31:
394:, concrete hollow blocks of the walls in a 5-room PTA building of the Lopez Provincial School collapsed. A three-storey concrete residential building tilted to the north. The facade of the Rosario Catholic Church of Lopez suffered cracks. In Barrio Hondagua, a theater which was converted into a restaurant collapsed completely and a chapel was partially destroyed. The concrete columns of the housings of the conveyor machines of the Philippine Flour Mills buckled down.
406:. At least four highway bridges on the Manila South Road suffered severe damage. A PNR bridge crossing the Calauag River, and about 600 meters north of the highway bridge was badly damaged though it did not collapse. Another PNR bridge in Morato Tagkawayan was slightly moved. Its ties moved eight centimeters to the east, and the base plate of its westerns abutment moved five centimeters to the south.
38:
352:
The earthquake produced an onshore surface rupture 30 km along the
Guinayangan segment of the Philippine Fault. It also caused left-lateral offset on a beach line for approximately 3.2 meters. There were also fissures, one of them being 15 centimeters in width. Two more fissures were found
414:
The agricultural near the epicenter of the quake were mainly coconut plantations. The tremor's effects on the industry were not immediately felt, however after a few months, coconut production was on a down low due to young nuts that were shaken by the earthquake.
382:, the worst hit, 270 houses were partially damaged, and 98 completely destroyed; most of which were poorly built or entirely made of wooden materials. In Barrio Sumulong, also part of Calauag, 70% of school buildings were damaged.
555:
909:
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Yasuda, Hirotake; Bacolcol, Teresito; Daag, Arturo; Bariso, Ericson; Mitiam, Emmanuelle; Marjes, Jaime; Nakata, Takashi (2015).
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with a depth of 33 km (20.5 mi). It was due to the movement of one of the
Philippines' largest fault; the
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642:"Coseismic Displacement and Recurrence Interval of the 1973 Ragay Gulf Earthquake, Southern Luzon, Philippines"
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316:. It killed 14 people, injured 100 others and caused an estimated $ 2 million in damage.
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402:
The earthquake caused damage to all forms of transportation linking to and from
341:
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667:"Geometry and Structure of the Philippine Fault in Ragay Gulf, Southern Luzon"
329:
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145:
683:
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379:
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though with unknown lengths, along the foothills northwest of the
891:
765:
594:"ISC-GEM Global Instrumental Earthquake Catalogue (1900–2009)"
492:"M 5.4 - 27 km NNE of Brgy. Bachaw Norte, Kalibo, Philippines"
324:
The epicenter was located around 17 km east northeast of
875:
indicates earthquake resulting in at least 30 deaths
1047:
966:
925:
361:. Near eastern bank of the Calauag River, multiple
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220:
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174:
137:
129:
113:
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94:
81:
68:
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718:"Deadliest earthquakes that shook the Philippines"
699:"Ragay Gulf earthquakes other geological features"
306:Philippine Institute of Volcanology and Seismology
880:indicates the deadliest earthquake of the year
514:"M 7.0 - 13 km ENE of San Andres, Philippines"
903:
777:
8:
19:
556:"1973 March 17 Ms7.0 Ragay Gulf Earthquake"
910:
896:
888:
784:
770:
762:
18:
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457:National Geophysical Data Center (1973).
289:
259:
119:
742:"NCEI Global Historical Hazard Database"
570:"NCEI Global Historical Hazard Database"
716:Sabillo, Kristine Angeli (2013-10-15).
446:
452:
450:
425:List of earthquakes in the Philippines
357:(PNR) terminal in the municipality of
308:assigned a maximum intensity of VIII (
7:
550:
548:
546:
544:
542:
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459:"Significant Earthquake Information"
283:occurred at around 16:30 local time
314:PHIVOLCS Earthquake Intensity Scale
296:and had a maximum intensity of IX (
37:
14:
1181:1973 disasters in the Philippines
302:Modified Mercalli intensity scale
705:from the original on 2021-08-31.
36:
29:
524:from the original on 2021-08-31
221:
1191:Earthquakes in the Philippines
919:Earthquakes in the Philippines
1:
618:"Today in Earthquake History"
16:Earthquake in the Philippines
671:Journal of Disaster Research
355:Philippine National Railways
348:Surface rupture and fissures
1196:History of the Bicol Region
430:List of earthquakes in 1973
390:In the neighboring town of
1227:
1201:History of Camarines Norte
378:According to PHIVOLCS, in
281:1973 Ragay Gulf earthquake
20:1973 Ragay Gulf earthquake
1186:March 1973 events in Asia
870:
805:
24:
1206:History of Camarines Sur
1176:1973 in the Philippines
684:10.20965/jdr.2015.p0091
435:Philippine Fault system
334:Philippine Fault System
1150:December 2023 Mindanao
1145:November 2023 Mindanao
974:1913 Sulawesi–Mindanao
1115:October 2019 Cotabato
273:15 dead, ~100 injured
1135:2021 Davao Oriental
953:1880 Southern Luzon
796:Earthquakes in 1973
622:earthquake.usgs.gov
518:earthquake.usgs.gov
155: /
64:1973-03-17 08:30:51
21:
1130:2021 Davao del Sur
1120:2019 Davao del Sur
1105:July 2019 Cotabato
1100:2019 Eastern Samar
287:. It measured 7.4
159:13.372°N 122.787°E
1211:History of Quezon
1158:
1157:
885:
884:
746:www.ngdc.noaa.gov
574:www.ngdc.noaa.gov
340:corresponding to
277:
276:
1218:
1171:1973 earthquakes
984:1948 Lady Caycay
979:1918 Celebes Sea
912:
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310:Very Destructive
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232:Very destructive
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179:Philippine Fault
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164:13.372; 122.787
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133:33 km (20.5 mi)
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103:Local time
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1019:1990 Bohol Sea
1016:
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1004:1976 Moro Gulf
1001:
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994:1968 Casiguran
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1085:2017 Batangas
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1060:2010 Mindanao
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958:1897 Mindanao
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863:(4.7, Nov 30)
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857:(5.9, Nov 19)
856:
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838:
836:(7.0, Mar 17)
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832:
830:(5.8, Feb 28)
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821:(7.4, Feb 6)
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1125:2020 Masbate
1110:2019 Batanes
1080:2017 Surigao
1048:21st century
1034:1994 Mindoro
1014:1988 Mindoro
998:
967:20th century
948:1879 Surigao
877:
872:
849:
833:
822:
813:
749:. Retrieved
745:
736:
725:. Retrieved
722:INQUIRER.net
721:
711:
693:
677:(1): 91–98.
674:
670:
660:
649:. Retrieved
646:ResearchGate
645:
636:
625:. Retrieved
621:
612:
601:. Retrieved
597:
588:
577:. Retrieved
573:
564:
526:. Retrieved
517:
508:
496:. Retrieved
486:
474:. Retrieved
462:
413:
404:Bicol Region
401:
389:
377:
351:
323:
309:
297:
280:
278:
243:
231:
213:Total damage
1065:2012 Negros
943:1863 Manila
494:. USGS–ANSS
476:5 September
410:Agriculture
342:strike-slip
254:Aftershocks
230:PEIS VIII (
216:$ 2 million
207:Philippines
189:Strike-Slip
162: /
150:122°47′13″E
72: event
1165:Categories
1140:2022 Luzon
1095:2019 Luzon
1090:2017 Leyte
1075:2013 Bohol
1070:2012 Samar
1039:1999 Luzon
1029:1990 Luzon
1024:1990 Panay
1009:1983 Luzon
989:1955 Lanao
938:1645 Luzon
926:Historical
834:Ragay Gulf
828:Point Mugu
751:2021-08-31
727:2021-08-31
651:2021-08-31
627:2021-08-31
603:2022-09-12
579:2021-09-06
528:2021-08-30
441:References
330:Ragay Gulf
326:San Andres
320:Earthquake
270:Casualties
147:13°22′19″N
61: time
45:Ragay Gulf
861:Knoxville
498:31 August
336:with the
312:) on the
300:) on the
224:intensity
138:Epicenter
114:Magnitude
106:16:30:51
846:Veracruz
840:Hokkaido
703:Archived
522:Archived
465:. NGDC.
419:See also
363:mudboils
285:(UTC +8)
242:MMI IX (
819:Sichuan
374:Calauag
359:Calauag
298:Violent
244:Violent
810:Colima
369:Damage
304:. The
201:, and
199:Quezon
89:ComCat
76:762981
855:Salta
392:Lopez
386:Lopez
175:Fault
130:Depth
82:USGS-
500:2021
478:2021
279:The
257:5.4
222:Max.
185:Type
117:7.4
84:ANSS
679:doi
467:doi
328:in
108:PST
70:ISC
59:UTC
1167::
850:†‡
823:†‡
744:.
720:.
701:.
675:10
673:.
669:.
644:.
620:.
596:.
572:.
537:^
520:.
516:.
461:.
449:^
344:.
205:,
911:e
904:t
897:v
878:‡
873:†
814:†
799:→
793:←
785:e
778:t
771:v
754:.
730:.
687:.
681::
654:.
630:.
606:.
582:.
558:.
531:.
502:.
480:.
469::
292:w
290:M
262:w
260:M
246:)
234:)
122:w
120:M
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