Earthquake with magnitude of ML 2.1 on date 31-03-2023 and time 18:16:17 (Italy) in region 2 km E Ponte dell'Olio (PC)

A magnitude ML 2.1 earthquake occured in region: 2 km E Ponte dell'Olio (PC), on

  • 31-03-2023 16:16:17 (UTC)
  • 31-03-2023 18:16:17 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.8750, 9.6660 at 29 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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
Ponte dell'Olio PC 2 4794 4794
Vigolzone PC 4 4297 9091
Rivergaro PC 7 7005 16096
Gropparello PC 7 2293 18389
Podenzano PC 9 9167 27556
Travo PC 10 2087 29643
San Giorgio Piacentino PC 11 5792 35435
Carpaneto Piacentino PC 11 7715 43150
Bettola PC 12 2828 45978
Gazzola PC 13 2056 48034
Lugagnano Val d'Arda PC 14 4116 52150
Agazzano PC 14 2096 54246
Piozzano PC 15 641 54887
Gossolengo PC 15 5637 60524
Vernasca PC 15 2131 62655
Castell'Arquato PC 16 4713 67368
Pontenure PC 17 6512 73880
Gragnano Trebbiense PC 17 4554 78434
Morfasso PC 17 1024 79458
Cadeo PC 18 6118 85576
Farini PC 19 1290 86866
Piacenza PC 20 102191 189057
Bore PR 20 749 189806

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km S of Piacenza (102191 inhabitants)
40 Km SW of Cremona (71901 inhabitants)
53 Km SE of Pavia (72576 inhabitants)
53 Km W of Parma (192836 inhabitants)
76 Km SE of Milano (1345851 inhabitants)
77 Km NE of Genova (586655 inhabitants)
79 Km W of Reggio nell'Emilia (171345 inhabitants)
80 Km SE of Vigevano (63310 inhabitants)
81 Km SE of Sesto San Giovanni (81608 inhabitants)
83 Km E of Alessandria (93943 inhabitants)
84 Km SE of Cinisello Balsamo (75078 inhabitants)
85 Km SE of Monza (122671 inhabitants)
86 Km SW of Brescia (196480 inhabitants)
86 Km N of La Spezia (93959 inhabitants)
88 Km SE of Rho (50434 inhabitants)
91 Km S of Bergamo (119381 inhabitants)
95 Km NW of Carrara (63133 inhabitants)
97 Km W of Carpi (70699 inhabitants)
99 Km SE of Legnano (60262 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
Bulletin
Rev1000
ML 2.1 2023-03-31
16:16:17
44.8748 9.6658 29 2024-03-01
17:18:10
Bollettino Sismico Italiano INGV 117843211
Reviewed
Rev100
ML 2.1 2023-03-31
16:16:17
44.8773 9.6822 28 2023-03-31
16:35:29
Sala Sismica INGV-Roma 115920571
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-31 16:16:17 ± 0.1
Latitude 44.8748 ± 0.0081
Longitude 9.6658 ± 0.0190
Depth (km) 29 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 117843211

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1521
Semi-minor axis of confidence ellipse (meter) 579
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 291
Circular confidence region, given by single value of horizontal uncertainty (meter) 1520.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 103
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.16548
Epicentral distance of station farthest from the epicenter (degree) 1.46769
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 19
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 26
Type of magnitude ML
Reference to an origin 117843211
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2024-01-04 11:59:49

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 26
Type of magnitude ML
Reference to an origin 115920571
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-03-31 16:35:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MAGA.HHZ. 2023-03-31T16:16:52.44 0.6 undecidable manual S 37 124.986 54 -0.16 42
IV.MDI.HHZ. 2023-03-31T16:16:47.72 0.6 undecidable manual S 2 99.3228 102 1.19 30
IV.SGAL.EHE. 2023-03-31T16:16:45.06 0.6 undecidable manual S 33 91.5417 103 0.57 41
ST.DOSS.HHZ. 2023-03-31T16:16:42.04 0.6 undecidable manual P 46 162.9147 54 -0.26 37
SI.LUSI.HHZ. 2023-03-31T16:16:41.15 0.6 undecidable manual P 39 156.1215 54 -0.31 38
GU.RNCA.HHE. 2023-03-31T16:16:40.14 0.6 undecidable manual S 232 71.9724 107 0.69 41
IV.MABI.HHZ. 2023-03-31T16:16:40.05 1.0 undecidable manual P 26 146.5422 54 -0.22 20
ST.VARA.EHZ. 2023-03-31T16:16:39.60 0.3 undecidable manual P 42 142.6461 54 -0.17 61
ST.RONC.EHZ. 2023-03-31T16:16:39.86 0.6 undecidable manual P 31 143.4453 54 -0.02 42
IV.ROVR.HHZ. 2023-03-31T16:16:39.17 0.6 undecidable manual P 52 139.2606 54 -0.19 41
CH.MUGIO.HHN. 2023-03-31T16:16:37.36 0.3 undecidable manual P 338 125.874 54 -0.34 62
IV.BAG8.EHZ. 2023-03-31T16:16:37.40 0.1 undecidable manual P 30 122.2887 54 0.15 86
IV.MAGA.HHZ. 2023-03-31T16:16:37.28 0.3 undecidable manual P 37 124.986 54 -0.3 62
IV.MDI.HHZ. 2023-03-31T16:16:34.02 0.3 undecidable manual P 2 99.3228 102 -0.05 70
GU.SARM.EHN. 2023-03-31T16:16:34.79 1.0 undecidable manual P 143 96.2259 102 1.19 16
GU.EQUI.HHN. 2023-03-31T16:16:33.10 0.6 undecidable manual P 154 87.5457 104 0.8 39
IV.SGAL.EHE. 2023-03-31T16:16:33.15 0.3 undecidable manual P 33 91.5417 103 0.25 67
IV.MERA.HNE. 2023-03-31T16:16:33.72 0.3 undecidable manual P 349 93.9393 103 0.46 64
GU.GORR.HHZ. 2023-03-31T16:16:31.90 0.6 undecidable manual S 225 41.8248 120 -0.11 51
GU.RNCA.HHE. 2023-03-31T16:16:30.56 0.6 undecidable manual P 232 71.9724 107 0.57 43
IV.PCN.EHZ. 2023-03-31T16:16:27.12 0.3 undecidable manual S 15 18.3705 145 -0.16 79
IV.BOB.HHZ. 2023-03-31T16:16:27.78 0.6 undecidable manual S 235 20.868 141 0.1 52
GU.GRAM.HHZ. 2023-03-31T16:16:27.47 0.6 undecidable manual P 143 53.0025 113 0.23 49
GU.GORR.HHZ. 2023-03-31T16:16:25.44 0.3 undecidable manual P 225 41.8248 120 -0.25 74
IV.BOB.HHZ. 2023-03-31T16:16:22.83 0.1 negative manual P 235 20.868 141 -0.36 100
IV.PCN.EHZ. 2023-03-31T16:16:22.15 0.1 positive manual P 15 18.3705 145 -0.81 87
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PCN.HNN. ML:2.7 0.0023899999999999998 0.6 AML other m 2023-03-31T16:16:27.24
IV.PCN.EHN. ML:2.8 0.0024850000000000002 0.38 AML other m 2023-03-31T16:16:27.25
IV.PCN.HNE. ML:2.2 0.0007455000000000001 0.3 AML other m 2023-03-31T16:16:27.47
IV.PCN.EHE. ML:2.2 0.0007019999999999999 0.3 AML other m 2023-03-31T16:16:27.48
IV.BOB.HNE. ML:1.8 0.00027565455 0.256 AML other m 2023-03-31T16:16:27.87
IV.BOB.HHE. ML:1.9 0.000309 1.22 AML other m 2023-03-31T16:16:28.87
IV.BOB.HHN. ML:1.8 0.00025 1.22 AML other m 2023-03-31T16:16:28.29
IV.BOB.HNN. ML:1.7 0.0002158901 0.3456 AML other m 2023-03-31T16:16:28.29
GU.GORR.HHE. ML:1.6 0.00009445 0.18 AML other m 2023-03-31T16:16:33.79
GU.GORR.HHN. ML:1.5 0.00008565000000000001 0.5 AML other m 2023-03-31T16:16:34.63
IV.MDI.HHN. ML:2.3 0.0001725 0.26 AML other m 2023-03-31T16:16:48.58
IV.MDI.HHE. ML:2.4 0.00023899999999999998 1.78 AML other m 2023-03-31T16:16:48.04
IV.BAG8.EHN. ML:2.4 0.0001595 0.16 AML other m 2023-03-31T16:16:53.71
IV.BAG8.EHE. ML:2.3 0.000151 0.5 AML other m 2023-03-31T16:16:54.07
IV.MAGA.HHN. ML:2.2 0.00011350000000000001 0.74 AML other m 2023-03-31T16:16:55.04
IV.ROVR.HHN. ML:2.4 0.000123 0.36 AML other m 2023-03-31T16:16:56.80
IV.MAGA.HHE. ML:2.6 0.000246 0.48 AML other m 2023-03-31T16:16:57.50
IV.ROVR.HHE. ML:2.0 0.000048100000000000004 0.72 AML other m 2023-03-31T16:16:57.41
IV.MABI.HHE. ML:1.7 0.000027035 0.56 AML other m 2023-03-31T16:16:57.99
ST.RONC.EHE. ML:2.2 0.0000737 1.02 AML other m 2023-03-31T16:16:58.85
IV.MABI.HHN. ML:1.8 0.00002775 1.56 AML other m 2023-03-31T16:16:59.86
ST.VARA.EHN. ML:2.3 0.00009850000000000001 1.1 AML other m 2023-03-31T16:16:59.37
ST.RONC.EHN. ML:2.2 0.00009285 0.58 AML other m 2023-03-31T16:17:00.51
ST.VARA.EHE. ML:2.4 0.0001205 0.24 AML other m 2023-03-31T16:17:00.50
SI.LUSI.HHN. ML:2.2 0.00007325 1.4 AML other m 2023-03-31T16:17:03.22
SI.LUSI.HHE. ML:2.0 0.000047350000000000006 0.62 AML other m 2023-03-31T16:17:04.60
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