-12-12T01:35:08.12
IV.CESX.HHN. ML:1.8 0.0005085 0.7 AML other m 2023-12-12T01:35:08.11
IV.CESX.HHE. ML:1.9 0.0005920000000000001 0.34 AML other m 2023-12-12T01:35:08.73
IV.ARRO.EHE. ML:1.8 0.000467 0.6 AML other m 2023-12-12T01:35:08.60
IV.LNSS.HNN. ML:2.2 0.0008494999999999999 0.4 AML other m 2023-12-12T01:35:09.15
IV.LNSS.HHN. ML:2.2 0.0009165 0.4 AML other m 2023-12-12T01:35:09.35
IV.NRCA.HHE. ML:2.0 0.00047750000000000006 0.14 AML other m 2023-12-12T01:35:09.77
IV.LNSS.HHE. ML:2.3 0.001012 0.32 AML other m 2023-12-12T01:35:10.26
IV.LNSS.HNE. ML:2.3 0.0009570000000000001 0.32 AML other m 2023-12-12T01:35:10.26
IV.ASSB.HHE. ML:1.9 0.0003275 0.34 AML other m 2023-12-12T01:35:11.27
IV.ASSB.HHN. ML:1.8 0.0002485 0.2 AML other m 2023-12-12T01:35:11.29
IV.NRCA.HHN. ML:1.9 0.00038 0.5 AML other m 2023-12-12T01:35:12.01
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
Waveforms Seismic signals in miniseed + resp format Download