Earthquake with magnitude of ML 1.5 on date 22-05-2018 and time 09:25:56 (Italy) in region 5 km E Civitella Paganico (GR)

A magnitude ML 1.5 earthquake occured in region: 5 km E Civitella Paganico (GR), on

  • 22-05-2018 07:25:56 (UTC)
  • 22-05-2018 09:25:56 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0130, 11.3430 at 10 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
Civitella Paganico GR 5 3154 3154
Montalcino SI 13 5093 8247
Cinigiano GR 14 2618 10865
Roccastrada GR 14 9199 20064
Campagnatico GR 15 2412 22476
Murlo SI 18 2389 24865
Buonconvento SI 18 3173 28038
Monticiano SI 19 1571 29609
Seggiano GR 20 961 30570

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km NE of Grosseto (82087 inhabitants)
34 Km S of Siena (53903 inhabitants)
67 Km SW of Arezzo (99543 inhabitants)
84 Km S of Scandicci (50609 inhabitants)
85 Km S of Firenze (382808 inhabitants)
86 Km W of Perugia (166134 inhabitants)
91 Km NW of Viterbo (67173 inhabitants)
99 Km S of Prato (191150 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 1.5 2018-05-22
07:25:56
43.0132 11.3432 10 2019-04-24
14:51:11
Bollettino Sismico Italiano INGV 66555861
Reviewed
Rev100
ML 1.4 2018-05-22
07:25:56
43.0172 11.3503 8 2018-05-22
07:51:03
Sala Sismica INGV-Roma 57114661
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-05-22 07:25:56 ± 0.11
Latitude 43.0132 ± 0.0063
Longitude 11.3432 ± 0.0086
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 66555861

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 772
Semi-minor axis of confidence ellipse (meter) 440
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 231
Circular confidence region, given by single value of horizontal uncertainty (meter) 770.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 125
Number of associated phases, regardless of their use for origin computation 39
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.51531
Number of stations at which the event was observed 26
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 17
Type of magnitude ML
Reference to an origin 66555861
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-03-15 14:03:43

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 17
Type of magnitude ML
Reference to an origin 57114661
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-05-22 07:51:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.BRES.EHZ. 2018-05-22T07:27:52.50 3.0 undecidable manual Sg 15.02 0
IV.CAPR.HNZ. 2018-05-22T07:27:26.29 3.0 undecidable manual Sg 10.3 0
IV.QLNO.HHZ. 2018-05-22T07:27:15.98 3.0 undecidable manual Sg 6.49 0
CR.ZAG.BHZ. 2018-05-22T07:27:10.92 3.0 undecidable manual Pn 8.78 0
IV.VAGA.HHZ. 2018-05-22T07:27:10.06 3.0 undecidable manual Sn -2.39 0
FR.AJAC.HHZ.00 2018-05-22T07:27:01.85 3.0 undecidable manual Sn 0.72 0
IV.OVO.HHZ. 2018-05-22T07:26:56.65 3.0 undecidable manual Pg 10.97 0
IV.FIAM.HHZ. 2018-05-22T07:26:43.52 3.0 undecidable manual S -0.31 0
IV.BLLA.EHZ. 2018-05-22T07:26:42.09 3.0 undecidable manual S 0.92 0
IV.CSP1.EHZ. 2018-05-22T07:26:22.86 3.0 undecidable manual P 1.79 0
IV.FDMO.HHZ. 2018-05-22T07:26:21.53 3.0 undecidable manual P 1.66 0
IV.SAMA.HHZ. 2018-05-22T07:26:21.78 3.0 positive manual P -1.74 0
IV.SEF1.HNZ. 2018-05-22T07:26:18.25 3.0 undecidable manual P -0.3 0
IV.OSSC.HHZ. 2018-05-22T07:26:14.21 1.0 undecidable manual S 352 57.1983 50 0.15 24
IV.CSNT.HHZ. 2018-05-22T07:26:12.16 0.6 undecidable manual S 355 51.2154 50 -0.31 45
IV.CASP.HHZ. 2018-05-22T07:26:10.96 0.6 undecidable manual S 238 46.0206 50 -0.13 47
IV.MCIV.HHZ. 2018-05-22T07:26:09.07 0.6 undecidable manual S 134 37.5291 50 0.24 48
IV.TRIF.HHE. 2018-05-22T07:26:08.17 0.6 undecidable manual S 288 37.4292 50 -0.63 41
IV.OSSC.HHZ. 2018-05-22T07:26:07.06 1.0 positive manual P 352 57.1983 50 0.59 21
TV.SF04.EHZ. 2018-05-22T07:26:07.42 0.6 undecidable manual S 127 32.4453 50 -0.04 50
TV.SF03.EHE. 2018-05-22T07:26:07.57 0.6 undecidable manual S 130 36.3414 50 -0.93 37
TV.SF11.HHN. 2018-05-22T07:26:06.44 1.0 undecidable manual S 120 31.6461 50 -0.81 20
TV.SF13.HHZ. 2018-05-22T07:26:06.17 0.6 undecidable manual S 134 31.1466 50 -0.95 37
TV.SF01.EHZ. 2018-05-22T07:26:06.22 0.3 undecidable manual S 141 28.6491 50 -0.22 72
IV.CSNT.HHZ. 2018-05-22T07:26:05.81 0.6 positive manual P 355 51.2154 50 0.26 46
IV.RIBO.EHZ.01 2018-05-22T07:26:05.09 0.3 undecidable manual S 254 25.0527 112 -0.38 71
IV.FROS.HHZ. 2018-05-22T07:26:05.24 0.3 undecidable manual S 325 26.5512 50 -0.65 64
IV.CASP.HHZ. 2018-05-22T07:26:05.39 0.6 undecidable manual P 238 46.0206 50 0.64 42
IV.ARCI.HHZ. 2018-05-22T07:26:03.70 0.6 undecidable manual S 149 20.868 116 -0.42 48
TV.SF03.EHE. 2018-05-22T07:26:03.44 0.1 undecidable manual P 130 36.3414 50 0.18 96
IV.MCIV.HHZ. 2018-05-22T07:26:03.65 0.1 undecidable manual P 134 37.5291 50 0.2 96
IV.TRIF.HHE. 2018-05-22T07:26:03.96 0.6 undecidable manual P 288 37.4292 50 0.53 45
TV.SF01.EHZ. 2018-05-22T07:26:02.17 0.3 undecidable manual P 141 28.6491 50 0.1 74
TV.SF11.HHN. 2018-05-22T07:26:02.66 0.1 undecidable manual P 120 31.6461 50 0.12 98
TV.SF13.HHZ. 2018-05-22T07:26:02.69 0.1 undecidable manual P 134 31.1466 50 0.22 96
TV.SF04.EHZ. 2018-05-22T07:26:02.89 0.1 undecidable manual P 127 32.4453 50 0.23 96
IV.RIBO.EHZ.01 2018-05-22T07:26:01.89 0.1 positive manual P 254 25.0527 112 0.38 94
IV.FROS.HHZ. 2018-05-22T07:26:01.90 0.1 undecidable manual P 325 26.5512 50 0.15 98
IV.ARCI.HHZ. 2018-05-22T07:26:00.79 0.1 undecidable manual P 149 20.868 116 0.06 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RIBO.EHE.01 ML:1.8 0.00033115434999999996 0.1184 AML other m 2018-05-22T07:26:05.84
IV.FROS.HHE. ML:1.8 0.00039609915 0.272 AML other m 2018-05-22T07:26:06.30
IV.FROS.HHN. ML:1.7 0.0002593341 0.176 AML other m 2018-05-22T07:26:06.87
IV.ARCI.HHN. ML:1.5 0.0002041072 0.4192 AML other m 2018-05-22T07:26:07.26
TV.SF01.EHE. ML:1.5 0.00015158193 0.16 AML other m 2018-05-22T07:26:07.26
IV.ARCI.HHE. ML:1.5 0.00020269065 0.2816 AML other m 2018-05-22T07:26:07.41
TV.SF01.EHN. ML:1.5 0.00017249890000000002 0.32 AML other m 2018-05-22T07:26:07.63
TV.SF04.EHN. ML:1.8 0.0002706669 0.1792 AML other m 2018-05-22T07:26:08.27
TV.SF04.EHE. ML:1.8 0.00026844754999999997 0.2368 AML other m 2018-05-22T07:26:08.74
IV.MCIV.HHN. ML:1.4 0.000083907765 0.128 AML other m 2018-05-22T07:26:09.47
IV.MCIV.HHE. ML:1.3 0.00008048819999999999 0.112 AML other m 2018-05-22T07:26:09.74
IV.CASP.HHN. ML:1.1 0.00003647435 1.1392 AML other m 2018-05-22T07:26:12.75
IV.CASP.HHE. ML:1.0 0.000032397620000000004 0.1408 AML other m 2018-05-22T07:26:13.47
IV.CSNT.HHN. ML:0.8 0.000016493029999999998 0.2976 AML other m 2018-05-22T07:26:13.56
IV.OSSC.HNE. ML:1.7 0.00010505785000000001 0.6688 AML other m 2018-05-22T07:26:17.23
IV.CSNT.HHE. ML:0.8 0.000013482364999999999 0.2592 AML other m 2018-05-22T07:26:18.14
IV.OSSC.HHN. ML:0.8 0.00001567721 0.7008 AML other m 2018-05-22T07:26:19.44
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